|
Wenquan section of Guangcong Road is an important corridor for local tourism. Eco-landscaping forests were constructed along both roadsides with four broadleaf species, including Elaeocarpus sylvestris, Castanopsis fissa, Liquidambar formosana and Delonix regia in 2005. Preservation rate, height, diameter at breast height (DBH) and crown size were investigated in early three years. Two year old E. sylvestris, C. fissa, and L. formosana displayed high preservation rate more than 96%, but D. regia showed relatively low rate of 94.4%. There were significant differences of three growth traits among tree species and sites. The species order of growth traits was C. fissa > E. sylvestris >L. formosana >D. regia. The growth traits were the highest at uphill, intermediate at mesoslope and the lowest at downhill. E. sylvestris, C. fissa, and L. formosana had obvious trunks with beautiful tree form and leaf morphology, suggesting their suitability for eco-landscaping, whereas D. regia showed a high percentage of tufted stems with poor tree form, indicating their improperness of planting at hills.
|
过刊浏览