Arid
DOI10.1016/j.scitotenv.2014.01.040
Soil resources, land cover changes and rural areas: Towards a spatial mismatch?
Ferrara, Agostino1; Salvati, Luca2; Sabbi, Alberto3; Colantoni, Andrea4
通讯作者Salvati, Luca
来源期刊SCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
EISSN1879-1026
出版年2014
卷号478页码:116-122
英文摘要

The present study analyzes the impact of long-term urban expansion on soil depletion in Emilia-Romagna, an agricultural-specialized region of northern Italy. Using settlement density maps at three points in time (1945, 1971 and 2001) dense and diffused urbanization trends were assessed and correlated with soil quality. Nonurbanized land decreased from 11.8% in 1945 to 6.3% in 2001. Urbanization dynamics between 1945 and 1971 reflect the increase of dense settlements around pre-existing urban centers. To the contrary, a discontinuous, low- and medium-density urban expansion along the road network and in the most fertile lowland areas was observed between 1971 and 2001. Overall, urbanization consumed soils with progressively higher quality. However, a diverging trend was observed in the two investigated time intervals: soil with high quality was occupied by compact and dense settlements during 1945-1971 and by discontinuous, medium- and lowdensity settlements during 1971-2001. These findings document the polarization in areas with low and high soil capital and may reflect disparities in agricultural production and increasing environmental degradation. Moreover, the analysis shows a diverging trend between land and soil consumption patterns suggesting that the edification of pervious land is an unreliable indicator of soil quality depletion. Taken together, the results of this study illustrate the (increasing) spatial mismatch between agricultural land and high-quality soils as a consequence of urbanization-driven landscape transformations and may inform measures to contain soil depletion driven by economic growth. (c) 2014 Elsevier B.V. All rights reserved.


英文关键词Compact growth Low-density settlements Agro-forest systems Territorial disparities Italy
类型Article
语种英语
国家Italy
收录类别SCI-E ; SSCI
WOS记录号WOS:000334480800013
WOS关键词ENVIRONMENTAL-IMPACT ; URBAN SPRAWL ; GROWING CITY ; URBANIZATION ; QUALITY ; DESERTIFICATION ; ROME ; CONSUMPTION ; EXPANSION ; ISTANBUL
WOS类目Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/184863
作者单位1.Univ Basilicata, Scuola Sci Agr Forestali Alimentari Ambientali, I-85100 Potenza, Italy;
2.Ctr Plant Soil Relationships CRA RPS, Consiglio Ric & Sperimentaz Agricoltura, I-00184 Rome, Italy;
3.Ist Nazl Stat ISTAT, I-00184 Rome, Italy;
4.Univ Viterbo, Dipartimento Sci & Tecnol Agricoltura, I-01100 Viterbo, Italy
推荐引用方式
GB/T 7714
Ferrara, Agostino,Salvati, Luca,Sabbi, Alberto,et al. Soil resources, land cover changes and rural areas: Towards a spatial mismatch?[J],2014,478:116-122.
APA Ferrara, Agostino,Salvati, Luca,Sabbi, Alberto,&Colantoni, Andrea.(2014).Soil resources, land cover changes and rural areas: Towards a spatial mismatch?.SCIENCE OF THE TOTAL ENVIRONMENT,478,116-122.
MLA Ferrara, Agostino,et al."Soil resources, land cover changes and rural areas: Towards a spatial mismatch?".SCIENCE OF THE TOTAL ENVIRONMENT 478(2014):116-122.
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