扬州古运河风光带生态景观型林地模式的环境效应

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.

基金资助

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。