Ecological Archives E096-186-A2
Thomas P. Barnum, John M. Drake, Checo Colón-Gaud, Amanda T. Rugenski, Therese C. Frauendorf, Scott Connelly, Susan S. Kilham, Matt R. Whiles, Karen R. Lips, and Catherine M. Pringle . 2015. Evidence for the persistence of food web structure after amphibian extirpation in a Neotropical stream. Ecology 96:2106–2116. http://dx.doi.org/10.1890/14-1526.1
Appendix B. Diatom community abundance.
Tables B1 and B2. Mean number of diatom valves m-2 in riffles (Table 1) and pools (Table 2) pre- (2004) and post- (2009) amphibian declines.
Table B1. Riffles.
Taxa
2004
Mean (± SE)2009
Mean (± SE)Nupela
1922.80 (685.34)
6661.67 (1010.72)
Synedra
32.32 (17.67)
141.74 (40.53)
Nitzschia
89.96 (34.76)
258.78 (65.25)
Eolimna
120.94 (54.59)
341.35 (96.59)
Orthosiera
0.50 (0.50)
4.31 (2.04)
Achnanthes
211.30 (88.29)
401.37 (110.97)
Melosira
8.51 (7.43)
37.80 (20.92)
Luticola
177.18 (52.49)
330.93 (98.61)
Amphipleura
5.01 (5.01)
17.35 (7.89)
Adlafia
24.25 (12.74)
119.50 (76.97)
Rhoicosphenia
3.00 (2.50)
8.89 (4.35)
Planothidium
20.40 (10.19)
35.05 (10.84)
Frustulia
55.46 (22.78)
92.71 (31.28)
Tryblionella
42.01 (26.62)
67.23 (22.62)
Gomphonema
33.57 (13.68)
53.83 (24.28)
Placoneis
6.74 (6.20)
12.35 (5.69)
Gomphosenia
6.50 (3.25)
11.82 (6.74)
Diploneis
2.17 (1.69)
3.67 (1.91)
Rhopalodia
0.50 (0.50)
1.67 (1.67)
Navicula
530.03 (235.68)
668.41 (175.42)
Surirella
0.00 (0.00)
1.67 (1.67)
Stenoterobia
0.00 (0.00)
0.42 (0.42)
Terpsinoe
40.50 (11.87)
44.66 (13.68)
Chaempinnularia
2.50 (2.50)
3.34 (2.27)
Neidium
3.00 (2.50)
2.67 (1.89)
Achnanthidium
55.53 (28.92)
48.53 (13.84)
Pinnularia
117.54 (51.40)
99.91 (25.39)
Planothidium
18.14 (10.33)
12.77 (9.10)
Diadesmis
53.46 (31.70)
41.96 (13.09)
Fallacia
13.59 (8.18)
8.58 (3.66)
Cyclotella
6.01 (2.56)
3.83 (2.11)
Gyrosigma
45.53 (13.70)
28.87 (10.72)
Eunotia
113.74 (52.82)
55.44 (20.66)
Cocconeis
88.95 (21.98)
57.97 (13.43)
Amphora
21.29 (10.28)
2.15 (1.70)
Table B2. Pools.
Taxa
2004
Mean (± SE)2009
Mean (± SE)Terpsinoe
367.04 (112.80)
1906.07 (574.21)
Synedra
679.03 (209.78)
4858.91 (2197.04)
Nupela
52720.89 (7697.34)
110429.40 (27803.97)
Eolimna
4395.32 (941.30)
9076.62 (2257.56)
Cyclotella
0.00 (0.00)
60.93 (30.21)
Melosira
0.00 (0.00)
1731.65 (1060.39)
Frustulia
7157.30 (2682.06)
17403.08 (5994.27)
Rhoicosphenia
0.00 (0.00)
53.32 (37.28)
Surirella
27.53 (27.53)
196.43 (121.11)
Pinnularia
3106.09 (1166.24)
9682.25 (5483.23)
Navicula
19700.94 (3894.36)
31726.43 (9919.58)
Luticola
7345.41 (1500.19)
11236.54 (3515.37)
Tryblionella
972.66 (419.43)
1757.17 (735.63)
Planothidium
467.98 (96.19)
677.32 (211.09)
Diadesmis
1426.87 (384.74)
1929.27 (657.95)
Planothidium
0.00 (0.00)
8.93 (8.93)
Diploneis
169.76 (70.43)
204.36 (70.77)
Gomphosenia
385.39 (143.33)
477.34 (245.90)
Achnanthes
8607.12 (1796.71)
9603.47 (3702.97)
Amphipleura
527.62 (220.91)
620.49 (471.28)
Caloneis
128.46 (72.64)
155.99 (113.08)
Nitzschia
10639.61 (4185.86)
11405.43 (4345.11)
Neidium
128.46 (109.60)
137.02 (47.08)
Stenoterobia
2349.06 (2134.21)
2388.15 (1401.98)
Adlafia
1312.17 (492.83)
1318.05 (373.96)
Orthosiera
27.53 (27.53)
27.28 (19.83)
Chaempinnularia
233.99 (113.31)
220.89 (65.37)
Rhopalodia
59.64 (32.12)
36.46 (21.01)
Amphora
165.17 (117.51)
49.85 (31.47)
Gyrosigma
935.96 (415.08)
420.62 (129.85)
Encyonema
275.28 (220.99)
0.00 (0.00)
Fallacia
467.98 (224.95)
128.46 (57.72)
Achnanthidium
3275.84 (825.28)
1973.45 (280.38)
Eunotia
3005.15 (711.67)
1310.90 (351.15)
Placoneis
1495.69 (570.60)
239.36 (104.38)
Gomphonema
1876.50 (488.45)
517.23 (176.14)
Cocconeis
3252.90 (1030.29)
512.76 (181.26)