Overview

environmental variables are estimated and then applied to fossil assemblages under the assumption Plant and animal remains are often found well that the biota is in equilibrium with concurring preserved and in large quantities as fossils in lake environmental conditions. We have used fossil pollen sedimentary deposits. The composition of the fossil assemblages to reconstruct changes in past mean July assemblages, the biological proxies, can be used to air temperatures and changes in mean annual prec- infer environmental conditions at the time of de- itation (Birks & Birks, 2003). Plant macrofossils were sition. This is based on the uniformitarian assumption used to con?rm and to give more robust interpre- that particular species assemblages of the past have tions about past vegetation and climate than the been shaped by speci?c sets of environmental pollen evidence alone (Birks & Birks, 2000) and has conditions, and that these conditions are re?ected been widely used to con?rm the local presence of tree by the same species assemblages today (Rymer, species in studies of past tree-lines (Barnekow, 2000; 1978; Birks & Birks, 1980). Different proxies used to Bjune, 2005; Eide et al. , 2006). Chironomids (n- reconstruct past environmental conditions have in- biting midges) were used to infer past mean July air vidual strengths and weaknesses.

Full Product Details

Author:   John E. Brittain ,  Reidar Borgstrøm
Publisher:   Springer
Imprint:   Springer
Edition:   2010 ed.
Volume:   211
Weight:   0.296kg
ISBN:  

9789401781992

ISBN 10:   9401781990
Pages:   126
Publication Date:   19 October 2014
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
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Table of Contents

Preface John E. Brittain and Reidar Borgstrøm The Norwegian reference lake ecosystem, Øvre Heimdalsvatn John E. Brittain and Reidar Borgstrøm Holocene climate and environmental history of Brurskardstjørni, a lake in the catchment of Øvre Heimdalsvatn, south-central Norway Gaute Velle, Anne E. Bjune, Jorunn Larsen and H. John B. Birks The development of new algorithms for remote sensing of snow conditions based on data from the catchment of Øvre Heimdalsvatn and the vicinity Rune Solberg, Hans Koren, Jostein Amlien, Eirik Malnes, Dagrun Vikhamar Schuler and Nils Kristian Orthe Long-term trends in water temperature and ice cover in the subalpine lake, Øvre Heimdalsvatn, and nearby lakes and rivers Ånund Sigurd Kvambekk and Kjetil Melvold Between-year variations in the development of crustacean zooplankton in the Norwegian subalpine lake, Øvre Heimdalsvatn Petter Larsson, Heidi Hansen and Linda Kristin Bjørnstad Helland Long-term changes in the littoral benthos of a Norwegian subalpine lake following the introduction of the European minnow (Phoxinus phoxinus) Frode Næstad and John E. Brittain The brown trout (Salmo trutta) in the lake, Øvre Heimdalsvatn: long-term changes in population dynamics due to exploitation and the invasive species, European minnow (Phoxinus phoxinus) Reidar Borgstrøm, Jon Museth and John E. Brittain Diet overlap between introduced European minnow (Phoxinus phoxinus) and young brown trout (Salmo trutta) in the lake, Øvre Heimdalsvatn: a result of abundant resources or forced niche overlap? Jon Museth, Reidar Borgstrøm and John E. Brittain A long-term study of catchment inputs of 137Cs to a subalpine lake in the form of allochthonous terrestrial plant material John E. Brittain and Helge E. Bjørnstad Long-term trends and variation in 137Cs activity concentrations in brown trout (Salmo trutta) from Øvre Heimdalsvatn, a Norwegian subalpine lake John E. Brittain and Jan Egil Gjerseth The importance ofsize and growth rate in determining mercury concentrations in European minnow (Phoxinus phoxinus) and brown trout (Salmo trutta) in the subalpine lake, Øvre Heimdalsvatn Marthe T. Solhaug Jenssen, Reidar Borgstrøm, Brit Salbu and Bjørn Olav Rosseland

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