Table 5

Measures of genetic diversity through time in each of the four lakes

H

π

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1987

Apoyo

0.962 ± 0.040

0.004 ± 0.002

0.390 ± 0.221

Xiloa

0.909 ± 0.037

0.003 ± 0.002

0.309 ± 0.182

Masaya

0.952 ± 0.096

0.003 ± 0.002

0.412 ± 0.235

Nicaragua

0.974 ± 0.025

0.006 ± 0.004

0.460 ± 0.255

2001

Apoyo

0.502 ± 0.099

0.001 ± 0.001

0.453 ± 0.249

Xiloa

0.477 ± 0.134

0.002 ± 0.001

0.489 ± 0.276

Masaya

0.787 ± 0.042

0.004 ± 0.002

0.498 ± 0.271

Nicaragua

0.843 ± 0.044

0.005 ± 0.003

0.580 ± 0.309

2003

Apoyo

0.839 ± 0.041

0.002 ± 0.002

0.557 ± 0.298

Xiloa

0.840 ± 0.040

0.002 ± 0.001

0.619 ± 0.328

Masaya

0.850 ± 0.038

0.003 ± 0.002

0.678 ± 0.356

Nicaragua

0.975 ± 0.014

0.005 ± 0.003

0.742 ± 0.388

All Pooled

Apoyo

0.771 ± 0.040

0.002 ± 0.001

0.510 ± 0.274

Xiloa

0.870 ± 0.022

0.002 ± 0.001

0.433 ± 0.238

Masaya

0.863 ± 0.021

0.003 ± 0.002

0.585 ± 0.310

Nicaragua

0.926 ± 0.019

0.005 ± 0.003

0.554 ± 0.296


Measures for mtDNA are haplotype diversity (H) and nucleotide diversity (π; Nei, 1987). Also, the average gene diversity (

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) as estimated from microsatellite allelic diversity is given. All values are ± standard deviations. Significance of differences within lakes through time and between lakes in each time period are shown in Table 6 for mtDNA. For microsatellites, the only significant difference for

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(p < 0.05) within time-samples was between lakes Xiloa and Nicaragua in 1987.

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was only significantly greater (p < 0.05) in Lake Apoyo when comparing 1987 and 2003, in Lake Xiloa between 1987 and 2003, in Lake Masaya between 1987 and 2003 and 2001 and 2003, and in Lake Nicaragua between 1987 and 2003 and 2001 and 2003.

Bunje et al. BMC Evolutionary Biology 2007 7:25   doi:10.1186/1471-2148-7-25

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