Vertical and horizontal movements of a silvertip shark (Carcharhinus albimarginatus) in the Fijian archipelago
| Autor: | Lucy A. Howey, Emily R. Tolentino, Mark E. Bond, Sangeeta Mangubhai |
|---|---|
| Jazyk: | angličtina |
| Předmět: |
geography
geography.geographical_feature_category biology Computer Networks and Communications Range (biology) Pelagic zone Carcharhinus albimarginatus biology.organism_classification Fishery Longline fishing Oceanography Habitat Signal Processing Archipelago Animal Science and Zoology Instrumentation Reef Diel vertical migration |
| Zdroj: | Animal Biotelemetry. 3(1) |
| ISSN: | 2050-3385 |
| DOI: | 10.1186/s40317-015-0055-6 |
| Popis: | Despite widespread distribution and occurrence in the global shark fin trade, information regarding fundamental biology of the silvertip shark, especially vertical and horizontal movement data, is sparse. Its habitat-faithful nature, confined geographical populations, and life history suggest silvertip sharks are vulnerable to overexploitation, particularly in heavily longlined regions with limited offshore management, such as the Fijian archipelago. Satellite telemetry identified diel depth, temperature, and vertical habitat use differences, previously unreported, in a tracked individual. Although the individual occupied shallower mean depths at night, nighttime excursions below 200 m were recorded. Net displacement from tagging location was estimated |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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