Sperm whale population

Receive exclusive offers and updates from Oxford Academic. Sperm whale dive behavior characteristics derived from intermediate-duration archival tag data. All authors have read and approved the manuscript. Proceedings of the Royal Society B , — University of Chicago Press , pp. It does make a difference to what we do now:
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Distinctive sperm whale cultures reveal dramatic population shifts in the Galápagos

Adjusted P values are not provided. Considering the widespread distribution of Sperm Whales, observations of occasional takes in relatively small scale gillnet fisheries e. The ability of the sperm whale to respond to future selective pressures, including climate change, in the face of such reduced genetic diversity should be a focus of ongoing study. In the s and s, for example, researchers argued that reducing certain whale populations would aid stocks of krill, a ubiquitous crustacean in the Southern Ocean that is a key food source for baleen whales and other marine species. If you do not want your e-mail address released in response to a public records request, do not send electronic mail to this entity. Important note for site admins:
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Rebounding whale populations are good for ocean ecosystems | Science | AAAS

Their head looks very much like an alligator's. Humpbacks are still recovering from long-term whaling losses, with some populations showing more progress than others. How to contact the news team. There may be a couple of reasons for this. Endangered Whales of the World The mammalian order Cetacea contains more than 70 species of whales and dolphins.
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The unique duplication of sperm whale CASP3 is shown above the phylogeny and marked by an asterisk. Across 16 units, the number of adults decreased in 12 units, increased in two, and showed no change in two. Our analyses indicate a population under threat, perhaps in crisis. Related stories and links From nature. Journal of Cetacean Research and Management 9 2:
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