NEE = RE - GPP where RE is estimated basing on the amount of CO2 released during the night time 19, 20. III. RESULTS AND DISCUSSIONS A. Climate conditions The climate trend between 2009-2011 and 2014-April 2016 was shown in Fig.1. During these periods two El Niño events were observed. NOAA 8 reported that the El Niño occurred since July 2009 to May 2010 and February 2015-the present (April 2016), consistent with the observed drought at the study forest site. The maximum temperatures during the study period were 39.6, 40.6 and 41.7oC in 2010, 2015 and 2016 in April and these were 37.0 and 36.3oC in 2009, 2011 in March. During the dry season (November to April of the following year), long drought was found due to less rainfall (<5 mm) for whole season during 2009-2010 and 2015-2016. The sums of rainfall were 59.10+9.83 and 71.40 +9.22 mm, respectively. These ere 240.70 55.51 and 279.40+37.32 mm during 2010- 2011 and 2014-2015, respectively (rainfall in normal year was significant higher than El Niño year, p<0.02). Fig.1 Climate conditions a) monthly air temperature consisted of maximum air temperature (Tmax), mean temperature (Tmean), minimum temperature (Tmin) and monthly rainfall b) monthly soil moisture and soil temperature 306 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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