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Journal of Animal Ecology 2003
 

Summary: Journal of Animal
Ecology 2003
72, 698­702
© 2003 British
Ecological Society
Blackwell Publishing Ltd.Oxford, UKJAEJournal of Animal Ecology0021-8790British Ecological Society, 20037 2003724
FORUM
Population-level mechanisms for reddened spectraH. R. Akçakaya, J. M. Halley & P. Inchausti
Population-level mechanisms for reddened spectra in
ecological time series
H. RESIT AKÇAKAYA, JOHN M. HALLEY* and PABLO INCHAUSTI
Applied Biomathematics, 100 North Country Road, Setauket, NY 11733, USA, *Department of Ecology, School of
Biology, Aristotle University, U.P. Box 119, 54006, Thessaloniki, Greece, e-mail: jmax@bio.auth.gr, and
Laboratoire d'Ecologie, Ecole Normale Supérieure, 46 rue d'Ulm, Paris 75005 France, e-mail:
inchausti@biologie.ens.fr
Summary
1. The temporal variability of many animal populations increases with the length of
census period. This pattern is associated with the reddened spectral colour, quantified
by the spectral exponent, which is typically around + 1.
2. We used simulation models to explore the effects of various population-level pro-

  

Source: Akçakaya, H. Resit - Department of Ecology and Evolution, SUNY at Stony Brook

 

Collections: Biology and Medicine; Environmental Sciences and Ecology