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Native roadside vegetation that enances soil erosion control in boreal Scandinavia

机译:北部斯堪的纳维亚半岛的原生路边植被加强了土壤侵蚀控制

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摘要

This study focused on identifying vegetation characteristics associated with erosion control at nine roadside sites in mid-West Sweden. A number of vegetation characteristics such as cover, diversity, plant functional type, biomass and plant community structure were included. Significant difference in cover between eroded and non-eroded sub-sites was found in evergreen shrubs, total cover, and total above ground biomass. Thus, our results support the use of shrubs in order to stabilize vegetation and minimize erosion along roadsides. However, shrubs are disfavored by several natural and human imposed factors. This could have several impacts on the long-term management of roadsides in boreal regions. By both choosing and applying active management that supports native evergreen shrubs in boreal regions, several positive effects could be achieved along roadsides, such as lower erosion rate and secured long-term vegetation cover. This could also lead to lower costs for roadside maintenance as lower erosion rates would require less frequent stabilizing treatments and mowing could be kept to a minimum in order not to disfavor shrubs.                                                                                                             
机译:这项研究的重点是确定瑞典中西部9个路边站点与侵蚀控制相关的植被特征。包括植被,多样性,植物功能类型,生物量和植物群落结构等许多植被特征。在常绿灌木,总覆盖率和地上总生物量中发现了侵蚀和非侵蚀子站点之间覆盖率的显着差异。因此,我们的结果支持灌木的使用,以稳定植被并减少路边的侵蚀。但是,灌木受到几种自然和人为因素的不利影响。这可能对北方地区路边的长期管理产生若干影响。通过选择和应用支持北方地区常绿灌木的主动管理,可以在路边实现一些积极的效果,例如降低侵蚀率和确保长期的植被覆盖。这也可能导致路边维护的成本降低,因为较低的侵蚀率将不需要进行频繁的稳定处理,并且可以将修剪保持在最低程度,以免对灌木产生不利影响。

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