Titlebook: Diel Vertical Migration of Zooplankton in Lakes and Oceans; causal explanations Joop Ringelberg Book 2010 Springer Science+Business Media

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Cyclothymie: Melancholie und Maniecharacteristic on land. In woods, savannahs, tundras, mountains and even deserts, the multitude of forms and colours provide an overwhelming array of optical stimuli. Physiological selection prevents overloading and only the species-specific crucial items that provide the cues for orientation, food

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Disziplinen der Nervenheilkundeltimate, evolutionary aspects. This also holds for investigators of diel vertical migration (DVM). Since we know that many migrations are strategies to avoid predation by visually hunting planktivores fish, research was stimulated and a large number of papers appeared. However, without a mechanistic

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Affektive Psychosen: Melancholie und Maniebiological property and a physicochemical factor is often poor. Some “holists” blame the reductionist method of analysis because the organism as a “whole” experiences an interactive combination of environmental factors. Not the unspecific environment but the species-specific “Wirkwelt” and “M?rkwelt

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https://doi.org/10.1007/978-3-662-09550-8 a . in the middle of the ocean, even for a . in the middle of a lake, it is without sense to swim 10 m to the left or to the right or in whatever horizontal direction. On the other hand, orientation in the vertical plane is of paramount importance, otherwise there would be no diel vertical migratio

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Sogenannte Involutionspsychosens, few sample times and depths. Therefore, most papers are rather anecdotal, lacking sufficient details to get insight into temporal development and underlying mechanisms. The few studies made during a greater part of a season have contributed more to our understanding. I therefore focussed on two d

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