【正文】 .............................................................. 8 3 項(xiàng)目實(shí)施區(qū)域概況 .......................................................................................................................................10 松華壩水源區(qū)自然概況 .......................................................................................................................10 牧羊河匯水區(qū)自然概況 .......................................................................................................................12 牧羊河匯水區(qū)社會(huì)經(jīng)濟(jì)概況 ...............................................................................................................14 項(xiàng)目實(shí)施地點(diǎn)概況 ...............................................................................................................................15 4 建設(shè)目標(biāo)及范圍 ...........................................................................................................................................17 建設(shè)目標(biāo) ................................................................................................................................................17 建設(shè)范圍 ................................................................................................................................................17 水量設(shè)計(jì) ................................................................................................................................................17 進(jìn)水、出水水質(zhì)確定 ...........................................................................................................................18 進(jìn)水水質(zhì)確定 ................................................................................................................................18 出水水質(zhì)確定 ................................................................................................................................18 5 工藝方案選擇論證 .......................................................................................................................................20 生態(tài)濕地建設(shè)步驟 ...............................................................................................................................20 生態(tài)濕地恢復(fù)技術(shù) ...............................................................................................................................21 濕地生境恢復(fù) ................................................................................................................................21 濕地生物恢復(fù)技術(shù) ........................................................................................................................21 生態(tài)系統(tǒng)結(jié)構(gòu)與功能恢復(fù)技術(shù) ...................................................................................................22 生態(tài)濕地工藝比選 ...............................................................................................................................22 自由表面流人工濕地 ...................................................................................................................22 潛流人工濕地方案 ........................................................................................................................23 垂直流＋自由表面 流 ...................................................................................................................24 自由表面流＋水平潛流 ...............................................................................................................25 推薦方案確定 ................................................................................................................................26 6 項(xiàng)目設(shè)計(jì) .......................................................................................................................................................27 內(nèi)容和規(guī)模 ............................................................................................................................................27 工藝設(shè)計(jì) ................................................................................................................................................28 分項(xiàng)工程設(shè)計(jì) ........................................................................................................................................29 河口污物攔截清除系統(tǒng) ...............................................................................................................29 攔水壩 ............................................................................................................................................35 沉砂池 ............................................................................................................................................36 生態(tài)濕地 ........................................................................................................................................36 生態(tài)林帶 ........................................................................................................................................38 管理看護(hù)用房及附屬設(shè)施 ...........................................................................................................39 II 主要工 程量 ............................................................................................................................................40 工程條件及總圖布置 ...........................................................................................................................40 7 項(xiàng)目實(shí)施 .......................................................................................................................................................41 實(shí)施組織 ................................................................................................................................................41 運(yùn)行管理 ................................................................................................................................................41 項(xiàng)目實(shí)施期限和進(jìn)度安排 ...................................................................................................................42 8 投資估算及資金籌措 ..................................................................................................................................43 投資估