NDLI: Complex Dynamics of Mason Pine Caterpillar, Dendrolimus punctatus (Lepidoptera: Lasiocampidae) Populations

Content Provider	IEEE Xplore Digital Library
Author	Zhen Zhang Dianmo Li Guangji Zha
Copyright Year	2008
Description	Author affiliation: Res. Inst. of Forestry Ecology, Environ. & Protection, Chinese Acad. of Forestry, Beijing (Zhen Zhang) \|\| Inst. of Zoology, Chinese Acad. of Sci., Beijing (Dianmo Li) \|\| Jinsishan forest farm, Anqing (Guangji Zha)
Abstract	We detected the existence of chaotic behavior in mason pine caterpillar (MPC) populations using response surface methods. We found that a small noise made the local Lyapunov Exponents fluctuated above zero, though all estimated Global Lyapunov Exponents were negative and the local Lyapunov Exponents were fluctuated below zero without the noise. This implies that noise could play an important role on the population dynamics and causes in the system. The simulation result showed the damped oscillation or limited cycle. The population dynamics of year-to-year time series damped quickly to the equilibrium while that of generation to generation time series ran relatively slowly to the equilibrium. The temporal pattern of MPC may vary at different temporal and spatial scales. Population dynamics are more relatively irregular and erratic at smaller scales. For the management of MPC most important prediction is at the beginning of the outbreak. Because of possible chaotic dynamics and first order density dependent, continuous monitoring is needed. The prediction for the next generation should be most reliable.
Starting Page	622
Ending Page	629
File Size	524174
Page Count	8
File Format	PDF
ISBN	9780769533049
DOI	10.1109/ICNC.2008.800
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Chaos Fluctuations Dendrolimus punctatus chaos Zoology nonlinear time-series modeling Environmental factors Response surface methodology population dynamics Radio access networks Mason pine caterpillar Forestry Vegetation Resins Protection
Content Type	Text
Resource Type	Article

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