2011 10 22 10 Chinese Journal of Applied Ecology Oct 2011 22 10 2581-2588 * 1 2 1** 1 2 1 1 1 1 1 100101 2 100049 1999 2003 1030 2004 2013 455 10 2004 2013 11 37 Tg C a -1 1 Tg = 10 12 g 4 34 Tg C a -1 3 6 54±3 9 3 81±2 02 2 35±0 6 2 64±1 28 1 42±0 69 1 15±0 29 Tg C a -1 1001-9332 2011 10-2581-08 X24 A Carbon sequestration potential of forest vegetation in Jiangxi and Zhejiang provinces based on national forest inventory NIE Hao 1 2 WANG Shao-qiang 1 ZHOU Lei 1 2 WANG Jingyuan 1 ZHANG You 1 DENG Ze-wen 1 YANG Feng-ting 1 1 Key Laboratory of Ecosystem Network Observation and Modeling Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Beijing 100101 China 2 Graduate University of Chinese Academy of Sciences Beijing 100049 China -Chin J Appl Ecol 2011 22 10 2581-2588 Abstract Based on the sixth national forest inventory 1999-2003 and the investigation data of 1030 forest sampling plots in subtropical China collected from publications and by using stand growth empirical equation this paper estimated the carbon sequestration potential of forest vegetation under natural growth in Jiangxi and Zhejiang provinces in 2004-2013 In the meanwhile the effects of three forest management measures including interplanting selective thinning and fertilization on the future forest carbon sequestration were explored by using the survey data of 455 sampling plots In 2004-2013 the mean annual carbon sequestration potential of forest vegetation under natural growth in Jiangxi and Zhejiang could reach 11 37 and 4 34 Tg C a -1 1 Tg = 10 12 g respectively Interplanting could generate the largest carbon sequestration potential of forest vegetation followed by selective thinning and fertilization resulting in an increase in the potential by 6 54±3 9 3 81±2 02 and 2 35±0 6 Tg C a -1 in Jiangxi and by 2 64±1 28 Tg C a - 1 1 42±0 69 and 1 15±0 29 Tg C a -1 in Zhejiang respectively Key words forest carbon sequestration potential carbon sequestration natural carbon sequestration forest management measure CO 2 * KZCX2-YW-305-05 2010DFA22480 2010CB833503 ** E-mail sqwang@ igsnrr ac cn 2011-02-28 2011-07-11 2005 CO 2 380 ml L -1 35% 1 CO 2 UNFCCC
2582 22 17 1319 7 mm 2 1999 550 ±100 Pg 1 Pg = 10 15 g 2003 15 33% 54% 88% 1 CO 2 84% 1 1 2 3-7 1 2 1 8 8 18 9-14 1 2 B = av+b 1 B Mg hm -2 V 15 1999 2003 m 3 hm -2 a b 34 90 20 83 m 3 hm -2 1 2 2 71 21 m 3 hm -2 85% 16-17 Richards 1 1999 2003 Table 1 Distribution of forest in Jiangxi and Zhejiang 1999-2003 3 Province Forestry land Forest cover Area of middlejuvenile forest Area rate of μ10 4 hm 2 rate % μ10 4 hm 2 middle-juvenile forest % 1 1 1 2 24 Table 2 Relationship between volume and biomass of different tree species 07' 29 09' N 114 02' 117 97' E 16 4 ~ 19 8 - R 2 n 1340 ~ 1930 mm 27 06' 31 A 11' N 118 01' 123 10' E Jiangxi 1044 69 55 86 817 48 87 77 Zhejiang 654 79 54 41 465 51 84 04 Species Volume-biomass equation A B = 0 5463V+36 657 0 753 20 B B = 0 4117V+26 113 0 935 70 C B = 0 9031V+34 335 0 920 68 D B = 0 4720V+60 814 0 547 20 Pinus massoniana B Cunninghamia lanceolata C Broadleaf forest D Pinus elliottii The same below
10 2583 7 y = a 1 - be -cx 1 1 -d 2 CC 575 i i VOC Mm m 1999 2003 15 VOC nmm m Age 3 m Error = t SD i / 槡 ni 7 1 t 95% n i 4 t SD i i n i i Cryptomeria fortunci 19 2004 2013 5 A 20 m A m = 1 S m 5 n = 1 S n A n 3 S m m S n A n m n n = 1 2 3 4 5 m A m S% = B i B m 4 CC i = VOC Mm - VOC nmm Age m α = 0 05 S% B i B m 2 2 1 Pot = Richards A m + t - Richards A m 6 1 3 Excel 2003 SPSS 16 0 one-way ANOVA 575 S m % Ca /t 5 1 Pot Richards 0 ~ 25 m A m m 25 t S m % 35 Ca m m 0 ~ 25 1 2 3 455 3 2 2 3 6 85% 7 21 3
2584 22 1 Fig 1 Forest growth curve of different tree species A Pinus massoniana B Cunninghamia lanceolata C Broadleaf forest D Pinus elliottii The same below 15 2 3 21 1% 60 0% 51 5% 21 0% 22 3 Table 3 Carbon sequestration potential of main tree species under natural growth Province 19 Species Average age a Density % Carbon content % A 14 49 48 50 1 52 Jiangxi B 14 46 48 50 1 15 C 19 57 46 25 1 84 D 8 51 48 50 1 49 A 17 43 48 50 1 24 Zhejiang B 14 39 48 50 0 99 C 18 46 46 25 1 50 Carbon sequestration potential t C hm -2 a -1 1 04±0 39 t C hm -2 a -1 79 6% 177 1% 0 59 ± 0 28 t C hm -2 a -1 51 2% 4 3 4
10 2585 4 Table 4 Effect of forest management on carbon sequestration ability of main species Forest management P t 0 05 Species Samples n Carbon sequestration capacity t C hm -2 a -1 A 19 0 59±0 28 <0 01 1 73 Interplanting B 41 1 04±0 39 <0 01 1 68 C 23 0 54±0 51 <0 01 1 71 D 4 1 83±2 01 <0 01 2 13 A 39 0 0 307 1 68 Selective B 44 1 17±0 57 <0 01 1 68 thinning D 14 0 76±0 65 <0 01 1 76 A 106 0 39±0 08 <0 01 1 66 Fertilization B 142 0 38±0 12 <0 01 1 66 D 23 0 46±0 11 <0 01 1 71 2 2004 2013 a b Fig 2 Comparison of carbon sequestration potential in Jiangxi a and Zhejiang provinces b in 2004-2013 420 1 hm 2 3 4 78 0% 86 5% 5 53 9% 20 90 86 5% 85 7% 60 3% 44 2% 7 49 ± 3 1 Tg C a -1 3 02 ±1 2 4 12 Tg C a -1 3 38±1 65 Tg C 2 2004 a -1 1 09±0 34 Tg C a -1 2013 2 49±0 91 Tg C 2 a -1 3 11 37 4 34 Tg C a -1 3 08±1 27 Tg C a -1 91 3% 5 Table 5 Carbon sequestration potential of forest vegetation in Jiangxi and Zhejiang Province Species Area 10 4 hm 2 Natural carbon sequestration potential Interplanting Carbon sequestration capacity Selective thinning Fertilization A 255 41 3 88 1 51±0 72 0 1 00±0 20 Jiangxi B 289 34 3 33 3 01±1 13 3 39±1 65 1 10±0 35 C 179 88 3 31 0 97±0 92 - - D 57 00 0 85 1 04±1 15 0 43±0 37 0 26±0 06 Sum 781 63 11 37 6 54±3 91 3 81±2 02 2 35±0 61 E 3 36 0 04 0 02±0 01 0 0 01 Zhejiang F 4 30 0 05 0 02±0 01 0 0 02 A 166 77 2 07 0 98±0 47 0 0 65±0 13 G 1 68 0 02 0 01±0 01 0 0 01 B 119 29 1 18 1 24±0 47 1 40±0 68 0 45±0 14 H 2 16 0 02 0 02±0 01 0 03±0 01 0 01 C 63 97 0 96 0 35±0 33 - - Sum 361 53 4 34 2 64±1 29 1 42±0 69 1 15±0 29
2586 22 ECupressus funebris F Pinus thunbergii G Pinus densata H Cryptomeria fortunei 6 Table 6 Natural carbon sequestration of forest vegetation in different periods Region Period Forest area 10 6 hm 2 Carbon sequestration Total carbon per unit area sequestration t C hm -2 a -1 Reference China 1989 1993 108 63 0 035 0 32 14 1994 1998 105 82 0 026 0 25 14 1988 2001 107 225 1 64±0 42 175 8±45 0 11 1990 1995 108 63 0 79 85 3 26 1995 2000 105 82 0 96 101 95 26 1982 1993 124 ~ 132 0 46±0 20 58 4±25 8 27 1994 2003 132 ~ 143 0 67±0 32 92 2±43 7 27 2001 2010-1 26 ~ 1 55-28 Jiangxi 1990 1995 - - 3 62 26 1995 2000 - - 8 75 26 Zhejiang 1990 1995 - - 1 78 25 3 3 1 20 80 FAO 14 20 80 0 11 ~ 0 26 t C hm -2 a -1 14 90 0 67 ~ 0 96 t C hm -2 a -1 6 CO 29 2 Nabuurs 30 1 3 2 3 0 03 ~ 0 6 t C hm -2 a -1 23-25 0 22 ~ 0 37 t C hm -2 a -1 CO 2 14 28 20 90 189 Tg C a -1 2020 3 3 2091 2100 33 5 Tg C a -1 22 21 4 1990 2000 1 8% 5 9% ~ 8 9% 23 3 2
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