High fidelity of sea turtles to their foraging grounds revealed by satellite tracking and capture-mark-recapture: New insights for the establishment of key marine conservation areas

被引:38
|
作者
Siegwalt, Flora [1 ]
Benhamou, Simon [2 ,3 ]
Girondot, Marc [4 ]
Jeantet, Lorene [1 ]
Martin, Jordan [1 ]
Bonola, Marc [1 ]
Lelong, Pierre [1 ]
Grand, Clement [1 ]
Chambault, Philippine [5 ]
Benhalilou, Abdelwahab [6 ]
Murgale, Celine [6 ]
Maillet, Thomas [6 ]
Andreani, Lucas [6 ]
Campistron, Guilhem [6 ]
Jacaria, Francois [6 ]
Hielard, Gaelle [7 ]
Arque, Alexandre [7 ]
Etienne, Denis [8 ]
Gresser, Julie [8 ]
Regis, Sidney [1 ]
Lecerf, Nicolas [1 ]
Frouin, Cedric [1 ]
Lefebvre, Fabien [9 ]
Aubert, Nathalie [9 ]
Vedie, Fabien [8 ]
Barnerias, Cyrille [8 ]
Thieulle, Laurent [1 ]
Guimera, Christelle [1 ]
Bouaziz, Myriam [1 ]
Pinson, Adrien [10 ]
Flora, Frederic [1 ]
George, Francis [11 ]
Eggenspieler, Joffrey [11 ]
Woignier, Thierry [12 ]
Allenou, Jean-Pierre [13 ]
Louis-Jean, Laurent [14 ]
Chanteur, Benedicte [14 ]
Beranger, Christelle [14 ]
Crillon, Jessica [15 ]
Brador, Aude [15 ]
Habold, Caroline [1 ]
Le Maho, Yvon [1 ]
Robin, Jean-Patrice [1 ]
Chevallier, Damien [1 ]
机构
[1] Univ Strasbourg, CNRS, IPHC, UMR 7178, 23 Rue Becquerel, F-67000 Strasbourg, France
[2] CNRS, Ctr Ecol Fonct & Evolut, 1919 Route Mende, F-34293 Montpellier, France
[3] Cogitamus Lab, Montpellier, France
[4] Univ Paris Saclay, CNRS, AgroParisTech, Lab Ecol,Systemat,Evolut, F-91405 Orsay, France
[5] Univ Montpellier, IRD, CNRS, UMR MARBEC,IFREMER, Ave Jean Monnet, F-34200 Sete, France
[6] Assoc POEMM, 73 Lot Papayers, F-97229 La Trois Ilets, France
[7] Off Eau Martinique, 7 Ave Condorcet, F-97200 Fort De France, Martinique, France
[8] DEAL Martinique, F-97274 Pointe De Jaham, Schoelcher, France
[9] Assoc ACWAA, Rue Grand Fleur, F-97228 St Luce, France
[10] Surfrider Fdn Europe Martinique, St Luce, France
[11] ONF Int, 78 Route Moutte, F-97207 Fort De France, Martinique, France
[12] Aix Marseille Univ, Univ Avignon, CNRS, IRD,IMBE, F-13397 Marseille, France
[13] IFREMER Delegat Martinique, 79 Route Pointe Ft, F-97231 Le Robert, France
[14] PNR Martinique, Maison Parc, F-97205 Fort De France, Martinique, France
[15] Off Francais Biodiversite, Parc Nat Marin Martinique, F-97233 Schoelcher, France
关键词
Green turtle; Habitat use; Home range; Residency; Developmental area; Seagrass; IMMATURE GREEN TURTLES; CHELONIA-MYDAS; HOME-RANGE; MULTISTATE MODELS; HABITAT USE; MOVEMENT PATTERNS; LOST YEARS; JUVENILE; SURVIVAL; GROWTH;
D O I
10.1016/j.biocon.2020.108742
中图分类号
X176 [生物多样性保护];
学科分类号
090705 ;
摘要
Movement ecology studies are essential to protect highly mobile threatened species such as the green turtle (Chelonia mydas), classified as an endangered species by the IUCN. In 2019, the South Atlantic subpopulation has been downlisted to 'Least Concern', but the maintenance of this status strongly relies on the pursuit of research and conservation, especially on immatures, which contribute to the demographic renewal of this subpopulation. Identifying marine areas used by immatures is therefore crucial to implement efficient measures for the conservation of sea turtles in the Caribbean. We analysed data of capture-mark-recapture of 107 (out of 299) immatures recaptured at least once in Martinique, and satellite tracked 24 immatures to investigate their site fidelity and habitat use. Our results revealed a strong fidelity to foraging grounds, with mean residence times higher than 2 years, and with a high degree of affinity for specific areas within the coastal marine vegetation strip. Home ranges (95% kernel contour) and core areas (50% kernel contour) varied from 0.17 to 235.13 km(2) (mean +/- SD = 30.73 +/- 54.34 km(2)) and from 0.03 to 22.66 km(2) (mean +/- SD = 2.95 +/- 5.06 km(2)), respectively. Our findings shed light on a critical developmental area for immature green turtles in the French West Indies, and should help to refine Regional Management Units and reinforce the cooperative network aiming at ensuring conservation of the species at international scale.
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页数:8
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