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  • 2000-2004
  • 1985-1989  (5)
  • 1985  (5)
  • 1
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    ASLO (Association for the Sciences of Limnology and Oceanography)
    In:  Limnology and Oceanography, 30 . pp. 335-346.
    Publication Date: 2018-06-06
    Description: Chemostat competition experiments with natural phytoplankton communities are compared to experiments in which either one (phosphorus) or two (phosphorus and silicon) key nutrients were added discontinuously at l-week intervals. In all types of experiments wide ranges of Si:P ratios were tested. Deviation from steady state was found not only to increase the number of coexisting species, but also to shift the regions of dominance of species and of higher taxa along the gradient of Si:P ratios. Pulsed nutrient addition was mainly to the advantage of green algae and to the disadvantage of diatoms.
    Type: Article , PeerReviewed
    Format: text
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  • 2
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    American Institute of Biological Sciences | Oxford Univ. Press
    In:  BioScience, 5 . pp. 351-357.
    Publication Date: 2020-06-16
    Description: In Lake Constance, the phytoplankton growth season starts when stratification begins in spring. Initially, maximum growth rates are favored; later, as the water column stabilizes, zooplankton grazing and competition for nutrients become the dominant selective forces. When the mixing depth increases in autumn, algae that can tolerate low light are selected for. Temperature and sedimentation turn out to be less important in succession than traditionally assumed.
    Type: Article , PeerReviewed
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  • 3
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    ASLO (Association for the Sciences of Limnology and Oceanography)
    In:  Limnology and Oceanography, 30 . pp. 893-897.
    Publication Date: 2018-06-06
    Description: Growth rates of Rhodomonas minuta v. nannoplanctica and Cryptomonas ovata were estimated by determining the fraction of cells undergoing cell division during 24 h. Acetocarmine was very useful for identifying stages of division (especially double nuclei). Division stages of R. minuta were found in Lake Constance during the night over a period of 16 or 17 h, of C. ovata over almost the entire 24-h cycle. A comparison of potential growth rates with observed changes in population density indicates that the higher temporal variability of loss rates is more influential for changes in population size
    Type: Article , PeerReviewed
    Format: text
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  • 4
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    ASLO (Association for the Sciences of Limnology and Oceanography)
    In:  Limnology and Oceanography, 30 . pp. 436-440.
    Publication Date: 2018-05-29
    Type: Article , PeerReviewed
    Format: text
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  • 5
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    Marine Science Institute, Univ. of Texas
    In:  In: Migration: mechanisms and adaptive significance : proceedings of a symposium held 30 October to 2 November 1983 at the University of Texas Marine Science Institute at Port Aransas, Texas. , ed. by Rankin, M. A. Contributions in marine science, 27, Suppl. . Marine Science Institute, Univ. of Texas, Port Aransan, Tx., pp. 155-166.
    Publication Date: 2012-03-28
    Type: Book chapter , NonPeerReviewed
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