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ID:40108999
大小:1.12 MB
页数:29页
时间:2019-07-21
《农业土地用途的模式modeloffarming》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、B.2.AModelofAgriculturallanduse農業土地用途的模式(2)Sinclair’sModel辛克萊模式1Sinclair’sModel辛克萊模式Development發展(Reasonsforthedevelopmentofnewmodel發展新模式的原因)VonThunen’smodelfailedtoapplyintheadvancedindustrializedcountrieswithcontinuousurbanexpansion范杜能模式不能應用於城市不斷擴張的工業國家2Underco
2、ntinuousurbanexpansion城市不斷擴張下competitionbetweenurbanandrurallanduseontheurbanedgehasbecamekeen在城市邊緣,城市與農業土地用途的競爭激烈withincreasingdistancefromthemarketcentre,theintensityofproductionwillincrease,andcroptypeswillbevaried隨與城市距離增加,生產密度增加,農作物的類別亦改變3Urban城市vsAgricultural
3、農業urbanlandusehashigherrent/return城市用地有較高的租值/回報itmaydisplacerurallanduse它能取代農業用地4Degreeofurbanencroachment城市蠶食的程度thegreaterthechanceofurbanlandusetakingover,thelessthefarmersinvestinland被城市用地取替的機會越高,農夫在土地上的投資越少thedegreeofthisanticipationdeclineswithdistancefromcit
4、y預測的程度會隨城市距離而遞減5Agriculturallandusepattern農業用地模式6O:urbancentreO-Y:valueofagricultureis0農業價值是零Undertheanticipationofurbanencroachment在城市蠶食的預測下,farmersdonotinvestinlandbetweenO-Y農夫不會在O-Y間的土地投資7Y-B:whendegreeofurbananticipationdecreases,investmentincreases.Valueofagr
5、iculturalincreases.當預測的程度下降,投資會增加,農業價值上升FromB:thereisnomoreanticipationofurbanexpansion.Agriculturalvalueishigh沒有城市擴張的預測,農業價值高8nexttomarket鄰近市場thereislandwithnoagriculturalvalue土地無農業價值(abandonedland棄耕地)9Landuse(1)withgentlerslopeofagriculturalvalue土地利用(1)的農業價值坡度較平
6、緩lessintensityofagriculturalinvestmentislocatednearmarket投資密度較少的農業活動較近市場10steeperslope(2),isthemoreintensivetypeofagricultural(2)的農業價值坡度較陡斜,屬於較集約式的農業類別1112Sinclair’sModel辛克萊模式13Sinclair’sModel辛克萊模式Zone1:attheedgeofthebuilt-uparea在已發展地區的邊緣landischangingtourbanareas
7、不斷改變為城市用地heldbyspeculators被投機者持有exception例外:farmfactories農業工廠,greenhouse溫室14Zone2:zoneofvacantland空置用地heldbyspeculatororfarmersintendingtoselltheland被投機者或有意售地的農夫擁有so,landhasno/littlefarminguse,butforrecreationalpurposes土地並無太大農業用途,只作娛樂用途15Zone3:afieldcropandgrazing
8、zone雜糧及放牧區Zone4:abroadzoneofdairyandfieldzone乳牛及雜糧帶16HKAgriculturallandusepattern香港農業用地模式Post-war戰後influxofimmigrants(skilledvegetablefarmers)fromTheMai
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