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منقطع (مزود البيانات غير فعّال مؤقتًا ولم يقدم البيانات الوصفية للسنة الماضية على الأقل)
Journal Article

مقال مجلة

The Cetaceans of Ghana, a Validated Faunal Checklist  [2010]

Van Waerebeek, K; Ofori-Danson, PK; Debrah, J;

استعراض النص الكامل

The cetaceans of Ghana and the Gulf of Guinea have, until recently, remained unstudied. Periodical monitoring of artisanal fisheries for bycatches in seven Ghanaian artisanal fishing ports and landing sites over 1996-2004 has provided photographic and specimen evidence to validate occurrence of 18 species (17 odontocetes, 1 mysticete) in a tropical, predominantly pelagic cetacean fauna. At least nine species and subspecies had not previously been documented for Ghana (with asterisk), and four species are authenticated for the first time in the Gulf of Guinea (double asterisk), i.e. Tursiops truncatus, Stenella clymene, S. longirostris longirostris*, S. attenuata, S. frontalis, Delphinus capensis capensis*, Lagenodelphis hosei, Steno bredanensis, Grampus griseus, Peponocephala electra*, Feresa attenuata**, Globicephala macrorhynchus, Orcinus orca*, Pseudorca crassidens*, Kogia sima**, Physetermacrocephalus*, Ziphius cavirostris** and Megaptera novaeangliae . Also, the limited published information on distribution, natural history and conservation status is critically reviewed for each taxon. Indications are that most species encountered off Ghana may be widely distributed in the Gulf of Guinea, most notably the long-beaked common dolphin. The vulnerable Atlantic humpback dolphin, Sousa teuszii, remains unrecorded in Ghana and neighbouring nations despite apparently suitable coastal habitat. It is suggested that localized extinction may be blamed, possibly t
he result of accumulative bycatches and disturbance. A number of other cetacean species not yet encountered could occasionally occur in Ghana’s waters, e.g. Balaenoptera brydei, Mesoplodon densirostris, Kogia breviceps, Stenella coeruleoalba and Delphinus delphis
المجلة
West African Journal of Applied Ecology
الرقم التسلسلي المعياري الدولي (ردمد) : 0855-4307

معلومات ببليوغرافية

اللغة:
English
النوع:
Journal Article
في أجريس منذ:
2018
المجلد:
15
الإصدار:
1
صفحة البداية:
49428
صفحة النهاية:
49428
الناشر:
Ecological Laboratory Unit, University of Ghana
جميع العناوين:
"The Cetaceans of Ghana, a Validated Faunal Checklist"@eng
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معلومات ببليوغرافية

اللغة:
English
النوع:
Journal Article
في أجريس منذ:
2018
المجلد:
15
الإصدار:
1
صفحة البداية:
49428
صفحة النهاية:
49428
الناشر:
Ecological Laboratory Unit, University of Ghana
جميع العناوين:
"The Cetaceans of Ghana, a Validated Faunal Checklist"@eng