Journal
CORAL REEFS
Volume 37, Issue 1, Pages 183-191Publisher
SPRINGER
DOI: 10.1007/s00338-017-1646-x
Keywords
Single nucleotide polymorphism (SNP); Restriction site-associated DNA sequencing (RADSeq); Population connectivity; Puerto Rico; Mesophotic coral ecosystem
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Funding
- National Oceanic and Atmospheric Administration's Center for Sponsored Coastal Ocean Research, through the Caribbean Coral Reef Institute [NA06NOS4780190]
- Puerto Rico Sea Grant Project [R-101-1-14]
- Sea Grant Puerto Rico SEED [PD-313]
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Identifying genetic connectivity and discrete population boundaries is an important objective for management of declining Caribbean reef-building corals. A double digest restriction-associated DNA sequencing protocol was utilized to generate 321 single nucleotide polymorphisms to estimate patterns of horizontal and vertical gene flow in the brooding Caribbean plate coral, Agaricia lamarcki. Individual colonies (n = 59) were sampled from eight locations throughout southwestern Puerto Rico from six shallow (similar to 10-20 m) and two mesophotic habitats (similar to 30-40 m). Descriptive summary statistics (fixation index, F (ST)), analysis of molecular variance, and analysis through landscape and ecological associations and discriminant analysis of principal components estimated high population connectivity with subtle subpopulation structure among all sampling localities.
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