Essays about: "Esox Lucius"
Showing result 1 - 5 of 24 essays containing the words Esox Lucius.
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1. Human Exposure to Per- and Polyfluoroalkyl : Substances through Fish Consumption
University essay from Örebro universitet/Institutionen för naturvetenskap och teknikAbstract : Human exposure to per- and poly-fluoroalkyl substances (PFAS) occurs mainly through two pathways, inhalation and ingestion. Dietary exposure to persistent organic pollutants (POPs), including PFAS, is driven mainly by the consumption of foods of marine or terrestrial animal origin. READ MORE
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2. Evaluation of filter and extraction kits for eDNA-based quantification of Northern pike density
University essay from SLU/Dept. Of Aquatic ResourcesAbstract : Multi-mesh gillnets are the most common gear in Swedish fish monitoring programs. The method works for many fish species but has limitations. READ MORE
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3. Sympatric Divergence in Whitefish Dwarfs : An investigation of phenotype-environment correlations in whitefish dwarfs
University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskapAbstract : Recent studies have found populations of European Whitefish (Coregonus lavaretus) to be under the process of divergence induced by a predator (pike, Esox lucius). This has caused whitefish to diverge into similar ecotypes but in separate lakes. READ MORE
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4. Development of northern pike (Esox lucius) populations in the Baltic Sea, and potential effects of grey seal (Halichoerus grypus) predation
University essay from SLU/Dept. Of Aquatic ResourcesAbstract : Worldwide, marine mammal populations are increasing after considerable efforts to turn the downward trends caused by hunting, accidental mortality and pollution. The ecosystem effects from the increases of these top predators may be pronounced, but are in most cases poorly known. READ MORE
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5. Population dynamics of the horned grebe in constructed wetlands in Östergötland.
University essay from Linköpings universitet/Institutionen för fysik, kemi och biologiAbstract : The population size of the horned grebe, Podiceps auritus, is declining in most of the world due to loss of wetlands, deteriorating water quality and establishment of predatory fish such as pike, Esox lucius, in former fish free wetlands. The horned grebe is now globally classified as vulnerable. READ MORE