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Management strategies for coral reefs are dependant on information about the spatial …


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Biology Articles » Biogeography » Meta-population structure in a coral reef fish demonstrated by genetic data on patterns of migration, extinction and re-colonisation » Figures

Figures
- Meta-population structure in a coral reef fish demonstrated by genetic data on patterns of migration, extinction and re-colonisation

mcith_1471-1.jpg Figure 1 Sampling locations of Acanthochromis polyacanthus on the Great Barrier Reef. Fish illustrations indicate the distribution and sampling of colour morphs.

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mcith_1471-2.jpg Figure 2 Isolation-by-distance in Acanthochromis polyacanthus on the Great Barrier Reef. Relationship between genetic differentiation and linear geographical distance. ΦST = 0.00051 (0.00043 - 0.00058) km + 0.41 (0.36 - 0.47).

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mcith_1471-3.jpg Figure 3 Pairwise genetic distances and asymmetric migration rates among reefs within regions. The thickness of arrows indicates the strength of genetic structure (ΦST: a – c) or rate of migration (4Nem: d – f) and the colour indicates statistical difference. For pairwise genetic distances black arrows indicate estimates significantly different from 0. For migration rates black arrows indicate that reciprocal estimates were different (95% confidence intervals of did not overlap) and grey arrows indicate that reciprocal estimates were not different (95% confidence intervals of estimates overlapped).

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mcith_1471-4.jpg Figure 4 Mismatch distributions of pairwise sequence differences in Acanthochromis polyacanthus among regions and reefs. Panels represent the mismatch frequency distribution of individual reefs (n = 15) or regions (n = 3). Location abbreviations follow Table 1.

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mcith_1471-5.jpg Figure 5 Demographic expansion parameters of Acanthochromis polyacanthus among reefs on the Great Barrier Reef. a) Expansion parameter (τ) from mismatch analysis and b) exponential growth rate (g). Location abbreviations follow Table 1.

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