A form-function analysis of photon capture for seaweeds |
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Authors: | Ramus J |
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Institution: | (1) Institute of Limnology, P. O. Box 557, 751 22 Uppsala, Sweden |
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Abstract: | A large material of planktonic and semiplanktonic micro-crustaceans from various type of waters in south and central Sweden was computerized. The more frequent species were listed according to pH-preference and relation to humic content measured as mg Pt/l. Species indicating oligotrophy have their optima just below the neutral point, eurytopic ones around this level, while the eutrophic species Daphnia cucullata and D. magna were closely correlated with higher pH-levels. No really extreme pH-preference was observed. There is no link between trophic indication and the ranking list for humic content. Most planktic species occur at lower humic contents and semiplankters at higher. |
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Keywords: | Cladocera Copepoda micro-crustaceans pH limnohumic substances water colour bioindication |
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