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Found 3 essays matching the above criteria.

  1. 1. Ice cover and spatial distribution of trout (Salmo trutta) in a small stream

    University essay from Karlstads universitet/Institutionen för miljö- och livsvetenskaper (from 2013)

    Author : Teemu Collin; [2018]
    Keywords : Salmo trutta; spatial distribution; effect of ice-cover; ice-cover; Öring; rumsliga utbredning; Salmo trutta; istäcke;

    Abstract : Winter has been generally considered as a bottleneck period for salmonid populations, but recent studies show it might be more context related. The purpose of this study was to examine how surface ice changes spatial distribution of juvenile one-year-old brown trout in a small boreal stream. READ MORE

  3. 2. A modeling study of the impact of climate change on temperature and oxygen profiles in three Swedish lakes

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Ida Eriksson; [2017]
    Keywords : climate change; lake modeling; MyLake; temperature; oxygen; boreal lakes; DOC; water quality; anoxia; Klimatförändringar; modellering; MyLake; temperatur; syre; DOC; vattenkvalitet; syrebrist;

    Abstract : Climate change is one the greatest environmental challenges of our time, both due to direct eectssuch as global warming but also due to the potential of the climate acting as a driver for otherenvironmental problems. This thesis aims to evaluate the impact of climate change on thermal properties and the content and distribution of dissolved oxygen in boreal lakes. READ MORE

  4. 3. Spring ice melt effect on benthic oxygen production

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Tommy Karlsson; [2015]
    Keywords : Benthic; Oxygen; Ice release; Ecology;

    Abstract : In biology, the winter season is less studied than other seasons partly due to technical and logistical difficulties. The Arctic region is undergoing rapid changes with shorter and warmer winters, shorter snow duration and considerable changes in snow and ice cover as a result. READ MORE