摘要
本文从林分结构、生物量、群落特征、生产力、培肥土壤、涵养水源及林内小气候等方面对不同混交模式的杉木拟赤杨混交林及其纯林进行的研究结果表明：杉木拟赤杨是具有较高生产力和协调种间关系能力的针阔混交树种。７年生３１带状混交林蓄积量和生物量分别比杉木纯林提高７．２４％和１８．２２％，同时混交林还表现出比杉木纯林更好的培肥土壤、涵养水源、改善林内小气候等生态功能。应用ＡＨＰ法进行不同混交模式的综合选择结果表明：３１杉木拟赤杨带状混交模式是值得南方林区大力推广的杉阔混交模式。
The different mixed models of Cunninghamia lanceolata and Alniphyllum fortunei and their pure forests were studied in this paper by comparing the stand structure,biomass,community character,productivity and ecological benefits.The results showed that the mixed forests of C. lanceolata and A.fortunei were a new mixed model having higher productivity and more coordinative interspecific relationship.The volume and biomass of seven year old mixed forest (3 C.lanceolata:1 A.fortunei ) increased by 7 24% and 18 22% than those of the pure stands respectively.Moreover,the mixed forests had better ecological function to ameliorate soil fertility,conserve water and improve microclimate than the pure forests.By means of Analytic Hierarchy Process,it was recognized that the mixed forest of 3 C.lanceolata with 1 A.fortunei was a practicable mixed model in southern China.
出处
《植物生态学报》
CAS
CSCD
北大核心
1998年第2期178-185,共8页
Chinese Journal of Plant Ecology
关键词
混交林
生产力
生态效益
杉木
拟赤杨
Mixed forest,Productivity,Ecological benefit,Soil degradation
