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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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书目名称Current Ornithology
副标题Volume 2
编辑Richard F. Johnston
视频video
丛书名称Current Ornithology
图书封面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
关键词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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Russell P. Dobash,Rebecca E. Dobashof a male (Mueller .., 1979; Newton and Marquiss, 1982). The first hypothesis on the functions of reversed sexual dimorphism (RSD) was probably advanced by Frederick II in the thirteenth century (Wood and Fyfe, 1943). Many hypotheses have been proposed in recent years; most have been supported only
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Christopher Buss,Benedikt Benderher taxa, and communities and the corresponding variation in their ecology. Few biologists would deny there are differences between organisms that are related to differences in their ecology. Going beyond a naive inspection of the living world and pursuing a more scientific approach to the subject m
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Bernhard Ebbinghaus,Elias Naumannbecause the syrinx is at the base of a long trachea and because its functioning is distorted if the surrounding interclavicular airsac is ruptured, direct observation of natural syringeal function has so far proved impossible. Hence, all analyses of syringeal function are based on indirect evidence.
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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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