I n the United States, roads are prominent across the landscape, negatively impacting wildlife and ecological processes via road mortality (Brady and Richardson 2017). The extensive roadway system in the United States requires consistent maintenance that results in soil erosion potential. For example, as of August of 2019 in Texas, there were 6,739 active roadway projects, with another 6,448 projects listed to begin within the next four years (Texas Department of Transportation 2019). Despite regulatory and mitigation efforts, soil erosion and stream sedimentation are known to occur at construction sites due to exposure of the soil to environmental factors that influence erosion rates (Kaufman 2000; Benik et al. 2003). At the conclusion of construction projects, the Texas Department of Transportation (TxDOT) mandates that erosion control products (ECPs) are deployed on unpacked soil to prevent soil erosion potential and to promote plant growth (Babcock and McLaughlin 2013; Texas Department of Transportation 2018a). The TxDOT maintains an approved product list (APL) of all ECPs (ranging from mesh blankets to sprays and mulches) that can be used by contractors at the conclusion of a roadway construction project. To be placed on the APL, products must pass two performance standards: (1) protect the seedbed of an embankment or drainage channel from the loss of sediment during simulated rainfall or channel flow events, and (2) promote the establishment of warm-season, perennial vegetation …

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侵蚀控制产品的多样性及其对野生动物纠缠的影响

在美国，道路在整个景观中都很突出，通过道路死亡率对野生动物和生态过程产生负面影响（Brady 和 Richardson 2017）。美国广泛的道路系统需要持续的维护，这会导致潜在的土壤侵蚀。例如，截至 2019 年 8 月，德克萨斯州有 6,739 个活跃的道路项目，另有 6,448 个项目将在未来四年内开始（德克萨斯州交通部，2019 年）。尽管进行了监管和缓解措施，但众所周知，由于土壤暴露于影响侵蚀率的环境因素中，施工现场会发生土壤侵蚀和河流沉积（Kaufman 2000；Benik et al. 2003）。在建设项目结束时，德克萨斯州交通部 (TxDOT) 要求将侵蚀控制产品 (ECP) 部署在未包装的土壤上，以防止潜在的土壤侵蚀并促进植物生长（Babcock 和 McLaughlin 2013；德克萨斯州交通部 2018a）。TxDOT 维护一份批准的所有 ECP（从网状毯子到喷雾剂和覆盖物）的产品清单 (APL)，承包商在道路建设项目结束时可以使用这些产品。要放置在 APL 上，产品必须通过两个性能标准：(1) 在模拟降雨或渠道流动事件期间保护堤防或排水渠道的苗床免受泥沙流失，以及 (2) 促进建立暖季，多年生植被…… TxDOT 维护一份批准的所有 ECP（从网状毯子到喷雾剂和覆盖物）的产品清单 (APL)，承包商在道路建设项目结束时可以使用这些产品。要放置在 APL 上，产品必须通过两个性能标准：(1) 在模拟降雨或渠道流动事件期间保护堤防或排水渠道的苗床免受泥沙流失，以及 (2) 促进建立暖季，多年生植被…… TxDOT 维护一份批准的所有 ECP（从网状毯子到喷雾剂和覆盖物）的产品清单 (APL)，承包商在道路建设项目结束时可以使用这些产品。要放置在 APL 上，产品必须通过两个性能标准：(1) 在模拟降雨或渠道流动事件期间保护堤防或排水渠道的苗床免受泥沙流失，以及 (2) 促进建立暖季，多年生植被……