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Titlebook: Bird Migration; Physiology and Ecoph Eberhard Gwinner Conference proceedings 1990 Springer-Verlag Berlin Heidelberg 1990 Vogelflug.Vogelphy

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期刊全称Bird Migration
期刊简称Physiology and Ecoph
影响因子2023Eberhard Gwinner
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图书封面Titlebook: Bird Migration; Physiology and Ecoph Eberhard Gwinner Conference proceedings 1990 Springer-Verlag Berlin Heidelberg 1990 Vogelflug.Vogelphy
影响因子E. GWINNER! The phenomenon of bird migration with its large scale dimensions has attracted the attention of naturalists for centuries. Worldwide billions of birds leave their breeding grounds every autumn to migrate to areas with seasonally more favor­ able conditions. Many of these migrants travel only over a few hundred kilo­ meters but others cover distances equivalent to the circumference of the earth. Among these long-distance migrants are several billion birds that invade Africa every autumn from their West and Central Palaearctic breeding areas. In the Americas and in Asia the scope of bird migration is of a similar magnitude. Just as impressive as the numbers of birds are their achievements. They have to cope with the enormous energetic costs of long-distance flying. particularly while crossing oceans and deserts that do not allow replenishment of depleted fat reserves. They have to appropriately time the onset and end of migrations. both on a daily and annual basis. And finally. they have to orient their migratory movements in space to reach their species- or population-specific wintering and breeding grounds, irrespective of the variable climatic conditions along their mi
Pindex Conference proceedings 1990
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书目名称Bird Migration影响因子(影响力)




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书目名称Bird Migration被引频次学科排名




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The Orientation of Transoceanic Migrantsexceptions, are unable to replenish their energy stores at sea and, thus, must continue their flights over the water under all conditions. They cannot stop, as birds often do over land, when conditions are unfavorable.
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Selection and Use of Habitat of Wintering Migrants will focus on small migrant land birds that move from high to tropical latitudes. Therefore, the term “migrants” refers to north temperate species that winter at tropical and subtropical latitudes, and the term “residents” will refer to local, tropical, resident species.
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Kapitel: Die staatliche Verwaltung will focus on small migrant land birds that move from high to tropical latitudes. Therefore, the term “migrants” refers to north temperate species that winter at tropical and subtropical latitudes, and the term “residents” will refer to local, tropical, resident species.
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Kurzprofil wichtiger Medikamente, leave their breeding grounds every autumn to migrate to areas with seasonally more favorable conditions. Many of these migrants travel only over a few hundred kilometers but others cover distances equivalent to the circumference of the earth. Among these long-distance migrants are several billion b
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Kurzprofil wichtiger Medikamente,exceptions, are unable to replenish their energy stores at sea and, thus, must continue their flights over the water under all conditions. They cannot stop, as birds often do over land, when conditions are unfavorable.
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