Post-breeding migration routes of marine turtles from Bonaire and Klein Bonaire, Caribbean Netherlands

Becking, Leontine E.; Christianen, Marjolijn J. A.; Nava, Mabel; Miller, Nathaniel R.; Willis, Sue; Dam, Robert P. van

doi:10.3354/esr00733

Cited by 16 publications

(17 citation statements)

References 22 publications

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“…Our study presents key information on the BIRNM green turtle rookery, supports previous findings on spatial use from 3 other Caribbean studies , Esteban et al 2015, Becking et al 2016, and our robust SSM approach accurately quantifies time periods of migration and residency at foraging and inter-nesting sites.…”

Section: Discussionsupporting

confidence: 84%

“…Green turtle inter-nesting habitat in Dry Tortugas National Park ) and other Caribbean locations was also in near-shore, shallow waters (Lesser Antilles, Esteban et al 2015;Cayman Islands, Blumenthal et al 2006), although some exceptions have been found for turtles traveling between nesting sites and swimming through deep waters (e.g. mean depth −2940 m for 1 Cayman Islands turtle; Blumenthal et al 2006, see also Becking et al 2016). …”

Section: Discussionmentioning

confidence: 99%

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Resident areas and migrations of female green turtles nesting at Buck Island Reef National Monument, St. Croix, US Virgin Islands

Hart¹,

Iverson²,

Benscoter³

et al. 2017

Endang. Species. Res.

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Section: Discussionsupporting

confidence: 84%

Section: Discussionmentioning

confidence: 99%

Resident areas and migrations of female green turtles nesting at Buck Island Reef National Monument, St. Croix, US Virgin Islands

Hart¹,

Iverson²,

Benscoter³

et al. 2017

Endang. Species. Res.

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“…Alhoewel deze eilanden in numeriek aspect slechts een kleine bijdrage leveren aan de totale regionale populaties van de betreffende soorten, blijkt het beheer van kleine nestpopulaties juist essentieel voor de regionale bescherming van de soorten. Niet alleen in populatie-dynamische zin maar ook in genetische zin (Becking et al, 2016). Met uitzondering van Panama, vertonen de stranden van Klein Bonaire tevens de hoogste concentraties van nestende Karetschildpad en Onechte karetschildpad schildpadden in het zuidelijk Caribisch gebied (Becking et al, 2016).…”

Section: Beschrijvingunclassified

“…Niet alleen in populatie-dynamische zin maar ook in genetische zin (Becking et al, 2016). Met uitzondering van Panama, vertonen de stranden van Klein Bonaire tevens de hoogste concentraties van nestende Karetschildpad en Onechte karetschildpad schildpadden in het zuidelijk Caribisch gebied (Becking et al, 2016).…”

Section: Beschrijvingunclassified

“…Esteban et al, 2015;Becking et al, 2016) lijkt het dat de uitwisseling die tussen schildpadden van verschillende nestlocaties plaatsvindt, voldoende is om genetische diversiteit te behouden. Voorop staat echter dat deze soorten bestaan uit regionale populaties, waaraan de vele kleinere eilandelijke nestpopulaties een belangrijke bijdrage leveren.…”

Section: Minimum Grootte Duurzame Populatieunclassified

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Staat van de natuur van Caribisch Nederland 2017 : een eerste beoordeling van de staat (van instandhouding), bedreigingen en managementimplicaties van habitats en soorten in Caribisch Nederland

Debrot¹,

Henkens

Verweij

2018

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Diverse migratory strategies for a hawksbill sea turtle population

Maurer,

Seminoff,

Burford Reiskind

et al. 2024

Aquatic Conservation

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Outside of short, infrequent visits to reproductive habitats, sea turtle lifespans are largely spent in foraging areas. Supporting imperilled populations in an era of biodiversity declines and environmental change requires improvements in the understanding of foraging distributions, plus the migratory corridors that connect foraging and reproductive habitats. This study evaluates the migratory strategies and foraging geography of hawksbill sea turtles (Eretmochelys imbricata) in the Western Atlantic. The post‐nesting migrations of 22 females were tracked via satellite telemetry from Long Island, Antigua, during 2016–2019, and a state‐space model was utilized to estimate true turtle locations from Argos satellite fixes. Model output was used to characterize migratory routes and home ranges occupied during non‐migratory inter‐nesting and foraging periods. Hawksbill migrations (N = 19) resulted in displacements to foraging areas ranging 7–2300 km. Foraging geography varied considerably—whereas eight turtles remained in the immediate vicinity of Antigua and Barbuda (<30 km), there were also longer‐distance migrations (>470 km) to locations such as The Bahamas and Nicaragua. Inter‐nesting core home ranges (50% utilization distributions) ranged from 7 to 72 km2, while foraging core areas ranged from 7 to 46 km2. These results add to evidence suggesting that, broadly, post‐nesting hawksbills forage in neritic habitats throughout the Wider Caribbean, including several high‐use areas. Short displacements to foraging habitats relatively nearby to nesting beaches appear to be the most common migratory behaviour, but individuals in a single population may exhibit various migratory strategies, resulting in basin‐wide connectivity between nesting and foraging sites. Given that a single individual or nesting population may inhabit several management jurisdictions, an idealized scenario for regional hawksbill conservation would entail data sharing between managers at linked nesting areas, foraging habitats and migratory corridors such that policies to protect key habitats and mitigate human impacts are designed and evaluated based on best‐available science.

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Post-breeding migration routes of marine turtles from Bonaire and Klein Bonaire, Caribbean Netherlands

Cited by 16 publications

References 22 publications

Resident areas and migrations of female green turtles nesting at Buck Island Reef National Monument, St. Croix, US Virgin Islands

Resident areas and migrations of female green turtles nesting at Buck Island Reef National Monument, St. Croix, US Virgin Islands

Staat van de natuur van Caribisch Nederland 2017 : een eerste beoordeling van de staat (van instandhouding), bedreigingen en managementimplicaties van habitats en soorten in Caribisch Nederland

Diverse migratory strategies for a hawksbill sea turtle population

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