Return to the Sea: The Life and Evolutionary Times of Marine

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Return to the Sea: The Life and Evolutionary Times of Marine Mammals

Return to the Sea portrays the life and evolutionary times of marine mammalsâ€”from giant whales and sea cows that originated 55 million years ago to the deep diving elephant seals and clam-eating walruses of modern times. This fascinating account of the origin of various marine mammal lineages, some extinct, others extant but threatened, is for the non-specialist. Set against a backdrop of geologic time, changing climates, and changing geography, evolution is the unifying principle that helps us to understand the present day diversity of marine mammals and their responses to environmental challenges. Annalisa Berta explains current controversies and explores patterns of change taking place today, such as shifting food webs and predator-prey relationships, habitat degradation, global warming, and the effects of humans on marine mammal communities.

Country	USA
Author	Prof. Annalisa Berta
Binding	Kindle Edition
Edition	1
EISBN	9780520951440
Format	Kindle eBook
Label	University of California Press
Manufacturer	University of California Press
NumberOfPages	224
PublicationDate	2012-04-25
Publisher	University of California Press
ReleaseDate	2012-04-27
Studio	University of California Press

Return to the Sea: The Life and Evolutionary Times of Marine Mammals