|
Litter amounts, water holding capacity and absorption rates were studied in plantations of Cunninghamia lanceolata, Pinus massoniana, Pinus elliottii, Acacia mangium, Eucalyptus urophylla, Castanopsis fissa and Phyllostachys edulis in Guangdong Province. The proportional water holding capacity as a percentage of the litter dry weight in A. mangium，E. urophylla, C. fissa, P. elliottii, P. edulis, P. massoniana, C. lanceolata plantations were 284.74% , 253.36% , 236.47% , 226.06% , 212.06% , 187.68% and 181.16% , respectively. The total water holding capacity and proportional water holding capacity of litter increased logarithmically according to the equation W=a+bLn(t) with increasing time immersed in water. The water absorption rate of litter was A. mangium> E. urophylla > P. elliottii > P. edulis > C. fissa > P. massoniana > C. lanceolata . Water absorption rates of litter in all plantations decreased according to equation WA=a•t-b with increasing time immersed in water.
|
过刊浏览