【正文】 ...............................................................................................................................41 總則 .......................................................................................................................................................5 編制目的和內容 .............................................................................................................................5 編制指導思想和原則 .....................................................................................................................6 編制依據 ........................................................................................................................................8 設計水平年及目標 ........................................................................................................................9 服務年限 ........................................................................................................................................92 項目及項目區(qū)概況 .............................................................................................................................10 項目概況 ......................................................................................................................................10 項目所在地區(qū)自然環(huán)境和社會經濟概況 ..................................................................................14 項目區(qū)水土流失及水土保持現狀 ...............................................................................................193 土地復墾可行性分析 .........................................................................................................................20 已破壞土地現狀 ..........................................................................................................................20 擬破壞土地預測 ..........................................................................................................................20 生態(tài)環(huán)境的影響分析 ..................................................................................................................25 復墾土地適宜性評價 ..................................................................................................................254 預防控制和復墾措施 .........................................................................................................................32 設計原則和目標 ..........................................................................................................................32 復墾標準 ......................................................................................................................................33 預防控制措施 ..............................................................................................................................40 工程技術措施 ..............................................................................................................................41 生物化學措施 ..............................................................................................................................415 土地復墾工程施工組織設計 .............................................................................................................42 土地復墾工序流程 ......................................................................................................................43 復墾規(guī)劃 ......................................................................................................................................44 渠系工程 ......................................................................................................................................44 工期目標 ......................................................................................................................................46 復墾工程總布置 ..........................................................................................................................46 土地復墾工期計劃 ......................................................................................................................47 土地復墾圖例劃分 ......................................................................................................................51 適宜草樹種 ..................................................................................................................................51 土地復墾工程設計及施工時間安排 ..........................................................................................51 灌溉及排洪系統(tǒng) .........................................................................................................................536 土地復墾投資測算 .............................................................................................................................54 投資測算概述 ..............................................................................................................................54 測算依據 ......................................................................................................................................54 復墾費用預算結果 ......................................................................................................................547 土地復墾效益分析 .............................................................................................................................55 生態(tài)效益 ......................................................................................................................................55 社會效益 ......................................................................................................................................568 保障措施 .............................................................................................................................................57 組織領導和管理措施 ..................................................................................................................57 技術保障措施 ..............................................................................................................................58 資金來源及管理措施 ..................................................................................................................58