The role of marine reserves in the replenishment of a locally-impacted population of anemonefish on the Great Barrier Reef
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ArticleAuthors
Bonin, Mary C.Harrison, Hugo B.

Williamson, David H.
Frisch, Ashley J.
Saenz Agudelo, Pablo
Berumen, Michael L.

Jones, Geoffrey P.
KAUST Department
Biological and Environmental Sciences and Engineering (BESE) DivisionMarine Science Program
Red Sea Research Center (RSRC)
Date
2016-01-19Online Publication Date
2016-01-19Print Publication Date
2016-01Permanent link to this record
http://hdl.handle.net/10754/583495
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The development of parentage analysis to track the dispersal of juvenile offspring has given us unprecedented insight into the population dynamics of coral reef fishes. These tools now have the potential to inform fisheries management and species conservation, particularly for small fragmented populations under threat from exploitation and disturbance. In this study we resolve patterns of larval dispersal for a population of the anemonefish Amphiprion melanopus in the Keppel Islands (southern Great Barrier Reef). Habitat loss and fishing appear to have impacted this population and a network of no-take marine reserves currently protects 75% of the potential breeders. Using parentage analysis, we estimate that 21% of recruitment in the island group was generated locally, and that breeding adults living in reserves were responsible for 79% (31 out of 39) of these of locally-produced juveniles. Overall, the network of reserves was fully connected via larval dispersal; however one reserve was identified as a critical source of larvae for the island group. The population in the Keppel Islands also appears to be well-connected to other source populations at least 60 km away, given that 79% (145 out of 184) of the juveniles sampled remained unassigned in the parentage analysis. We estimated the effective size of the A. melanopus metapopulation to be 745 (582-993 95% CI) and recommend continued monitoring of its genetic status. Maintaining connectivity with populations beyond the Keppel Islands and recovery of local recruitment habitat, potentially through active restoration of host anemone populations, will be important for its long-term persistence.Citation
The role of marine reserves in the replenishment of a locally-impacted population of anemonefish on the Great Barrier Reef 2015:n/a Molecular EcologyPublisher
WileyJournal
Molecular EcologyPubMed ID
26589106Additional Links
http://doi.wiley.com/10.1111/mec.13484ae974a485f413a2113503eed53cd6c53
10.1111/mec.13484
Scopus Count
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