Search for dissertations about: "Seston"
Showing result 1 - 5 of 12 swedish dissertations containing the word Seston.
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1. Food Quality for Zooplankton in Humic Lakes
Abstract : Food quality affects growth, reproduction and community structure of zooplankton, and has implications for nutrient cycling and the transfer of energy and matter in aquatic food chains. While the issue of food quality in clear water lakes has received great recent attention, studies on food quality for zooplankton in humic lakes are scarce. READ MORE
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2. Seston and sediment in Lake Norrviken
Abstract : .... READ MORE
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3. The Invasion of the Zebra Mussel - Effects on Phytoplankton Community Structure and Ecosystem Function
Abstract : Biological invasion has become a major threat to economy, ecology, global biodiversity and ecosystem function of aquatic ecosystems. The main aim of the thesis was to study the effects of the zebra mussel (Dreissena polymorpha), a versatile invasive species, on phytoplankton dynamics and ecosystem function of lakes. READ MORE
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4. Effects of inorganic nitrogen and organic carbon on pelagic food webs in boreal lakes
Abstract : Anthropogenic activities are increasing inorganic nitrogen (N) loadings to lakes in the northern hemisphere. In many boreal lakes phytoplankton are N limited, wherefore enhanced N input may affect the productivity of pelagic food webs. READ MORE
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5. Thiamin (vitamin B1) in the aquatic food web
Abstract : Thiamin (vitamin B1) is required for several life-sustaining processes in most organisms and cells, e.g. in the conversion of food to energy. It also serves as an antioxidant and is important for proper nerve signaling. READ MORE