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Missstände
Nahrungsnische

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互联网提供的例句(未经PONS编辑处理)
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These niches are not to be understood in a purely spatial sense rather , they comprise adaptations to abiotic factors as well as feeding preferences .
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www.zoologie.uni-rostock.de
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Die ökologischen Nischen sind dabei nicht nur räumlich zu verstehen, sondern umfassen Anpassungen an abiotische Faktoren genauso wie z.B. Nahrungspräferenzen.
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As they are fed with milk directly by the mother , they do not take any niche away from smaller species .
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www.mediadesk.uzh.ch
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Indem sie direkt von der Mutter mit Milch ernährt werden, nehmen sie kleineren Arten keine Nische weg.
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According to a study by scientists from Eawag and Bern University , this in turn can be explained by the eutrophication of Swiss lakes between 1950 and 1980 : as the bottom and deep waters of many lakes were severely oxygen-depleted during this period , deep-feeding or deep-spawning species were deprived of their ecological niche .
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www.eawag.ch
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Verantwortlich dafür war – so fanden Wissenschafter der Eawag und der Universität Bern heraus – die Überdüngung der Schweizer Seen zwischen 1950 und 1990:Weil in dieser Zeit viele Seen am Grund und im tiefen Wasser kaum noch Sauerstoff enthielten, fehlten Nischen für Spezialisten, die in grösseren Tiefen fressen oder sich fortpflanzen.
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