题名: Distribution and Habitat Characteristics of the Indo-Pacific Humpback Dolphin (Sousa chinensis) in the Northern Beibu Gulf, China
作者: Wu, Haiping1,2; Jefferson, Thomas A.3; Peng, Chongwei1,2; Liao, Yongyan1,2; Huang, Hu1,2; Lin, Mingli4; Cheng, Zhaolong5; Liu, Mingming4; Zhang, Jingxu1,2; Li, Songhai4; Wang, Ding5; Xu, Youhou1,2; Huang, Shiang-Lin1,6
刊名: AQUATIC MAMMALS
出版日期: 2017
卷号: 43, 期号:2, 页码:219-228
关键词: habitat characteristics ; distribution ; oceanography ; bathymetry ; chlorophyll-a ; kernel density estimate ; MODIS
英文摘要: Studies on the distribution and habitat characteristics of the Indo-Pacific humpback dolphin (Sousa chinensis) indicate a general preference toward estuarine environments. However, quantitative connections between this preference and estuarine characteristics are seldom investigated. Distribution of the humpback dolphin in the northern Beibu Gulf, China, was evaluated through systematically designed surveys and was compared to oceanographic characteristics from on-board measured and remotely sensed variables. The humpback dolphins' core distribution zone, measured by the 50% kernel density estimate (50% KDE), was confined to the Dafengjiang River Estuary in a 50.23 km(2) area, with a steep-edged underwater sand bar below and locally high chlorophyll-a concentration. The surface salinity distribution showed an eco-cline environment in which riverine runoff mixes with sea water in the 50% KDE. We found significant relationships between distribution probability and two oceanographic variables: (1) water depth and (2) chlorophyll-a concentration. This associates the distribution preference of humpback dolphins with regional productivity and biodiversity peaks that may facilitate prey aggregation. As humpback dolphins inhabit comparable environments in other locations throughout their range, the oceanographic features of the 50% KDE may help to provide proxies to identify other key habitats over a broader spatial scale.
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Marine & Freshwater Biology ; Zoology
关键词[WOS]: BOTTLE-NOSED DOLPHINS ; EASTERN TAIWAN STRAIT ; PEARL RIVER ESTUARY ; PROTECTED AREAS ; HONG-KONG ; POPULATION ; CONSERVATION ; PATTERNS ; PREFERENCES ; MANAGEMENT
收录类别: SCI
语种: 英语
WOS记录号: WOS:000397597200012
Citation statistics:
内容类型: 期刊论文
URI标识: [http://ir.idsse.ac.cn/handle/183446/1826]  
Appears in Collections:深海科学与工程研究所_深海科学研究部_深海生物学研究室_海洋哺乳动物与海洋生物声学研究组_期刊论文


作者单位: 1.Guangxi Key Lab Beibu Gulf Marine Biodivers Conse, Qinzhou 535000, Guangxi Provinc, Peoples R China
2.Qinzhou Univ, Coll Ocean, Dept Marine Sci, Qinzhou 535000, Guangxi Provinc, Peoples R China
3.Clymene Enterprises, Lakeside, CA 92040 USA
4.Chinese Acad Sci, Sanya Inst Deep Sea Sci & Engn, Marine Mammal & Marine Bioacoust Lab, Sanya 572000, Hainan, Peoples R China
5.Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China
6.Shantou Univ, Coll Sci, Shantou 515063, Guangdong, Peoples R China
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