不同坡位6年生杉木木荷混交林生物量分布格局分析

对不同坡位6年生杉木木荷混交林林分生长及生物量进行分析研究。研究结果表明,杉木木荷混交林平均胸径、平均树高生长量以及地上部分和地下部分各个器官生物量均体现为下坡位>中坡位>上坡位;杉木各器官生物量表现为树干>树叶>树枝,木荷各器官生物量表现为树干>树枝>树叶;就杉木及木荷不同径级根生物量差异而言,杉木各径级根表现为骨骼根>中根>大根>粗根>小根>细根,木荷则表现为骨骼根>中根>大根>小根>细根。

Biomass and Distribution Rate of 6-year Old Mixed Forests of Cunninghamia lanceolata and Schima superba under Different Slope

The biomass of above and under ground of 6-year old mixed forests of Cunninghamia lanceolata and Schima superba and its distribution rate under different slope were analyzed and studied in this paper.The result showed that the increasement of average diameter at breast height,average tree height and each organ of above-ground and under-ground part of C.lanceolata and S.superba mixed forest under different slope were showed lowslope midslope upslope;Each organ of above-ground of C.lanceolata under different slope was in order as trunks leaves branches,and each organ of above-ground of S.superba under different slope was in order as trunks branches leaves;As far as biomass distribution rate of different-size roots of mean tree under different slopes were concerned,C.lanceolata were showed stump root middle root big root large root fine root rootlet,and S.superba were showed stump root middle root big root fine root rootlet.