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Analysis of canopy temperature depression between tropical rainforest and rubber plantation in Southwest China
Myo, Sai Tay Zar1,2; Zhang, Yiping; Song, Qing-Hai; Deng, Yun3; Fei, Xuehai; Zhou, Ruiwu1; Lin, Youxing1; Zhou, Liguo1; Zhang, Peng1
2019
Source PublicationIFOREST-BIOGEOSCIENCES AND FORESTRY
ISSN1971-7458
Volume12Issue:xPages:518-526
Abstract

Temperature change is an important environmental variable for global change sciences since it largely affects the physiology of plants in forest ecosystems. Canopy temperature depression (CTD) - the result of the deviation of the air temperature (Ta) from the plant canopy surface temperature (Tc) - varies depending on the meteorological and environmental conditions of the forests. Here, we evaluated the differences in CTD between a rubber plantation (RP) and a tropical rainforest (TR) in Xishuangbanna, southwestern China across the various time series of the period of 2011 to 2015. The mean maximum CTD values at the TR site and the RP site were 2.4 degrees C and 0.6 degrees C at diurnal level, 1.3 degrees C and -0.5 degrees C at monthly level, 0.6 degrees C and -0.8 degrees C at seasonal level and 5.6 degrees C and 0.2 degrees C at yearly time series level, respectively, while they were only significant (p < 0.01) in the diurnal time series. There was a significant (p < 0.01) negative linear relationship between CTD and global radiation (Q) in both sites at diurnal level and a significant (p < 0.05) negative linear relationship in the RP site at monthly time series level. A significant (p < 0.05) positive linear relationship between CTD and precipitation (P) at the RP site was found at diurnal level, as well as a significant (p < 0.01) positive linear relationship in the TR site at monthly time series level. The variation of CTD was critical for these two sites and largely depended on the amount of global radiation and the precipitation, while it will mainly affect the physiological variables. This study may prove useful for assessing the physiological response in terms of high temperature and drought conditions to regional and global change.

KeywordCanopy Temperature Depression Global Radiation Precipitation Tropical Rainforest Rubber Plantation
Subject AreaForestry
DOI10.3832/ifor3101-012
Indexed BySCI
Language英语
WOS IDWOS:000507335100001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/11590
Collection全球变化研究组
Affiliation1.Chinese Acad Sci, CAS Key Lab Trop Forest Ecol, Xishuangbanna Trop Bot Garden, Menglun 666303, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Minist Nat Resources & Environm Conservat, Myanma Timber Enterprise, Yangon 11011, Myanmar
4.Chinese Acad Sci, Xishuangbanna Stn Trop Rainforest Ecosyst Studies, Menglun 666303, Peoples R China
Recommended Citation
GB/T 7714
Myo, Sai Tay Zar,Zhang, Yiping,Song, Qing-Hai,et al. Analysis of canopy temperature depression between tropical rainforest and rubber plantation in Southwest China[J]. IFOREST-BIOGEOSCIENCES AND FORESTRY,2019,12(x):518-526.
APA Myo, Sai Tay Zar.,Zhang, Yiping.,Song, Qing-Hai.,Deng, Yun.,Fei, Xuehai.,...&Zhang, Peng.(2019).Analysis of canopy temperature depression between tropical rainforest and rubber plantation in Southwest China.IFOREST-BIOGEOSCIENCES AND FORESTRY,12(x),518-526.
MLA Myo, Sai Tay Zar,et al."Analysis of canopy temperature depression between tropical rainforest and rubber plantation in Southwest China".IFOREST-BIOGEOSCIENCES AND FORESTRY 12.x(2019):518-526.
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