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References (2)
-
C. Auer (2009)
Erste Ergebnisse einfacher stochastischer Modelluntersuchungen über die Ursachen der Populationsbewegung des grauen Lärchenwicklers Zeiraphera diniana, Gn. (=Z. griseana Hb.) im Oberengadin, 1949/66Journal of Applied Entomology, 62
-
G. Varley, G. Gradwell (1970)
Recent Advances in Insect Population DynamicsAnnual Review of Entomology, 15
- Publisher
- Wiley
- Copyright
- Copyright © 1972 Wiley Subscription Services, Inc., A Wiley Company
- ISSN
- 0931-2048
- eISSN
- 1439-0418
- DOI
- 10.1111/j.1439-0418.1972.tb02143.x
- Publisher site
- See Article on Publisher Site
Abstract
Reflections on mathematic statistical population models. Mathematic statistical population models are always established for certain, clearly determined purposes. The model of Auer (1968) on the grey larch bud moth should show whether or not single “key factors” are responsible for the observed cyclic population fluctuations. The goodness of fit between calculated and observed population fluctuations is very high (r2 = 0.975). The stability of the observed gradation cycles seems not to be warranted by any single key factor, but by the cooperation of several regulating factors which, however, have different biological and thus mathematical.
Journal
Journal of Applied Entomology – Wiley
Published: Dec 12, 1972