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Strategic placement of perennial plants for enhancing ecosystem services in row-crop dominated agricultural landscapes in the Midwestern U.S.

Heidi AsbjornsenMatt LiebmanLisa SchulteTom CrowMatt Helmers

lowa State University Department of Natural Resource Ecology and ManagementIowa State University.Department of Agronomylowa State University Department of Natural Resource Ecology and ManagementU.S.D.A.Forest Service.Wildlife Fish.Water,and Air ResearchIowa State University.Department of Agricultural and Biosvstems Engineering

摘要:<正>The negative impacts associated with the conversion of native ecosystems to annual crop-based agricultural systems throughout the world are multifold.Continued loss of biodiversity,frequent and severe flooding,and the emergence of coastal hypoxic zones resulting from excess loss of nutrients and sediment are salient features of such landscape conversion.In the Midwestem U.S.,conversion of native prairie and savanna ecosystems to intensively managed row-crop agriculture has resulted in the loss of over 95% of the native vegetation, and concerns over environmental impacts have escalated in recent years
会议名称:

第三世界生态高峰会

会议时间:

2007-05

会议地点:

中国北京

  • 专辑:

    农业科技

  • 专题:

    农业基础科学

  • 分类号:

    S184

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