共同使用一种大量开花的作物会导致管理下的蜜蜂和熊蜂的食性生态位重叠

IF 5 1区 环境科学与生态学 Q1 BIODIVERSITY CONSERVATION Journal of Applied Ecology Pub Date : 2024-08-01 DOI:10.1111/1365-2664.14743
Olivia Bernhardsson, Liam Kendall, Ola Olsson, Peter Olsson, Henrik G. Smith
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引用次数: 0

摘要

野生授粉昆虫与人工饲养蜜蜂(Apis mellifera)之间的资源竞争有可能对昆虫生物多样性以及野生植物和作物授粉产生不利影响。由于蜜蜂是中心地带的觅食者,它们对野生蜜蜂的竞争影响预计将由蜂巢的远近以及与景观资源可用性相关的觅食决策所决定。然而,这些因素如何构建野生蜜蜂与管理蜜蜂之间的食物生态位重叠仍不清楚。我们在半自然草地上进行了一项野外实验,在大量开花的油菜(Brassica napus)花期期间和花期之后,测量了蜜蜂觅食密度以及与水尾熊蜂(Bombus terrestris)的食性重叠情况。我们通过标准化的横断面调查测量了蜜蜂的觅食密度,并从两种蜜蜂采集的花粉样本中量化了蜜蜂的食性组成和食性生态位重叠情况。蜜蜂的觅食密度在养蜂场附近最高,在距离养蜂场 500 米以外则急剧下降。然而,生态位重叠与蜂巢的远近无关,但与油菜的供应量呈正相关。此外,在整个季节中,花粉食物组成和广度在种间和种内存在显著差异。综述与应用:蜜蜂和熊蜂在农业环境中的利基重叠是由于大量开花的油菜资源共享造成的。当蜜蜂和熊蜂主要在野生植物上觅食时,它们会保持不同的花粉食性,这表明这些通食类群之间的资源竞争风险很低。在农业景观中促进花卉资源可用性和多样性的保护措施对于维持管理蜜蜂和野生蜜蜂之间的生态位分化至关重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Shared use of a mass-flowering crop drives dietary niche overlap between managed honeybees and bumblebees

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来源期刊
Journal of Applied Ecology
Journal of Applied Ecology 环境科学-生态学
CiteScore
9.80
自引率
3.50%
发文量
229
审稿时长
4.5 months
期刊介绍: Journal of Applied Ecology publishes novel, high-impact papers on the interface between ecological science and the management of biological resources.The editors encourage contributions that use applied ecological problems to test and develop basic theory, although there must be clear potential for impact on the management of the environment.
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