2/22/17
Overview
1. 
2. 
3. 
4. 
5. 
6. 
7. 
8. 
MeettheISCBC
DefiningInvasiveSpecies
WhyCare?Impacts
Legisla@on
Pathways&Vectors
BestManagementPrac@ces
Repor@ng
Top10InvasiveSpecies
Alex Fraser Research Forest
MeettheISCBC
MeettheISCBC:
WorkingWithIndustry
Vision:TOGETHER.PREVENT.
RESTORE.
Mission:Tocollaborateand
ISCBCBoardOfDirectors
s/mulateac/onsthatpreventthe
spreadofinvasivespeciestoour
communi/esandthenatural
environment
Alex Fraser Research Forest
Alex Fraser Research Forest
ISCBCStaff
1
2/22/17
InvasiveSpecies:
Terminology
Non-NaAvebutNotInvasive
Ana,vespeciesisonethatnaturallyoccursinan
area:
Notallnon-na/veor
introducedspecies
areinvasive!
•  a plant/animal that has lived
and evolved in a certain
place for a long time, is part
of the natural ecosystem
•  adapted to local conditions,
co-evolved with other
species, predators,
diseases, & climate factors
N.Bakker
Kinnickinnick, a native ground cover
plant.
GeraldHolmes
InvasiveSpecies:
Terminology
1. Prolific seed producers
InvasivePlant:anyinvasivealien
plantspeciesthathasthepoten/al
toposeundesirableordetrimental
impactsonpeople,animals,or
ecosystems.
NoxiousWeed:referstothose
invasiveplantspecieslistedunder
theBCWeedControlAct
Regula/on.
NRC
InvasiveSpecies:
FourDefiningCharacterisAcs
E. Coombs
K. Mackenzie
OxeyeDaisy
Purple loosestrife
Himalayan Balsam
2
2/22/17
InvasiveSpecies:
DefiningCharacterisAcs
InvasiveSpecies:
DefiningCharacterisAcs
3. They grow rapidly under many conditions - form
dense stands, displace slower growing plants.
2. Seeds spread easily and effectively
E. Coombs
Hound’s tongue burrs
Thistles
E. Coombs
English Ivy
Hoary alyssum
InvasiveSpecies:
DefiningCharacterisAcs
WhyCare?
4. Usually free of the natural predators / grazers/
diseases found in their native range.
E. Coombs
Orange hawkweed
J. Leekie
T. Huette
Spotted knapweed
3
2/22/17
WhyCare?
EconomicImpacts
WhyCare?
EconomicImpacts
Reduc@oninPropertyValues
Agriculture&Ranching
Invasiveplantsreducecrop
qualityby:
• replacingtargetcrops
• tain/ngcropswithspines,
toxicplants,inedibleforage
• Some(tansyragwort,
hound’stongue)canpoison
livestock;burrsinjure/
reducevalue
L. Scott
C&F
Burdock burrs on livestock
European Fire
Ants
Japanese knotweed grows
through fence from
neighboring property
WhyCare:
EconomicImpacts
WhyCare?
EconomicImpacts
Transporta,on
TheMinistryofTransportaAoninvests$1.3Millioneach
yearoninvasiveplantcontrol.
•  CuOnginvasiveplantsto
re-establishsightlines
•  condemninginfestedgravel
pits
•  Repairingknotweeddamage:
rootscangrowupto20m!
TheesAmatedannualimpactof
invasivespeciesis~$30billion-
$20billionintheforestsector….
(CFIA)
CABI
4
2/22/17
WhyCare?
EnvironmentalImpacts
Biodiversity
BCishometomorespeciesoflivingthingsthan
anyotherprovince:
Social/CulturalImpacts
•  Pose health and safety risks
•  Reduce recreational values/
close parks, trails
•  First Nations culture
70%ofCanada’snes/ngbirdspecies
72%ofCanada’slandmammalspecies
50%ofCanada’samphibians,41%ofrep/les
60%ofCanada’splantspecies,73%ofmosses
andliverworts
•  40,000+speciesofinsects,spidersandmites
• 
• 
• 
• 
L. Scott
Invasive plant removal on
Tobacco Plains Reserve
WhyCare:
ImplicaAonstoForestry
Pathways&Vectors:
Forestry
Invasiveplantsestablish
andspreadin2major
ways:
Anyland-basedac/vity
thattransportssoil/
mudorexposessoilcan
leadtoinvasivespecies
spread.
1.Disturbingsoil
Alex Fraser Research Forest
Land-basedForestryAcAvity
2.Movingseedsandplant
partstonewplaces,
becomingapathwayfor
newinfesta/ons
Alex Fraser Research Forest
5
2/22/17
PathwaysandVectors:
Examples
Equipment
Machinery/Vehicles
Mud
People
Wind/Water
Animals
WhyCare:
ImplicaAonstoForestry
ScotchBroomcompeteswithacoastalDouglas-fir
planta/onandcreatesfirehazard
B. Grutzmacher
L. Scott
WhyCare:
ImplicaAonstoForestry
MarshPlumeThistlegrowsto2mtall,cancause
vegeta/on/snowpressandcanincreasefirehazardin
planta/ons.It’salsopainfultowalkthrough.
B. Grutzmacher
ScotchBroom
ImplicaAonsforForestry
•  Shade-tolerantinvasive
plantscompetewith
regenera,on
•  persistent/difficultto
manageonceestablished
J. Leekie
OrangeHawkweed
•  Competewithna/veplant
species
Ministry of Agriculture
Ministry of Agriculture
MarshPlumeThistle
City Of Portland
6
2/22/17
ImplicaAonstoForestry
WhyCare:
WorkerSafetyHazard
WorkSafeBC
releasedaToxic
PlantWarningabout
GiantHogweed
•  Disease
•  Decreasetreeintegrity
J. Leekie
Fraser Valley Regional District
EmeraldAshBorer
WhitePineBlisterRust
City Of Portland
GiantHogweed
BestPracAces:
Overview
Legisla,on
BC Forest & Range Practices Act (FRPA)
WeedControlAct
IntegratedPestManagementAct(Provincial)
SeedsAct(Federal)
WildlifeAct-ControlledAlienSpeciesRegula@on(Provincial)
LocalGovernmentActs(Regional)
CommunityCharterActs(Municipal))
ProfessionalCodesofEthics
•  Onceestablished,invasive
plantsaredifficultto
controlandspreadquickly
•  FocusisonPreven@on;&
Management-ensurethat
invasiveplantscannot
escape
tonewareas
Bestprac@cesaimtobecompa/ble
withcurrentforestmanagement
opera/ons–8intotal
B. Grutzmacher
7
2/22/17
BestPracAces
1.Incorporateknowninvasiveplantsitesinto
developmentplansandreportnewsitesastheyare
discovered.
BestPracAces
2.Avoidinfestedsitesforstaging,parking,andlog
sor/ng—bothinthebushandstorageyards.
B. Grutzmacher
ScotchBroombesidestorageculverts.
Report-A-Weed(www.reportaweedbc.ca)
BestPracAces
3.Workinun-infestedsitesbeforemovingtoinfested
sites.
B. Grutzmacher
Hitch-hikerplantpartsandseedscanstartnewinfestaAons.
BestPracAces
4.Cleanequipmentbeforemovingtoanewworksite
orregion.
Alex Fraser Research Forest
InvasiveplantscantravelfarandbeintroducedtoprisAneenvironments.
8
2/22/17
BestPracAces
5.Inspectandensurefillanderosion-controlmaterials
arefreeofinvasiveplantsbeforetransportanduse.
BestPracAces
6.Minimizesoildisturbanceandmaintainna/ve
vegeta/on.
Alex Fraser Research Forest
B. Grutzmacher
Scotchbroomingravelpit
BestPracAces
7.Promptlyeliminateinfesta/onsresul/ngfrom
EverycutintopreviouslyundisturbedsoilandvegetaAonincreasesthe
likelihoodofinfestaAon.
BestPracAces
8.Re-vegetatedisturbedsitespromptly.
forestryac/vi/es.
B. Grutzmacher
HerbicidecrewtreaAngScotchbroominplantaAon.
Alex Fraser Research Forest
RevegetatedareawithnaAveseedmix.
9
2/22/17
ReporAng
TopInvasiveSpecies
SpreadThroughForestry
Ac,vi,es
www.for.gov.bc.ca/HRA/invasive-species
InvasivePlants
InvasivePlants
B. Hammeras
CommonBugloss
Blueweed
KnapweedSpecies
CommonTansy
HawkweedSpecies
MarshPlumeThistle
RushSkeletonweed
HoaryAlyssum
TansyRagwort
ScotchBroom
10
2/22/17
InvasiveInsects
GypsyMoth
InvasiveInsects
BalsamWoollyAdelgid
www.bc.gc.ca
PatrickHodge,
InvasiveInsects/Disease
WoodBorers
InvasiveFungus
MinnesotaDepartmentofNatural
Resources,Bugwood.org
EuropeanScleroderrisCanker
PatrickHodge,
AsianLongHornBeetle
PineBeetle
Septoria musiva
(hybrid)
11
2/22/17
Summary
–  Invasivespecieshaveandcanhaveserious
impactsonBC’sforests
–  Thereislegisla,oninplacethatemphasizes
invasivespeciesmanagement
–  Severalkeyac@onsthatforestmanagerscan
taketopreventintroduc/onandspreadand
containknowninfesta/ons
–  Toolsandresources/workshopsavailableto
supportISmanagement
ThankYou!
Sue Staniforth
Education & Outreach Manager
Invasive Species Council of BC
Email: [email protected]
Phone: 250-655-6300
Web: www.bcinvasives.ca
Discussion and Questions!
B. Grutzmacher
Discussion
•  AreInvasivespeciesonyourradarat
work?
•  Ifso,why?
•  Whichspeciesarethemostprevalent/
concerning?
•  Whataresometools/resourcestodeal
withthem?
•  Needs/Wishlist?
12