content was the dominant factor contributing to WUE. 4.0 4.0 3.5 3.5 3.0 and the average during 5-years was 1.90 g C kg-1 H2O. Tong, et. al., suggest that soil water GPP ET WUE GPP ET WUE 2.5 3.0 1) kgH2O-2.5 2.0 gC (2.0 1.5 WUE 1.5 1.0 0.5 1.0 0.5 0.0 2013 2014 2015 300 300 250 250 200 200 150 150 100 100 50 50 0 Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr GPP (gC m-2 month-1), ET (kgH2O m-2 month-1) Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr Wet Dry Wet Dry 0.0 0 2013 2014 2015 WUE (gC kgH2O-1) GPP (gC m-2 month-1), ET (kgH2O m-2 month-1) Wet Dry Wet Dry Fig.2 Monthly gross primary productivity (GPP; grey bar pattern fill), evapotranspiration (ET; blue solid fill) and ecosystem water use efficiency (WUE; red circles line) during study period in dry dipterocarp forest 300 GPP (g C m-2 month-1) ET (kg H2O m-2 month-1) 1) month-2 m-C g y = 2.756x - 20.01 (GPP R² = 0.815, P<0.01 0 25 50 75 100 125 150 300 250 250 200 200 150 150 100 100 50 50 0 y = 2.756x - 20.01 R² = 0.815, P<0.01 0 25 50 75 100 125 150 0 ET (kg H2O m-2 month-1) Fig.3 Relationship between monthly gross primary productivity (GPP) and evapotranspiration (ET) during study period (2013-2015) in dry dipterocarp forest 270 Proceedings of the International Conference on Climate Change, Biodiversity and Ecosystem Services for the Sustainable Development Goals (SDGs): Policy and Practice 27-29 June 2016, Cha-am, Phetchaburi, Thailand
Proceedings of International Conference on Climate Change, Biodiversity and Ecosystem Services for the Sustainable Development Goals : Policy and Practice 27-29 June 2016 at the Sirindhorn International Environmental Park, Cha-am, Phetchaburi, Thailand
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