Search for dissertations about: "phytoplankton and primary production"
Showing result 11 - 15 of 45 swedish dissertations containing the words phytoplankton and primary production.
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11. Uptake and toxicity of brominated flame retardants and pesticides : Studies on littoral organisms and model communities
Abstract : In this thesis, brackish and freshwater littoral model communities (microcosms) of varying size and complexity were used to study the effects of brominated flame retardants (BFRs) and pesticides. The brackish water microcosms consisted of natural water, sediment and associated organisms, while the larger freshwater microcosms also contained submersed macrophytes (Elodea canadensis). READ MORE
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12. Organic carbon dynamics in the Baltic Sea : A modelling perspective
Abstract : Coastal seas constitute a link between land and the open ocean, and therefore play an important role in the global carbon cycle. Large amounts of carbon, of both terrestrial and marine origin, transit and are transformed in these waters, which belong to the more productive areas of the oceans. READ MORE
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13. Grazer-induced responses in marine phytoplankton
Abstract : Phytoplankton are the most important primary producers in the world’s oceans, yet little is known of how they avoid the constant threats from the pelagic grazers. From land it is well known that plants defend themselves by having thorns or producing compounds unpalatable to grazers. READ MORE
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14. From Sea to Society - Climate Change, Microbial Community Interactions and Assessing Climate Risk on Society
Abstract : Unicellular organisms, microalgae and bacteria, less than one millimeter in size make the world go round. Phytoplankton and cyanobacteria, for example, plays an inevitable role contributing 50-85% to the world’s oxygen via photosynthesis. READ MORE
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15. Carbon and nitrogen fluxes associated to marine and estuarine phytoplankton
Abstract : Globally, mainly nitrogen or phosphorus is limiting the primary production. New nitrogen can enter estuarine ecosystems as nitrate from upwelling events, from river runoff, atmospheric deposition, or by nitrogen fixation. READ MORE