Study on the Biomass and Distribution Pattern of Undergrowth Vegetation in Four Types of Planted Forests in Changsha

Abstract

Abstract: With four types of planted forests in urban-rural fringe area of Changsha as the research object, the distribution pattern of undergrowth vegetation biomass was analyzed. The results showed that the order of living-undervegetation biomass in the forests was above ground part>under ground part; litter biomass was decomposed>semi-decomposition>undecomposed, while the proportion of litter biomass in undercover biomass is largest in different forests, and the content is between 50%~76%.Except Cunninghamia lanceolata forest, the proportion of herb biomass is smallest in other three forests; the difference among total biomass was significant. Pinus elliottii forest biomass was 28.75t/hm², which was significantry bigger than the other three forests; biomass of living-undervegetation in Pinus elliottii forest was largest and reached 8.46t/hm²; biomass order of sapling was Pinus elliottii>Liquidambar formosana>Cunninghamia lanceolata>Cinnamomum camphora; biomass order of shrub was Liquidambar formosana>Pinus elliottii>Cinnamomum camphora>Cunninghamia lanceolata; biomass order of herb was Cunninghamia lanceolata>Pinus elliottii>Liquidambar formosana>Cinnamomum camphora; biomass order of litter was same with herb.

Key words: urban-rural fringe, undergrowth vegetation, biomass, distribution pattern

CLC Number:

S718

CHEN Caihong. Study on the Biomass and Distribution Pattern of Undergrowth Vegetation in Four Types of Planted Forests in Changsha[J]. FOREST RESOURCES WANAGEMENT, 2010, 0(3): 49-53.

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