秃杉混交林生产力和林分结构的研究

对秃杉杉木檫树混交林、秃杉杉木混交林以及秃杉、杉木纯林的生物量及其空间结构进行研究 ,结果表明 :秃杉混交林比秃杉纯林具有更高的生产力 ,混交林中又以秃杉杉木檫树混交林的生产力最高 ,林分总蓄积量达 87.59m3·hm-2 ,总生物量达 77.58t·hm-2 ,分别比秃杉纯林高 43 .3 %和 3 2 .4% .混交林林分具有一定成层性 ,林分结构比秃杉纯林更有利于生物量的积累 ,而且秃杉的生长比杉木更快、更好

Study on the Biomass and Structure of Mixed Forests of Taiw ania flousiana

A comparative study was made on the productivity and stand structure among different kinds of mixed forests of T.flousian a and pure forests of T.flousiana and C.lanceolata.The results showed that the mixed forests had higher productivity than pur e forests; the mixed forests of T.flousiana, C.lanceolata and S.tzumu had a maximal productivity; that the stand stock and bioma ss of the mixed forest (T.flousiana, C.lanceolata.and S.tzumu) increased by 43.3% and 32.4% respectively as compared with th e pure stand of T.flousiana, which was 87.59 m3*hm-2 and 77.58 t*hm-2; that the mixed forests were more rational than pure for es t, whose stand structure would enable the mixed forest to yield more out-turn a nd biomass and in which the growth of T.flousiana is faster than th at of C. lanceolata.