接近边缘传统和农业环境谷物田中植物多样性、生物量和花卉资源的空间变化

IF 5 1区 环境科学与生态学 Q1 BIODIVERSITY CONSERVATION
Laura M. E. Sutcliffe, Jenny Schellenberg, Stefan Meyer, Christoph Leuschner
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引用次数: 0

摘要

人们通常把耕地系统中的非作物(segetal)植物简单地视为 "杂草",即最坏的情况下是有害的,最好的情况下是不受欢迎的。随着欧洲耕地系统管理强度的增加,除了最耐受干扰的植物物种外,其他所有植物物种的数量都大幅减少,对整个农业食物网产生了负面影响。近年来,人们努力通过花带和无喷洒田边等措施来促进农业生物多样性。然而,有关这些措施对耕地植物区系影响的研究很少考虑它们在作物田内的空间变化。我们调查了德国六个地区传统谷物田和农业环境谷物田中维管植物物种丰富度的空间分布及其通过生物量和花卉单位对食物网的贡献。我们研究了两种田间措施(不施农药或化肥的大面积谷物田、有或没有间作开花物种的谷物田)和一种邻近措施(邻近花带),从田地边缘到内部每隔 1 米记录一次。然后对这些结果进行推断,以说明这些措施对田间资源供应的影响。在常规处理中,无论邻近生境如何,物种丰富度和植物生物量在第一米后都急剧下降。而 "广泛 "处理则在田间内部保持了更高水平的多样性和资源供给。在田间层面,这意味着常规管理(1900 个花朵单位/公顷)与农业环境措施(127,000 个花朵单位/公顷)之间的开花资源供应量相差 60 多倍。综述与应用。我们在常规种植中发现的强烈边缘效应支持了缩小田块面积可在促进作物内生物多样性方面发挥作用的前提。然而,在保持高产的同时,将广阔的田间边缘作为 AEM 将更有效地最大限度地提高普通植物的多样性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Close to the edge: Spatial variation in plant diversity, biomass and floral resources in conventional and agri-environment cereal fields

Close to the edge: Spatial variation in plant diversity, biomass and floral resources in conventional and agri-environment cereal fields

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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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