دورية أكاديمية
Using drifting passive echolocation loggers to study harbour porpoises in tidal-stream habitats
| العنوان: | Using drifting passive echolocation loggers to study harbour porpoises in tidal-stream habitats |
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| المؤلفون: | B Wilson, S Benjamins, J Elliott |
| المصدر: | Endangered Species Research, Vol 22, Iss 2, Pp 125-143 (2013) |
| بيانات النشر: | Inter-Research, 2013. |
| سنة النشر: | 2013 |
| المجموعة: | LCC:Zoology LCC:Botany |
| مصطلحات موضوعية: | Zoology, QL1-991, Botany, QK1-989 |
| الوصف: | Moored passive acoustic detectors (e.g. C-PODs) are widely used to study harbour porpoise Phocoena phocoena distribution and relative abundance, but their use in tidal-stream habitats is complicated by the need for retrievable flow-resistant seabed fixings and the occurrence of flow-induced noise in the resultant data. In this study, we explored the use of a new method aimed at tidal-stream habitats, which are of increasing interest for marine renewable energy generation. Porpoise detectors (C-PODs) were attached to multiple drifters and repeatedly set adrift at a tidal-stream site in western Scotland during May 2010 and August 2011. Porpoise vocalisations were successfully detected under varying tidal conditions during approximately 63 h of drifting. Harbour porpoise distribution, as determined by the drifting detectors, was similar to that found using the traditional, yet more logistically intensive, visual and acoustic boat-based surveys and to an extent that found by moored C-PODs. Drifting detectors also mapped tidally driven spatiotemporal variability in ambient noise levels which could influence porpoise detection. In summary, drifters equipped with passive acoustic detectors offer a new, rapid and inexpensive tool for investigating porpoise occurrence and behaviour in tidal-stream habitats, and should be considered as part of a comprehensive marine mammal monitoring approach of these energetic environments in the context of marine renewable energy development and other industries. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 1863-5407 1613-4796 |
| Relation: | https://www.int-res.com/abstracts/esr/v22/n2/p125-143/; https://doaj.org/toc/1863-5407; https://doaj.org/toc/1613-4796 |
| DOI: | 10.3354/esr00538 |
| URL الوصول: | https://doaj.org/article/ba889b847f91462db069a2b489c7fa0a |
| رقم الأكسشن: | edsdoj.ba889b847f91462db069a2b489c7fa0a |
| قاعدة البيانات: | Directory of Open Access Journals |
| تدمد: | 18635407 16134796 |
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| DOI: | 10.3354/esr00538 |