農(nóng)業(yè)系統(tǒng)(已修改)
2025-01-08 21:44 本頁(yè)面
【正文】 Agricultural System 農(nóng)業(yè)系統(tǒng) Spatial Patterns in Agricultural Landscapes 農(nóng)業(yè)景觀的空間模式 傳統(tǒng)的理論︰范杜能模式 1. Assumptions假設(shè) 2. Some basic concepts基本概念 3. Von Thunen’ s land rent model地租模式 4. 4. Assessment: weaknesses and merits 5. 分析︰缺點(diǎn)及優(yōu)點(diǎn) 5. Case studies個(gè)案研究 (17831850) Assumptions of Von Thunen’ s Model 范杜能模式的假設(shè) ? An isolated state and an isotropic surface 孤立國(guó)和均質(zhì)平原 ? All prices are set in the single central market 所有價(jià)錢(qián)都訂於唯一的中心市場(chǎng) ? Uniform transportation and transport costs 統(tǒng)一的運(yùn)輸方法和運(yùn)輸費(fèi) ? Farmers are rational economic men 農(nóng)民為理性的經(jīng)濟(jì)人 An isolated state and an isotropic surface 孤立國(guó)和均質(zhì)平原 ? Selfsufficient munity 自給自足的社區(qū) ? Homogeneous/ uniform physical conditions 一致的自然條件 ? ∴production costs per hectare were the same 均地的生產(chǎn)成本都為一致 All prices are set in the single central market 所有價(jià)錢(qián)都訂於唯一的中心市場(chǎng) ? All products are sold at the same market price 所有貨物均以一致的售價(jià)出售 埋黎睇 埋黎揀啦 ﹗﹗ Uniform transportation and transport costs 統(tǒng)一的運(yùn)輸方法和運(yùn)輸費(fèi) ? Only one mode of transportationhorsedrawn cart 單一運(yùn)輸方法 —馬拉木頭車(chē) ? Transport costs were uniform in any direction 運(yùn)輸成本在任何地方均一致 . proportional to distance at the same rate 與距離以相同比例成正比 Distance from market Total transport cost Farmers are rational economic
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