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Science 1 November 2002:
Vol. 298. no. 5595, p. 919
DOI: 10.1126/science.298.5595.919f
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Nonlinear processes should be capable of producing a variety of spatiotemporal patterns in animal population dynamics, such as traveling waves, but experimental examples have been rare. Bjørnstad et al. (p. 1020; see the Perspective by Ranta et al.) report their aerial survey data from the European Alps of the long-term defoliation dynamics (covering more than four decades) of the larch budmoth, a species that exhibits extreme local cyclicity in abundance. Statistical modeling of spatiotemporal data with spatially extended theoretical models reveal the presence of regular traveling waves of budmoth outbreaks every 8 to 9 years.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)