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Griffiths, Sarah M.; Butler, Mark J.; Behringer, Donald C.; Pérez, Thierry; Preziosi, Richard F.. |
Understanding population genetic structure can help us to infer dispersal patterns, predict population resilience and design effective management strategies. For sessile species with limited dispersal, this is especially pertinent because genetic diversity and connectivity are key aspects of their resilience to environmental stressors. Here, we describe the population structure of Ircinia campana, a common Caribbean sponge subject to mass mortalities and disease. Microsatellites were used to genotype 440 individuals from 19 sites throughout the Greater Caribbean. We found strong genetic structure across the region, and significant isolation by distance across the Lesser Antilles, highlighting the influence of limited larval dispersal. We also observed... |
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Ano: 2021 |
URL: https://archimer.ifremer.fr/doc/00641/75333/75996.pdf |
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Griffiths, Sarah M.; Taylor-cox, Evelyn D.; Behringer, Donald C.; Butler, Mark J.; Preziosi, Richard F.. |
Genetic tools can have a key role in informing conservation management of declining populations. Genetic diversity is an important determinant of population fitness and resilience, and can require careful management to ensure sufficient variation is present. In addition, population genetics data reveal patterns of connectivity and gene flow between locations, enabling mangers to predict recovery and resilience, identify areas of local adaptation, and generate restoration plans. Here, we demonstrate a conservation genetics approach to inform restoration and management of the loggerhead sponge (Spheciospongia vesparium) in the Florida Keys, USA. This species is a dominant, habitat-forming component of marine ecosystems in the Caribbean region, but in Florida... |
Tipo: Text |
Palavras-chave: Caribbean; Conservation; Florida Keys; Loggerhead sponge; Porifera; Spheciospongia vesparium. |
Ano: 2020 |
URL: https://archimer.ifremer.fr/doc/00646/75824/76794.pdf |
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