GEO GRA P HICAL RESEA RCH

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1 GEO GRA P HICAL RESEA RCH Vol127, No14 J uly, ,2, 2,3 3, 4, 1 (11, ; 21, ; 31, ; 41, ) : GLO2PEM 1988 NOAA/ AV HRR, (N PP), N PP ,,, , 0124 %,, : ; N PP ; NOAA/ AV HRR ; GLO2PEM ; ; : (2008) , [1 4 ],,, 20, [5,6 ],, [7 ],,, 13 %,,,,,,,, [8 10 ] N PP N PP,,, / : ; : : ( ) ; ( KZCX22YW ; KSCX22YW2N2039) : (19812),,,, GIS 3 :, E2mail :

2 840 27, TM [11 ] ; NOAA/ AV HRR, [12 ], [8 23 ],, ,, 2, Landsat TM/ ETM, 1 10, ,, 92 % [13 ] 6, 6 : [14,15 ] , 80 90,, , NOAA/ AV HRR, ( Eart h Resources Observation System, EROS), , 10 [16 ] ERDAS, 2, AV HRR ( GCP),, W GS72 NOAA, (Lat Lon), NOAA,, Albers, ( 1), Arc GIS Worksta2 tion polygrid 1 Fig11 Agro2ecological zones in the Huang2Huai2Hai Plain

3 4 : GLO2PEM GLO2PEM Prince [8 ] A PA R N PP, A PAR A PA R N PP [13,17 ] :, 12 N P P = FPA R t PA R t g - Ra (1) t = 1 PA Rt t, g, F PA Rt, Ra [18 24 ] NOAA7, 8, 11, 14 1, 2, 4, 5, ,, N PP [25 ] : dv GC/ dt = N P P - f VL (2), V GC (gc/ m 2 ), f VL (gc/ m 2 a) NOAA/ AV HRR GLO2PEM,, [4,25 27 ],, tc, gC/ m 2 a , ,,,, 200gC/ m 2 a 300gC/ m 2 a ;,, 300gC/ m 2 a 400gC/ m 2 a ;, 500gC/ m 2 a 700gC/ m 2 a,,, ( 4), 1988, 388gC/ m 2 a ;, 382gC/ m 2 a ; 372gC/ m 2 a 302gC/ m 2 a 296gC/ m 2 a ;,

4 842 27, 145gC/ m 2 a,,, 0 ( 1),, Fig14 Distribution of the vegetation carbon storage among ifferent land uses types in the Huang2Huai2Hai Plain in 1988,,,,,,, 1 ( gc/ m 2 a) Tab11 The comparison among vegetation carbon storage from this study and other researches Prince et al1 [18 ] [28 ] [29 ] ( 3 3), ,, , hm 2,, hm 2,,, 24 hm , , GIS,,, ( 2), , hm 2, hm 2, hm 2, hm 2, ; 6614hm 2,, hm 2,,

5 4 : 843, 29106hm Tab12 Conversions between cultivated land and other land uses in the Huang2Huai2Hai Plain, (10 3 hm 2 ) (10 3 hm 2 ) , ,,, ,, ,, t, t, % ; t ( 3), t,,, t, ;, t t ;, 31 3t 9, ( 5) ,, t ;, t t ; Tab13 The impacts of the cultivated land conversions on vegetation carbon storage in the Huang2Huai2Hai Plain, (t) (t) (t) (t) (t) (t) 1988 ( %) (t)

6 844 27, t, t t t t,, 13 hm 2, 59 %,,,,, 9 hm 2, 58 % Fig15 Spatial differences of the changes of vegetation carbon storage in the Huang2Huai2Hai Plain, ,,, 6145 hm 2, 5 GLO2PEM, t, ; ;, ;,, ,,, t,,,,, 313t,,,,,,,, ;

7 4 : 845 : [ 1 ], 1 1, 2004, 26 (4) : [ 2 ], 1 1, 1997, 12 (2) : [ 3 ],, 1 1, 2001, 20 (2) : [ 4 ],,, 1 1 D,2004, 34 (10) : [ 5 ],,, 1 1, 2004, 23 (2) : [ 6 ],,, 1 1, 2004,26 (5) : [ 7 ] 1 1, 2002, 17 (2) : [ 8 ] Prince S D, Goward S N1 Global primary production :A remote sensing approach1 Journal of Biogeography, 1995, 22 : [ 9 ],,, 1 NOAA AV HRR 1, 1996, 38 (1) : [ 10 ],,, , 2006, 29 (2) : [ 11 ],, 1 1, 2001, 5 (2) : [ 12 ],,, 1 1 (D ), 2000, 30 (2) : [ 13 ],,, , 2003, 2 (1) : [ 14 ],,, 1 1, 2002, 21 (6) : [ 15 ],, 1 1, 2001,20 (6) : [ 16 ],,, 1 1km AV HRR 1,2004,8 (6) : [ 17 ] Cao M K, Prince S D, Small J,et al1 Satellite remotely sensed interannual variability in terrestrial net primary pro2 ductivity from 1980 to Ecosystems, 2004, 7 : [ 18 ] Goetz S J, Prince S D, Goward S N, et al. Mapping net primary production and related biophysical variables wit h remote sensing : Application to the BOREAS region. Journal of Geophysical Research. 1999, 104 ( 22) : [ 19 ] Rouse J W, Haas J, Deering R H,et al1 Monitoring t he vernal advancement and retrogradation (green wave effect) of nat ural vegetation ; NASA/ GSFC Type III Final Report1 Greenbelt, MD [20 ] Goward S N, Waring R H, Dye D G, et al1 Ecological remote sensing at O T TER : Satellite macroscale observa2 tions1 Ecol1 Appl1,1994, 4 (2) : [ 21 ] Goward S N, Dye D G1 Global biospheric monitoring wit h remote sensing1 In : Gholtz H L, Nakane K, Shimoda H1 (eds1 )1 The Use of Remote Sensing in Modeling Forest Productivity1 New York : Kluwer Academic, [ 22 ] 1 1 :, [23 ] Yang J L, Prince S D1 A t heoretical assessment of t he relation between woody canopy cover and red reflectance1 Remote Sensing of Environment1 1997, 59 (3) : [ 24 ] Colltaz GJ, Ball J T1 Physiological and environmental regulation of stomata conductance, photosynt hesis and tran2 spiration : A model t hat includes a laminar boundary layer1 Agriculture Forest Meteorology, 1991, 54 : [ 25 ],,, 1 1, 2001, 56 (4) : [ 26 ] Yan Huimin, Cao Mingkui, Liu Jiyuan, Tao Bo1 Potential and sustainability for carbon sequestration wit h im2 proved soil management in agricultural soils of China1 Agriculture, Ecosystems and Environment, 2007, 121 : [ 27 ],, 1 1, 2007,62 (2) :

8 [ 28 ],,, 1 1,2003, 58 (3) : [ 29 ], 1 1, 2001, 5 (1) : Impacts of cultivated land conversion on the vegetation carbon storage in the Huang2Huai2Hai Plain J IAN G Qun2ou 1,2, DEN G Xiang2zheng 2,3, ZHAN Jin2yan 4, L IU Xing2quan 1 (11 Geoscience Environment Engineering School, Central South University, Changsha , China ; 21 Center for Chinese Agricultural Policy, CAS, Beijing , China ; 31 Institute of Geographic Sciences and Natural Resources Research, CAS,Beijing , China ; 41 Environmental School, Beijing Normal University, Beijing , China) Abstract :Land use changes influence t he dist ributio n and st ruct ure of terrest rial eco sys2 tems, and al so change t heir carbo n storage1 Cultivated land, an important part of o ur country, affect s not only t he crop productivity, but also t he spatial distribution pattern of vegetation carbon storage1 According to t he GLO2PEM model and by using t he NOAA/ AV HRR data acquired in 1988, t his paper estimates the net p rimary productivity of t he Huang2Huai2Hai Plain1 Then t he amount s of the vegetation carbon storage associated wit h t he vario us land uses are estimated by subt racting t he quantities of litter1 The key findings show that t here are differences in vegetation carbon storage among the various land uses and over space1 The density of vegetation carbon storage in forest area is the biggest, and t he smallest is t he unused land1 According to t he decoded land use information from Land2 sat TM/ ETM digital imagines, we traced t he land conversions in t he period between 1988 and 2000 and analyzed t he changes between cultivated land and other land types and find it interesting t hat different land types can be transferred to each ot her1 But t he net change will be various1 Wit h t he develop ment of economy, built2up area gradually expanded, and t he amount of cultivated land around t he city were occupied1 A total of hm 2 of land were transferred to cultivated land in t he Huang2Huai2Hai Plain1 Based on t he above data, we calculated t he impact s of cultivated land conversions on t he vegetation carbon storage1 It is found out t hat t hat t he vegetation carbon storage decreased by 0125 % due to t he land conversions between cultivated land and ot her land uses1 The cultivated land conversion to built2up area caused a decrease of tc released to air1 We overlapped t he agro2eco2 logical zones and the vegetation carbon storage, and calculated t he total changes in every agro2ecological zo ne1 The vegetatio n carbo n sto rage of t he Huang2Hai Plain decreased by t1 With t he pop ulation increase, 59 % of t he cultivated land was transferred to residential area1 This is the main reason for t he substantial decrease in the vegetation car2 bon storage1 The research result s provide valuable information for t he formulating of t he carbo n management policies at a regio nal extent1 Key words :land use change ; N PP ; NOAA/ AV HRR ; GLO2PEM ; vegetation carbon stor2 age ; Huang2Huai2Hai Plain

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