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2篇 您的检索式:作者名="Pietro P.M.IANNETTA"
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1作物生产系统中的植物多样性与生态集约化显示文摘生态集约化是指通过强化生态系统服务实现以补充或替代人为输入来维持或增加产量的目标。生态集约化具有提高农业环境可持续性的潜力,例如通过降低对环境不利的管理活动而又维持产量。生态集约化基于生态过程,而这些过程受到生物多样性的影响。本文综述了多空间尺度下生物多样性,特别是维管植物多样性如何调节与生态集约化相关的生态过程。在植物个体基因型水平上,功能性状的互补性直接影响生产力;在田块内种群水平上,作物混合类型具有抗灾能力,以减少病虫害的发生和传播的风险;尺度转换到田间水平,非作物植物类型(如杂草)的多样性为田块内的功能过程提供了必要的资源,包括地下(碳输入、分解)和地上(传粉媒介和天敌的资源连续性)。在景观尺度上,半自然和管理的植被嵌合体通过减轻洪涝和干旱风险、改善气候和调节虫害种群,为抵御极端事件提供缓冲。总体而言,上述强调了尺度异质性在农田维持生态系统功能的重要性。本综述的主要研究挑战包括:1)将植物功能多样性(从性状到栖息地尺度)更好地整合到种植系统设计中;2)量化植物多样性相对于其他管理选项对有效生态集约化的可能互动贡献,3)并通过有针对性的管理优化生物多样性的系统功能优势,以实现具有弹性、高效和高产的农业生态系统。Rob W.Brooker Cathy Hawes Pietro P.M.Iannetta Alison J.Karley Delphine Renard 2023Journal of Plant Ecology2023,16,6:0
2HARNESSING ECOLOGICAL PRINCIPLES AND PHYSIOLOGIC MECHANISMS IN DIVERSIFYING AGRICULTURAL SYSTEMS FOR SUSTAINABILITY:EXPERIENCE FROM STUDIES DEPLOYING NATUR-EBASED SOLUTIONS IN SCOTLAND显示文摘To achieve the triple challenge of food security,reversing biodiversity declines plus mitigating and adapting to climate change,there is a drive to embed ecological principles into agricultural,value-chain practices and decisionmaking.By diversifying cropping systems at several scales there is potential to decrease reliance on inputs,provide resilience to abiotic and biotic stress,enhance plant,microbe and animal biodiversity,and mitigate against climate change.In this review we highlight the research performed in Scotland over the past 5 years into the impact of the use of ecological principles in agriculture on sustainability,resilience and provision of ecosystem functions.We demonstrate that diversification of the system can enhance ecosystem functions.Soil and plant management interventions,including nature-based solutions,can also enhance soil quality and utilization of legacy nutrients.Additionally,this is facilitated by greater reliance on soil biological processes and trophic interactions.We highlight the example of intercropping with legumes to deliver sustainability through ecological principles and use legumes as an exemplar of the innovation.We conclude that there are many effective interventions that can be made to deliver resilient,sustainable,and diverse agroecosystems for crop and food production,and these may be applicable in any agroecosystem.Timothy S.GEORGE Cathy HAWES Tracy A.VALENTINE Alison J.KARLEY Pietro P.M.IANNETTA Robin W.BROOKER 2022Frontiers of Agricultural Science and Engineering2022,9,2:0
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