Table 6 |
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|
Female life history traits for Poecilia mexicana from three different habitat types, sampled before and after the 2007 flood (Means ± S.E.). |
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|
Population |
Sampling |
SL [mm] |
Female lean weight [g]a |
Female fat content [%]a |
Fecunditya |
Embryo dry weight [mg]b |
Embryo fat content [%]b |
Reproductive allocation [%]b,c |
|
|
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|
CA (toxic cave) |
pre-flood (N = 16) |
35.94 ± 1.26 |
0.19 ± 0.02 |
6.07 ± 0.91 |
3.83 ± 1.69 |
8.17 ± 0.36 |
16.97 ± 1.01 |
12.51 ± 1.17 |
|
post-flood (N = 21) |
37.76 ± 0.91 |
0.19 ± 0.01 |
6.29 ± 0.80 |
3.88 ± 1.48 |
8.17 ± 0.31 |
14.55 ± 0.87 |
14.69 ± 1.02 |
|
|
EAI (toxic surface) |
pre-flood (N = 8) |
30.00 ± 0.71 |
0.29 ± 0.02 |
5.34 ± 1.36 |
11.59 ± 2.51 |
5.29 ± 0.53 |
22.12 ± 1.50 |
10.32 ± 1.74 |
|
post-flood (N = 19) |
32.05 ± 1.15 |
0.28 ± 0.02 |
1.79 ± 0.89 |
12.41 ± 1.64 |
4.46 ± 0.35 |
16.32 ± 0.97 |
13.84 ± 1.13 |
|
|
RA (benign surface) |
pre-flood (N = 25) |
33.84 ± 0.71 |
0.23 ± 0.01 |
13.54 ± 0.75 |
13.23 ± 1.38 |
2.61 ± 0.29 |
23.33 ± 0.82 |
10.89 ± 0.95 |
|
AB (benign surface) |
post-flood (N = 37) |
42.84 ± 1.33 |
0.28 ± 0.01 |
7.43 ± 0.69 |
21.84 ± 1.27 |
3.75 ± 0.27 |
19.30 ± 0.75 |
20.29 ± 0.87 |
|
|
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|
a Estimated marginal means from a GLM with SL as a covariate. b Estimated marginal means from a GLM with SL and Embryo Stage as covariates. c Reproductive allocation: Proportion of total dry weight which consists of developing embryos. |
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|
Plath et al. BMC Evolutionary Biology 2010 10:256 doi:10.1186/1471-2148-10-256 |
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