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Meyer, A H; Schmidt, B R; Grossenbacher, K (1998). Analysis of three amphibian populations with quarter-century long time-series. Proceedings of the Royal Society B: Biological Sciences, 265(1395):523-528.

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Amphibians are in decline in many parts of the world. Long time-series of amphibian populations are necessary to distinguish declines from the often strong £uctuations observed in natural populations. Time-series may also help to understand the causes of these declines.We analysed 23-28-year long time-series of the frog Rana temporaria. Only one of the three studied populations showed a negative trend which was probably caused by the introduction of ¢sh. Two populations appeared to be density regulated. Rainfall
had no obvious e¡ect on the population fluctuations. Whereas long-term studies of amphibian populations are valuable to document population declines, most are too short to reveal those factors that govern population dynamics or cause amphibian populations to decline.




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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Evolutionary Biology and Environmental Studies
DDC:570 Life sciences; biology
590 Animals (Zoology)
Deposited On:11 Feb 2008 12:14
Last Modified:23 Nov 2012 13:17
Publisher:Royal Society of London
Free access at:PubMed ID. An embargo period may apply.
Publisher DOI:10.1098/rspb.1998.032
Related URLs:http://www.jstor.org/stable/50824
PubMed ID:9606133

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