A multi-criteria evaluation system for arable land resource assessment

Autor: Yihua Xiao, Lingchen Mao, Wei Liu, Zhibo Lu, Feipeng Li
Jazyk: angličtina
Rok vydání: 2020
Předmět:
China
Evaluation system
Index (economics)
Soil test
arviointimenetelmät
integrated fertility index (IFI)
010501 environmental sciences
Management
Monitoring
Policy and Law
Soil cleanliness index
01 natural sciences
Article
Arable land resource
multi-criteria evaluation system
Comprehensive soil evaluation score
raskasmetallit
Soil
Metals
Heavy
Multi-criteria evaluation system
comprehensive soil evaluation score
heavy metals
hedelmällisyys
0105 earth and related environmental sciences
General Environmental Science
2. Zero hunger
arable land resource
business.industry
soil cleanliness index
maaperänsuojelu
Heavy metals
Subsidy
Agriculture
04 agricultural and veterinary sciences
General Medicine
15. Life on land
Requisition
Pollution
Integrated fertility index (IFI)
6. Clean water
040103 agronomy & agriculture
0401 agriculture
forestry
and fisheries
Environmental science
Arable land
Water resource management
business
Environmental Monitoring
Zdroj: Environmental Monitoring and Assessment
ISSN: 1573-2959
0167-6369
Popis: This study proposed a multi-criteria evaluation system for arable land resources by combining the soil integrated fertility index (IFI) with a soil cleanliness index (based on heavy metals and metalloid content). A total of 16 typical arable land units in Chongming District, China, were evaluated using the proposed evaluation system based on 104 collected soil samples in 16 towns. The comprehensive soil evaluation scores of arable lands in 16 towns were in the range of 90.7 to 99.2 with a mean of 96.2, indicating that the arable land in all 16 towns was at the level of excellent (≥ 90.0). Lower cleanliness indices had a significant impact on the final evaluation score. In comparison with single-index evaluation systems (i.e., the IFI or soil cleanliness index), the proposed multi-criteria system better reflects the quality of the soil. In the practice of arable land requisition and subsidy policy, the proposed multi-criteria evaluation system not only encourages farmers to preserve arable lands during farming but also helps agricultural authorities make effective and reliable management decisions. Electronic supplementary material The online version of this article (10.1007/s10661-019-8023-x) contains supplementary material, which is available to authorized users.
Databáze: OpenAIRE
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