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An optimization approach to the two-circle method of estimating ground-dwelling arthropod densities
Shi, Pei-Jian; Zhao, Zi-Hua; Sandhu, Hardev S.; Hui, Cang; Men, Xing-Yuan; Ge, Feng; Li, Bai-Lian (Florida Entomological Society, 2014-06)Information on ground-dwelling arthropod densities is important for efficient management in agro-ecosystems. A method of using paired pitfall traps with different inter-trap distances, called the two-circle method (TCM), ... -
Weakening density dependence from climate change and agricultural intensification triggers pest outbreaks : a 37-year observation of cotton bollworms
Ouyang, Fang; Hui, Cang; Men, Xin-Yuan; Zhao, Zi-Hua; Shi, Pei-Jian; Zhang, Yong-Sheng; Li, Bai-Lian (John Wiley & Sons Ltd., 2014-08-12)Understanding drivers of population fluctuation, especially for agricultural pests, is central to the provision of agro-ecosystem services. Here, we examine the role of endogenous density dependence and exogenous factors ...