Phillips, C. (1997). The conservation of sperm whales. Bull. Kon. Belg. Inst. Natuurwet. Biologie 67(suppl.): 57-60
In: Bulletin van het Koninklijk Belgisch Instituut voor Natuurwetenschappen. Biologie = Bulletin de l'Institut Royal des Sciences Naturelles de Belgique. Biologie. Koninklijk Belgisch Instituut voor Natuurwetenschappen: Bruxelles. ISSN 0374-6429
Also appears in:
Jacques, G.; Lambertsen, R.H. (Ed.) (1997). Potvissterfte in de Noordzee: wetenschap en beheer = Sperm whale deaths in the North Sea: science and management. Bulletin van het Koninklijk Belgisch Instituut voor Natuurwetenschappen. Biologie = Bulletin de l'Institut Royal des Sciences Naturelles de Belgique. Biologie, 67(Suppl.). Koninklijk Belgisch Instituut voor Natuurwetenschappen: Brussel. 133 + synthese (dutch) pp., more
The paper discusses the world-wide distribution of sperm whales in all the deep oceans, their annual migration pattern between cooler and warmer areas, and the available very rough estimates of their population, with the ratio between the sexes distorted by whaling. Males and females display different migration patterns. The two historical periods of sperm whaling, and the International Whaling Commission's current moratorium on whaling are outlined. The rarity of sperm whale strandings on North Sea coasts, and the pressures that could be influencing changes in sperm whale migration are reviewed. The effects of marine pollution on all cetaceans, especially reduced fertility due to endocrine disruption as a threat to population levels receive particular attention.
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