Spatiotemporal variation in harbor porpoise distribution and foraging across a landscape of fear
Spatiotemporal variation in harbor porpoise distribution and foraging across a landscape of fear
复制标题
港湾鼠海豚分布和在恐惧景观中觅食的时空变化
DOI:
10.1111/mms.12839
复制
发表时间:
2021
影响因子:
2.3
通讯作者:
Williamson L
中科院分区:
文献类型:
--
作者:
Williamson L
Understanding spatiotemporally varying animal distributions can inform ecological understanding of species' behavior (e.g., foraging and predator/prey interactions) and support development of management and conservation measures. Data from an array of echolocation‐click detectors (C‐PODs) were analyzed using Bayesian spatiotemporal modeling to investigate spatial and temporal variation in occurrence and foraging activity of harbor porpoises (Phocoena phocoena) and how this variation was influenced by daylight and presence of bottlenose dolphins (Tursiops truncatus). The probability of occurrence of porpoises was highest on an offshore sandbank, where the proportion of detections with foraging clicks was relatively low. The porpoises' overall distribution shifted throughout the summer and autumn, likely influenced by seasonal prey availability. Probability of porpoise occurrence was lowest in areas close to the coast, where dolphin detections were highest and declined prior to dolphin detection, leading potentially to avoidance of spatiotemporal overlap between porpoises and dolphins. Increased understanding of porpoises' seasonal distribution, key foraging areas, and their relationship with competitors can shed light on management options and potential interactions with offshore industries.
登录
查看更多内容
DOI:
10.1098/rspb.2014.2429
发表时间:
2015-01-07
期刊:
Proceedings. Biological sciences
影响因子:
--
作者:
Leopold MF;Begeman L;van Bleijswijk JD;IJsseldijk LL;Witte HJ;Gröne A
通讯作者:
Gröne A
影响因子:
6.7
作者:
Daehne, Michael;Gilles, Anita;Siebert, Ursula
通讯作者:
Siebert, Ursula
影响因子:
3.5
作者:
Graham, Isla M.;Merchant, Nathan D.;Thompson, Paul M.
通讯作者:
Thompson, Paul M.
DOI:
10.1017/s0269727000009234
发表时间:
1986
期刊:
Proceedings of The Royal Society B: Biological Sciences
影响因子:
--
作者:
P. Hopkins
通讯作者:
P. Hopkins
DOI:
--
发表时间:
2013
期刊:
影响因子:
--
作者:
E. Philpott
通讯作者:
E. Philpott