The geomorphology and ecosystem service economic value baselines of tributary watersheds in Malaysia

Casey Keat-Chuan Ng (), Peter Aun-Chuan Ooi (), Wey-Lim Wong () and Gideon Khoo ()
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Casey Keat-Chuan Ng: Universiti Tunku Abdul Rahman, Jalan Universiti Bandar Barat
Peter Aun-Chuan Ooi: Universiti Tunku Abdul Rahman, Jalan Universiti Bandar Barat
Wey-Lim Wong: Universiti Tunku Abdul Rahman, Jalan Universiti Bandar Barat
Gideon Khoo: Universiti Tunku Abdul Rahman, Jalan Universiti Bandar Barat

Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, 2021, vol. 23, issue 10, No 12, 14472-14493

Abstract: Abstract This study presents how a cluster of tributary watersheds was evaluated for geomorphology and ecosystem service economic value baselines. Tributary watersheds, although small, were focused herein as they are practical for community-based conservation. Based on the Market-Price Method, the watersheds were estimated to be worth USD49.59 ha−1 year−1 at the time of this study and USD58.13 ha−1 year−1 in 2026. The watersheds were able to meet water demand of 20.94 megalitre day−1 required by the 93,084 local populations during the worst-case scenario induced by a peak El Niño and Southern Oscillation event in 2016. Collectively, the watersheds were contributing 703.87 megalitre day−1; thus, water shortages are not expected in near future, unless if they are compromised. The data acquired are also compared with studies elsewhere, and some insights on other baseline metrics, risk factors and humanizing watershed conservation are discussed.

Keywords: Ecosystem service; Planning; Policy; River; Water basin (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1007/s10668-021-01253-y

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