Download The subalpine lake ecosystem, Øvre Heimdalsvatn, and its by John E. Brittain, Reidar Borgstrøm PDF

By John E. Brittain, Reidar Borgstrøm

This ebook summarizes examine from the in depth research of a pristine subalpine lake surroundings and its catchment over the past 50 years. a variety of themes is gifted, together with a number of precise time sequence targeting alterations in ice conceal, water temperature, zooplankton, benthos and fish. major adjustments within the lake fauna after the creation of ecu minnow into an atmosphere the place brown trout was once the only real fish species were documented. the realm got enormous radioactive fallout from the Chernobyl coincidence in 1986, and articles handle long term adjustments in radiocaesium task concentrations in allochthonous plant fabric and in fish. different themes contain palaeoecology, mercury in fish and distant sensing of catchment snows. Such long term learn is essential in a swiftly altering surroundings a result of affects of weather swap, long-range toxins and alien species. this offers an effective foundation for destiny tracking and administration of freshwater ecosystems. The ebook won't in basic terms be of curiosity to freshwater ecologists operating within the box, but additionally for managers answerable for the security and tracking of usual components. It illustrates the alterations now occurring in pristine ecosystems because of human actions and may function a supplementary textual content for classes in environmental management.

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Additional resources for The subalpine lake ecosystem, Øvre Heimdalsvatn, and its catchment: local and global changes over the last 50 years

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T. Faarlund, 1988. Postglasiale skoggrenser i sentrale sørnorske fjelltrakter. 14C-datering av subfossile furu- og bjørkerester. (Postglacial forest limits in central south Norwegian mountains. Radiocarbon datings of subfossil pine and birch specimens). Norsk geografisk Tidsskrift 42: 2–61. Armitage, P. , P. S. Cranston & L. C. V. Pinder, 1995. The Chironomidae: Biology and Ecology of Non-biting Midges. Chapman & Hall, London: 572 pp. , 2000. Holocene regional and local vegetation history and lake-level changes in the Tornetrask area, northern Sweden.

O. Dahl, M. S. Berrisford & C. Andersson, 2001. Holocene glacier fluctuations of Flatebreen and winter-precipitation changes in the Jostedalsbreen region, western Norway, based on glaciolacustrine sediment records. The Holocene 11: 267–280. , J. Bakke, S. O. Dahl, Ø. Lie & J. A. Matthews, 2008. Norwegian mountain glaciers in the past, present and future. Global and Planetary Change 60: 10–27. , 1967. The disturbance of arctic lake sediments by ‘‘bottom ice’’: a hazard for palynology. Arctic 20: 213–214.

Lake water chemistry reconstruction. In Mason, B. J. ), The Surface Waters Acidification Programme. Cambridge University Press, Cambridge: 301–313. Birks, H. , R. W. Battarbee & H. J. B. Birks, 2000. The development of the aquatic ecosystem at Kra˚kenes Lake, western Norway, during the late glacial and early Holocene – a synthesis. Journal of Paleolimnology 23: 91–114. Bjune, A. , 2005. Holocene vegetation history and tree-line changes on a north-south transect crossing major climate gradients in southern Norway – evidence from pollen and plant macrofossils in lake sediments.

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