Type Classification and Tree Species Composition Characteristics of Pinus koraiensis Secondary Mixed Forest Based on Subcompartment Scale
The existing survey data of 365 subcompartments of secondary mixed forest of Pinus koraiensis in Mu-danjiang City in 2017 were taken as the research objects,the varieties,quantity and section area of breast height of subcompartments tree species were selected.Through cluster analysis,the secondary mixed forest of Pinus koraien-sis was divided into four types.By calculating the relative abundance,relative frequency,relative dominance and im-portance value,the tree species composition characteristics of different types of secondary mixed forest of Pinus ko-raiensis were analyzed.The results showed that the Pinus koraiensis secondary mixed forest could be divided into four types,including broad-leaved secondary mixed forest of Tilia and Pinuskoraiensis,coniferous and broad-leaved secondary mixed forest of spruce-fir and Pinus koraiensis,broad-leaved secondary mixed forest of poplar-birch and Pinuskoraiensis,broad-leaved secondary mixed forest of Quercus mongolica and Pinus koraiensis.
Pinus koraiensissecondary foresttree species compositionstand classificationsubcompartment
万方数据
维普
