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Titlebook: Current Ornithology; Volume 2 Richard F. Johnston Book 1985 Plenum Press, New York 1985 Ornithologie.biology.ecology.ethology.genetics

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書(shū)目名稱(chēng)Current Ornithology
副標(biāo)題Volume 2
編輯Richard F. Johnston
視頻videohttp://file.papertrans.cn/242/241252/241252.mp4
叢書(shū)名稱(chēng)Current Ornithology
圖書(shū)封面Titlebook: Current Ornithology; Volume 2 Richard F. Johnston Book 1985 Plenum Press, New York 1985 Ornithologie.biology.ecology.ethology.genetics
描述It is not often that a century of scholarly activity breaks conveniently into halves, but ornithology of the first half of the 20th century is clearly different from that of the second half. The break actually can be marked in 1949, with the appearance of Meyer and Schuz‘s Ornithologie ais Biologische Wissenschaft. Prior to this, ornithologists had tended to speak mostly to other ornithologists, experiments (the testing of hy- potheses) were uncommon, and a concern for birds as birds was the dominant thread in our thinking. Subsequent to 1949, ornithologists have tended to become ever more professional in their pursuits and to incorporate protocols of experimental biology into their work; more importantly perhaps, they have begun to show a concern for birds as agencies for the study of biology. Many of the most satisfying of recent ornithological studies have come from reductionist research ap- proaches, and have been accomplished by specialists in such areas as biochemistry, ethology, genetics, and ecology. A great many studies routinely rely on statistical hypothesis testing, allowing us to come to conclusions unmarred by wishful thinking. Some of us are ready to tell the world t
出版日期Book 1985
關(guān)鍵詞Ornithologie; biology; ecology; ethology; genetics
版次1
doihttps://doi.org/10.1007/978-1-4613-2385-3
isbn_softcover978-1-4612-9457-3
isbn_ebook978-1-4613-2385-3
copyrightPlenum Press, New York 1985
The information of publication is updating

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Bernhard Ebbinghaus,Elias Naumann but indices of abundance are needed to track the changing mix of species’ populations associated with plant succession. Still other studies, as of trophic dynamics, require knowledge of population densities. This chapter critically assesses the suitability of various counting methods for each of th
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Wittgenstein, Mathematics and Worldasing daylengths in spring induce migratory and reproductive preparation. However, following breeding in summer when daylengths are still long, the reproductive system regresses and a complete feather molt occurs. Molting in turn is followed by metabolic and behavioral changes associated with fall m
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