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  • 1
    Book
    Book
    Berlin : Springer
    Keywords: Marine biology ; Marine ecology ; Marine biology ; Marine ecology ; Lehrbuch ; Meeresbiologie ; Meeresbiologie
    Description / Table of Contents: Das Meer ist der größte Lebensraum der Erde - hier hat die Evolution der Organismen begonnen und hier findet sich auch die größte Vielfalt organismischer Baupläne. 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. TOC:1. Einleitung.- 2. Physiklische und chemische Eigenschaften des Lebensraumes Meer.- 3. Ökophysiologie I: Anpassung an abiotische Umweltfaktoren.-4. Ökophysiologie II: Ernährung und Stoffwechsel.- 5. Populationsbiologie.- 6. Marine Lebensgemeinschaften I: Plankton und Nekton.- 7. Marine Lebensgemeinschaften II: Das Benthos harter Substrate.- 8. Marine Lebensgemeinschaften III: Das Benthos der Sedimente.- 9. Die Rolle der Meeresorganismen in den Kreisläufen biogener Elemente
    Type of Medium: Book
    Pages: XX, 412 S , Ill., graph. Darst.
    Edition: 2., überarb. Aufl.
    ISBN: 9783540230571 , 3540230572
    Series Statement: Springer-Lehrbuch
    DDC: 570
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    Language: German
    Note: Literaturangaben
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  • 2
    Book
    Book
    Oxford [u.a.] : Oxford University Press
    Keywords: Limnology ; Lake ecology ; Stream ecology ; Lehrbuch ; Limnologie ; Ökologie ; Aquatisches Ökosystem ; Limnologie
    Type of Medium: Book
    Pages: IX, 324 S. , Ill., graph. Darst. , 24,5 cm
    Edition: 2. ed.
    ISBN: 9780199213931 , 9780199213924
    Uniform Title: Limnoökologie 〈engl.〉
    DDC: 577.6
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    Language: English
    Note: Literaturverz. S. 286 - 305
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  • 3
    Book
    Book
    Berlin : Springer
    Keywords: Lehrbuch ; Plankton
    Description / Table of Contents: Plankton ist die Summe der im Wasser (Meer- und Süßwasser) schwebenden Organismen pflanzlicher oder tierischer Herkunft. Da etwa 70 % der Erde mit Wasser bedeckt sind, bildet es die größte Lebensgemeinschaft der Erde. Hier ein Hochschullehrbuch vor allem über die allgemeinen Fragen (Physikalische und chemische Umwelt, Einfluß auf die Fischerei, Bedeutung für saubere Luft und Wasser, Geochemie, Populationen und ihre Vernetzungen, Grundformen der Planktonorganismen). Der Autor ist Professor am bekannten Kieler Institut für Meereskunde. Eine biologisch gut sortierte Bibliothek braucht das Buch. (3) (LK/KI: Bock)
    Type of Medium: Book
    Pages: XII, 274 S. , Ill., graph. Darst., Kt. , 24 cm
    ISBN: 9783540576761 , 3540576762
    DDC: 574.92
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    Language: German
    Note: Literaturverz. S. [259] - 265
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Oecologia 87 (1991), S. 171-179 
    ISSN: 1432-1939
    Keywords: Phytoplankton ; Zooplankton ; Microcosm Succession ; Competition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Different initial mixtures of phyto-and zooplankton from different lakes were grown under identical chemical and physical conditions in medium size (8-and 12–1) laboratory microcosm cultures until convergence of phytoplankton species composition was attained. Five such experiments with four (four experiments) or three (one experiment) microcosm cultures were run. Three experiments were performed with weak stirring which permitted sedimentary elimination of the diatoms. Two experiments were conducted with stronger stirring to prevent sedimentation. In the three “sedimentation intensive” experiments, the final phytoplankton community was composed of the filamentous chlorophyte Mougeotia thylespora together with a smaller biomass of nanoplanktic algae. In the two “sedimentation free” experiments the final phytoplankton community consisted of pennate diatoms. Both dissolved nutrient concentrations and the chemical composition of biomass suggested strong nutrient limitation of algal growth rates in the final phase of the experiments. The zooplankton communities at the end of the experiments were composed of species that were apparently unable to ingest the large, dominant algae and that presumably fed on the nanoplanktic “undergrowth” and the bacteria. There was a distinct sequence of events in all experiments: first, the large zooplankton species (Daphnia and Copepoda) were replaced by smaller ones (Chydorus, Bosmina, rotifers); second, all cultures within one experiment developed the same nutritional status (limitation by the same nutrient); and third, the taxonomic composition of phytoplankton of the different cultures within one experiment converged. The last took 7–9 weeks, with is about 2–3 times as long as the time needed in a phytoplankton competition experiment to reach the final outcome.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Oecologia 77 (1988), S. 464-467 
    ISSN: 1432-1939
    Keywords: Antarctic phytoplankton ; Competition ; Resource ratios ; Nutrients
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary An attempt was made, to test for the impact of resource competition on Antarctic marine phytoplankton. According to theory, species composition near competitive equilibrium should be determined by the ratios of limiting resources. Enrichment bioassays identified silicon and nitrogen as limiting nutrients for some of the most important phytoplankton species during early austral summer in the region near the Antarctic Peninsula. Together with the generally acknowledged limiting resource light, this gave three meaningful ratios of essential resources (Si:N, Si:light, N:light) and one ratio of substitutable resources (NO3:NH4). Phytoplankton species assemblages were found to be well separated by the ratios of the essential resources and by mixing depth. Nine out of 12 individual species were found to be separated along at least one of the gradients of resource ratios. Where comparison with competition experiments was available, predicted and realized distributions of species were compatible.
    Type of Medium: Electronic Resource
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