Arid
DOI10.1002/esp.3541
Assessment of 80 years of ancient-badlands restoration in Saldana, Spain
Navarro Hevia, Joaquin1; de Araujo, Jose Carlos2; Mongil Manso, Jorge3
通讯作者Navarro Hevia, Joaquin
来源期刊EARTH SURFACE PROCESSES AND LANDFORMS
ISSN0197-9337
EISSN1096-9837
出版年2014
卷号39期号:12页码:1563-1575
英文摘要

This paper presents the history of badland generated in the Saldana region, Spain; as well as the main responses eight decades after the start of restoration - in terms of vegetation, soil and erosive processes. The restoration consisted of intense reforestation and construction of more than 100 check dams and numerous wattle fences. Presently, the dense vegetation (87% cover) contrasts markedly with the degraded landscape from the early 20th century (5% cover). The thickness of litter and the natural presence of some species (Quercus pyrenaica, Paeonia broteroi and Lactarius deliciosus) clearly indicate the recovery of the site. The development of the forest cover shows that the intervention has the potential to recover almost 90% of the area. There is also evidence of soil regeneration, although some properties (erodibility, resistance to penetration and shear-strength resistance) are not that different between the forested and degraded areas. In the restored zones, runoff is negligible, since a thick layer of moss covers the spillways of all the check dams. Erosion has almost been stopped by the effects of vegetation cover, litter and higher infiltration rates (infiltration rate in forested slopes is 43.4 times greater than in bare slopes). Sediment detachment, such as landslides, mudflows and piping, still occur, but are restricted to the degraded zones. Furthermore, even when sediments are mobilized from the upper degraded hillslopes during the larger storms events (2000-2010), check dams and the lower elevation restored forest-buffers effectively work to reduce the sediment yield into the Carrion River by almost three orders of magnitude (<10(2) mg L-1), compared with data from the 1930s and 1940s (>10(5) mg L-1). Copyright (c) 2014 John Wiley & Sons, Ltd.


英文关键词reforestation check dams erosion sediment yield landslides mudflows
类型Article
语种英语
国家Spain ; Brazil
收录类别SCI-E
WOS记录号WOS:000342624400001
WOS关键词SEDIMENT TRANSPORT ; SEMIARID CATCHMENT ; CHECK DAMS ; LAND-USE ; EROSION ; SOIL ; FOREST ; PATTERNS ; DESERTIFICATION ; REFORESTATION
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Physical Geography ; Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/181601
作者单位1.Univ Valladolid, Agr & Forestry Engn Dept, Palencia, Spain;
2.Univ Fed Ceara, Dept Agr Engn, Fortaleza, Ceara, Brazil;
3.Catholic Univ Avila, Hydrol & Conservat Res Grp, Avila, Spain
推荐引用方式
GB/T 7714
Navarro Hevia, Joaquin,de Araujo, Jose Carlos,Mongil Manso, Jorge. Assessment of 80 years of ancient-badlands restoration in Saldana, Spain[J],2014,39(12):1563-1575.
APA Navarro Hevia, Joaquin,de Araujo, Jose Carlos,&Mongil Manso, Jorge.(2014).Assessment of 80 years of ancient-badlands restoration in Saldana, Spain.EARTH SURFACE PROCESSES AND LANDFORMS,39(12),1563-1575.
MLA Navarro Hevia, Joaquin,et al."Assessment of 80 years of ancient-badlands restoration in Saldana, Spain".EARTH SURFACE PROCESSES AND LANDFORMS 39.12(2014):1563-1575.
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