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Economics of salt-induced land degradation and restoration

Natural resources forum, 2014-11, Vol.38 (4), p.282-295 [Peer Reviewed Journal]

2014 The Authors. Natural Resources Forum © 2014 United Nations ;2015 INIST-CNRS ;Distributed under a Creative Commons Attribution 4.0 International License ;ISSN: 0165-0203 ;ISSN: 0165-0209 ;EISSN: 1477-8947 ;DOI: 10.1111/1477-8947.12054 ;CODEN: NRFODS

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Title:
Economics of salt-induced land degradation and restoration
Author: Qadir, M. ; Quillérou, E. ; Nangia, V. ; Murtaza, G. ; Singh, M. ; Thomas, R.J. ; Drechsel, P. ; Noble, A.D.
Subjects: Agricultural sciences ; Agronomy ; Agronomy. Soil science and plant productions ; Animal, plant and microbial ecology ; Applied ecology ; Biological and medical sciences ; Conservation, protection and management of environment and wildlife ; Developing countries ; Environment and sustainable development ; Environmental degradation ; Environmental restoration ; Environmental Sciences ; Food security ; Food supply ; Fundamental and applied biological sciences. Psychology ; Humanities and Social Sciences ; integrated remediation strategies ; Land degradation ; Land use ; Land use planning ; LDCs ; Life Sciences ; Natural resource management ; Natural resources ; Productivity ; salinity management policies ; salt-affected soils ; Soil science ; Sustainable development ; Sustainable land management ; U.S.A
Is Part Of: Natural resources forum, 2014-11, Vol.38 (4), p.282-295
Description: Food security concerns and the scarcity of new productive land have put productivity enhancement of degraded lands back on the political agenda. In such a context, salt‐affected lands are a valuable resource that cannot be neglected nor easily abandoned even with their lower crop yields, especially in areas where significant investments have already been made in irrigation and drainage infrastructure. A review of previous studies shows a very limited number of highly variable estimates of the costs of salt‐induced land degradation combined with methodological and contextual differences. Simple extrapolation suggests that the global annual cost of salt‐induced land degradation in irrigated areas could be US$ 27.3 billion because of lost crop production. We present selected case studies that highlight the potential for economic and environmental benefits of taking action to remediate salt‐affected lands. The findings indicate that it can be cost‐effective to invest in sustainable land management in countries confronting salt‐induced land degradation. Such investments in effective remediation of salt‐affected lands should form part of a broader strategy for food security and be defined in national action plans. This broader strategy is required to ensure the identification and effective removal of barriers to the adoption of sustainable land management, such as perverse subsidies. Whereas reversing salt‐induced land degradation would require several years, interim salinity management strategies could provide a pathway for effective remediation and further showcase the importance of reversing land degradation and the rewards of investing in sustainable land management.
Publisher: Oxford: Blackwell Publishing Ltd
Language: English
Identifier: ISSN: 0165-0203
ISSN: 0165-0209
EISSN: 1477-8947
DOI: 10.1111/1477-8947.12054
CODEN: NRFODS
Source: HAL SHS: Archive ouverte en Sciences de l'Homme et de la Société (Open Access)
Hyper Article en Ligne (HAL) (Open Access)
Alma/SFX Local Collection

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Economics of salt-induced land degradation and restoration

2014 The Authors. Natural Resources Forum © 2014 United Nations ;2015 INIST-CNRS ;Distributed under a Creative Commons Attribution 4.0 International License ;ISSN: 0165-0203 ;ISSN: 0165-0209 ;EISSN: 1477-8947 ;DOI: 10.1111/1477-8947.12054 ;CODEN: NRFODS

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