Figure S2: Rarefaction Curves. The number of unique species among 8050 randomly
subsampled sequence tags from each environmental sample. See Table 1 for sample details.
400
350
300
250
200
150
100
50
0
AVB_0001_2007_08_11
AVB_0002_2007_08_18
AVB_0003_2007_08_25
PTW_0001_2009_06_29
PTW_0002_2009_06_30
PTW_0003_2009_07_07
0
480
960
1440
1920
2400
2880
3360
3840
4320
4800
5280
5760
6240
6720
7200
7680
Unique taxa (species)
Provincetown and Avalon Water Samples
PTW_0004_2009_07_12
PTW_0005_2009_07_13
Sequence tags
400
350
300
250
200
150
100
50
0
PTW_0006_2009_06_29
PTW_0007_2009_06_30
PTW_0008_2009_07_07
PTW_0009_2009_07_12
PTW_0010_2009_07_13
PTW_0011_2009_06_29
0
480
960
1440
1920
2400
2880
3360
3840
4320
4800
5280
5760
6240
6720
7200
7680
Unique taxa (species)
Provincetown Sand
400
350
300
250
200
150
100
50
0
PTW_0013_2009_07_07
PTW_0014_2009_07_12
Avalon Sand
AV081107D
AV081107W
AV081807D
AV081807W
AV082507D
AV082507W
0
480
960
1440
1920
2400
2880
3360
3840
4320
4800
5280
5760
6240
6720
7200
7680
Unique taxa (Species)
Sequence tags
PTW_0012_2009_06_30
Sequence tags