Isotopic signatures in the otoliths of reef-associated fishes of southern Florida: Linkages between nursery grounds and coral reefs

Gerard, Trika; Malca, Estrella; Muhling, Barbara A.; Mateo, Ivan; Lamkin, John T.

doi:10.1016/j.rsma.2015.08.014

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

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Isotopic signatures in the otoliths of reef-associated fishes of southern Florida: Linkages between nursery grounds and coral reefs

2015
By Gerard, Trika ; Malca, Estrella ; Muhling, Barbara A. ; ...
Source: Regional Studies in Marine Science, 2, 95-104

[PDF-1.54 MB]

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Details:

Journal Title:

Regional Studies in Marine Science
Personal Author:

Gerard, Trika ; Malca, Estrella ; Muhling, Barbara A. ; Mateo, Ivan ; Lamkin, John T.

Gerard, Trika ; Malca, Estrella ; Muhling, Barbara A. ; Mateo, Ivan ; Lamkin, John T. Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; CoRIS (Coral Reef Information System) ; CIMAS (Cooperative Institute for Marine and Atmospheric Studies) ; SEFSC (Southeast Fisheries Science Center) ; NOS (National Ocean Service)

NMFS (National Marine Fisheries Service) ; CoRIS (Coral Reef Information System) ; CIMAS (Cooperative Institute for Marine and Atmospheric Studies) ; SEFSC (Southeast Fisheries Science Center) ; NOS (National Ocean Service) Less -
Description:

Ecologically and economically important coral reef fishes are believed to migrate to reefs from juvenile nursery areas such as sea grass and mangrove habitats. Little is known about the migration corridors that exist between nursery and coral reefs, or the timing of these migrations. This study investigated the possibility of identifying connections between juvenile nursery areas and nearby coral reef adult habitats using stable isotope analysis of the otoliths of gray snapper (Lutjanus griseus) (n= 71) and yellowtail snapper (Ocyuruschrysurus) (n=60), collected from 10 sites along the Florida Keys coral reef tract in 2003. Measurements of carbon and oxygen isotope ratios were compared to existing isotopic signatures of juvenile snapper from nursery areas around southern Florida. Data showed overlap for 13C and 18Oisotope measurements for the juvenile portion of sub-adult otoliths to isotope values for the middle and lower Florida Keys regions, thereby suggesting a migratory connection. Specific nursery habitats contributed approximately 93 % of individuals sampled for yellowtail and approximately 98 % for gray snapper to the Florida Keys coral reef tract. Results from this study indicate locally important source regions and habitats for the successful recruitment of fish to the Florida Keys coral reef tract.
Source:

Regional Studies in Marine Science, 2, 95-104
DOI:

https://doi.org/10.1016/j.rsma.2015.08.014
ISSN:

2352-4855
Format:

pdf
Publisher:

Elsevier BV
Document Type:

Journal Article
Funding:

Grant no. NA09NOS4260253
License:

https://creativecommons.org/licenses/by-nc-nd/4.0/
Rights Information:

CC BY-NC-ND
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Library
Main Document Checksum:

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urn:sha-512:486e43e5de1dac4b6543e6abfd6d410a570046c10a00bb38383f47e4237ded979c3ce9a706bd5b78afffc0a8bb70a3c45e6b930efdd0d0e8db62785ba5e8a53c
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https://repository.library.noaa.gov/view/noaa/67651/noaa_67651_DS1.pdf
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Isotopic signatures in the otoliths of reef-associated fishes of southern Florida: Linkages between nursery grounds and coral reefs

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