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题名: Investigating the spatiotemporal variation of fish choruses to help identify important foraging habitat for Indo-Pacific humpback dolphins, Sousa chinensis
作者: Pine, Matthew K.1, 2; Wang, Ding1; Porter, Lindsay3; Wang, Kexiong1
关键词: Acoustics ; China ; Indo-Pacific humpback dolphin ; Fish ; Passive acoustic monitoring ; Pearl River Estuary ; Sousa chinensis
刊名: ICES JOURNAL OF MARINE SCIENCE
发表日期: 2018-03-01
DOI: 10.1093/icesjms/fsx197
卷: 75, 期:2, 页:510-518
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
类目[WOS]: Fisheries ; Marine & Freshwater Biology ; Oceanography
研究领域[WOS]: Fisheries ; Marine & Freshwater Biology ; Oceanography
英文摘要: Given the common physical overlapping between coastal developments and important marine mammal habitats, there is a need to identify potentially important foraging grounds for dolphins when informing marine spatial planning and management of underwater noise. Hydrophones were deployed at four locations either side of the mainland China-Hong Kong Special Administrative Region border to monitor the presence of soniferous fishes; a key prey item for Indo-Pacific humpback dolphins. Five distinct chorus-types were identified; each showing spatiotemporal variability. Each chorus-type was assumed to represent a separate species. Chorus-type diversity also differed between sites, with SP4 and SP5 types only being detected within Hong Kong waters where bottom trawling is illegal. Chorus-type SP1 was only detected at the recording sites in mainland Chinese waters. Call rates and chorus duration were highest during the spring and summer months. Given these dolphins show a predator-prey relationship, these data provide new information on the local fish communities at a much finer-scale than fish landing records and a baseline of fish activity in an environment that is challenging to explore. Overlaid with acoustic detections of foraging dolphins, these data form a basis for identifying potentially important foraging habitats that should be afforded the highest priority for protection.
关键词[WOS]: CYNOSCION REGALIS ; HONG-KONG ; COMMUNITIES ; POPULATION ; SOUNDSCAPE ; SCIAENIDAE ; WEAKFISH ; MUSCLES ; HADDOCK ; ESTUARY
语种: 英语
项目资助者: Administration of Ocean and Fisheries of Guangdong Province ; Administration of Guangdong Zhujiang Estuary Chinese White Dolphin Nature Reserve ; China Ministry of Agriculture ; National Science Foundation of China
WOS记录号: WOS:000429491500006
ISSN号: 1054-3139
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/50929
Appears in Collections:水生生物多样性与资源保护研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan, Hubei, Peoples R China
2.Univ Victoria, Dept Biol, Victoria, BC, Canada
3.St Andrews Univ, Sea Mammal Res Unit Hong Kong, Hong Kong, Hong Kong, Peoples R China
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