Long-term persistence of agricultural pest insects by risk-spreading dispersal
Long-term persistence of agricultural pest insects by risk-spreading dispersal
复制标题
通过风险扩散传播农业害虫的长期持续存在
DOI:
10.1007/s11284-018-1615-z
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发表时间:
2018
影响因子:
2
通讯作者:
Jin Yoshimura
中科院分区:
文献类型:
--
作者:
Maica Krizna Areja Gavina;Kotaro Aoki;Genki Ichinose;Jomar Fajardo Rabajante;Hiromu Ito;Satoru Morita;Vincent A. A. Jansen;Jin Yoshimura
Insects are the most diverse organisms on earth consisting of more than 900 thousand species. However, only few of them are considered agricultural pests. Life history traits such as high fecundity, fast population growth, and high dispersal ability have been used to characterize agricultural pest insects. However, many other non-pest insects also share these traits, which indicates that there has not been a decisive condition characterizing agricultural pest insects. Agricultural habitats are risky and ephemeral to pests because of pest control and harvesting. The usual arithmetic mean fitness cannot be used to measure the persistence of these pests, because the maximal mean fitness is achieved only when they exhibit no dispersal, but that leads to immediate extinction. Using a geometric mean fitness model, we propose a quantitative measure of long-term reproductive success for agricultural pest insects. By using this approach, we can evaluate the trade-off between long-distance dispersal and high reproduction correctly and estimate the condition for the long-term persistence of pest insects in agricultural habitats. We discuss some general perspectives of pest control from the proposed characterization.
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DOI:
10.1111/j.1439-0418.1971.tb02121.x
发表时间:
2009
期刊:
影响因子:
--
作者:
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通讯作者:
R. Tolba
影响因子:
4.6
作者:
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通讯作者:
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DOI:
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发表时间:
2014
期刊:
The American Naturalist
影响因子:
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作者:
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DOI:
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发表时间:
2014
期刊:
影响因子:
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作者:
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M. Sagheer
影响因子:
1.4
作者:
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B. McPheron