Large-scale reforestation can increase water yield and reduce drought risk for water-insecure regions in the Asia-Pacific

Hoong Chen Teo, Srivatsan Raghavan, Xiaogang He, Zhenzhong Zeng, Yanyan Cheng, Xiangzhong Luo, Alex Lechner, Matthew Ashfold, Aakash Lamba, Rachakonda Sreekar, Qiming Zheng, Anping Chen & Lian Pin Koh
Large-scale reforestation can potentially bring both benefits and risks to the water cycle, which needs to be better quantified under future climates to inform reforestation decisions. We identified 477 water-insecure basins worldwide accounting for 44.6% (380.2 Mha) of the global reforestation potential. As many of these basins are in the Asia-Pacific, we used regional coupled land-climate modelling for the period 2041–2070 to reveal that reforestation increases evapotranspiration and precipitation for most water-insecure regions over the...
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