The influence of trophic status and large-scale climatic change on the structure of fish communities in Perialpine lakes.

ABSTRACT: 1. A recurrent question in ecology is the influence of environmental factors, particularly nutrients and climatic variables, on community structure and functioning, and their interaction with internal community processes (e.g. competition). 2. Perialpine lakes have been subject to two main kinds of human-induced changes over the last 50 years: eutrophication-reoligotrophication, represented by lake-specific changes in total phosphorus concentration (TP), and long-term global climatic change, captured by average winter temperature (AWT). 3. Changes in fish communities (abundance of seven species from fishery data) in 11 Perialpine lakes during 31 years (1970-2000) were investigated in relation to variation in TP and AWT using models incorporating the effects of fish maturation age, and pote

SUBMITTER: Massol F 

PROVIDER: S-EPMC2527535 | biostudies-literature | 2007 May

REPOSITORIES: biostudies-literature