Sökning: "Sara Fish"
Visar resultat 1 - 5 av 15 uppsatser innehållade orden Sara Fish.
1. Change in uptake and transfer of zinc in the food chain when predatory fish disappear from the system
Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Institutionen för geovetenskaperSammanfattning : There is a widespread distribution of possibly toxic heavy metals, such as zinc, in aquatic ecosystems. Simultaneously aquatic food webs are changing due to declining predatory fish stocks. LÄS MER
2. Upptag av fosfor, dioxiner och DL-PCB i sjön Vättern : En studie över fritidsfisket och det kommersiella fisket av signalkräfta, röding och sik
Kandidat-uppsats, Högskolan i Skövde/Institutionen för biovetenskapSammanfattning : During the industrialization period in Sweden, the lake Vättern has been exposed to many different types of trials, in some cases it has caused damage to the lake. Emissions of various substances have affected the aquatic life directly and in the long term also man. LÄS MER
3. Changes in Swedish spruce forests since 1986 from a reindeer husbandry perspective : changes in field layer, age distribution and relative stocking level
Kandidat-uppsats, SLU/Dept. of Wildlife, Fish and Environmental StudiesSammanfattning : Loss of important reindeer habitats is an increasing concern in Sweden. The focus for loss of habitats has mainly been pine (Pinus sylvestris L.) forests and lichens. However, reindeer diets also consist of other food sources like sedges, grasses and herbs (often found in spruce forests) that will be discussed in this study. LÄS MER
4. Samhällsekonomisk lönsamhetsbedömning av miljöåtgärder vid Älvkarleby vattenkraftverk, Dalälven
Uppsats för yrkesexamina på avancerad nivå,Sammanfattning : The Swedish hydropower needs to be adapted to new legislation requiring modern environmental conditions according to the EU Water Framework Directive. A national strategy suggests how to balance the need for improved ecological status to the need of hydropower and was submitted to the Government in October 2019. LÄS MER
5. The next-generation of aquatic effect-based monitoring? : A critical review about the application,challenges and barriers with omics in field
Magister-uppsats, Linnéuniversitetet/Institutionen för biologi och miljö (BOM)Sammanfattning : Traditional water monitoring encounter limitations due to the large number of contaminants present in our waters possible giving raise to mixture effects. This thesis aimed to investigate how the emerging omics approaches (transcriptomics, proteomics and metabolomics) can be used as an effect-based monitoring approach to assess and predict adverse effects in the freshwater environment. LÄS MER