不同林分林下枯落物持水功能研究

The water holding capability of litters of different forest types

对鹰嘴界自然保护区阔叶林、杉木毛竹混交林和杉木林的林下枯落物贮量与持水性能等进行了研究。结果表明:3种不同林分林下枯落物总贮量在5.13～6.50 t/hm2之间,其大小顺序为:杉木毛竹混交林>阔叶林>杉木林。枯落物最大持水量差异明显,其大小顺序为阔叶林(19.00 t/hm2)>杉木毛竹混交林(15.72 t/hm2)>杉木林(11.09 t/hm2)。枯落物有效持水量在0.93～1.62 mm之间。

The biomass and water holding capacity of forest litter of the broad leaf forest, mixed forest of Chinese fir and moso bamboo, Chinese fir forest in the Yingzuijie Nature Reserve were researched. The results indicated that, 3 different types of forest litter total storage was in the range of S. 13 ~ 6. 50 t/h㎡ and showed a sequence of the mixed forest of Chinese fir and moso bamboo 〉 broad leaf forest 〉 Chinese fir forest, There was a notable difference of maximum water-holding capacity of forest litter and showed a sequence of the broad leaf forest.（ 19.00 t/h㎡ ） 〉 mixed forest of Chinese fir and moso bamboo （ 15.72 t/h㎡ ） 〉 Chinese fir forest （ 11.09 t/ h㎡） . The effective water holding canacitv of forest litter was in the range of 0. 93 N 1.62 mm.