1、 Adviser Dr. Chaur-Tzuhn Chen Seasonal Variation of Litterfall in Lowland Rain Forest of Nanjenshan By Kuei-Yuan Li B8712019 January, 2002 I .1 .2 5 6 .8 8 8 8 13 .13 .15 .15 16 .16 .16 18 18 23 26 .30 .32 II 3-1 .9 3-2 11 3-3 14 3-4 15 3-5 16 3-6 16 3-7 16 4-1 18 4-2 4-3 27 4-4 28 4-5 28 4-6 29 4-7
2、 29 III 2-1 3 4-1 (ton/ha). 18 4-2 20 4-3 20 4-4 21 4-5 23 4-6 24 4-7 25 4-8 26 4-9 .26 IV Leaf Area Index LAI 50 50cm 34 CI-110 75.9 7.33ton/ha =16.207 1.8091(R 2 =0.424) =28.844 2.0437(R=0.577) V (Litterfall) (Maggs, 1985) Meentemeyer et al. 1982 Facelli et al., 1991 1994 ( 1991) ( 1990) 1 Bray an
3、d Gorham(1964) Kumar and Deepu(1992) ( 1994) (1998) (1994) 11 3 1 ( 2000) 2 2 ( 1997 1998) ( 2000) 2-1 2-1 (ton/ha*year) 4.585.1 ( 1994) 5.4611.84 ( 1997) 6.56 ( 1997) 9.4311.77 ( 1998) 5.87 ( 2000) 5.165.81 ( 1994) 2.29 ( 1989) 5.05 ( 1998) 5.16.3 ( 2000) 3 (2000) (Van Leeuwen, 1997) (Andrieu et al
4、. 1997) 4 (Crown Closure) 1 ( 1996) 2 1996 3 10 ( 1987) 4 ( 1987) 5 500m 1000m 500m 300m (IUCN Plant Conservation Office, 1990) 1996 1992 ( 1991) 2-6m 15m 12-15m 20 ( 1990) 6 (1994) 3 4 9-12 7 2000 10 2001 9 1982 4844ha 3-1 8 3-1 1000 0 1000 2000 3000 Meters N 479 520 N # 9 23.8 c 1 19.7 c 7 27.2 c 4-8 C 5 9 2.37 m/sec 10 3 5.0 m/sec 3250 mm 75 % 5-8 10 (A) (B) (c) 3-2 (A) (B) (C) 1996 2001 11 Floristic Potential 1991 30 4.63 0.88 m 5.2 m 20065 6.13 1.45 m 6.6 m 12219 8.41 1.73 m 8.4 m 7505 50 m 9.45 1.35 m 8.54 m 4257 526 479 250 57.43 % 30 42.00 % 12 1991
