Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1111/ele.13819 |
Pesticides do not significantly reduce arthropod pest densities in the presence of natural enemies | |
Arne Janssen; Paul C. J. van Rijn | |
2021-06-23 | |
发表期刊 | Ecology Letters |
出版年 | 2021 |
英文摘要 | Chemical pesticides remain the main agents for control of arthropod crop pests despite increased concern for their side effects. Although chemical pesticide applications generally result in short-term decreases of pest densities, densities can subsequently resurge to higher levels than before. Thus, pesticide effects on pest densities beyond a single pest generation may vary, but they have not been reviewed in a systematic manner. Using mathematical predator–prey models, we show that pest resurgence is expected when effective natural enemies are present, even when they are less sensitive to pesticides than the pest. Model simulations over multiple pest generations predict that pest resurgence due to pesticide applications will increase average pest densities throughout a growing season when effective natural enemies are present. We tested this prediction with a meta-analysis of published data of field experiments that compared effects of chemical control of arthropod plant pests in the presence and absence of natural enemies. This largely confirmed our prediction: overall, pesticide applications did not reduce pest densities significantly when natural enemies were present, which concerned the vast majority of cases. We also show that long-term pesticide effectiveness is underreported and suggest that pest control by natural enemies deserves more attention. |
领域 | 资源环境 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/333863 |
专题 | 资源环境科学 |
推荐引用方式 GB/T 7714 | Arne Janssen,Paul C. J. van Rijn. Pesticides do not significantly reduce arthropod pest densities in the presence of natural enemies[J]. Ecology Letters,2021. |
APA | Arne Janssen,&Paul C. J. van Rijn.(2021).Pesticides do not significantly reduce arthropod pest densities in the presence of natural enemies.Ecology Letters. |
MLA | Arne Janssen,et al."Pesticides do not significantly reduce arthropod pest densities in the presence of natural enemies".Ecology Letters (2021). |
条目包含的文件 | 条目无相关文件。 |
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