Search for dissertations about: "biological contamination"
Showing result 6 - 10 of 102 swedish dissertations containing the words biological contamination.
-
6. Microalgae : future bioresource of the sea?
Abstract : Unicellular microalgae are a renewable bioresource that can meet the challenge forfood and energy in a growing world population. Using sunlight, CO2, nutrients,and water, algal cells produce biomass in the form of sugars, proteins and oils, allof which carry commercial value as food, feed and bioenergy. READ MORE
-
7. Heavy metal contamination and toxicity : Studies of Macroalgae from the Tanzanian Coast
Abstract : Concentrations of various metals are elevated above background levels in several intertidal areas along the Tanzanian coasts. However, there is little available information concerning the toxicity of these metals and how the uptake of these metals by bioindicators are influenced by external factors, such as heavy rains and increased coastal eutrophication, which tend to fluctuate. READ MORE
-
8. Eggshell thickness and levels of DDT, PCB and mercury in eggs of osprey [Pandion haliaetus (L.)] and marsh harrier [Circus aeruginosus (L.)] in relation to their breeding success and population status in Sweden
Abstract : .... READ MORE
-
9. Assessment of organochlorine contamination in the aquatic environment of Latvia with perch and heron as biomarkers
Abstract : Polychlorinated biphenyls (PCBs), DDT, DDT transformation products, and several other organochlorine substances (OCS) have been analysed in numerous species and matrices from different parts of the world including Arctic environments. However, knowledge on levels and distribution of OCS is still lacking for many regions world-wide including the Eastern Europe in general. READ MORE
-
10. Interactions between cytochrome P450 and estrogenic compounds in fish
Abstract : DISSERTATION ABSTRACT Hasselberg, Linda. Interactions between cytochrome P450 and estrogenic compounds in fish. Department of Zoophysiology, Göteborg University, Box 463, SE-405 30 Göteborg, Sweden Contamination by various pollutions is an environmental concern. READ MORE