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Species occurrence of cetaceans in Guinea, including humpback whales with southern hemisphere seasonality
Bamy, I.L.; Van Waerebeek, K.; Bah, S.S.; Dia, M.; Kaba, B.; Keita, N.; Konate, S. (2011). Species occurrence of cetaceans in Guinea, including humpback whales with southern hemisphere seasonality. Marine Biodiversity Records 3(e48): 10 pp. hdl.handle.net/10.1017/S1755267210000436
In: Marine Biodiversity Records. Cambridge University Press: Cambridge, more
Peer reviewed article  

Available in Authors 
    VLIZ: Open Repository 243181 [ OMA ]

Keywords
Author keywords
    Guinea; eastern tropical Atlantic; whales; dolphins; occurrence; by-catch; strandings; biodiversity

Authors  Top 
  • Bamy, I.L.
  • Van Waerebeek, K., more
  • Bah, S.S.
  • Dia, M.
  • Kaba, B.
  • Keita, N.
  • Konate, S.

Abstract
    An initial inventory of the dolphins and whales occurring in Guinea's coastal waters is documented primarily from specimens and photographic evidence obtained from strandings and by-catches. Seven species are fully validated, four odontocetes, Tursiops truncatus, Sousa teuszii, Stenella frontalis, Kogia breviceps and three balaenopterid whales: Balaenoptera brydei, Balaenoptera acutorostrata and Megaptera novaeangliae. Another three reported species (Globicephala macrorhynchus, Steno bredanensis and Delphinus delphis) are insufficiently supported but thought to be valid. Small cetaceans landed as by-catch and a stranded whale were used for human consumption, but no evidence of substantial takes, directed or by-catch, was found. However, concern is raised about even minimal takes of the vulnerable Atlantic humpback dolphin. The seasonal presence of three confirmed humpback whales, two strandings (July and September) and a sighting (October), is synchronous with the species' southern hemisphere wintering/breeding season in low latitudes. We hypothesize that these whales may comprise the north-westernmost range of the population that breeds/overwinters in coastal waters of the Bight of Benin, northern Gulf of Guinea.

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