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Riparian catchments: A landscape approach to link uplands with riparian zones for agricultural and ecosystem conservation
Journal of Soil and Water Conservation ( IF 3.9 ) Pub Date : 2020-01-01 , DOI: 10.2489/jswc.2020.1220a
Mark D. Tomer , Sarah A. Porter , David E. James , Jessica D. Van Horn

V egetated riparian buffers can trap and treat pollutants in runoff from agricultural uplands, thereby protecting stream water quality and the integrity of aquatic systems (Liu et al. 2008; Dosskey et al. 2010). The effectiveness of a buffer in achieving these goals depends on buffer design, buffer extent (i.e., stream length occupied), distributions of hydrologic flows through the buffer in time and space, and the conservation management of upslope agricultural lands. Soil survey and topographic data can be used to prioritize buffer implementation, and to design buffers that effectively intercept surface and/or subsurface flow paths according to landscape characteristics (Tomer et al. 2015; Schultz et al. 2009). However, buffer effectiveness can be enhanced through conservation management of agricultural uplands, using (as examples) zero/zonal tillage, field borders, and/or contour buffers, practices that can attenuate peak runoff flows that may bypass buffer vegetation (Dabney et al. 2006). In other words, riparian buffer performance depends on the use of upland practices that can effectively reduce erosion and slow or detain runoff from uplands. Benefits of integrated strategies for co-managing upland and riparian systems at watershed scale have been discussed, but no framework has been suggested to enable full landscape planning to be undertaken in an extensive yet detailed way. A methodology for landscape analysis that provides a way to …

中文翻译:

河岸集水区:一种将高地与河岸带联系起来以实现农业和生态系统保护的景观方法

植被河岸缓冲带可以捕获和处理农业高地径流中的污染物,从而保护河流水质和水生系统的完整性(Liu 等人,2008 年;Dosskey 等人,2010 年)。缓冲区实现这些目标的有效性取决于缓冲区设计、缓冲区范围(即占用的河流长度)、通过缓冲区的水文流量在时间和空间上的分布以及上坡农业用地的保护管理。土壤调查和地形数据可用于确定缓冲区实施的优先级,并根据景观特征设计能够有效拦截地表和/或地下流动路径的缓冲区(Tomer 等人,2015 年;Schultz 等人,2009 年)。然而,可以通过农业高地的保护管理来提高缓冲效力,使用(作为示例)零/分区耕作、田地边界和/或等高线缓冲区,这些做法可以减弱可能绕过缓冲区植被的峰值径流流量(Dabney 等人,2006 年)。换句话说,河岸缓冲性能取决于能够有效减少侵蚀并减缓或阻止高地径流的高地实践的使用。已经讨论了在流域尺度上共同管理高地和河岸系统的综合战略的好处,但没有提出框架来使全面的景观规划能够以广泛而详细的方式进行。一种景观分析方法,它提供了一种方法来…… 河岸缓冲性能取决于使用能够有效减少侵蚀并减缓或阻止高地径流的高地做法。已经讨论了在流域尺度上共同管理高地和河岸系统的综合战略的好处,但没有提出框架来使全面的景观规划能够以广泛而详细的方式进行。一种景观分析方法,它提供了一种方法来…… 河岸缓冲性能取决于使用能够有效减少侵蚀并减缓或阻止高地径流的高地做法。已经讨论了在流域尺度上共同管理高地和河岸系统的综合战略的好处,但没有提出框架来使全面的景观规划能够以广泛而详细的方式进行。一种景观分析方法,它提供了一种方法来……
更新日期:2020-01-01
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