Effectiveness of agri-environmental management on pollinators is moderated more by ecological contrast than by landscape structure or land-use intensity.

Effectiveness of agri-environmental management on pollinators is moderated more by ecological contrast than by landscape structure or land-use intensity.
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农业环境管理对授粉媒介的有效性更多地受到生态对比的调节,而不是景观结构或土地利用强度的调节

DOI:
10.1111/ele.13339
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发表时间:
2019
期刊:
影响因子:
8.8
通讯作者:
Batáry
Batáry
中科院分区:
环境科学与生态学1区
文献类型:
--
作者:
Kleijn;Tscharntke;Kleijn;Batáry

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农业环境管理(AEM)始于20世纪80年代的欧洲,旨在减缓生物多样性的下降,但AEM的有效性受到质疑。我们假设这是由于AEM和未处理对照部位之间缺乏足够大的生态对比造成的。AEM的有效性可能会受到景观结构和土地利用强度的调节。在这里,我们研究了当地生态对比,景观结构和区域土地利用强度对AEM有效性的影响,对62项欧洲传粉者研究进行了Meta分析。我们发现,生态对比度是最重要的,在确定AEM的有效性,但景观结构和区域土地利用强度也发挥了作用。总之,提高AEM对传粉者有效性的最成功方法是实施在局部范围内实现大规模生态改善的措施,这与集约土地利用地区简单景观的传统做法形成强烈对比。
Agri‐environment management (AEM) started in the 1980s in Europe to mitigate biodiversity decline, but the effectiveness of AEM has been questioned. We hypothesize that this is caused by a lack of a large enough ecological contrast between AEM and non‐treated control sites. The effectiveness of AEM may be moderated by landscape structure and land‐use intensity. Here, we examined the influence of local ecological contrast, landscape structure and regional land‐use intensity on AEM effectiveness in a meta‐analysis of 62 European pollinator studies. We found that ecological contrast was most important in determining the effectiveness of AEM, but landscape structure and regional land‐use intensity played also a role. In conclusion, the most successful way to enhance AEM effectiveness for pollinators is to implement measures that result in a large ecological improvement at a local scale, which exhibit a strong contrast to conventional practices in simple landscapes of intensive land‐use regions.
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