Expanded mitochondrial control region sequences increase resolution of stock structure among North Atlantic loggerhead turtle rookeries

Shamblin, Brian M.; Bolten, Alan B.; Bjorndal, Karen A.; Dutton, Peter H.; Nielsen, Janne T.; Abreu-Grobois, F. Alberto; Reich, Kimberly J.; Witherington, Blair E.; Bagley, Dean A.; Ehrhart, Llewellyn M.; Tucker, Anton D.; Addison, David S.; Arenas, Alejandro; Johnson, Constance A.; Carthy, Raymond R.; Lamont, Margaret M.; Dodd, Mark G.; Gaines, Michael S.; LaCasella, Erin L.; Nairn, Campbell J.

doi:10.3354/meps09980

Cited by 63 publications

(61 citation statements)

References 43 publications

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“…However, the recovery in this study of the CC-A10.1 haplotype is very interesting because this is common only along the coasts of the Gulf of Mexico and Florida (Shamblin et al 2012) and represents the first observation of Atlantic loggerhead turtles in the Adriatic feeding ground, whereas the previous observations of Atlantic individuals into the Mediterranean Sea were made in the Tyrrhenian Sea and Lampedusa Island (Casale et al 2002;Garofalo et al 2013). This finding highlights the importance of the Adriatic Basin as a foraging area, for C. caretta not only from the mid-eastern Mediterranean rookeries, but also from Atlantic rookeries.…”

Section: Discussionmentioning

confidence: 88%

“…In detail, the vast majority of the samples analysed come from Greek rookeries (53.58%), followed by Middle-East Mediterranean (21.11%) and Libyan rookeries (5.94%). Finally, less than 1% of the individuals analysed showed the CC-A10.1 haplotype, so far detected in some Atlantic rookeries of the Gulf of Mexico and Florida (Shamblin et al 2012). …”

Section: Resultsmentioning

confidence: 99%

“…mitochondrial DNAmtDNA henceforth; Encalada et al 1998;Hatase et al 2002;Carreras et al 2007;Shamblin et al 2012;Clusa et al 2013). Specifically, the use of mtDNA has allowed the identification of genetically separate rookeries, characterised by unique haplotypes or specific haplotype frequencies.…”

Section: Introductionmentioning

confidence: 99%

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Mitochondrial DNA reveals the natal origin of Caretta caretta (Testudines: Cheloniidae) stranded or bycaught along the Southwestern Adriatic coasts

Splendiani

Fioravanti

Giovannotti

et al. 2017

The European Zoological Journal

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Section: Discussionmentioning

confidence: 88%

Section: Resultsmentioning

confidence: 99%

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Mitochondrial DNA reveals the natal origin of Caretta caretta (Testudines: Cheloniidae) stranded or bycaught along the Southwestern Adriatic coasts

Splendiani

Fioravanti

Giovannotti

et al. 2017

The European Zoological Journal

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“…In marine species with high dispersion capability, it is challenging to obtain this information due to the absence of apparent physical barriers at wide scales of distribution (Shamblin et al, 2012). In particular, sea turtles have a complex life cycle characterized by a series of ecological transitions associated with continuous movement and habitat changes throughout their different life stages (Bjorndal and Bolten, 1988;Diez et al, 2003;Chaieb et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

A New Approach to Mixed Stock Analysis that Informs on the Management and Conservation of Hawksbill in the Wider Caribbean: the Case of the Legal Fishery in Jardines del Rey, Cuba

Pérez-Bermúdez

Ruiz-Urquiola

<³

et al. 2017

ijms

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A new approach to mixed stock analysis that informs on the management and conservation of hawksbill in the wider Caribbean: the case of the legal fishery in Jardines del Rey, Cuba, International Journal of Marine Science, 7(33): 316-343 (doi: 10.5376/ijms.2017.07.0033) Abstract Researchers have used mixed stock analysis (MSA) to infer the relevance of rookeries in sea turtle aggregations for conservation/management purposes. However, their approaches and assumptions are not always homogeneous or realistic. We assayed new MSAs using the annual haplotype frequencies of aggregations and rookeries of Eretmochelys imbricata in the Wider Caribbean (WC), and the population size was selected according to the sampler year most relevant on the maturity of the aggregation. The MSA results obtained using this approach were compared with MSAs executed with grouped haplotype frequency data as has been the most common practice in the literature. The relationship of Jardines del Rey (JR) legal fishing aggregation (Cuba) to other aggregations and rookeries in the region was analyzed with data collected in 2004 to 2006 and during the 1990s. The JR non-adult fishing ground presented high genetic diversity and Mexican rookery was identified as the primary contributor using haplotypes at the 384 bp length and each MSA approach that was used, congruent with the demographic growth reported for this rookery. Using haplotypes at the 740 bp length, the primary contributor to non-adult turtles at JR differed according to the MSA approach used, alternating between Mona Island and the Mexican rookery. Jardines del Rey is a route usually taken by non-adult hawksbills of diverse origin, reflecting the need to strengthen the sampling and conservation efforts on the WC rookeries with rare or orphan haplotypes, and to warn about the impact of the fishery occurring in similar areas. Likewise, adult turtles from JR were highly diverse and from multiple origins, with this area serving as a migratory corridor for first breeders (females) to many WC breeding grounds. Caution should be employed in any MSA approach due to the influence effect of sequence length, selection of the rookery size and haplotype frequencies, as well as other assumptions that may affect the estimated contributions.

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“…In the Northwest Atlantic, loggerheads exist as five subpopulations [29] and ten management units [30,31] based on analyses of mitochondrial DNA. The five subpopulations are: 1.…”

Section: Introductionmentioning

confidence: 99%

Bahamas connection: residence areas selected by breeding female loggerheads tagged in Dry Tortugas National Park, USA

Hart

Sartain

Fujisaki

2015

Animal Biotelemetry

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Background: Delineation of home ranges, residence and foraging areas, and migration corridors is important for understanding the habitat needs for a given species. Recently, many population segments of Northwest Atlantic loggerhead sea turtles (Caretta caretta) were designated as endangered or threatened; the smallest subpopulation is in the Dry Tortugas. Foraging and residence areas for this subpopulation have not been defined outside the Gulf of Mexico. Here, for Dry Tortugas loggerheads that traveled to the Bahamas, we use a combination of switching state-space modeling (SSM) and home-range estimators to determine migration period, spatially delineate and describe residence areas, and examine inter-annual home-range repeatability.

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Expanded mitochondrial control region sequences increase resolution of stock structure among North Atlantic loggerhead turtle rookeries

Cited by 63 publications

References 43 publications

Mitochondrial DNA reveals the natal origin of Caretta caretta (Testudines: Cheloniidae) stranded or bycaught along the Southwestern Adriatic coasts

Mitochondrial DNA reveals the natal origin of Caretta caretta (Testudines: Cheloniidae) stranded or bycaught along the Southwestern Adriatic coasts

A New Approach to Mixed Stock Analysis that Informs on the Management and Conservation of Hawksbill in the Wider Caribbean: the Case of the Legal Fishery in Jardines del Rey, Cuba

Bahamas connection: residence areas selected by breeding female loggerheads tagged in Dry Tortugas National Park, USA

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