Floral strips adjacent to Manitoba crop fields attract beneficial insects shortly after establishment regardless of management type or landscape context

IF 1.6 3区 农林科学 Q2 ENTOMOLOGY
Michael F. Killewald, A. C. Costamagna, Y. Lawley, R. H. Gulden, J. Gibbs
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Abstract

Abstract Image

马尼托巴省农田附近的花带在建立后不久就吸引了有益的昆虫,无论管理类型或景观背景如何
昆虫为农业提供了宝贵的生态系统服务,但这些地区的昆虫数量往往较低。我们在曼尼托巴省南部的八块有机农田和七块传统农田的边缘建立了花带。然后,我们比较了花带中地甲虫、同翅苍蝇和蜜蜂的捕获率;控制(未修改的)场边缘;附近的半天然场地;以及在距离田地边界六个距离的地带和控制田地内(5-150 m) 。研究了农场管理和景观环境对昆虫丰度、多样性和相关物种特征的影响。花带内蜜蜂和甲虫的捕获率明显高于对照处理。然而,在对照组中,同啡肽的捕获率明显更高。甲虫和蜜蜂对开花的forb覆盖和边缘密度有积极的反应(0.5 km),而正啡肽对无回报农业的反应是积极的,对半自然地区的反应是消极的(1 km)。我们发现有机管理类型和传统管理类型之间的昆虫丰度或多样性没有显著差异,田间昆虫丰度也没有差异。昆虫特征和景观变量之间没有发现显著的关联。这些结果表明,花条在建立后不久就能有效地吸引地甲虫和蜜蜂,但这些群落的功能与对照田中的群落相似。需要进行纵向研究,以确定在有花带的田地里,种群是否会随着时间的推移而继续增加,并变得更加多样化。
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来源期刊
Agricultural and Forest Entomology
Agricultural and Forest Entomology 农林科学-昆虫学
CiteScore
3.60
自引率
6.20%
发文量
66
审稿时长
>24 weeks
期刊介绍: Agricultural and Forest Entomology provides a multi-disciplinary and international forum in which researchers can present their work on all aspects of agricultural and forest entomology to other researchers, policy makers and professionals. The Journal welcomes primary research papers, reviews and short communications on entomological research relevant to the control of insect and other arthropod pests. We invite high quality original research papers on the biology, population dynamics, impact and management of pests of the full range of forest, agricultural and horticultural crops.
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