Impact of water management interventions on hydrology and ecosystem services in Garhkundar-Dabar watershed of Bundelkhand region, Central India

Singh, R and Garg, K K and Wani, S P and Tewari, R K and Dhyani, S K (2014) Impact of water management interventions on hydrology and ecosystem services in Garhkundar-Dabar watershed of Bundelkhand region, Central India. Journal of Hydrology, 509. pp. 132-149. ISSN 0022-1694

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Abstract

Bundelkhand region of Central India is a hot spot of water scarcity, land degradation, poverty and poor socio-economic status. Impacts of integrated watershed development (IWD) interventions on water balance and different ecosystem services are analyzed in one of the selected watershed of 850 ha in Bundelkhand region. Improved soil, water and crop management interventions in Garhkundar-Dabar (GKD) watershed of Bundelkhand region in India enhanced ET to 64% as compared to 58% in untreated (control) watershed receiving 815 mm annual average rainfall. Reduced storm flow (21% vs. 34%) along with increased base flow (4.5% vs. 1.2%) and groundwater recharge (11% vs. 7%) of total rainfall received were recorded in treated watershed as compared to untreated control watershed. Economic Water productivity and total income increased from 2.5 to 5.0 INR m-3 and 11500 to 27500 INR ha-1 yr-1 after implementing integrated watershed development interventions in GKD watershed, respectively. Moreover IWD interventions helped in reducing soil loss more than 50% compared to control watershed. The results demonstrated that integrated watershed management practices addressed issues of poverty in GKD watershed. Benefit to cost ratio of project interventions was found three and pay back period within four years suggest economic feasibility to scale-up IWD interventions in Bundelkhend region. Scaling-up of integrated watershed management in drought prone rainfed areas with enabling policy and institutional support is expected to promote equity and livelihood along with strengthening various ecosystem services, however, region-specific analysis is needed to assess trade-offs for downstream areas along with onsite impact.

Item Type:	Article
Divisions:	RP-Resilient Dryland Systems
CRP:	CGIAR Research Program on Water, Land and Ecosystems (WLE)
Subjects:	Others > Watershed Management
Depositing User:	Mr Sanat Kumar Behera
Date Deposited:	27 Nov 2013 04:12
Last Modified:	19 Aug 2016 08:31
URI:	http://oar.icrisat.org/id/eprint/7262
Official URL:	http://dx.doi.org/10.1016/j.jhydrol.2013.11.030
Projects:	UNSPECIFIED
Funders:	Indian Council of Agricultural Research
Acknowledgement:	We thank the team of NRCAF for collecting and providing historical research data and their support. We are grateful to the Garhkundar watershed community for participating and implementing the watershed development program; and to funding agency, Indian Council of Agricultural Research (ICAR) for providing development funds. Collaboration with ICRISAT for analyzing data for manuscript from CGIAR Research Program on Water, Land and Ecosystems is acknowledged. We are grateful to two anonymous reviewers. They provided insightful comments and important suggestions, which greatly helped to improve manuscript.
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