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Attenuation of ultraviolet radiation in mountain lakes: Factors controlling the among‐ and within‐lake variability
High-altitude lakes are exposed to high fluence rates of solar ultraviolet radiation (UVR; 290‐400 nm) and contain low concentrations of dissolved organic carbon (DOC). While in most lowland lakes,
Linking biochemical and elemental composition in freshwater and marine crustacean zooplankton
It can be concluded that inter- and intraspecific stoichiometric variability is a result of differences in the proportions of the main biochemical compounds.
Tracing Carbon Sources through Aquatic and Terrestrial Food Webs Using Amino Acid Stable Isotope Fingerprinting
Tracing the origin of nutrients is a fundamental goal of food web research but methodological issues associated with current research techniques such as using stable isotope ratios of bulk tissue can
Influence of nitrogen and potassium fertilization on leaf lifespan and allocation of above-ground growth in Eucalyptus plantations.
A better understanding of the physiological processes governing the leaf lifespan is necessary to improve process-based models currently used in Eucalyptus plantations.
Ecological thresholds in European alpine lakes
SUMMARY 1. Species assemblages of diatoms, rotifers, chydorids, planktonic crustaceans and chironomids were studied in 235 alpine lakes in the Alps, Pyrenees, Tatras (Western Carpathians), Retezat
Regionalisation of remote European mountain lake ecosystems according to their biota: environmental versus geographical patterns.
P> A survey of c. 350 remote high altitude and high latitude lakes from 11 different mountain regions was undertaken to explore species distribution across Europe at a scale not previously
Effects of fixation on freshwater invertebrate carbon and nitrogen isotope composition and its arithmetic correction
The effects of two commonly used preservation substances of freshwater invertebrates, ethanol and lugol, on δ13C and δ15N of various planktonic and benthic taxa were examined, finding changes in the isotopic composition were not dependent on the initial isotopy composition of each taxon, but were related with concomitantChanges in the carbon or nitrogen content.
High mountain lakes: extreme habitats and witnesses of environmental changes
Un breve resumen de los temas que hemos abordado a lo largo de poco mas de veinte anos de investigacion en los lagos de los Pirineos por parte del grupo de limnologia del Centro de Investigaciones de A lta Montana (CRAM) of the Universidad de Barcelona.
Lake Redó ecosystem response to an increasing warming the Pyrenees during the twentieth century
The ecosystem response of Lake Redó (Central Pyrenees) to fluctuations in seasonal air temperature during the last two centuries was investigated by comparison of reconstructed air temperatures with
Reticulate evolution of the Daphnia pulex complex as revealed by nuclear markers
This study shows that hybridization and introgression have played an important role in the evolution of the D. pulex complex and shows that complete lineage sorting and hybridization may obscure genetic relationships at this locus.