4[22]Smith F W,Sampson D A,Long J N.Comparison of leaf area index estimates from tree allometrics and measured light interception.For Sci,1991,37:1682-1688
5[23]Bartelink H.Allometric relationships for biomass and leaf area of beech (Fagus sylvatica L.).Ann Sci Forest,1997,54:39-50
6[24]Gower S T,Norman J M.Rapid estimation of leaf area index in conifer and broad-leaf plantations.Ecology,1991,72:1896-1900
7[25]Le Dantec V,Dufrene E,Saugier B.Inter annual and spatial variation in maximum leaf area index of temperate deciduous stands.Forest Ecol Manag,2000,134:71-81
8[26]Grier C C,Waring R H.Conifer mass related to sapwood area.For Sci,1974,20:205-206
9[27]Snell J K,Brown J K.Comparison of tree biomass estimators DBH and sapwood area.For Sci,1981,24:455-457
10[30]Chiba Y.Plant form analysis based on the pipe model I.Astatic model within the crown.Ecol Res,1990,5:207-220