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Google圖書搜尋
Abundance and Distribution of Cetaceans
Steve Geelhoed
Matthieu Authier
Rémi Pigeault
Anita Gilles
Julia Carlström
Jan Haelters
Phil Hammond
Maite Louzao
Arner Rogan
Camilo Saavedra
Sine Sveegaard
António Teixeira
其他書名
Common Indicator Assessment
出版
OSPAR Commission
, 2022
URL
http://books.google.com.hk/books?id=OtgH0AEACAAJ&hl=&source=gbs_api
註釋
Harbour porpoise distribution shifted southward within the Greater North Sea. Abundance appears stable except for a decline in the Irish and Celtic Seas. Assessed populations of coastal bottlenose dolphin appear stable except for a decline in the Sado Estuary. Overall, more frequent large-scale surveys are needed for future quantitative assessment.
