Effect of land-use intensity and adjacent semi-natural habitats on wild and honey bees of meadows

IF 2.4 3区 农林科学 Q1 ENTOMOLOGY Apidologie Pub Date : 2024-02-15 DOI:10.1007/s13592-024-01056-w
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Abstract

Most terrestrial ecosystems are shaped by the pollination service provided by insects, foremost bees. As bees are also important pollinators of crop plants, they are key for both the pollination of wild plants and for agricultural production. Meadows and semi-natural habitats (SNHs) are important habitats for bees. However, there is limited knowledge on how land-use intensity of meadows affects wild bees and managed Western honey bees. Further, it is unknown whether SNHs adjacent to meadows affect bees in meadows. Here, we examined in a landscape dominated by grasslands, the effects of land-use intensity (nitrogen input, grazing intensity, mowing frequency), flower availability and adjacent SNHs on bee communities in meadows. We recorded more than 5000 individuals of 87 species of bees and found no effect of land-use intensity on wild and honey bees. Flowering plant species richness had a positive effect on bee species richness in one study year. Though we recorded more bee species in SNHs than meadows, overall and specifically in ecologically specialized bee species (e.g. parasitic bees, oligoleges), the availability of adjacent SNHs did not affect bee abundance and richness in meadows. We discuss why land-use intensity and SNHs adjacent to meadows did not affect bees in meadows and conclude that SNHs are important in sustaining functionally diverse bee communities in landscapes dominated by grasslands.

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土地使用强度和邻近半自然栖息地对草地野生蜜蜂和蜜蜂的影响
摘要 大多数陆地生态系统都是由昆虫(首先是蜜蜂)提供的授粉服务形成的。由于蜜蜂也是农作物的重要授粉者,因此它们是野生植物授粉和农业生产的关键。草地和半自然栖息地(SNHs)是蜜蜂的重要栖息地。然而,人们对草甸的土地使用强度如何影响野生蜜蜂和管理下的西方蜜蜂的了解十分有限。此外,邻近草地的 SNH 是否会影响草地上的蜜蜂也不得而知。在这里,我们研究了在以草地为主的景观中,土地利用强度(氮输入、放牧强度、割草频率)、花卉可用性和邻近的SNH对草地蜜蜂群落的影响。我们记录了 87 种蜜蜂的 5000 多只个体,发现土地使用强度对野蜂和蜜蜂没有影响。在一个研究年度,开花植物物种丰富度对蜜蜂物种丰富度有积极影响。虽然我们在独立小森林中记录到的蜜蜂物种多于草甸,但总体而言,特别是在生态特化蜜蜂物种(如寄生蜂、寡居蜂)方面,邻近独立小森林的存在并不影响草甸中蜜蜂的丰度和丰富度。我们讨论了土地利用强度和毗邻草甸的SNH对草甸中的蜜蜂没有影响的原因,并得出结论:在以草地为主的景观中,SNH对维持功能多样的蜜蜂群落非常重要。
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来源期刊
Apidologie
Apidologie 生物-昆虫学
CiteScore
5.10
自引率
8.30%
发文量
64
审稿时长
3 months
期刊介绍: Apidologie is a peer-reviewed journal devoted to the biology of insects belonging to the superfamily Apoidea. Its range of coverage includes behavior, ecology, pollination, genetics, physiology, systematics, toxicology and pathology. Also accepted are papers on the rearing, exploitation and practical use of Apoidea and their products, as far as they make a clear contribution to the understanding of bee biology. Apidologie is an official publication of the Institut National de la Recherche Agronomique (INRA) and Deutscher Imkerbund E.V. (D.I.B.)
期刊最新文献
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