Prospects for agriculture under climate change and soil salinisation
Prospects for agriculture under climate change and soil salinisation
Agriculture is the largest and most important provisioning ecosystem in the Ganges-Brahmaputra-Meghna delta and is significantly affected by levels of soil and water salinity. Model-based assessment using both soil moisture and salt balance models indicate that whilst monsoon rains supply adequate water to grow a main season rice crop, agricultural diversity is currently constrained by the limited availability of good quality irrigation water in the dry season. There is a tipping point of water salinity around four parts per thousand beyond which soil salinity accumulates. Although the development of soil salinity is an environmental process, soil salinisation is closely linked to farmers’ behaviour and land use practices. It is also closely associated with the decline in other ecosystem services associated with water regulation.
447-467
Clarke, Derek
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Lazar, Attila
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Saleh, Abul Fazal M.
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Jahiruddin, MOhammed
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Clarke, Derek
9746f367-1df2-4e0e-8d71-5ecfc9ddd000
Lazar, Attila
d7f835e7-1e3d-4742-b366-af19cf5fc881
Saleh, Abul Fazal M.
859e22d8-6db4-4dd0-95a7-42634e7afe6d
Jahiruddin, MOhammed
ac255724-0e2a-407a-9029-073f65844232
Clarke, Derek, Lazar, Attila, Saleh, Abul Fazal M. and Jahiruddin, MOhammed
(2018)
Prospects for agriculture under climate change and soil salinisation.
In,
Ecosystem Services for Well-Being in Deltas.
Palgrave Macmillan, .
(doi:10.1007/978-3-319-71093-8_24).
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Book Section
Abstract
Agriculture is the largest and most important provisioning ecosystem in the Ganges-Brahmaputra-Meghna delta and is significantly affected by levels of soil and water salinity. Model-based assessment using both soil moisture and salt balance models indicate that whilst monsoon rains supply adequate water to grow a main season rice crop, agricultural diversity is currently constrained by the limited availability of good quality irrigation water in the dry season. There is a tipping point of water salinity around four parts per thousand beyond which soil salinity accumulates. Although the development of soil salinity is an environmental process, soil salinisation is closely linked to farmers’ behaviour and land use practices. It is also closely associated with the decline in other ecosystem services associated with water regulation.
Text
CHAPTER 24 Clarke2018_Chapter_ProspectsForAgricultureUnderCl
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Accepted/In Press date: 22 May 2018
e-pub ahead of print date: 30 May 2018
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Local EPrints ID: 424610
URI: http://eprints.soton.ac.uk/id/eprint/424610
PURE UUID: 05f262a7-a235-4936-8dd3-fd7992ab54a2
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Date deposited: 05 Oct 2018 11:39
Last modified: 16 Mar 2024 07:01
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Author:
Abul Fazal M. Saleh
Author:
MOhammed Jahiruddin
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