Arid
DOI10.1016/j.still.2013.04.002
Effects of restoration actions on soil and landscape functions: Atriplex nummularia L. plantations in Ouled Dlim (Central Morocco)
Zucca, Claudio1,3; Pulido-Fernandez, Manuel2; Fava, Francesco3; Dessena, Leonarda3,4; Mulas, Maurizio3,4
通讯作者Zucca, Claudio
来源期刊SOIL & TILLAGE RESEARCH
ISSN0167-1987
出版年2013
卷号133页码:101-110
英文摘要

Fodder shrub plantations (Atriplex nummularia L) were extensively introduced in dryland areas of central Morocco (Marrakech province, Ouled Dlim and Ouled Nejim municipalities) to rehabilitate degraded rangeland and to mitigate desertification processes. These interventions deeply modified the original rural landscape, characterized by sparse vegetation cover in relation to a long history of intense grazing and subsistence cropping, and by soils prone to surface crusting and to high runoff generation. The Landscape Function Analysis (LFA) was applied to study the effects of the Atriplex plantation on soil and landscape functions. The LFA landscape functional indicators (Landscape Organization Index, LOI; Patch Area Index, PAI; Number of Patches, NP; Patch Number Index, PNI) were measured along seventeen 50-m-long transects, established to compare five "actions" (CR, Cropped; GR, Grazed; MA, Mature plantation; YA-1, Young plantation with moderate biomass development; YA-2, Young plantation with good biomass development). The LFA soil surface indicators, and the related NC (Nutrient Cycling) and IR (Infiltration/Runoff) indices were assessed in the observed ecological patches and inter-patches, for a total number of 157 microsites. Biomass production was measured in all the studied plantations. Multiple group comparison analysis was performed to compare the mean values of the LFA indices according to action and patch types. Correlation analysis was carried out to study the relationships between biomass and functional indices. The results obtained show that the young and well developed plantations have the stronger impacts on all the LFA indices and that the plantation effects are mostly linked to the localized synergistic effect of the plant furrow association. In the study area the LFA provided an effective metric to assess the relative effectiveness of the actions compared. (C) 2013 Elsevier B.V. All rights reserved.


英文关键词Landscape Function Analysis LFA Vegetation pattern Nutrient cycling Runoff and infiltration
类型Article
语种英语
国家Italy ; Spain
收录类别SCI-E
WOS记录号WOS:000323093600013
WOS关键词ECOSYSTEM COMPOSITION ; SEMIARID STEPPES ; INDICATORS ; INDEXES
WOS类目Soil Science
WOS研究方向Agriculture
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/179957
作者单位1.Univ Sassari, Dipartimento Agr, I-07100 Sassari, Italy;
2.Univ Extremadura, GeoEnvironm Res Grp, Caceres 10071, Spain;
3.Univ Sassari, NRD, I-07100 Sassari, Italy;
4.Univ Sassari, Dipartimento Sci Nat & Terr, I-07100 Sassari, Italy
推荐引用方式
GB/T 7714
Zucca, Claudio,Pulido-Fernandez, Manuel,Fava, Francesco,et al. Effects of restoration actions on soil and landscape functions: Atriplex nummularia L. plantations in Ouled Dlim (Central Morocco)[J],2013,133:101-110.
APA Zucca, Claudio,Pulido-Fernandez, Manuel,Fava, Francesco,Dessena, Leonarda,&Mulas, Maurizio.(2013).Effects of restoration actions on soil and landscape functions: Atriplex nummularia L. plantations in Ouled Dlim (Central Morocco).SOIL & TILLAGE RESEARCH,133,101-110.
MLA Zucca, Claudio,et al."Effects of restoration actions on soil and landscape functions: Atriplex nummularia L. plantations in Ouled Dlim (Central Morocco)".SOIL & TILLAGE RESEARCH 133(2013):101-110.
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