The spatial distribution patterns of rainfall use efficiency (RUE) of evergreen coniferous forests in Chinese subtropical zone
Rainfall use efficiency (RUE) of subtropics evergreen coniferous forests and RUE spatial patterns in Chinese subtropical zone were estimated. RUE and ecosystem net primary productivity (NPP) spatial distribution, as well as the relationship between RUE and rainfall were particularly focused. RUE of subtropical evergreen coniferous forests and the spatial patterns were estimated based on the data collected from the related weather stations and peer-reviewed literatures. In our study, a gradually increasing tendency of NPP from northwestern to southeastern part of the subtropical zone is observed. No significant differences in RUE among these tree species are visible. RUE of the evergreen coniferous forests reduces as the rainfall increases. RUE reaches the peak when rainfall is less than 700 mm. However, the distribution of RUE is not evident. In linear regression, longitude, latitude, and PAR account for approximately 1.4% of the variability in RUE. These findings suggest that the RUE of evergreen coniferous forests in southern China has a functional convergence.
Barbour MM, Whitehead D (2003). A demonstration of the theoretical prediction that sap velocity is related to wood density in the conifer Dacrydium cupressinum. New Phytologist 158:477-488.
Bohn BA, Kershner JL (2002). Establishing aquatic restoration priorities using a watershed approach. Journal of Environmental Management 64:355-363.
Goetz SJ, Prince SD (1999). Modeling terrestrial carbon exchange and storage: evidence and implications of functional convergence in light-use efficiency. Advances in Ecological Research 28:57-92.
Hu ZM, Yu GR, Wang QF, Zhao FH (2009). Ecosystem level water use efficiency: A review. Acta Ecologica Sinica 29:1498-1507.
Huxman TE, Smith MD, Fay PA, Kanpp AK, Shaw MR, Loik ME, … Williams DG (2004). Convergence across biomes to a common rain-use efficiency. Nature 429:651-654.
Liu CW, Wang Q, Liu QL, Guan XK, Yang Y, Zhang EH (2013). Effects of stubble-standing mode on the grain yield and water use efficiency of wheat and maize in wheat/maize intercropping system. Chinese Journal of Applied Ecology 24:438-444.
Llorens L, Osborne CP, Beerling DJ (2009). Water-use responses of ‘living fossil’ conifers to CO2 enrichment in a simulated Cretaceous polar environment. Annals of Botany 104:179-188.
Lu TW, Wang BR (1992). Climate in Chinese Subtropical Zone. Beijing: Meteorology Press.
Luo TX (1996). Patterns of net primary productivity for Chinese major forest types and their mathematical models. Ph.D. dissertation. The commission for integrated survey of natural resources Chinese Academy of Sciences, Chinese Academy of Sciences.
Ouyang S, Wang X, Wu Y, Sun OJ (2014). Contrasting responses of net primary productivity to inter-annual variability and changes of climate among three forest types in northern China. Journal of Plant Ecology 7(3):309-320.
Piao SL, Fang JY, Guo QH (2001). Application of CASA model to the estimation of Chinese terrestrial net primary productivity. Acta Phytoecologica Sinica 25:603-608.
Ponton S, Flanagan LB, Alstad KP, Johnson BG, Morgenstern K, Kljunl N, … Barr AG (2006). Comparison of ecosystem water-use efficiency among Douglas-fir forest, aspen forest and grassland using eddy covariance and carbon isotope techniques. Global Change Biology 12:294-310.
Reich PB, Uhl C, Walters MB, Ellsworth DS (1991). Leaf lifespan as a determinant of leaf structure and function among 23 Amazonian tree species. Oecologia 86:16-24.
Si HS (1989). Developmental tendency and the related strategy of the subtropical and the tropical forests in China. Practical Techniques in Forestry 6:2-4.
Tang GY, Wu JS, Su YR, Zheng H, Li K (2009). Content and density characteristics of soil organic carbon in typical landscapes of Subtropical Region. Environmental Sciences 30:2048-2052.
Xiao WF, Xu DY (1999). Ecophysiological bases of energy use and productivity in forests. Beijing: Forestry Press of China, pp 42-53.
Yu Q, Xie XQ, Sun SF, Wang TD, Lu PL (1999). Advances in simulation of plant photosynthetic productivity and canopy evapotranspiration. Acta Phytoecologica Sinica 19:744-753.
Yu G, Wang Q, Zhuang J (2004). Modeling the water use efficiency of soybean and maize plants under environmental stresses: application of a synthetic model of photosynthesis-transpiration based on stomatal behavior. Journal of Plant Physiology 161:308-318.
Yu G, Song X, Wang Q, Liu Y, Guan D, Yan J, … Wen X (2008). Water-use efficiency of forest ecosystems in eastern China and its relations to climatic variables. New Phytologist 177:927-937.
Copyright (c) 2020 Notulae Botanicae Horti Agrobotanici Cluj-Napoca
This work is licensed under a Creative Commons Attribution 4.0 International License.
Open Access Journal:
The journal allows the author(s) to retain publishing rights without restriction. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles, or use them for any other lawful purpose, without asking prior permission from the publisher or the author.