Systematic Review of Pinniped Sightings and Strandings Along the Pacific Coast of Colombia: Implications for Pinniped Conservation

被引:0
|
作者
Barragan-Barrera, Dalia C. [1 ,2 ]
Galvez, Casandra [3 ,4 ]
Bermudez-Rivas, Christian [5 ]
Aguirre-Tapiero, Maria del Pilar [6 ]
Avila, Isabel C. [7 ,8 ]
Arevalo-Gonzalez, Katerin [9 ]
Acosta-Pachon, Tatiana A. [3 ,10 ]
机构
[1] Pontificia Univ Javeriana, Inst Javeriano Agua, Cra 7 40-62, Bogota, Colombia
[2] R&E Ocean Community Conservat Fdn, Oakville, ON, Canada
[3] Marine Conservat Med & Ecosyst Hlth, Cientinela Mar AC, La Paz, Baja California, Mexico
[4] Inst Politecn Nacl, Ctr Interdisciplinario Ciencias Marinas CICIMAR IP, La Paz, Baja California, Mexico
[5] Ctr Invest Oceanog & Hidrog Pacifico CCCP, Direcc Gen Mantima DIMAR, Tumaco, Colombia
[6] Wildlife Conservat Soc WCS, Cra 24d 6 Oeste-10, Cali, Valle Del Cauca, Colombia
[7] Univ Valle, Grp Ecol Anim, Cali, Colombia
[8] Univ Vet Med Hannover, Inst Terr & Aquat Wildlife Res ITAW, Busum, Germany
[9] Fdn Int Nat & Sustentabil FINS, Chetmal, Quintana Roo, Mexico
[10] Univ Autonoma Baja California, Dept Acad Ciencias Marinas & Costeras, Carretera KM 5-5, La Paz 23080, Baja California, Mexico
关键词
Key Words; Otariidae; Phocidae; vagrant; range distribution; Eastern Tropical Pacific; ENSO; ICEN; SOUTHERN ELEPHANT SEALS; EASTERN TROPICAL PACIFIC; ANTARCTIC FUR SEALS; ISLA-DEL-COCO; MIROUNGA-LEONINA; ARCTOCEPHALUS-PHILIPPII; ZALOPHUS-CALIFORNIANUS; NORTHERNMOST RECORD; GALAPAGOS-ISLANDS; ATTENDANCE;
D O I
10.1578/AM.50.4.2024.284
中图分类号
Q17 [水生生物学];
学科分类号
071004 ;
摘要
Sightings of pinnipeds in Colombian waters of the Pacific Ocean have sporadically been reported since 1970. Despite the Colombian Pacific region (CPR) not being within their typical distribution range, six pinniped species-the Gal & aacute;pagos fur seal ( Arctocephalus galapagoensis ), the Gal & aacute;pagos sea lion ( Zalophus wollebaeki ), the South American fur seal ( Arctocephalus australis ), the South American sea lion ( Otaria byronia ), the Juan Fern & aacute;ndez fur seal ( Arctocephalus philippii ), and the southern elephant seal ( Mirounga leonina )-have been recorded in recent times. This study presents an overall systematic review of pinniped sightings and strandings from 1970 to 2023 along the Pacific coast of Colombia, with a total of 68 sightings of 80 individuals. Pinnipeds were recorded most often in 1998 (13 individuals), followed by 2014 (nine individuals); 1997 (eight individuals); 1983 (seven individuals); and 1993, 1996, 2015, and 2020 (with three individuals each year). Most pinniped observations correspond to vagrants-solitary, young individuals sighted on the southern coast of the Colombian Pacific, specifically in Tumaco. Some records of these species appear to be influenced by upwelling events and changes in climatic-oceanographic phenomena (ENSO episodes) in the region. Further monitoring is necessary to determine whether species presence and abundance in the CPR is a response (1) vagrant behavior of the species, (2) altered habitat use associated with bioecological changes the species populations, and/or (3) shifts in distribution ranges related to potential new habitat suitability.
引用
收藏
页码:284 / 301
页数:18
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