Photosynthetica 2005, 43(3):463-466 | DOI: 10.1007/s11099-005-0074-2

Effects of microenvironment on net photosynthetic rate and growth of four tropical species in the La Mesa watershed

S. Y. Woo1,*, D. K. Lee2, Y. K. Lee2
1 Department of Environmental Horticulture, University of Seoul, Seoul, Republic of Korea
2 Department of Forest Sciences, College of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea

Seedlings of four tree species (Bischofia javanica, Dracontomelon dao, Erythrina orientalis, and Pterocarpus indicus) were planted in flat and sloping grassland in plantation sites established in May 2002 in the La Mesa watershed, Philippines. Tree growth and net photosynthetic rate (PN) were monitored. The height, diameter at the root collar, and PN of the four species grown in the sloping grass site were larger than those of seedlings grown in the flat grass site. In addition, soil moisture contents in the sloping grass site were higher than those of the flat grass site. Growth of the four species was probably strongly associated with microenvironments (e.g. air temperature) in both tested sites.

Additional key words: air temperature; Bischofia javanica; Dracontomelon dao; Erythrina orientalis; grassland; moisture contents; Pterocarpus indicus; shade tolerance

Received: June 7, 2004; Accepted: October 11, 2004; Published: September 1, 2005  Show citation

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Woo, S.Y., Lee, D.K., & Lee, Y.K. (2005). Effects of microenvironment on net photosynthetic rate and growth of four tropical species in the La Mesa watershed. Photosynthetica, 43(3), 463-466. doi: 10.1007/s11099-005-0074-2
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