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Vessel collisions with small cetaceans worldwide and with large whales in the Southern Hemisphere, an initial assessment Latin American Journal of Aquatic Mammals, 2007 (Ref: 13319)
Authors:
van Waerebeek K.Baker A.N.Félix F.Gedamke J.Iñiguez M.Sanino G.P.Secchi E.Sutaria D.van Helden A.Wang Y.
Category 1: Peer-reviewed literature

ABSTRACT: Collisions with vessels are a well-documented conservation problem for some populations of large whales (LW) in the Northern Hemisphere. Less attention has been given to incidents in the Southern Hemisphere or to small cetaceans … (SC) worldwide…

Underwater calling rates of harp and Weddell seals as a function of hydrophone location Polar Biology, 2001 (Ref: 9593)
Authors:
Terhune J.M.Addy T.C.Jones T.A.M.Burton H.R.
Category 1: Peer-reviewed literature

Stereo recordings of harp seal (Pagophilus groenlandicus) and Weddell seal (Leptonychotes weddellii) underwater vocalizations were made near breeding groups using separations between two hydrophones of 159-339 m. Within a large herd, harp seal call numbers varied slightly between channels.

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