Essays about: "Hedströmmen"
Found 3 essays containing the word Hedströmmen.
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1. Fish sampling in lotic water : a study of the efficiency of the novel Nordic multi-mesh Stream Survey Net
University essay from SLU/Dept. Of Aquatic ResourcesAbstract : A free-flowing stream can offer several ecosystem services. Fish are one of these, and are an important resource for society, both as a food source and as a biological indicator of the water quality, which gives knowledge of the overall health of the stream. The lotic environment in fresh water streams is an important habitat for many fish species. READ MORE
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2. Barriers effect on lotic fish fauna
University essay from SLU/Dept. Of Aquatic ResourcesAbstract : Barriers in running (lotic) waters are known to have serious impacts on fish fauna that would otherwise naturally colonialize them. The two most important effects barriers have on lotic fish fauna are the blockage of fish migration routes and the reduction of water velocity. READ MORE
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3. Död ved i vatten - funktionella strukturer och dess påverkan på öring (Salmo trutta, L.)
University essay from SLU/School for Forest ManagementAbstract : The background to this work was to see if there was a connection between large woody debris (LWD) and the presence of brown trout in our Swedish forest streams. Previous researches by Degerman et al. (2004) have shown that there is a strong correlation between the amount of dead wood and the presence of brown trout. READ MORE
