| 广西土地利用变化及对粮食生产的影响 |
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司成兰,濮励杰(2?vDì
gD''÷D",~
ê2?210093)
K1: d9èqSPSS|?/,
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?ms ?|:F30112óDS
M
?:AócI|:1001-5906(2004)02-0012-04
Effectofregionallandusechangeongrainproduction)acasestudyofGuangxiAutonomousRegion.SICheng-lan,
PULi-Jie(DepartmentofUrbanandResourcesSciences,NanjingUniversity,Nanjing210093,China).RuralEco-Envi-
ronment,2004,20(2):12-15
Abstract:Changeinlanduseanditseffectsareimportantcontentsofthestudyonglobalchange.Landusestructureand
temporalvariationoftotalgrainoutputwereanalyzedonthebasisof1996to2001data.Basedontheresultsoftheana-l
ysistheeffectsoflandusechangeongrainproductionwerefurtherdiscussed.
Keywords:landuse;change;grainproduction;effect;Guangxi
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?ìa2004,20(2):12-15RuralEco-Environment
V11996)2001M<r1 ?¨2M?
Table1ChangesinlandusestructureinGuangxiin1996to2001
r1 ?¨ ??
1996M
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?%
2001M
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9F
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Table2ChangesinagriculturallanduseinGuangxiin1996to2001
Mz
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1996370180261085015656104611036011056117
1997373185341455419366180681246201306013
1998375177341906114071120731476291345917
1999372155351175512976186811526281945912
2000365159351925018778150891956261075814
2001355105311895714681140931136281815615
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totalgrainoutputinGuangxiin1996to2000
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itsaffectingfactorsinGuangxi
x1x2x3x4x5x6y
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x20.9871
x30.9900.9941
x40.5820.6190.6151
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