Fish Population Assessments of Ceded Territory Lakes in
Wisconsin, Michigan and Minnesota During 2013
by
Mark Luehring
Inland Fisheries Biologist
Joseph D. Rose
Inland Fisheries Section Leader
Administrative Report 15-2
January 2015
Great Lakes Indian Fish and Wildlife Commission
P. O. Box 9
Odanah, WI 54861
(715) 682 - 6619
www.glifwc.org
Abstract
The Inland Fisheries Section of the Great Lakes Indian Fish and Wildlife Commission
(GLIFWC) conducted fishery assessment surveys of ceded territory lakes in northern Wisconsin,
Minnesota, and the upper peninsula of Michigan. Assessment crews from the U.S. Fish and
Wildlife Service, Fond du Lac, Sokaogon (Mole Lake), and St. Croix Bands assisted with spring
and fall surveys. An assessment crew from the Bad River Band assisted with fall surveys.
In the spring, adult walleye (Sander vitreus) population estimates were conducted on 18
Wisconsin lakes. A total of 18,659 walleye were sampled from 14,030 acres of water during
these surveys. All but two of the lakes surveyed had naturally reproducing walleye populations,
and density of adult walleye averaged 3.94 (SD = 2.64, range: 0.28 to 11.95) fish per acre. In 13
of these 18 lakes, adult walleye population densities were at least 3.0 fish per acre, indicating
that walleye populations were healthy.
On Mille Lacs Lake, Minnesota, assessment crews from GLIFWC and Fond du Lac Band
conducted a cooperative spring adult walleye survey with MNDNR in which 10,721 walleye
were caught.
During the fall, electrofishing surveys were conducted on 99 lakes in Wisconsin, 7 lakes
in Michigan, and 2 lakes in Minnesota to determine year class strength of age 0 (young of the
year) and age 1 (yearling) walleye. In Wisconsin, a total of 16,424 age 0 and 8,355 age 1
walleye were sampled. In addition, 972 gamefish including muskellunge (Esox masquinongy),
northern pike (Esox lucius), largemouth bass (Micropterus salmoides) and smallmouth bass (M.
dolomieui) were sampled. In Michigan, a total of 793 age 0 and 802 age 1 walleye were sampled
during the fall. In Minnesota a total of 1,338 age 0 and 39 age 1 walleye were sampled.
1
Contents
Page
Acknowledgments..................................................................................................
3
Introduction............................................................................................................
4
Methods
Spring Adult Walleye Population Estimates................................................
4
Fall Recruitment Surveys............................................................................
5
Results and Discussion
Spring Adult Walleye Population Estimates................................................
7
Fall Recruitment Surveys............................................................................
8
References...............................................................................................................
9
Appendices
A. Spring Survey Data..............................................................................
10
B. Fall Recruitment Survey Data............................................................... 25
2
Acknowledgments
The authors thank fisheries technicians Butch Mieloszyk and Ed White for their
assistance in selecting lakes, conducting field work, providing boat maintenance, supervising
crews during spring and fall survey seasons, and aging walleye structures (spines, scales, and
otoliths). Fisheries aides Kris Arbuckle, Noah Arbuckle, Jerome Cross, Caine Heffner, Tom
Houle, Joshua Johnson, David Moore, Rick Nelis, David Parisien, Jim Parisien Jr., Ron Parisien
Jr., Louis Plucinski, Sam Plucinski, Martin Powless, Sam Quagon, Bill Soulier, Dennis Soulier,
and Joseph Wilmer are thanked for operating shocking equipment, sampling fish, and
maintaining boats and equipment under demanding conditions. Kia White, Database Manager, is
thanked for entering fall survey data. Thanks also to Bad River, Fond du Lac, Sokaogon (Mole
Lake), St. Croix, and U.S. Fish and Wildlife Service personnel for their efforts, and to Neil
Kmiecik, Biological Services Director, for editing the manuscript.
3
Introduction
Fishery assessment surveys of ceded territory lakes were conducted during spring and fall
of 2013 by the Great Lakes Indian Fish and Wildlife Commission (GLIFWC) to improve
understanding of spatial and temporal variability of walleye populations in ceded territory waters
of northern Wisconsin, Michigan, and Minnesota. These studies add to an extensive body of
information describing ceded territory walleye populations and associated biological parameters.
They provide data needed to update recruitment codes, set harvest quotas, and monitor the
impacts of a combined tribal and sport fishery on the walleye resource.
Since 1989, a Memorandum of Understanding has been in effect between the U.S. Fish
and Wildlife Service (USFWS) and GLIFWC. Under the 2013 agreement, USFWS provided
technical support and equipment during spring and fall surveys. The St. Croix Chippewa
Assessment Unit was initially equipped and funded in 1990 to conduct surveys; assistance in
subsequent years has continued through a subcontract with GLIFWC. The Sokaogon (Mole
Lake) Band assisted with the spring and fall surveys through a subcontract with GLIFWC. The
Bad River Band assisted with the fall surveys through a subcontract with GLIFWC. The Fond
du Lac Band assisted with spring and fall surveys at Mille Lacs Lake, MN.
Methods
Spring Adult Walleye Population Estimates
Current information on adult walleye populations was collected from 18 lakes in the
ceded territory of Wisconsin (Figure A1). Of these, 17 lakes had experienced tribal spearing
harvest during the previous year. The survey conducted on Sherman Lake (Vilas Co.,
Wisconsin) was a cooperative effort coordinated between GLIFWC and the Wisconsin
Department of Natural Resources (WDNR). All data from these surveys are reflected in this
report regardless of which agency did the actual collection of fish.
Nine lakes in Wisconsin are GLIFWC long-term study lakes. Large (greater than 500
acres in area) long-term study lakes surveyed in 2013 included Butternut Lake (Forest Co.),
Kentuck Lake (Vilas Co.), Squirrel Lake (Oneida Co.) and Squaw Lake (Vilas Co.). Small (less
than 500 acres in area) long-term study lakes surveyed in 2013 included Siskiwit Lake (Bayfield
Co.), Annabelle Lake (Vilas Co.), Sherman Lake (Vilas Co.), and Bass-Patterson Lake
(Washburn Co.). Long-term study lakes are surveyed annually or biannually to collect trend and
variability information on adult walleye populations. The continuing goal is to use adult
estimates and fall recruitment data from long-term study lakes to develop and assess models for
predicting population size. A joint study between GLIFWC and WDNR was initiated in 2006 on
Sherman Lake to investigate the effects of a 50% exploitation rate on the walleye population.
Mark and recapture data were used to calculate the adult walleye population estimate for
each lake according to the Peterson formula (Chapman’s modification) described in Ricker
(1975). A target number of adult walleye to be marked and recaptured was derived from curves
that were developed by Robson and Regier (1964). These curves required an initial estimate of
population size. This estimate was obtained either from a previous population estimate survey,
or when none existed, from a regression formula estimate for a lake of similar size and
4
recruitment code.
Per agreement between GLIFWC and WDNR biologists, all unknown sex fish less than
15 inches in total length were assumed to be immature fish and excluded from the calculation of
adult population estimates. In lakes where spearing occurred prior to the recapture survey, an
adjustment was made by reducing the marking sample by the number of marked fish speared.
Also, the total number of fish speared before the first recapture run (except for walleye of
unknown sex less than 15 inches) was added to the estimate.
Fish were captured for marking with electrofishing gear soon after ice out in all lakes. In
Jungle Lake (Forest Co.), Kentuck Lake (Vilas Co.), and Sherman Lake (Vilas Co.) walleye
were captured by fyke netting and electrofishing. Six electrofishing boats and crews were used
during the season, including three from GLIFWC, one from USFWS, one from Mole Lake, and
one from St. Croix. All boats in all spring electrofishing surveys conducted during 2013 had an
arrangement of six umbrella dropper anodes and used pulsed DC at 60 pps. Electrofishing
occurred after sunset.
During the marking period, effort was focused on finding and sampling walleye
spawning areas. With this concentrated effort, crews were able to mark the target number of
walleye in one to four nights, depending upon lake size and the number of crews used.
Walleye were measured (total length in inches) and sexed (male, female, or unknown).
Crews were instructed to collect a scale or spine sample from ten male fish per half-inch group
between 11.0 inches and 16.9 inches, and from five fish per half-inch group for males of other
sizes and females. Generally, spines were taken from fish 10 inches and larger, and scales were
taken from smaller fish. Spines and scales were analyzed at a later date for age determination.
On long-term study lakes, fish were tagged with yellow colored individually numbered Floy tags
prior to release. Fish on all other lakes were given a single caudal fin notch. After being tagged
or notched, fish were released away from the capture area, typically near the middle of the lake.
Recapture surveys with electrofishing equipment were conducted one to two nights after
the marking period ended. Surveys covered the entire shoreline of each lake. For each fish
captured, length, sex and mark, if any, were recorded.
A spring adult mark-recapture survey was also conducted on Mille Lacs Lake, Minnesota
in cooperation with MNDNR to estimate the number of walleye great than 14 inches in length.
During the marking period, fyke netting and electrofishing effort was focused on the main
spawning areas. Walleye were measure and sexed. Tags were applied on the spawning grounds
by GLIFWC, Fond du Lac, USFWS, and MNDNR survey crews. Fish were recaptured with
short term (1-2 hour) sets of standardized graded mesh gill nets set throughout the lake from May
23 through June 21, 2013.
Fall Recruitment Surveys
Fall electrofishing surveys were conducted in 108 ceded territory waters including 99
lakes in Wisconsin, 7 lakes in Michigan, and two lakes in Minnesota. Fall surveys were
5
conducted to evaluate recruitment of age 0 (young of the year) and age 1 (yearling) walleye, and
to assess whether recruitment codes were appropriate.
Electrofishing boats sampled lakes four nights per week from September 9 through
October 24. Nine assessment crews were used during the season, including four from GLIFWC,
one from USFWS, and crews from the Bad River, Fond du Lac, Mole Lake, and St. Croix tribes.
The number of boats assigned to each lake was based upon the shoreline length to be surveyed,
and whether the entire shoreline or index station segments would be surveyed. For planning
purposes, it was assumed that one boat was needed for every 5-7 miles of shoreline. Index
stations were sampled on 15 of the larger waters.
The primary objective of these surveys was to assess year class strength of stocked or
naturally reproduced age 0 and age 1 walleye. Larger walleye and other game fish (e.g., bass,
northern pike and muskellunge) were of secondary priority and collected if this effort did not
detract from the collection of juvenile walleye. Panfish and other species were collected as a
third priority. Results of surveys were used to determine whether lake recruitment code changes
were needed. Other uses included trend analysis of important mixed fishery lakes maintained by
natural reproduction, and the development of a regional perspective of annual walleye year class
strength.
Electrofishing began at dusk and continued until the entire shoreline or set of index
stations was sampled. Cases of severe weather were the only exceptions that prevented survey
completion. All fish collected were identified to species and measured (total length in inches).
For walleye only, a scale sample was collected from five fish per half-inch group between 5.5
and 12.0 inches to determine the length range and numbers of age 0 and age 1 walleye.
Protocols were adopted by GLIFWC in the fall of 2004 to reduce the likelihood of
spreading aquatic invasive species. All equipment coming in contact with water was checked
visually for aquatic invasive species each night before entering the water and again after leaving
the water. Boats and trailers were bleached, pressure-washed, or steam-cleaned daily. In
addition, crew leaders documented any aquatic invasive species observed, and gathered
information regarding signs posted at boat landings pertaining to these species.
Surveys on the following five Wisconsin lakes were conducted jointly by GLIFWC and
WDNR, and the results summarized and reported by GLIFWC: Upper Eau Claire (Bayfield Co.),
Lake Chetac (Sawyer Co.), Lac Courte Oreilles (Sawyer Co.), Nelson Lake (Sawyer Co.), Lac
Vieux Desert (Vilas Co.), Trout Lake (Vilas Co.), and Long Lake (Washburn Co.). Surveys on
the following four Wisconsin lakes were conducted jointly by GLIFWC and WDNR, and the
results were summarized and reported by WDNR: Red Cedar Lake (Barron Co.), Lake
Nebagamon (Douglas Co.), Pelican Lake (Oneida Co.), and Lost Land Lake, (Sawyer Co.). All
data from these 11 surveys are reflected in this report, regardless of which agency did the actual
collection of fish.
6
Results and Discussion
Spring Adult Walleye Population Estimates
A total of 18,659 walleye were sampled from 14,030 acres of water in Wisconsin during
the spawning adult walleye population estimate period. Adult walleye population estimates for
18 stocks in Wisconsin (Table A1) ranged from 248 to 13,441 fish. Estimated population
densities ranged from 0.28 per acre for Franklin Lake, Forest Co., to 11.95 walleye per acre for
Harris Lake, Vilas Co. (mean = 3.94, SD = 2.64) (Figure A2).
The Report on Biological Issues (1988) listed several indicators of healthy naturally
reproducing walleye stocks agreed to by state and tribal biologists. Two indicators included: a)
population density of three adult walleye per acre; and, b) the presence of five year classes of
females in a sample, or three year classes in a sample of 100 females that each contribute at least
15 percent of the sample.
Fourteen of the 18 lakes surveyed had recruitment codes of NR (Table A1), indicating
that natural reproduction was the only source of recruitment. Two lakes had recruitment codes
of C-NR, indicating that some stocking occurred even though the population was sustained by
natural reproduction. Two of the lakes had a recruitment code of C-ST, indicating that some
natural reproduction occurred even though the population was sustained by stocking. Thirteen of
these 18 lakes had walleye densities of greater than 3.0 per acre.
Male-to-female sex ratios (Table A1) were skewed in favor of males in all lakes surveyed
except for Kentuck Lake (Vilas Co.). The reliability of these values is questionable in some
lakes, however. Electrofishing may bias sampling in favor of males (Shively and Kmiecik 1991)
because males spend more time in shallow water than females during the spawning period
(Colby et al. 1979), and many females are out of effective capture range except during or after
spawning.
A total of 1,587 female, 16,426 male, and 646 unknown sex walleye were measured
(Figure A3, Table A2) and a subsample aged (Figure A4). Female lengths ranged from 10.0 to
30.5 inches, male lengths ranged from 7.0 to 26.5 inches, and lengths for walleye of unknown
sex ranged from 9.0 to 25.0 inches. Age-length tables were developed for subsets of female,
male, and unknown sex walleye in each of the lakes sampled (Tables A3 – A20). Aging
structures for Sherman Lake (Vilas Co.) were collected and read by WDNR. These age-length
tables by themselves are not necessarily representative of the size and age structure of the
population, since spines for aging were collected according to a stratified sampling scheme.
However, age-length tables reflective of the population can be developed when coupled with
length-frequency data from the population estimates. Also, the age-length tables should be
sufficient to detect the presence or absence of year classes. Regarding the second population
health criterion, 17 of the 18 lakes had populations with at least five year classes of females in
the aging sample.
7
Fall Recruitment Surveys
Fall recruitment surveys were conducted on 108 lakes in the ceded territories of
Wisconsin, Michigan and Minnesota (Figure B1, Table B2). Survey effort included 443.6 hours
of electrofishing along 1,051.8 miles of shoreline resulting in the collection of 34,730 walleye.
From 99 surveys conducted on 99 lakes in Wisconsin, 375.5 hours of electrofishing along
888.9 miles of shoreline resulted in a collection of 31,237 walleye. In Michigan, 7 lakes were
surveyed in 35.7 hours along 82.3 miles of shoreline, resulting in the collection of 2,080 walleye.
In Minnesota, 1,413 walleye were collected in 32.4 hours along 80.6 miles of shoreline (Table
B2).
A total of 16,424 age 0 walleye were caught in Wisconsin. Age 0 walleye were caught in
82 of the 99 lakes surveyed. Over all 99 surveys, catch per effort (CPE) for age 0 walleye
ranged from 0.0 to 184.3 (mean = 22.1, median = 4.8, SD = 37.1) per mile. A total of 8,355 age
1 (yearling) walleye were caught in 84 of the 99 lakes surveyed. Over all surveys, age 1 CPE
ranged from 0.0 to 65.2 (mean = 10.4, median = 5.2, SD = 12.8) yearlings per mile.
In order to gauge the relative strength of the 2013 and 2012 walleye year classes
monitored in the 2013 fall surveys as age 0 and age 1 fish, plots of mean and median CPE values
were generated for each year from 1986 through 2013 for all Wisconsin lakes with recruitment
codes of NR or C-NR with at least 75% of the shoreline surveyed, including lakes surveyed by
WDNR and including CPEs of 0.0 (Figures B2 and B3). For 1986 through 2013, the averages of
the yearly mean and median age 0 CPEs are 30.8 and 16.4 per mile, respectively, and the
averages of the yearly mean and median age 1 CPEs are 10.1 and 5.5 per mile, respectively. For
2013, the mean and median age 0 CPEs were 21.3 and 4.8, respectively, and the mean and
median age 1 CPEs were 9.2 and 4.2, respectively.
In Michigan, 793 age 0 walleye were caught. Age 0 walleye were caught in 6 of the 7
lakes surveyed. Age 0 CPE ranged from 0.0 to 103.8 (mean = 18.8, median = 8.3, SD = 37.7)
per mile. A total of 802 age 1 walleye were caught in 5 lakes. Age 1 CPE ranged from 0.0 to
35.9 (mean = 12.3, median = 7.5, SD = 14.4) yearlings per mile.
In Minnesota, 1,338 age 0 and 39 age 1 walleye were caught in Mille Lacs Lake, yielding
CPEs of 17.2 and 0.5 per mile, respectively. Length frequencies from the survey on Mille Lacs
Lake are shown in Figure B4, and results from all fall recruitment surveys conducted by
GLIFWC on Mille Lacs Lake are shown in Figure B5. Knomachers Lake was also surveyed
since it experienced a partial winterkill in 2012-2013. No age 0 or age 1 walleye were caught in
Knomachers Lake.
Table B2 includes summaries of gamefish including muskellunge, northern pike,
largemouth bass, and smallmouth bass. Various panfish and rough fish species were also
collected but their numbers are not reported here. Summary statistics for NR and C-NR lakes, CST lakes, and O-ST lakes in Wisconsin, Michigan and Minnesota are given in Table B3.
Statistics include the average CPE, the standard deviation, the number of lakes, and the range of
8
CPE values for all lakes and for lakes where a year class was detected. Data were plotted for
each recruitment code in Figures B6 and B7.
References
Colby, P. J., R. E. McNicol, and R. A. Ryer. 1979. Synopsis of biological data on walleye
(Stizostedion v. vitreum, Mitchell 1818). Food and Agricultural Organization of the
United Nations, Rome.
Drake, M. T. 2009. Mille Lacs Safe Harvest Estimation for the 2008 Fishing Season. 1837
Ceded Territory Fisheries Committee Meeting. January, 2009.
Report on Biological Issues. 1988. LCO et al. V. State of Wisc. August, 1988.
Ricker, W.E. 1975. Computation and interpretation of biological statistics of fish populations.
Bulletin of the Fisheries Research Board of Canada. 382 pp.
Robson, D.S. and H.A. Regier. 1964. Sample size in Peterson mark-recapture experiments.
Transactions of the American Fisheries Society 93: 215-226.
Shively, J.D. and N. Kmiecik. 1991. Fish population assessment of ceded territory lakes in
Wisconsin during 1990. Great Lakes Indian Fish and Wildlife Commission
Administrative Report 91-2. Odanah, WI.
9
Appendix A: Spring Survey Data
Figure
A1.
Page
Ceded territory in Wisconsin, Michigan, and Minnesota with the number
of lakes per county where spring adult walleye population estimates were
conducted by GLIFWC during 2013
12
A2.
Estimated Adult Walleye Densities by Recruitment Code, Spring 2013
13
A3.
Length Frequency of Adult Walleye Marked,
Adult Walleye Population Estimates, Spring 2013
14
Age Frequency of Adult Walleye Aged,
Adult Walleye Population Estimates, Spring 2013
14
A4.
Table
Page
A1.
Spring 2013 Adult Population Estimates Conducted by GLIFWC
15
A2.
Lengths of Walleye Collected During Spring 2013 Adult Population Estimates
15
A3.
Number of Walleye Aged by Sex and Length From Spring 2013
Adult Population Estimate: Siskiwit Lake, Bayfield County, Wisconsin
16
Number of Walleye Aged by Sex and Length From Spring 2013
Adult Population Estimate: Butternut Lake, Forest County, Wisconsin
16
Number of Walleye Aged by Sex and Length From Spring 2013
Adult Population Estimate: Franklin Lake, Forest County, Wisconsin
17
Number of Walleye Aged by Sex and Length From Spring 2013
Adult Population Estimate: Jungle Lake, Forest County, Wisconsin
17
Number of Walleye Aged by Sex and Length From Spring 2013
Adult Population Estimate: Squirrel Lake, Oneida County, Wisconsin
18
Number of Walleye Aged by Sex and Length From Spring 2013
Adult Population Estimate: Annabelle Lake, Vilas County, Wisconsin
18
Number of Walleye Aged by Sex and Length From Spring 2013
Adult Population Estimate: Big Lake (Boulder Jct), Vilas County, Wisconsin
19
Number of Walleye Aged by Sex and Length From Spring 2013
Adult Population Estimate: Big Muskellunge Lake, Vilas County, Wisconsin
19
A4.
A5.
A6.
A7.
A8.
A9.
A10.
10
A11.
A12.
A13.
A14.
A15.
A16.
A17.
A18.
A19.
A20.
Number of Walleye Aged by Sex and Length From Spring 2013
Adult Population Estimate: Boulder Lake, Vilas County, Wisconsin
20
Number of Walleye Aged by Sex and Length From Spring 2013
Adult Population Estimate: Forest Lake, Vilas County, Wisconsin
20
Number of Walleye Aged by Sex and Length From Spring 2013
Adult Population Estimate: Harris Lake, Vilas County, Wisconsin
21
Number of Walleye Aged by Sex and Length From Spring 2013
Adult Population Estimate: Kentuck Lake, Vilas County, Wisconsin
21
Number of Walleye Aged by Sex and Length From Spring 2013
Adult Population Estimate: Little Arbor Vitae Lake, Vilas County, Wisconsin
22
Number of Walleye Aged by Sex and Length From Spring 2013
Adult Population Estimate: Sherman Lake, Vilas County, Wisconsin
22
Number of Walleye Aged by Sex and Length From Spring 2013
Adult Population Estimate: Squaw Lake, Vilas County, Wisconsin
23
Number of Walleye Aged by Sex and Length From Spring 2013
Adult Population Estimate: Twin Lake Chain, Vilas County, Wisconsin
23
Number of Walleye Aged by Sex and Length From Spring 2013
Adult Population Estimate: Bass-Patterson Lake, Washburn County, Wisconsin
24
Number of Walleye Aged by Sex and Length From Spring 2013
Adult Population Estimate: Middle Mckenzie Lake, Washburn County, Wisconsin24
11
A - Bad River
B - Bay Mills (not depicted)
C - Fond du Lac
D - Keweenaw Bay
E - Lac Courte Oreilles
F - Lac du Flambeau
G - Lac Vieux Desert
H - Mille Lacs
I - Mole Lake
J - Red Cliff
K - St. Croix
®
J
C
1
Bayfield
D
A
E
H
K
2
Washburn
F
1
Oneida
11
Vilas
G
3
Forest
I
Figure A1. Ceded Territory in Wisconsin, Michigan, and Minnesota with the number of lakes per county
where spring adult walleye surveys were conducted by GLIFWC during 2013.
0
20
40
80
120
160
Miles
*The ceded territory boundaries and the tribal reservation boundaries
12 are representations and may not be the actual legally binding boundaries.
Figure A2. Estimated Adult Walleye Densities by Recruitment Code, Spring 2013
12
HARRIS L
11
10
Estimated Walleye Density per Acre
9
8
7
BASS-PATTERSON L
6
ANNABELLE L
BIG MUSKELLUNGE L
5
SHERMAN L
4
3
TWIN L CHAIN
BOULDER L
BIG L (BLDR JCT)
FOREST L
JUNGLE L
KENTUCK L
SQUAW L
BUTTERNUT L
SISKIWIT L
SQUIRREL L
2
LITTLE ARBOR VITAE L
1
FRANKLIN L MIDDLE MCKENZIE L
0
0.5
C-NR
NR
Recruitment Code
13
C-ST
3.5
Length Frequency of Adult Walleye Marked
Figure A3
Adult Walleye Population Estimates, Spring 2013
3,500
Unknown
3,000
Male
Female
Number of Walleye
2,500
2,000
1,500
1,000
500
0
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Inch Group
Age Frequency of Adult Walleye Aged
Figure A4
Adult Walleye Population Estimates, Spring 2013
700
Unknown
Male
8
9
Female
600
Number of Walleye
500
400
300
200
100
0
2
3
4
5
6
Age
14
7
10+
Table A1. Spring 2013 Adult Population Estimates Conducted by GLIFWC
State
WI
WI
WI
WI
WI
WI
WI
WI
WI
WI
WI
WI
WI
WI
WI
WI
WI
WI
County
BAYFIELD
FOREST
FOREST
FOREST
ONEIDA
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
WASHBURN
WASHBURN
Lake
SISKIWIT L
BUTTERNUT L
FRANKLIN L
JUNGLE L
SQUIRREL L
ANNABELLE L
BIG L (BOULDER JCT)
BIG MUSKELLUNGE L
BOULDER L
FOREST L
HARRIS L
KENTUCK L
LITTLE ARBOR VITAE L
SHERMAN L
SQUAW L
TWIN L CHAIN
BASS-PATTERSON L
MIDDLE MCKENZIE L
Surface
2013
Coefficient
Area
Walleye Population
of
(Acres)
Code
Estimate Density Variation (%)
330
NR
886
2.68
16.18
1,292
C-NR
4,475
3.46
8.41
892
C-NR
248
0.28
27.27
177
NR
622
3.51
8.03
1,317
NR
3,445
2.62
10.43
213
NR
1,272
5.97
19.09
835
NR
2,927
3.51
7.89
930
NR
5,396
5.80
10.86
524
NR
2,028
3.87
5.16
466
NR
1,513
3.25
6.49
507
NR
6,060
11.95
19.81
957
NR
3,103
3.24
43.90
534
C-ST
751
1.41
24.98
123
NR
634
5.15
6.66
785
NR
2,397
3.05
5.15
3,430
NR
13,441
3.92
4.79
188
NR
1,268
6.74
5.91
530
C-ST
282
0.53
36.34
Marking Recapture Fin clip
Gear*
Gear*
applied**
E
E
YF
E
E
YF
E
E
TCN
E/F
E
TCN
E
E
YF
E
E
YF
E
E
BCN
E
E
BCN
E
E
BCN
E
E
BCN
E
E
BCN
E/F
E
YF
E
E
BCN
E/F
E
YF
E
E
YF
E
E
BCN
E
E
YF
E
E
BCN
Male:
female
sex ratio***
8:1
8:1
2:1
5:1
12:1
4:1
8:1
26:1
12:1
6:1
11:1
1:1
4:1
17:1
12:1
15:1
38:1
128:1
*Gear used: E = electrofishing, F = fyke netting
** BCN=bottom caudal notch, TCN = top caudal notch, YF = numbered yellow floy tag
***Sex ratio is calculated for walleye sampled during marking and recapture runs but excludes recaptured fish
Table A2. Lengths of Walleye Collected During Spring 2013 Adult Walleye Population Estimates
STATE
WI
WI
WI
WI
WI
WI
WI
WI
WI
WI
WI
WI
WI
WI
WI
WI
WI
WI
COUNTY
LAKE
BAYFIELD
SISKIWIT L
FOREST
BUTTERNUT L
FOREST
FRANKLIN L
FOREST
JUNGLE L
ONEIDA
SQUIRREL L
VILAS
ANNABELLE L
VILAS
BIG L (BOULDER JCT)
VILAS
BIG MUSKELLUNGE L
VILAS
BOULDER L
VILAS
FOREST L
VILAS
HARRIS L
VILAS
KENTUCK L
VILAS
LITTLE ARBOR VITAE L
VILAS
SHERMAN L
VILAS
SQUAW L
VILAS
TWIN L CHAIN
WASHBURN BASS-PATTERSON L
WASHBURN MIDDLE MCKENZIE L
OVERALL
NUMBER SAMPLED
FEMALE MALE UNKNOWN TOTAL
35
270
6
311
136
1,126
9
1,271
30
74
21
125
61
322
0
383
104
1,208
83
1,395
71
261
107
439
127
1,025
26
1,178
51
1,342
62
1,455
105
1,238
64
1,407
122
769
43
934
81
863
0
944
203
106
1
310
41
176
13
230
23
389
10
422
93
1,096
28
1,217
261
3,903
47
4,211
19
724
111
854
1
128
6
135
1,587
16,426
646
18,659
FEMALE
MALE
UNKNOWN
MINIMUM MAXIMUM MINIMUM MAXIMUM MINIMUM MAXIMUM
LENGTH
LENGTH LENGTH LENGTH
LENGTH LENGTH
14.0
21.0
10.5
19.0
11.5
15.0
14.0
29.5
12.0
19.5
10.0
13.0
17.5
24.5
11.5
20.5
12.0
22.5
15.0
22.5
11.0
18.0
12.5
24.5
9.5
19.5
10.5
20.5
10.0
27.0
9.0
15.0
9.0
12.5
10.5
21.0
9.0
19.0
10.0
11.0
13.0
25.5
10.5
19.0
10.0
19.5
12.0
28.0
9.0
20.0
10.0
14.5
14.0
27.0
12.5
20.0
9.0
19.0
13.0
27.5
7.0
19.0
16.0
27.0
11.5
20.0
15.0
15.0
15.5
28.0
12.5
24.5
14.0
23.5
11.5
25.5
9.0
16.5
10.0
18.5
11.5
17.0
9.5
16.5
10.0
13.5
11.5
30.5
9.0
19.5
10.0
17.5
14.0
28.5
10.0
20.0
10.0
19.5
25.5
25.5
13.5
26.5
14.0
25.0
10.0
30.5
7.0
26.5
9.0
25.0
15
Number of Walleye Aged by Sex and Length From Spring 2013 Adult Population Estimate
Siskiwit Lake, Bayfield County, Wisconsin
Table A3
INCH
GROUP
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
TOTALS
F
AGE 1
M U
F
AGE 2
M U
F
AGE 3
M U
1
13
4
F
AGE 4
M U
1
6
10
10
1
1
AGE 5
M U
F
AGE 6
M U
F
AGE 7
M U
F
AGE 8
M U
F
AGE 9
M U
AGE 10+
F M U
1
6
9
2 10
1
3
1
1
2
2
2
1
6
5
1
3
3
2
1
1
1
1
2
2
1
1
3
1
1
1
1
1
1
3
1
1
18
1 28
F
2
3 28
2
6 13
1
Number of male year classes: 8
8
5
2
3
5
4
4
TOTAL
M U ALL
2
19
20
20
20
13
10
1
1
2
1 20
1 21
2 22
24
16
14
7
5
1
1
23 106
4 133
1
Number of female year classes: 7
4
3
4
6
4
1
1
Number of Walleye Aged by Sex and Length From Spring 2013 Adult Population Estimate
Butternut Lake, Forest County, Wisconsin
Table A4
INCH
GROUP
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
TOTALS
F
F
AGE 1
M U
F
AGE 2
M U
F
AGE 3
M U
6
7
1
F
AGE 4
M U
F
AGE 5
M U
4
10
9
1
F
AGE 6
M U
3
4
1
1
1
2
2
1
1
2
7
1
1
F
AGE 7
M U
F
AGE 8
M U
F
AGE 9
M U
AGE 10+
F M U
1
1
4
2
3
4
2
2
6
6
6
3
2
1
4
3 10
5
9
4
1
3
1
2
1
2
4
4
5
1
2
1
1
1
1
1 14
Number of female year classes: 7
23
2
8
5 12
16 23
Number of male year classes: 8
16
F
1 19 27
2 16
1
1
2
10
10
8
8
4
1
1
TOTAL
M U ALL
10
21
20
19
23
20
10
3
1
3
46 126
10
1 22
21
21
33
30
18
11
4
1
1
1
1 173
Number of Walleye Aged by Sex and Length From Spring 2013 Adult Population Estimate
Franklin Lake, Forest County, Wisconsin
Table A5
INCH
GROUP
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
TOTALS
F
AGE 1
M U
F
AGE 2
M U
F
AGE 3
M U
F
AGE 4
M U
AGE 5
M U
F
AGE 6
M U
F
AGE 7
M U
F
AGE 8
M U
F
AGE 9
M U
AGE 10+
F M U
2
1
1
2
4
1
3
1
3
5
1
1
1
3
3
5
1
2
1
1
1
1
2
2
2
1
5
3
2
1
4
3
1
2
1
1
1
1
1
1
2
2
4
Number of female year classes: 6
1 13
4
1 14
4
4
Number of male year classes: 7
7
5
5
1
1
5 12
4
3
1
1
2
2
1
3
9
1
F
TOTAL
M U ALL
2
5
6
3
9
11
10
1
1 10
2
5
3
1
9
2
2
2
2
7
2
8
1
4
7 16
2 13
1 11
1
2
11
7
2
6
1 10
2
2
1
1
1
2
1
5
1 19 63 19 101
Number of Walleye Aged by Sex and Length From Spring 2013 Adult Population Estimate
Jungle Lake, Forest County, Wisconsin
Table A6
INCH
GROUP
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
TOTALS
F
F
AGE 1
M U
F
AGE 2
M U
F
AGE 3
M U
18
14
F
AGE 4
M U
3
5
1
32
9
AGE 5
M U
F
AGE 6
M U
F
AGE 7
M U
F
AGE 8
M U
F
AGE 9
M U
AGE 10+
F M U
F
TOTAL
M U ALL
18
14
11
19
18
6
1
1
1
1
Number of female year classes: 5
F
2
1
1
1
1
1
2
2
4
2
2
5
8
3
1
2
3
10 16
Number of male year classes: 7
17
3
3
5 23
2 16
11
24
29
16
7
4
6
9
2
2
1
1
5
2
1
1
2
1
5
11
10
6
16 21
3
8
5
32 87 10 129
1
4
7
4
Number of Walleye Aged by Sex and Length From Spring 2013 Adult Population Estimate
Squirrel Lake, Oneida County, Wisconsin
Table A7
INCH
GROUP
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
TOTALS
F
AGE 1
M U
F
AGE 2
M U
F
AGE 3
M U
1
5
1
F
AGE 4
M U
3
7
1 11
4
7
4
2
AGE 5
M U
1
3
5
2
2
5
6
8
6
1
1
2
F
AGE 6
M U
2
3
2
4
2
5
1
1
3
1
2
8
3
1
1
F
AGE 7
M U
1
1
5
5
5
4
1
1
2
3
9
5
F
AGE 8
M U
2
3
3
2
1
1
1
1
6
6
F
AGE 9
M U
1
2
2
2
1
1
1
AGE 10+
F M U
1
3
1
1
3
1
3
1
2
1
3
2
1
7
9 30
Number of female year classes: 7
13 29
19 20
23 20
Number of male year classes: 8
12 14
9
5
13
5
F
TOTAL
M U ALL
7
20
20
20
21
21
14
3
1
3
7
20
21
27
32
32
30
18
15
10
6
3
1
3
3
98 130
228
1
7
11
11
16
15
14
7
6
3
1
3
3
Number of Walleye Aged by Sex and Length From Spring 2013 Adult Population Estimate
Annabelle Lake, Vilas County, Wisconsin
Table A8
INCH
GROUP
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
TOTALS
F
F
AGE 1
M U
F
AGE 2
M U
F
AGE 3
M U
2 10
1
5
1
1
F
AGE 4
M U
2
4 14
7
3
2
1
1
F
AGE 5
M U
1
2
7 12
10
7
2
2
F
AGE 6
M U
1
2
3
1
3
5
3
1
F
AGE 7
M U
F
AGE 8
M U
F
AGE 9
M U
AGE 10+
F M U
2
6
16
14
9
2
2
1
2
2
1
1
1
1
1
1
1
4 16
Number of female year classes: 8
14 20
20 23
7 12
6
Number of male year classes: 6
18
2
1
1
F
1
1
TOTAL
M U ALL
12
21
18
15
6
2
14
27
34
29
15
4
2
2
2
1
1
54 74
128
Number of Walleye Aged by Sex and Length From Spring 2013 Adult Population Estimate
Big Lake (Boulder Jct), Vilas County, Wisconsin
Table A9
INCH
GROUP
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
TOTALS
F
AGE 1
M U
F
F
AGE 3
M U
1
3
7
7
F
AGE 4
M U
3
6 13
9 17
9
3
1
1
4 14
Number of female year classes: 6
25 37
F
AGE 5
M U
1
4
9
3
5
1
3
17
10
3
1
1
F
AGE 6
M U
F
AGE 7
M U
F
AGE 8
M U
F
AGE 9
M U
AGE 10+
F M U
1
4 10
4
9
3
1
3
1
1
2
4
4
22 36
16 19
12
Number of male year classes: 8
1
5
2
1
9
1
1
1
1
1
1
5
2
2
1
4
1
1
F
1
9
10
14
14
7
9
4
8
6
1
1
TOTAL
M U ALL
10
21
20
20
21
19
5
5
11
30
30
34
35
26
14
9
8
6
1
1
84 121
205
Number of Walleye Aged by Sex and Length From Spring 2013 Adult Population Estimate
Big Muskellunge Lake, Vilas County, Wisconsin
Table A10
INCH
GROUP
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
TOTALS
AGE 2
M U
F
AGE 1
M U
F
AGE 2
M U
3
F
AGE 3
M U
1
9
4
2
1
F
AGE 4
M U
15
10
1
2
1
F
AGE 5
M U
10
1 17
2
3
3
3
1
F
AGE 6
M U
1
2 15
1
7
2
2
5
1
4
1
F
AGE 7
M U
1
3
1 10
5
9
4
2
3
1
F
AGE 8
M U
F
AGE 9
M U
1
12
4
3
1
1
3
11
Number of female year classes: 6
6
2 27
7 33
15 26
15 24
Number of male year classes: 8
19
AGE 10+
F M U
16
1
3
1
2
F
TOTAL
M U ALL
2
3
6
10
9
7
3
1
24
20
21
20
21
24
10
1
2
7
8
2 26
20
23
23
27
34
19
8
5
1
2
2
1
1
1
3
4
43 144
9 196
Number of Walleye Aged by Sex and Length From Spring 2013 Adult Population Estimate
Boulder Lake, Vilas County, Wisconsin
Table A11
INCH
GROUP
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
TOTALS
F
AGE 1
M U
F
F
AGE 3
M U
F
AGE 4
M U
F
AGE 5
M U
F
AGE 6
M U
F
AGE 7
M U
F
AGE 8
M U
F
AGE 9
M U
AGE 10+
F M U
F
4
11
9
2
1
3
11
3 13
6
1
1
1
1
1
8
7 18
10
6
11
3
4
2
1
1
14
3 12
4
20
Number of female year classes: 7
3 10 28
1
6
1
1
3
14
11
14
4
4
6
4
1
2
6
1
1
1
1
1
1
1
2
3
4
4
2
1
10
1
1
1
3
5
1
2 34 36
1
9 27
3
Number of male year classes: 7
8
1
2
1
2 11
3
9
12
1
5
1
1
8
TOTAL
M U ALL
4
14
21
21
20
20
19
17
7
6
1
1
4
14
3 24
2 26
1 35
31
33
21
11
12
5
2
2
6
1
1
1
1
73 151
6 230
Number of Walleye Aged by Sex and Length From Spring 2013 Adult Population Estimate
Forest Lake, Vilas County, Wisconsin
Table A12
INCH
GROUP
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
TOTALS
AGE 2
M U
F
AGE 1
M U
F
AGE 2
M U
F
AGE 3
M U
F
AGE 4
M U
F
AGE 5
M U
F
AGE 6
M U
F
AGE 7
M U
F
AGE 8
M U
F
AGE 9
M U
AGE 10+
F M U
F
TOTAL
M U ALL
1
1
3
2
3
1
1
1
1
11
16
1
1
2
3
1
5
2
3
9
3
1
1
1
1 10
9
4
2
6
5
1
1
2
5
8
1
11
9
8
7
1
1
2
3
6
2
7 29
7
5 13
17 21
Number of male year classes: 7
20
17 21
1
1
1
1
1
2
1
Number of female year classes: 7
1
3
2
5
9
10
11
11
1
2
3 16
4
3
4
2
9
3
14
20
20
20
20
10
6
2
1
1
1
4
7 21
2 25
22
25
29
20
17
13
1
2
1
1
56 115 11 182
Number of Walleye Aged by Sex and Length From Spring 2013 Adult Population Estimate
Harris Lake, Vilas County, Wisconsin
Table A13
INCH
GROUP
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
TOTALS
F
AGE 1
M U
F
F
AGE 3
M U
1
F
AGE 4
M U
7
5
1
12
4
2
F
AGE 5
M U
3
15
4 19
5
9
2
1
2
1
F
AGE 6
M U
3
3
4
1
1
1
7
7
1
1
F
AGE 7
M U
2
2
4
6
1
3
2
7
3
1
1
F
AGE 8
M U
1
1
1
2
2
1
3
F
AGE 9
M U
1
5
3
1
1
13
Number of female year classes: 7
2 16
13 48
12 17
18 14
Number of male year classes: 8
1
1
11 10
AGE 10+
F M U
8
1
1
3
1
2
2
4
F
6
10
8
11
8
5
7
1
3
4
2
4
1
2
2
3
1
4
1
1
10
TOTAL
M U ALL
8
20
20
20
19
20
10
5
1
74 123
8
20
20
26
29
28
21
13
5
8
1
3
4
2
4
1
2
2
197
Number of Walleye Aged by Sex and Length From Spring 2013 Adult Population Estimate
Kentuck Lake, Vilas County, Wisconsin
Table A14
INCH
GROUP
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
TOTALS
AGE 2
M U
F
AGE 1
M U
F
AGE 2
M U
F
AGE 3
M U
F
AGE 4
M U
2
F
AGE 5
M U
F
AGE 6
M U
1
1
5
10
2
F
AGE 7
M U
1
3
15
9
F
AGE 8
M U
4
8
3
1
F
AGE 9
M U
1
6
3
1
1
2
1
1
Number of female year classes: 6
2
19
1 28
3 15
Number of male year classes: 7
21
AGE 10+
F M U
1
1
1
2
2
2
1
1
10 11
1
1
3
7
11
8
12
4
1
3
1
1
2
7
1
47
1
F
TOTAL
M U ALL
1
2
10
30
25
1
6
1
1
1
2
3
3
5
12
14
10
14
4
1
1
2
10
30
25
7
2
3
3
3
5
12
14
10
14
4
1
69 77
146
Number of Walleye Aged by Sex and Length From Spring 2013 Adult Population Estimate
Little Arbor Vitae Lake, Vilas County, Wisconsin
Table A15
INCH
GROUP
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
TOTALS
F
AGE 1
M U
F
AGE 2
M U
F
AGE 3
M U
F
AGE 4
M U
1
1
1
1
1
1
1
3
1
AGE 5
M U
1
8
10
1
3
1
3
2
F
AGE 6
M U
1
1
1
1
1
F
AGE 7
M U
2
7
5
1
1
F
AGE 8
M U
3
7
3
1
1
1
F
AGE 9
M U
AGE 10+
F M U
3
2
1
1
1
2
2
1
1
1
4
2
1
5
4
4
3
1
2
2
5
5
5
2
1
1
1
1
3
1
6
1
2 23
5
4 15
2 15
Number of male year classes: 8
1
7
F
1
2
1
Number of female year classes: 7
2
9
4
3 20 17
1
3
1
1
5
9
7
5
3
TOTAL
M U ALL
1
2
2
8
19
21
10
10
7
6
3
1
3
2
2
1
2
2
1
1
1
2
2
9
23
25
10
11
10
9
5
7
11
8
5
3
1
2 39 90 13 142
Number of Walleye Aged by Sex and Length From Spring 2013 Adult Population Estimate
Sherman Lake, Vilas County, Wisconsin
Table A16
INCH
GROUP
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
TOTALS
F
F
AGE 1
M U
F
AGE 2
M U
F
AGE 3
M U
F
AGE 4
M U
F
AGE 5
M U
F
AGE 6
M U
F
AGE 7
M U
F
AGE 8
M U
F
AGE 9
M U
AGE 10+
F M U
F
TOTAL
M U ALL
5
11
6
5
14
1
5
9
1
1
2
1
1
1
44
57
40
14
5
1
1
7
3
1
1 11
1
5
1
5
3
1
1
1
1
22
20 15
5 162 13
Number of female year classes: 6
3 21
1
1
2
2
2
1
3
2
5
1
1
1
1
1
2
2
1
1
1
1
6
8
3
7
2
1
Number of male year classes: 5
22
2
2
3
2
1
1
1
1
1
2
6
58
58
52
20
13
3
3
5
11
6
5
10
8
3
1
2
1
1
1
5
11
6
11
68
67
58
23
18
5
6
3
4
2
1
2
23 213 54 290
Number of Walleye Aged by Sex and Length From Spring 2013 Adult Population Estimate
Squaw Lake, Vilas County, Wisconsin
Table A17
INCH
GROUP
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
TOTALS
F
AGE 1
M U
F
F
AGE 3
M U
7
2
1
F
AGE 4
M U
3
14
2
5
3
1
3
1
F
AGE 5
M U
1
5
1 10
11
6
11
3
1
1
F
AGE 6
M U
1
4
10 11
12
1
5
1
F
AGE 7
M U
2
2
3
1
F
AGE 8
M U
F
AGE 9
M U
AGE 10+
F M U
1
6
4
1
2
1
1
1
4
4
1
1
9
Number of female year classes: 8
9 23
26 24
28 17
8 10
Number of male year classes: 8
2
3
2
8
1
F
1
TOTAL
M U ALL
10
22
19
19
12
9
4
10
23
22
46
42
19
9
1
77 95
172
1
3
27
30
10
5
1
1
Number of Walleye Aged by Sex and Length From Spring 2013 Adult Population Estimate
Twin Lake Chain, Sawyer County, Wisconsin
Table A18
INCH
GROUP
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
TOTALS
AGE 2
M U
F
AGE 1
M U
F
AGE 2
M U
F
AGE 3
M U
F
AGE 4
M U
6
5
6
4
14
9
4
3
F
AGE 5
M U
F
AGE 6
M U
F
AGE 7
M U
F
AGE 8
M U
F
AGE 9
M U
AGE 10+
F M U
1
1
5
7 11
6
4
6
1
1
1
1
3
4
3
3
1
5
7
4
1
7
10
4
2
5
2
2
1
2
3
7
1
1
1
3
1
6
3
1
1
1
1
2
4
7
8
2
2
17
Number of female year classes: 7
3 31
22 22
14 16
15 19
Number of male year classes: 8
23
2 13
5
9
1
7 23
F
1
1
10
10
10
10
1 10
7
5
1
TOTAL
M U ALL
10
19
20
20
20
20
20
11
8
2
2
1
1 68 150
10
20
21
30
30
30
30
1 22
15
7
1
2
1
1 219
Number of Walleye Aged by Sex and Length From Spring 2013 Adult Population Estimate
Bass-Patterson Lake, Washburn County, Wisconsin
Table A19
INCH
GROUP
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
TOTALS
F
AGE 1
M U
F
AGE 2
M U
F
AGE 3
M U
1
12
7
1
F
AGE 4
M U
9
13
13
1 11
4
9
1
1
AGE 5
M U
F
AGE 6
M U
7
8
8
1 12
2
1
F
AGE 7
M U
F
AGE 8
M U
F
AGE 9
M U
AGE 10+
F M U
1
3
3
1
1
1
1
1
21
6 56
5 35
1
7
Number of male year classes: 5
2
F
2
4
1
3
1
1
Number of female year classes: 5
1
1
TOTAL
M U ALL
1
21
20
20
20
20
16
2
1
1
21
20
20
22
24
17
5
2
1
1
1
1
1
1
14 121
135
Number of Walleye Aged by Sex and Length From Spring 2013 Adult Population Estimate
Middle Mckenzie Lake, Washburn County, Wisconsin
Table A20
INCH
GROUP
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
TOTALS
F
F
AGE 1
M U
F
AGE 2
M U
F
AGE 3
M U
F
AGE 4
M U
1
7
3
1
F
AGE 5
M U
F
AGE 6
M U
2
7
4
1
F
AGE 7
M U
F
AGE 8
M U
F
AGE 9
M U
1
5
4
1
1
3
1
5
3
2
1
1
12
14
11
Number of male year classes: 7
24
7
7
1 12
TOTAL
M U ALL
5
7
9
8
1
1
1
1
10
9
9
10
6
10
10
10
9
8
1
2
1
32
1 95
96
1
1
4
2
F
1
10
9
9
10
6
10
10
10
9
8
1
1
1
1
1
1
Number of female year classes: 1
AGE 10+
F M U
Appendix B: Fall Recruitment Survey Data
Figure
B1.
Page
Ceded territory in Wisconsin, Michigan, and Minnesota with
number of lakes per county where fall electrofishing surveys
were conducted by GLIFWC during 2013
26
B2.
Means of Age 0 and Age 1 Walleye CPEs, Wisconsin Fall Surveys 1986–2013
27
B3.
Medians of Age 0 and Age 1 Walleye CPEs, Wisconsin Fall Surveys 1986–2013 27
B4.
Length Frequency of Walleye Captured, Fall 2013
Walleye Recruitment Survey, Mille Lacs Lake
28
B5.
Mille Lacs Lake Walleye CPEs GLIFWC Surveys, 1993 - 2013
28
B6.
Age 0 CPE by Code for GLIFWC 2013 Recruitment Surveys
29
B7.
Age 1 CPE by Code for GLIFWC 2013 Recruitment Surveys
29
Table
Page
B1.
Description of Walleye Recruitment Source Codes
30
B2.
Fall 2013 Recruitment Surveys Conducted by GLIFWC
31
B3.
Summary of Age 0 and Age 1 Catch per Effort Rates During
Fall 2013 Recruitment Surveys Conducted by GLIFWC
31
25
A - Bad River
B - Bay Mills (not depicted)
C - Fond du Lac
D - Keweenaw Bay
E - Lac Courte Oreilles
F - Lac du Flambeau
G - Lac Vieux Desert
H - Mille Lacs
I - Mole Lake
J - Red Cliff
K - St. Croix
®
J
C
2
Burnett
Mille Lacs
5
Polk
Gogebic
E
Pine
1
1
Iron
K
8
Sawyer
3
Washburn
2
Barron
2
Rusk
F
3
Price
1
Baraga
Ontonagon
3
Douglas
1
H
1
A
8
Bayfield
3
1
Houghton
23
Oneida
2
Lincoln
34
Vilas
G
D
1
Iron
2
Forest
I
1
Langlade
Figure B1. Ceded Territory in Wisconsin, Michigan, and Minnesota with the number of lakes per county
where fall juvenile walleye surveys were conducted by GLIFWC during 2013.
0
20
40
80
120
160
Miles
*The ceded territory boundaries and the tribal reservation boundaries
26 are representations and may not be the actual legally binding boundaries.
Figure B2
Means of Age 0 and Age 1 Walleye CPEs in Wisconsin
60
Age 0
Age 1
Number per Mile
50
Average of Yearly Means
of Age 0 CPEs
40
30
20
Average of Yearly Means
of Age 1 CPEs
10
0
1986
1991
1996
2001
2006
2011
Year Class
Figure B3
Medians of Age 0 and Age 1 Walleye CPEs in Wisconsin
60
Age 0
Age 1
Number per Mile
50
40
30
Average of Yearly
Medians of Age 0 CPEs
20
10
Average of Yearly
Medians of Age 1 CPEs
0
1986
1991
1996
2001
Year Class
2006
2011
Data represents NR and C-NR lakes in Wisconsin with at least 75% of the shoreline surveyed, and includes
Wisconsin DNR data and all cases with CPEs of 0.
27
Length Frequency of Walleye Captured
Figure B4
Fall 2013 Walleye Recruitment Survey, Mille Lacs Lake
1,600
1,500
Data shown for walleye less
than 15.5 inches
1,400
1,300
1,200
Number of Walleye
1,100
1,000
900
800
700
600
500
400
300
200
100
0
3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0 10.5 11.0 11.5 12.0 12.5 13.0 13.5 14.0 14.5 15.0
Inch Group
Figure B5
Mille Lacs Lake Fall Walleye CPEs from GLIFWC Surveys
175
Age 0
Age 1
Number per Mile
150
125
100
75
50
25
0
1992
1994
1996
1998
2000
2002
Year
28
2004
2006
2008
2010
2012
29
Table B1. Description of Walleye Recruitment Source Codes.
Code
NR
Recruitment Code Description
=
Natural reproduction provides the only source of recruitment to the adult
population and is consistent enough to result in an adult population with
multiple year-classes present.
NR-2 =
Natural reproduction provides the only source of recruitment to the population,
but adult density is low, presumably resulting from weak or inconsistent
year-classes.
C-NR =
Natural reproduction is sufficient to sustain the adult population, but stocking
occurs for non-biological reasons and may or may not augment the adult
population (e.g., NR lakes stocked back with fry after spawn collection, NR
lakes stocked by lake associations).
C-
Natural reproduction and stocking provide more or less equal recruitment to the
population, or the relative contributions of natural reproduction and stocking
are not understood well enough to make an accurate judgement as to the
dominant source.
=
C-ST =
Stocking provides the dominant source of recruitment to the adult population
but natural reproduction occurs and may augment the adult population to a
lesser extent (e.g., NR-2 lakes that are stocked to produce greater abundance).
ST
Stocking provides the only source of recruitment to the adult population. If
stocking is regular then the adult population may consist of multiple yearclasses; if irregular, then the population may consist of one or two yearclasses with perhaps only large fish.
=
REM =
Absence of recruitment to the adult population due to discontinued stocking
or habitat changes has resulted in a remnant population of adults; the stock will
disappear at some point in the future.
O-ST =
Stocking provides the only source of recruitment to the population in an attempt
to establish an adult population, but survey data is either not available or indicates
that adult density is less than 0.5 per acre.
O
Walleye are not present.
=
30
Table B2. Fall 2013 Walleye Recruitment Surveys Conducted by GLIFWC
WISCONSIN
County
BARRON
BARRON
BAYFIELD
BAYFIELD
BAYFIELD
BAYFIELD
BAYFIELD
BAYFIELD
BAYFIELD
BAYFIELD
BURNETT
BURNETT
DOUGLAS
DOUGLAS
DOUGLAS
FOREST
FOREST
IRON
LANGLADE
LINCOLN
LINCOLN
ONEIDA
ONEIDA
ONEIDA
ONEIDA
ONEIDA
ONEIDA
ONEIDA
ONEIDA
ONEIDA
ONEIDA
ONEIDA
ONEIDA
ONEIDA
ONEIDA
ONEIDA
ONEIDA
ONEIDA
ONEIDA
ONEIDA
ONEIDA
ONEIDA
ONEIDA
ONEIDA
POLK
POLK
POLK
POLK
POLK
PRICE
PRICE
PRICE
RUSK
RUSK
SAWYER
SAWYER
SAWYER
SAWYER
SAWYER
SAWYER
SAWYER
SAWYER
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
Lake
RED CEDAR L
SILVER L
BUSKEY BAY
HART L
L MILLICENT
L OWEN
NAMEKAGON L
SISKIWIT L
TWIN BEAR L
UPPER EAU CLAIRE L
ROONEY L
YELLOW L
L NEBAGAMON
LOWER EAU CLAIRE L
WHITEFISH L
L LUCERNE
LILY L
TURTLE-FLAMBEAU FL
ENTERPRISE L
L MOHAWKSIN
L NOKOMIS
BEARSKIN L
BIG FORK L
BIG L
BIG STONE L
BUCKSKIN L
CHAIN L
CLEAR L
CRESCENT L
DAM L
GEORGE L
HASBROOK L
KATHERINE L
LITTLE FORK L
MANSON L
MEDICINE L
PELICAN L
PLANTING GROUND L
RAINBOW FL
SAND L
SQUASH L
SQUIRREL L
TOMAHAWK L
WILLOW FL
BALSAM L
BIG BUTTERNUT L
BIG ROUND L
HALF MOON L
MAGNOR L
BUTTERNUT L
PIKE L
ROUND L
POTATO L
SAND L
L CHETAC
L CHIPPEWA
LAC COURTE OREILLES
LOST LAND L
NELSON L
ROUND L
SISSABAGAMA L
WINDFALL L
ANNABELLE L
BALLARD L
BIG L (BOULDER JCT)
BIG L (MI BORDER)
BIG MUSKELLUNGE L
BIG PORTAGE L
BIG ST GERMAIN L
Surface
2013
Area
Walleye
(Acres)
Code
1,841 C-NR
337 C-NR
100
NR
259
NR
183
NR
1,323 C-ST
3,227
NR
330
NR
172
NR
996 C-NR
322
ST
2,287 C-NR
914 C-NR
802
NR
832
NR
1,026 C-NR
213
NR
13,545
NR
505
NR
1,910
NR
2,433
NR
400
NR
690
NR
865
NR
548
NR
634 C-NR
219
NR
846
NR
612
NR
744
NR
435
NR
302
NR
590
NR
354
NR
236 C-NR
372
NR
3,585
NR
1,012
NR
2,035
NR
540
NR
396
NR
1,317
NR
3,392 C-ST
5,135
NR
2,054 C-ST
378 C-ST
1,015
ST
579 O-ST
231 C-ST
1,006
NR
806
NR
726
NR
534
ST
262 C-NR
1,920 C-NR
15,300 C-NR
5,039 C-NR
1,304 C-ST
2,503 C-ST
3,054 C-NR
719 C-NR
102
NR
213
NR
505 C-ST
835
NR
771
NR
930
NR
638
NR
1,617 C-NR
Date
Surveyed
9/23
10/14
9/12
9/10
9/10
9/10
10/2
9/18
9/10
9/11
10/16
9/25
9/12
10/1
9/25
9/17
9/16
9/16
9/24
10/10
10/8
9/24
10/7
10/1
10/3
10/15
9/26
9/23
9/18
10/9
9/25
10/17
10/14
10/8
10/9
10/23
10/2
10/3
10/24
10/10
10/10
9/26
9/25
10/7
10/8
9/18
10/10
10/15
10/3
9/23
10/9
10/8
10/9
10/17
9/24
9/10
9/18
9/12
9/17
9/16
9/9
9/19
9/17
10/16
10/2
9/11
10/8
9/24
9/30
Age 0 Age 0 Age 0
Age 1 Age 1 Age 1
Age 0 Age 0
Min
Max
Mean Age 1 Age 1
Min
Max
Mean
Total
Miles
CPE Walleye Length Length Length CPE Walleye Length Length Length Walleye Surveyed
7.8
97
3.9
7.5
7.0
87
8.0
10.0
365
12.4
18.4
81
3.8
7.8
5.3
0.7
3
10.9
11.6
11.3
87
4.4
0.4
1
4.1
4.1
4.1
0.0
0
1
2.4
1.7
6
4.2
4.7
4.5
0.0
0
8
3.5
0.3
1
6.3
6.3
6.3
0.0
0
4
3.8
0.9
22
4.3
6.7
5.4
0.1
3
8.4
9.7
9.2
44
24.0
0.1
3
5.8
6.5
6.2
5.2
158
7.2
10.5
9.4
396
30.2
12.8
51
5.0
6.4
5.7
36.5
146
7.6
9.9
8.7
254
4.0
0.5
2
4.9
5.0
5.0
0.0
0
5
3.9
0.3
3
5.9
6.5
6.2
0.0
0
20
11.1
0.0
0
0.0
0
1
4.1
2.9
23
4.3
6.9
5.9
1.8
14
8.8
11.9
10.6
75
7.9
1.4
15
4.4
7.1
10.0
108
7.3
11.2
144
10.8
14.0
109
4.8
7.3
5.9
0.8
6
8.4
10.2
9.4
130
7.8
13.8
95
3.9
8.3
6.0
0.1
1
9.0
9.0
9.0
117
6.9
1.1
10
4.6
6.2
5.7
0.6
5
9.2
11.6
10.3
17
8.8
0.0
0
13.3
68
8.4
11.2
10.1
151
5.1
25.2
646
3.6
7.0
5.0
13.7
350
7.1
10.1
8.4
1,159
25.6
0.3
2
4.7
5.6
5.2
24.0
144
7.2
9.8
8.7
214
6.0
8.4
87
3.6
6.3
4.9
23.0
237
6.9
10.1
8.6
428
10.3
53.5
834
3.4
6.7
4.7
21.9
342
7.5
11.1
9.7
1,229
15.6
145.9
817
4.2
6.8
5.6
43.4
243
7.1
10.4
9.2
1,220
5.6
79.3
428
3.6
6.6
5.3
22.4
121
6.8
9.2
8.2
612
5.4
1.2
8
4.2
6.6
5.3
17.6
116
6.7
8.4
7.6
297
6.6
7.7
37
3.7
6.3
5.1
22.9
110
6.6
8.8
7.8
317
4.8
5.4
34
4.4
7.0
5.3
15.9
100
8.0
11.2
9.9
155
6.3
0.0
0
0.0
0
1
3.0
1.9
26
4.2
8.2
5.4
0.5
7
8.5
10.6
9.6
50
13.8
14.5
107
4.5
6.6
5.8
7.7
57
8.1
10.6
9.6
277
7.4
2.7
21
4.3
6.7
5.8
51.4
396
6.8
9.0
7.7
497
7.7
2.4
13
4.9
6.7
5.6
22.9
126
7.0
8.7
8.0
310
5.5
111.8
492
4.0
7.4
5.8
37.0
163
7.6
11.4
9.5
668
4.4
4.2
45
5.5
7.2
6.4
5.0
53
9.5
11.6
10.7
119
10.7
24.4
127
4.2
6.3
5.5
12.1
63
7.4
8.9
8.3
264
5.2
0.0
0
0.0
0
22
3.6
12.1
58
4.6
6.9
5.5
9.0
43
7.6
9.6
8.6
134
4.8
25.4
330
3.9
8.4
12.0
156
8.5
10.0
877
13.0
27.5
289
3.7
7.4
5.0
19.6
206
7.5
10.6
8.8
557
10.5
53.1
260
4.0
7.2
5.8
6.1
30
7.4
10.4
8.9
313
4.9
0.2
1
5.6
5.6
5.6
23.1
111
7.1
9.8
8.4
161
4.8
0.8
6
6.0
7.2
6.7
0.0
0
10
7.4
46.7
649
3.9
7.1
5.6
2.1
29
8.9
10.4
9.7
773
13.9
0.3
5
5.7
6.2
5.9
0.5
9
8.4
10.0
9.7
159
16.9
24.2
392
3.6
7.0
4.8
21.4
346
7.2
10.9
8.7
777
16.2
0.0
0
0.0
1
11.5
11.5
1
22.7
0.0
0
0.0
0
8
3.4
0.0
0
0.2
1
7.9
7.9
7.9
2
5.7
0.0
0
0.0
0
46
7.1
0.0
0
2.3
6
9.6
10.2
9.9
26
2.6
49.6
555
4.0
7.9
6.6
65.2
730
8.0
10.3
9.3
2,186
11.2
1.2
13
4.6
6.9
5.9
16.0
174
7.2
9.8
8.8
342
10.9
26.7
136
4.4
7.0
6.2
43.5
222
7.3
10.0
8.8
589
5.1
0.0
0
0.5
4
8.9
10.9
9.9
29
7.4
28.8
138
5.5
7.1
6.6
14.0
67
7.2
8.6
7.5
206
4.8
0.0
0
2.5
41
7.8
10.2
9.3
124
16.2
0.0
0
4.2
50
8.1
11.2
9.5
98
12.0
13.6
346
3.6
6.8
5.3
0.6
14
7.7
10.0
8.8
402
25.4
0.1
1
7.8
7.8
0.3
3
10.0
10.7
11
10.7
0.1
1
6.5
6.5
6.5
0.4
8
7.7
9.1
8.4
67
19.1
15.2
303
4.9
7.2
6.0
0.6
12
8.4
10.4
9.5
321
19.9
0.0
0
0.7
6
7.8
9.7
8.8
24
8.2
133.8
214
3.6
6.9
4.9
5.6
9
9.0
10.8
10.1
254
1.6
4.8
20
5.3
6.9
6.0
9.0
38
7.6
9.8
9.0
160
4.2
0.0
0
0.0
0
7
5.5
39.0
374
5.1
8.1
6.6
20.2
194
8.5
11.9
10.5
590
9.6
5.9
81
3.9
6.3
5.1
11.5
159
6.4
9.8
8.5
365
13.8
72.7
742
3.3
7.1
4.6
13.3
136
7.2
10.6
9.0
905
10.2
47.6
324
4.0
7.9
5.9
14.9
101
8.1
10.9
9.7
449
6.8
0.0
0
22.8
173
8.2
11.0
9.7
200
7.6
31
Shore
Miles
15.9
4.4
2.4
3.5
3.8
24.0
43.6
4.0
3.9
11.1
4.1
7.9
10.8
7.8
6.9
10.5
5.1
211.0
6.0
35.2
38.5
5.6
5.4
6.6
4.8
6.3
3.0
13.8
7.4
7.7
5.5
4.4
10.7
5.2
3.6
4.8
13.0
10.5
22.3
4.8
7.4
13.9
30.2
98.5
22.7
3.4
5.7
7.1
2.6
11.2
10.9
5.1
9.2
4.8
17.5
232.9
25.4
11.3
31.4
20.2
8.2
1.6
4.2
5.5
9.6
13.8
10.2
6.8
7.6
Hours
Surveyed
5.70
1.58
0.98
1.64
0.98
9.87
11.20
2.24
1.15
2.91
1.55
1.98
4.50
2.43
3.88
3.98
2.09
11.32
2.50
3.99
7.05
3.14
2.35
2.73
2.28
2.53
1.29
6.09
3.75
2.45
2.75
2.33
4.39
1.87
1.78
2.25
8.70
3.88
3.50
2.34
2.64
5.36
7.45
3.73
7.10
1.00
2.18
1.85
0.99
6.37
3.02
2.84
2.25
1.88
6.06
4.54
12.05
4.40
7.73
8.23
2.74
0.88
2.32
2.05
4.08
5.19
3.62
2.99
3.32
Temperature
64
57
70
67
68
69
62
64
67
70
53
67
67
63
65
66
67
64
64
57
56
67
59
61
61
51
63
63
66
59
63
55
56
58
61
47
61
59
41
59
61
62
62
58
60
65
60
56
61
62
58
58
61
56
65
71
66
68
64
68
66
66
63
51
60
68
57
61
60
Other Species
MUE NOP LMB SMB
1
5
4
8
4
2
2
1
9
3
2
18
1
18
146
1
3
87
32
53
5
28
16
8
17
19
1
49
62
15
14
5
12
34
2
3
1
31
6
4
13
WISCONSIN
County
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
VILAS
WASHBURN
WASHBURN
WASHBURN
Lake
BOULDER L
CLEAR L
CRAB L
FOREST L
HARRIS L
HIGH L
HORSEHEAD L
ISLAND L
KENTUCK L
LAC VIEUX DESERT
LITTLE JOHN L
LITTLE STAR L
MAMIE L
N TURTLE L
N TWIN L
OXBOW L
PAPOOSE L
PRESQUE ISLE L
REST L
S TURTLE L
S TWIN L
SHERMAN L
SPIDER L
SQUAW L
STAR L
TROUT L
WHITE SAND L
BALSAM L
BASS-PATTERSON L
LONG L
Surface
2013
Area
Walleye
(Acres)
Code
524
NR
555
NR
949
NR
466
NR
507
NR
734
NR
234
NR
1,023
NR
957
NR
4,300 C-ST
166 C-NR
244
NR
400
NR
369
NR
2,788
NR
511
NR
428 C-NR
1,280
NR
608
NR
454
NR
642
NR
123
NR
272
NR
785
NR
1,206
NR
3,816 C-ST
734 C-ST
295 C-NR
188
NR
3,290 C-NR
Date
Surveyed
10/2
10/10
10/14
9/17
9/16
9/11
9/24
10/15
9/26
9/30
9/19
10/16
9/12
10/15
10/7
10/17
9/9
9/9
10/14
10/16
10/7
9/19
10/17
9/25
10/1
10/1
9/24
9/19
9/26
9/30
Age 0 Age 0 Age 0
Age 1 Age 1 Age 1
Age 0 Age 0
Min
Max
Mean Age 1 Age 1
Min
Max
Mean
Total
Miles
CPE Walleye Length Length Length CPE Walleye Length Length Length Walleye Surveyed
184.3
1,106
3.5
6.9
5.4
17.7
106
7.1
9.9
8.5
1,294
6.0
10.0
52
4.4
7.4
6.1
1.0
5
9.5
10.3
9.9
68
5.2
14.9
235
3.9
7.6
6.2
5.1
81
7.8
11.2
9.6
355
15.8
44.7
313
3.5
6.5
4.4
1.0
7
8.0
9.5
8.8
328
7.0
12.3
74
4.9
6.9
6.2
0.3
2
10.6
11.0
10.8
101
6.0
0.0
0
0.0
0
0
7.4
45.9
188
4.1
6.9
5.2
21.0
86
7.3
10.4
9.0
297
4.1
53.4
481
4.1
7.1
5.5
21.6
194
7.5
10.2
8.8
764
9.0
0.0
0
0.0
0
24
6.0
0.3
5
5.9
7.1
6.4
0.2
3
10.0
10.9
10.4
42
16.3
167.3
552
4.7
7.4
6.0
1.2
4
10.0
10.9
10.6
582
3.3
15.0
57
3.7
7.0
5.6
1.6
6
7.8
9.9
8.9
72
3.8
0.8
5
5.3
6.1
5.8
14.1
83
7.4
10.0
8.8
184
5.9
1.8
9
5.3
7.5
5.8
5.6
28
7.8
9.5
8.5
60
5.0
70.2
730
3.7
7.9
6.1
4.4
46
8.6
10.8
9.9
910
10.4
2.4
33
5.2
6.9
6.2
31.1
420
7.1
10.0
8.8
540
13.5
0.8
5
4.6
6.2
5.0
2.1
14
8.2
10.8
9.2
44
6.6
33.1
291
4.5
6.7
5.9
3.6
32
7.1
10.2
9.3
347
8.8
34.9
265
3.8
6.8
5.8
9.9
75
7.6
11.0
9.4
379
7.6
9.2
57
5.1
6.8
6.1
25.5
158
7.5
10.3
9.1
257
6.2
38.1
141
5.0
7.4
6.3
5.9
22
8.8
10.8
9.7
183
3.7
55.9
123
5.0
7.1
6.1
24.5
54
8.6
11.4
10.0
193
2.2
38.1
225
3.9
7.3
5.7
7.5
44
7.5
10.3
9.2
323
5.9
4.8
43
4.4
6.9
6.0
24.9
224
7.7
10.4
9.1
450
9.0
123.1
1,440
3.3
6.8
4.8
20.5
240
7.1
10.6
9.2
1,789
11.7
26.4
473
3.3
8.0
5.1
0.7
12
8.6
10.8
9.8
504
17.9
4.5
25
5.4
6.7
6.2
17.3
95
7.1
10.4
9.0
133
5.5
0.4
2
4.6
5.6
5.1
1.3
7
8.4
9.8
9.1
34
5.3
0.3
1
5.4
5.4
5.4
0.3
1
8.6
8.6
8.6
21
2.9
0.4
12
4.6
6.1
5.7
0.0
0
128
28.2
COUNT: 99 SURVEYS ON 99 LAKES
TOTALS:
AVERAGES:
NUMBER OF SURVEYS WITH FISH CAUGHT:
22.1
82
Surface
2013
Area
Walleye
(Acres)
Code
182 C-ST
13,380
NR
314
NR
335
NR
10,808 C-NR
584
NR
2,118 C-NR
Age 0
CPE
0.0
9.3
103.8
8.8
0.0
1.3
8.3
MICHIGAN
County
BARAGA
GOGEBIC
GOGEBIC
GOGEBIC
HOUGHTON
IRON
ONTONAGON
Lake
PARENT L
L GOGEBIC
POMEROY L
TAMARACK L
PORTAGE L
HAGERMAN L
BOND FALLS FL
Date
Surveyed
9/23
9/9
9/12
10/16
9/9
10/22
9/24
COUNT: 7 SURVEYS ON 7 LAKES
TOTALS:
AVERAGES:
NUMBER OF SURVEYS WITH FISH CAUGHT:
18.8
6
Surface
2013
Area
Walleye
(Acres)
Code
132516
NR
98
NR
Age 0
CPE
17.2
0.0
MINNESOTA
County
MILLE LACS
PINE
Lake
MILLE LACS L
KNOMACHERS L
Date
Surveyed
9/10
10/7
COUNT: 2 SURVEYS ON 2 LAKES
TOTALS:
AVERAGES:
NUMBER OF SURVEYS WITH FISH CAUGHT:
TOTALS (OVERALL):
AVERAGES (OVERALL):
NUMBER OF SURVEYS WITH FISH CAUGHT (OVERALL):
8.6
1
OVERALL: 108 SURVEYS ON 108 LAKES
21.6
89
16,424
166
Age 0
Walleye
0
240
384
35
1
9
124
793
113
Age 0
Walleye
1338
0
1,338
669
18,555
172
5.6
10.4
84
Age 0 Age 0 Age 0
Min
Max
Mean Age 1
Length Length Length CPE
0.0
3.6
5.7
4.7
7.5
3.6
7.2
6.2
35.9
5.8
6.9
6.5
14.5
6.5
6.5
6.5
0.0
4.6
6.2
5.3
1.0
3.6
7.1
5.2
27.3
5.7
12.3
5
Age 0 Age 0 Age 0
Min
Max
Mean Age 1
Length Length Length CPE
3
8.2
6.4
0.5
0.0
6.4
5.7
0.3
1
10.3
90
8,355
84
Age 1
Walleye
0
195
133
58
0
7
409
802
115
Age 1
Walleye
39
0
39
20
9,196
85
9.2
Age 1 Age 1 Age 1
Min
Max
Mean
Length Length Length
6.7
8.4
8.2
9.0
10.8
11.6
7.9
9.8
10.1
7.9
7.2
10.4
11.3
9.2
8.5
9.1
Age 1 Age 1 Age 1
Min
Max
Mean
Length Length Length
8.4
11
9.9
9.9
9.2
CPE=catch per unit effort (number of fish divided by shore miles surveyed), MUE=muskellunge, NOP=northern pike, LMB=largemouth bass, SMB=smallmouth bass.
32
31,237
316
98
Total
Walleye
0
824
528
95
3
16
614
2,080
297
6
Total
Walleye
1407
6
Shore
Miles
7.7
7.1
15.8
7.0
6.0
7.4
4.1
16.8
6.0
16.3
3.3
3.8
5.9
5.0
10.4
13.5
6.6
8.8
8.1
6.2
3.7
2.2
5.9
9.0
11.7
17.9
5.5
7.4
2.9
38.0
888.9
Miles
Surveyed
2.3
25.9
3.7
4.0
24.4
7.0
15.0
1,413
707
2
80.6
34,730
322
106
1,051.8
Temperature
62
58
55
67
65
69
60
51
63
60
67
53
64
54
59
51
64
68
56
52
58
64
53
65
63
59
64
65
65
63
375.46
Shore
Miles
2.3
35.0
3.7
4.0
67.4
7.0
15.0
82.3
Miles
Surveyed
78
2.6
Hours
Surveyed
3.19
2.26
7.03
2.92
2.56
2.76
2.35
4.72
2.15
7.67
1.87
1.62
2.49
2.20
5.25
6.13
2.64
4.26
3.57
2.73
1.76
1.36
2.52
4.19
6.41
9.60
2.41
1.71
1.04
11.31
Hours
Surveyed
1.25
10.66
2.00
2.25
10.43
2.75
6.33
Temperature
58
68
69
52
67
50
65
35.67
Shore
Miles
78
2.6
Hours
Surveyed
31.53
0.89
32.42
443.55
Temperature
67
57
Other Species
MUE NOP LMB SMB
21
3
11
2
2
9
10
19
9
2
1
1
38
99
22
172
336
442
8
13
16
18
Other Species
MUE NOP LMB SMB
5
1
0
0
0
6
0
0
0
2
Other Species
MUE NOP LMB SMB
0
0
0
0
0
0
0
0
22
172
336
448
8
13
16
20
Table B3
Summary of Age 0 and Age 1 Catch per Effort Rates During Fall 2013 Recruitment Surveys Conducted by GLIFWC
Including Lakes Where No Year Class Was Detected
AGE STATE
WISCONSIN
MICHIGAN
0
MINNESOTA
POOLED
WISCONSIN
MICHIGAN
1
MINNESOTA
POOLED
MEAN
CPE
25.7
26.3
8.6
25.3
12.0
17.2
0.3
12.0
NR and C-NR
ST.
MIN.
DEV.
N
CPE
39.1
84
0.0
43.5
5
1.3
12.1
2
0.0
38.8
91
0.0
13.2
84
0.0
14.3
5
1.0
0.4
2
0.0
13.2
91
0.0
C-ST
MAX. MEAN
CPE
CPE
184.3
2.3
103.8
0.0
17.2
184.3
2.2
65.2
1.6
35.9
0.0
0.5
65.2
1.5
ST.
DEV.
7.0
N
14
1
0
15
14
1
0
15
6.8
4.5
4.4
MIN.
CPE
0.0
0.0
MAX. MEAN
CPE
CPE
26.4
0.0
0.0
0.0
0.0
0.0
26.4
17.3
0.0
0.0
0.0
0.0
17.3
0.0
NR-2 and O-ST
ST.
MIN.
DEV.
N
CPE
1
0.0
0
0
1
0.0
1
0.0
0
0
1
0.0
MAX.
CPE
0.0
0.0
0.0
0.0
Excluding Lakes Where No Year Class Was Detected
AGE STATE
WISCONSIN
MICHIGAN
0
MINNESOTA
POOLED
WISCONSIN
MICHIGAN
1
MINNESOTA
POOLED
MEAN
CPE
28.7
26.3
17.2
28.4
13.8
17.2
0.5
13.8
NR and C-NR
ST.
MIN.
DEV.
N
CPE
40.3
75
0.1
43.5
5
1.3
1
17.2
40.0
81
0.1
13.2
73
0.1
14.3
5
1.0
1
0.5
13.2
79
0.1
C-ST
MAX. MEAN
CPE
CPE
184.3
4.7
103.8
17.2
184.3
4.7
65.2
2.1
35.9
0.5
65.2
2.1
ST.
DEV.
9.7
9.7
5.1
5.1
33
N
7
0
0
7
11
0
0
11
MIN.
CPE
0.1
MAX. MEAN
CPE
CPE
26.4
0.1
0.0
26.4
17.3
0.0
17.3
NR-2 and O-ST
ST.
MIN.
DEV.
N
CPE
0
0
0
0
0
0
0
0
MAX.
CPE