9780521113342 - the arctic skua: a study of the ecology and evolution of a seabird von o'donald, peter (4 Ergebnisse)
- Softcover
Anbieter: Ria Christie Collections, Uxbridge, Vereinigtes KönigreichRia Christie Collections
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Zustand: New. In. Gillmor, Robert (illustrator).
- Softcover
Anbieter: Kennys Bookstore, Olney, MD, USAKennys Bookstore
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Zustand: New. This book describes the results of a long-term study of the ecology, evolutionary genetics and sociobiology of the Arctic Skua. Illustrator(s): Gillmor, Robert. Num Pages: 344 pages, black & white illustrations. BIC Classification: PSVW6. Category: (P) Professional & Vocational. Dimension: 229 x 152 x 20. Weight in… Grams: 510. . 2009. 1st Edition. paperback. . . . . Books ship from the US and Ireland. Gillmor, Robert (illustrator).
- Softcover
Anbieter: Revaluation Books, Exeter, Vereinigtes KönigreichRevaluation Books
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Paperback. Zustand: Brand New. 344 pages. 8.98x5.98x0.79 inches. In Stock. Gillmor, Robert (illustrator).
- Softcover
Anbieter: AHA-BUCH GmbH, Einbeck, DeutschlandAHA-BUCH GmbH
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Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - This book describes the results of a long-term study of the ecology, evolutionary genetics and sociobiology of a seabird, the Arctic Skua. This species is polymorphic: the birds show one of three, genetically different forms of plumage - pale, interm…ediate and dark. The forms vary in frequency from predominantly pale in the north to dark in the south. The study was undertaken with the aim of explaining how natural and sexual selection act to maintain all three forms of skua in its populations. The results show that natural selection for pale is balanced by sexual selection for intermediate and dark. Models derived from Darwin's theories of female choice and sexual selection in monogamous birds fit the breeding data of the Arctic Skua. Darwibn's views on sexual selection are fully confirmed. The study produced original data on breeding ecology, demography, population regulation, sexual behaviour and territoriality. A chapter on feeding ecology is also included in the book, which gives a complete and largely original account of the population ecology and sociobiology of a single species of bird. Gillmor, Robert (illustrator).
