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Factors controlling the seasonal variation in Phytoplankton species composition : A Case study for a deep, nutrient rich lake
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Competition and coexistence in plankton communitites
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Plankton ecology : succession in plankton communities
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ISBN: 3540513736 0387513736 3642748929 3642748902 9780387513737 9783540513735 Year: 1989 Volume: vol 1 Publisher: Berlin: Springer,

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Biologische Meereskunde
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ISBN: 3540274189 Year: 2005 Publisher: Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer Spektrum,

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In lernfreundlicher Aufbereitung und leicht verständlichem Schreibstil gibt das Lehrbuch einen grundlegenden und umfassenden Überblick über die verschiedenen Lebensräume und Lebensgemeinschaften des Meeres. Ökologische Prozesse wie Konkurrenz, Freßbeziehungen, Symbiosen und Nahrungsnetze sind ein zentrales Thema des Buches. Die einzelnen Meeresorganismen werden ebenso beschrieben wie die Systemzusammenhänge. Zahlreiche Abbildungen regen zum Lesen und Lernen an. Um das von Studierenden nachgefragte Buch auch weiterhin lieferbar halten zu können, wurde es, bis auf einige farbige Abbildungen, schwarzweiß nachgedruckt. Der Autor Ulrich Sommer ist Professor am Leibniz-Institut für Meereswissenschaften der Universität Kiel.


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Seasonal Succession of Phytoplankton in Lake Constance.
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Year: 1985 Publisher: S.l. s.n.

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Ueber die Perphydrolyse von Borsäuretrimethylester in Gegenwart von Kalium- oder Natriumtert-butylat in organischen Lösungsmitteln
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Year: 1971 Publisher: Berlin [s.n.]

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Die Stellung der deutschen Seefischerei im Weltmarkt für Frostfisch
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Year: 1974 Publisher: Göttingen [s.n.]

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Die Stellung der deutschen Seefischerei im Weltmarkt für Frostfisch
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Year: 1974 Publisher: Hannover Strothe

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Freshwater and Marine Ecology
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ISBN: 303142459X Year: 2023 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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Freshwater and Marine Ecology is an introduction to the field of aquatic ecology, integrating the conceptually and methodologically widely overlapping fields of limnology and biological oceanography. It is structured like most textbooks of general ecology, leading from more elemental entities (individuals having to cope with their environment) to increasingly overarching entities, from populations over communities and ecosystems to the biogeochemistry of the entire planet and, finally, an overview over the major human impacts on the aquatic components of the earth system. The book provides examples for all major theoretical concepts of general ecology while the usual ecology textbooks have a strong terrestrial bias and rely only on few aquatic examples. This book takes the contrasting approach, motivated by the fact the fact that life originated from aquatic systems and that surface waters cover more than 70% of the Earth’s surface. The choice of studies used as examples in Freshwater and Marine Ecology provides a balanced mix of freshwater and marine studies, of field observations, experimental and modeling studies. The readers are confronted with very recent work leading to the forefront of contemporaneous research but also with classic studies which laid the foundations of theory development in the field. Freshwater and Marine Ecology is a comprehensive text ideally serving for undergraduate courses in biological oceanography, limnology, and ecology, but also for advanced students, teachers and scientists who had limited exposure to aquatic sciences and/or ecology during their studies. .

Competition and Coexistence
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ISBN: 3540433112 3642628001 3642561667 Year: 2002 Publisher: Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer,

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The question "Why are there so many species?" has puzzled ecologist for a long time. Initially, an academic question, it has gained practical interest by the recent awareness of global biodiversity loss. Species diversity in local ecosystems has always been discussed in relation to the problem of competi­ tive exclusion and the apparent contradiction between the competitive exclu­ sion principle and the overwhelming richness of species found in nature. Competition as a mechanism structuring ecological communities has never been uncontroversial. Not only its importance but even its existence have been debated. On the one extreme, some ecologists have taken competi­ tion for granted and have used it as an explanation by default if the distribu­ tion of a species was more restricted than could be explained by physiology and dispersal history. For decades, competition has been a core mechanism behind popular concepts like ecological niche, succession, limiting similarity, and character displacement, among others. For some, competition has almost become synonymous with the Darwinian "struggle for existence", although simple plausibility should tell us that organisms have to struggle against much more than competitors, e.g. predators, parasites, pathogens, and envi­ ronmental harshness.

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