摘要
Studies in the environment effectof economical landscape forest modelalong the Grand Canal in Yangzhou Thetest showed that Noises in the afforestedregion were decreased by 3-10dBcomparisons with non-afforested region.Leafy, hardness and overlapping rangingtrees are better than others. The shortbranches forest coronet trees such as Sabinachinensis cv.Kaizuka, Ligustrum lucidumAit et.are better apparently effect ondecreasing noises than.highers.Theillumination distribution at differentaltitude was gradually decreasing fromabove forests coronet to forest earth.
Studies in the environment effect of economical landscape forest model along the Grand Canal in Yangzhou The test showed that Noises in the afforested region were decreased by 3-10dB comparisons with non-afforested region. Leafy, hardness and overlapping ranging trees are better than others. The short branches forest coronet trees such as Sabina chinensis cv.Kaizuka, Ligustrum lucidum Ait et.are better apparently effect on decreasing noises than.highers.The illumination distribution at different altitude was gradually decreasing from above forests coronet to forest earth.
出处
《中国城市林业》
2005年第6期20-22,共3页
Journal of Chinese Urban Forestry
基金
国家科学技术部"十五"攻关重大专项
"中国森林生态网络体系‘点’的研究与示范"(2002BA516A-07)研究的部分成果。
