农业土地用途模式modeloffarming.pptVIP

B.2. A Model of Agricultural land use 農業土地用途的模式 (2);Sinclair’s Model 辛克萊模式;Under continuous urban expansion 城市不斷擴張下 ;Urban 城市 vs Agricultural 農業;Degree of urban encroachment　城市蠶食的程度;Agricultural land use pattern 農業用地模式;O: urban centre O-Y: value of agriculture is 0 農業價值是零 Under the anticipation of urban encroachment在城市蠶食的預測下，farmers do not invest in land between O-Y　農夫不會在O-Y間的土地投資;Y-B: when degree of urban anticipation decreases, investment increases. Value of agricultural increases.當預測的程度下降，投資會增加，農業價值上升 From B: there is no more anticipation of urban expansion. Agricultural value is high 沒有城市擴張的預測，農業價值高;next to market 鄰近市場 there is land with no agricultural value 土地無農業價值(abandoned land棄耕地);Land use (1) with gentler slope of agricultural value 土地利用(1)的農業價值坡度較平緩 less intensity of agricultural investment is located near market 投資密度較少的農業活動較近市場;steeper slope (2), is the more intensive type of agricultural (2)的農業價值坡度較陡斜,屬於較集約式的農業類別;;Sinclair’s Model 辛克萊模式;Sinclair’s Model 辛克萊模式;Zone 2: zone of vacant land空置用地 held by speculator or farmers intending to sell the land被投機者或有意售地的農夫擁有 so, land has no / little farming use, but for recreational purposes 土地並無太大農業用途，只作娛樂用途;Zone 3: a field crop and grazing zone雜糧及放牧區 Zone 4: a broad zone of dairy and field zone乳牛及雜糧帶 ;HK Agricultural land use pattern 香港農業用地模式;;Industrialization 工業化;Industrialization 工業化;與范杜能模式相似;Yuen Long, HK;Yuen Long, HK;;Zone 3: Fish ponds魚塘 around Deep Bay后海灣 Zone 4: Abandoned land棄耕地 inaccessible area不易達地區 Zone 5: Forest and grazing land 林地／草地 Remote偏僻 sloppy areas山坡;Conclusion;Von Thunen范杜能 vs Hong Kong香港 ;Von Thunen;完