黃河流域生態保護和高質量發展經驗
時間:2022-10-02 10:22:34
導語:黃(huang)河流域(yu)生(sheng)態保護和高質量發展經驗一文(wen)來源于(yu)網友(you)上傳,不(bu)代表本站觀點,若需要原創文(wen)章可咨(zi)詢客(ke)服老師,歡迎參考(kao)。
摘要:近年來,通過采取封育管理、溝道治理、坡面防護等措施,有效遏制了水土流失,在保護耕地資源、提高土地生產能力、改善項目區生態環境、減輕自然災害造成的損失方面起到了良好作用。水土保持項目的實施,不僅為優化水生態、保護生物多樣性增添了強大后勁,而且取得了顯著的生態、經濟和社會效益,為天祝縣黃河流域生態保護和高質量發展做出了突出貢獻。
關鍵詞:生態保護;經驗做法;治理(li)成(cheng)效(xiao);天祝藏族自治縣
1概況
天(tian)(tian)(tian)祝藏(zang)族(zu)自治(zhi)(zhi)縣(xian)位(wei)于甘肅(su)(su)省(sheng)中(zhong)部(bu)、河(he)(he)(he)(he)(he)(he)(he)(he)西地(di)區(qu)(qu)(qu)(qu)東(dong)(dong)(dong)部(bu)、祁(qi)連(lian)山(shan)(shan)北(bei)(bei)麓,屬(shu)青藏(zang)高(gao)原(yuan)、黃(huang)土(tu)高(gao)原(yuan)和(he)內(nei)(nei)(nei)(nei)(nei)蒙古高(gao)原(yuan)的(de)(de)交匯地(di)帶。地(di)勢西部(bu)高(gao)東(dong)(dong)(dong)南(nan)(nan)低,海(hai)拔(ba)2040~4874m,是黃(huang)河(he)(he)(he)(he)(he)(he)(he)(he)、石(shi)(shi)羊(yang)河(he)(he)(he)(he)(he)(he)(he)(he)流(liu)(liu)(liu)(liu)域(yu)(yu)(yu)重(zhong)要(yao)的(de)(de)水(shui)(shui)(shui)源(yuan)補給區(qu)(qu)(qu)(qu)和(he)水(shui)(shui)(shui)土(tu)保(bao)(bao)持重(zhong)要(yao)預(yu)防(fang)保(bao)(bao)護區(qu)(qu)(qu)(qu),全縣(xian)總面(mian)(mian)積(ji)(ji)7149km2,南(nan)(nan)北(bei)(bei)長158.4km,東(dong)(dong)(dong)西寬142.6km,以享譽華(hua)夏(xia)的(de)(de)烏(wu)鞘嶺(ling)(含冷龍嶺(ling))為(wei)界,以南(nan)(nan)是黃(huang)河(he)(he)(he)(he)(he)(he)(he)(he)支流(liu)(liu)(liu)(liu)大(da)通河(he)(he)(he)(he)(he)(he)(he)(he)、金強河(he)(he)(he)(he)(he)(he)(he)(he)的(de)(de)源(yuan)頭區(qu)(qu)(qu)(qu),以北(bei)(bei)是內(nei)(nei)(nei)(nei)(nei)陸(lu)河(he)(he)(he)(he)(he)(he)(he)(he)石(shi)(shi)羊(yang)河(he)(he)(he)(he)(he)(he)(he)(he)的(de)(de)源(yuan)頭區(qu)(qu)(qu)(qu)。其中(zhong),黃(huang)河(he)(he)(he)(he)(he)(he)(he)(he)流(liu)(liu)(liu)(liu)域(yu)(yu)(yu)3759.53km2,占(zhan)(zhan)(zhan)總面(mian)(mian)積(ji)(ji)的(de)(de)52.6%,內(nei)(nei)(nei)(nei)(nei)流(liu)(liu)(liu)(liu)河(he)(he)(he)(he)(he)(he)(he)(he)流(liu)(liu)(liu)(liu)域(yu)(yu)(yu)3389.47km2,占(zhan)(zhan)(zhan)總面(mian)(mian)積(ji)(ji)的(de)(de)47.4%。依據《全國(guo)水(shui)(shui)(shui)土(tu)保(bao)(bao)持規劃(hua)國(guo)家(jia)級(ji)水(shui)(shui)(shui)土(tu)流(liu)(liu)(liu)(liu)失(shi)重(zhong)點(dian)預(yu)防(fang)區(qu)(qu)(qu)(qu)和(he)重(zhong)點(dian)治(zhi)(zhi)理區(qu)(qu)(qu)(qu)復核(he)劃(hua)分成果(guo)》,屬(shu)祁(qi)連(lian)山(shan)(shan)-黑河(he)(he)(he)(he)(he)(he)(he)(he)國(guo)家(jia)級(ji)水(shui)(shui)(shui)土(tu)流(liu)(liu)(liu)(liu)失(shi)重(zhong)點(dian)預(yu)防(fang)區(qu)(qu)(qu)(qu),區(qu)(qu)(qu)(qu)域(yu)(yu)(yu)內(nei)(nei)(nei)(nei)(nei)水(shui)(shui)(shui)土(tu)流(liu)(liu)(liu)(liu)失(shi)面(mian)(mian)積(ji)(ji)2339.24km2,占(zhan)(zhan)(zhan)流(liu)(liu)(liu)(liu)域(yu)(yu)(yu)面(mian)(mian)積(ji)(ji)的(de)(de)32.7%。天(tian)(tian)(tian)祝縣(xian)多年平均(jun)水(shui)(shui)(shui)資(zi)源(yuan)量(liang)12.91億(yi)m3,其中(zhong)黃(huang)河(he)(he)(he)(he)(he)(he)(he)(he)流(liu)(liu)(liu)(liu)域(yu)(yu)(yu)5.48億(yi)m3,內(nei)(nei)(nei)(nei)(nei)陸(lu)河(he)(he)(he)(he)(he)(he)(he)(he)流(liu)(liu)(liu)(liu)域(yu)(yu)(yu)7.43億(yi)m3,是水(shui)(shui)(shui)資(zi)源(yuan)較為(wei)豐富地(di)區(qu)(qu)(qu)(qu)。天(tian)(tian)(tian)祝縣(xian)境(jing)內(nei)(nei)(nei)(nei)(nei)黃(huang)河(he)(he)(he)(he)(he)(he)(he)(he)處于黃(huang)河(he)(he)(he)(he)(he)(he)(he)(he)流(liu)(liu)(liu)(liu)域(yu)(yu)(yu)中(zhong)上游地(di)帶,主要(yao)分布在天(tian)(tian)(tian)祝縣(xian)境(jing)內(nei)(nei)(nei)(nei)(nei)南(nan)(nan)部(bu),祁(qi)連(lian)山(shan)(shan)系(xi)東(dong)(dong)(dong)北(bei)(bei)麓,地(di)勢北(bei)(bei)高(gao)南(nan)(nan)低,由東(dong)(dong)(dong)北(bei)(bei)向西南(nan)(nan)傾斜(xie),海(hai)拔(ba)高(gao)程1935~4874m,相對高(gao)差2939m,流(liu)(liu)(liu)(liu)域(yu)(yu)(yu)內(nei)(nei)(nei)(nei)(nei)山(shan)(shan)大(da)溝(gou)深,梁卯起(qi)伏,溝(gou)壑縱橫,坡陡(dou)谷低,地(di)形(xing)破碎(sui)。由3條(tiao)大(da)的(de)(de)水(shui)(shui)(shui)系(xi)(大(da)通河(he)(he)(he)(he)(he)(he)(he)(he)水(shui)(shui)(shui)系(xi)、莊浪河(he)(he)(he)(he)(he)(he)(he)(he)河(he)(he)(he)(he)(he)(he)(he)(he)水(shui)(shui)(shui)系(xi)、松(song)山(shan)(shan)水(shui)(shui)(shui)系(xi))53條(tiao)小(xiao)流(liu)(liu)(liu)(liu)域(yu)(yu)(yu)組(zu)成,縣(xian)域(yu)(yu)(yu)內(nei)(nei)(nei)(nei)(nei)黃(huang)河(he)(he)(he)(he)(he)(he)(he)(he)流(liu)(liu)(liu)(liu)域(yu)(yu)(yu)總面(mian)(mian)積(ji)(ji)3759.53km2,其中(zhong)水(shui)(shui)(shui)土(tu)流(liu)(liu)(liu)(liu)失(shi)面(mian)(mian)積(ji)(ji)1345.62km2,占(zhan)(zhan)(zhan)黃(huang)河(he)(he)(he)(he)(he)(he)(he)(he)流(liu)(liu)(liu)(liu)域(yu)(yu)(yu)面(mian)(mian)積(ji)(ji)的(de)(de)35.8%。石(shi)(shi)羊(yang)河(he)(he)(he)(he)(he)(he)(he)(he)流(liu)(liu)(liu)(liu)域(yu)(yu)(yu)分布在天(tian)(tian)(tian)祝縣(xian)境(jing)內(nei)(nei)(nei)(nei)(nei)北(bei)(bei)端,北(bei)(bei)與涼(liang)州區(qu)(qu)(qu)(qu)、古浪縣(xian)接壤,西與張掖(ye)市肅(su)(su)南(nan)(nan)縣(xian)和(he)青海(hai)省(sheng)的(de)(de)門源(yuan)縣(xian)為(wei)鄰,北(bei)(bei)起(qi)冷龍嶺(ling),南(nan)(nan)與烏(wu)鞘嶺(ling)為(wei)界。海(hai)拔(ba)高(gao)度2126~4874m,屬(shu)河(he)(he)(he)(he)(he)(he)(he)(he)西走廊南(nan)(nan)部(bu)高(gao)寒干旱和(he)半干旱氣(qi)候區(qu)(qu)(qu)(qu)。由6條(tiao)河(he)(he)(he)(he)(he)(he)(he)(he)流(liu)(liu)(liu)(liu)(大(da)靖河(he)(he)(he)(he)(he)(he)(he)(he)、古浪河(he)(he)(he)(he)(he)(he)(he)(he)、黃(huang)羊(yang)河(he)(he)(he)(he)(he)(he)(he)(he)、雜木河(he)(he)(he)(he)(he)(he)(he)(he)、金塔河(he)(he)(he)(he)(he)(he)(he)(he)、西營河(he)(he)(he)(he)(he)(he)(he)(he))57條(tiao)小(xiao)流(liu)(liu)(liu)(liu)域(yu)(yu)(yu)組(zu)成,領域(yu)(yu)(yu)內(nei)(nei)(nei)(nei)(nei)山(shan)(shan)間盆地(di)、谷地(di)、山(shan)(shan)前洪積(ji)(ji)傾斜(xie)平原(yuan)和(he)黃(huang)土(tu)臺地(di)交錯,南(nan)(nan)部(bu)祁(qi)連(lian)山(shan)(shan)區(qu)(qu)(qu)(qu),群峰聳立(li),整個(ge)區(qu)(qu)(qu)(qu)域(yu)(yu)(yu)為(wei)水(shui)(shui)(shui)源(yuan)涵養(yang)區(qu)(qu)(qu)(qu),是干旱荒(huang)漠(mo)地(di)區(qu)(qu)(qu)(qu)的(de)(de)“綠色水(shui)(shui)(shui)庫(ku)”,是石(shi)(shi)羊(yang)河(he)(he)(he)(he)(he)(he)(he)(he)下游的(de)(de)“生命線”。縣(xian)域(yu)(yu)(yu)內(nei)(nei)(nei)(nei)(nei)石(shi)(shi)羊(yang)河(he)(he)(he)(he)(he)(he)(he)(he)流(liu)(liu)(liu)(liu)域(yu)(yu)(yu)面(mian)(mian)積(ji)(ji)3389.47km2,水(shui)(shui)(shui)土(tu)流(liu)(liu)(liu)(liu)失(shi)面(mian)(mian)積(ji)(ji)993.62km2,占(zhan)(zhan)(zhan)石(shi)(shi)羊(yang)河(he)(he)(he)(he)(he)(he)(he)(he)流(liu)(liu)(liu)(liu)域(yu)(yu)(yu)面(mian)(mian)積(ji)(ji)的(de)(de)29.3%。
2治理成效
多年(nian)來(lai),天祝縣(xian)積極爭取國家投資(zi),開展了(le)(le)一(yi)些規模性的水(shui)資(zi)源保護(hu)(hu)工(gong)作,實施(shi)了(le)(le)“三北”防護(hu)(hu)林工(gong)程、天然林保護(hu)(hu)工(gong)程、退耕還牧(mu)等工(gong)程。近幾(ji)年(nian)在(zai)縣(xian)域(yu)范圍(wei)內實施(shi)的祁連山山水(shui)林田湖草生態保護(hu)(hu)修復項目,通過“坡面封禁、岸坡治理(li)、溝道防護(hu)(hu)”的“生物+工(gong)程”水(shui)保措施(shi),對部分小流域(yu)進行了(le)(le)綜合治理(li),取得了(le)(le)一(yi)定的成效(xiao)。
2.1水土流失得到有(you)效(xiao)遏制,生態效(xiao)益顯著
截至(zhi)目前,通過封禁、造林(lin)、坡面(mian)治(zhi)理(li)、溝(gou)道(dao)防護等措(cuo)施,累計(ji)治(zhi)理(li)水(shui)土(tu)流(liu)(liu)(liu)失面(mian)積864km2,營造水(shui)土(tu)保持林(lin)3800hm2,草地補種(zhong)115.68hm2,封育治(zhi)理(li)434.1km2,河(he)道(dao)水(shui)環境治(zhi)理(li)72.3km,建成生態(tai)(tai)(tai)護岸196km,修建生態(tai)(tai)(tai)灌溉調(diao)(diao)蓄水(shui)池5座,鋪設(she)生態(tai)(tai)(tai)灌溉管道(dao)368.75km,生態(tai)(tai)(tai)谷坊226座。項(xiang)(xiang)目的實施,使(shi)項(xiang)(xiang)目區(qu)內(nei)林(lin)草覆蓋度由(you)治(zhi)理(li)前的27.82%提高到(dao)69%;水(shui)土(tu)流(liu)(liu)(liu)失治(zhi)理(li)程度由(you)36.18%提高到(dao)72%以上;年增加蓄水(shui)能力199.01萬m3,年減(jian)少土(tu)壤流(liu)(liu)(liu)失量(liang)179.34萬t,有效調(diao)(diao)節(jie)了區(qu)域小氣(qi)候(hou),流(liu)(liu)(liu)域及(ji)其周(zhou)邊地區(qu)水(shui)分和熱量(liang)狀(zhuang)況明(ming)(ming)(ming)顯改善,生態(tai)(tai)(tai)系統功能增強,為(wei)整個祁連(lian)山生態(tai)(tai)(tai)文明(ming)(ming)(ming)建設(she)和永續發(fa)展作出了應(ying)有的貢獻,流(liu)(liu)(liu)域內(nei)的生態(tai)(tai)(tai)環境質(zhi)量(liang)明(ming)(ming)(ming)顯得到(dao)提高,促進了當地環境與經濟(ji)的協調(diao)(diao)發(fa)展。
2.2居住(zhu)環境得到有效改善,社會效益顯著
隨著種(zhong)草、封禁治(zhi)(zhi)理,植(zhi)被覆(fu)蓋顯著提(ti)(ti)高(gao),項目(mu)(mu)區內林(lin)(lin)草覆(fu)蓋度(du)由治(zhi)(zhi)理前的(de)27.82%提(ti)(ti)高(gao)到69%,坡面匯流明(ming)顯減緩,切實降低了(le)(le)(le)山洪災(zai)害發生(sheng)(sheng)(sheng)率(lv),保(bao)障(zhang)(zhang)了(le)(le)(le)人民(min)群(qun)眾生(sheng)(sheng)(sheng)命(ming)財(cai)產(chan)安(an)全;河岸(an)灘(tan)地得(de)(de)到綠化,產(chan)生(sheng)(sheng)(sheng)景(jing)觀效(xiao)(xiao)果,生(sheng)(sheng)(sheng)態用水(shui)設(she)施的(de)建設(she),涵養了(le)(le)(le)新植(zhi)林(lin)(lin)木,并改善了(le)(le)(le)400hm2高(gao)原夏菜灌溉條件,為當地發展高(gao)原夏菜產(chan)業提(ti)(ti)供(gong)了(le)(le)(le)水(shui)利保(bao)障(zhang)(zhang);生(sheng)(sheng)(sheng)物、工(gong)程護岸(an)的(de)建設(she),提(ti)(ti)高(gao)了(le)(le)(le)溝道(dao)防洪標(biao)準,保(bao)障(zhang)(zhang)了(le)(le)(le)溝道(dao)兩岸(an)群(qun)眾生(sheng)(sheng)(sheng)命(ming)財(cai)產(chan)及農田安(an)全;隨著生(sheng)(sheng)(sheng)態環(huan)境的(de)改善,項目(mu)(mu)區和(he)周邊區域產(chan)業發展、生(sheng)(sheng)(sheng)態建設(she)均取得(de)(de)了(le)(le)(le)顯著成效(xiao)(xiao)。2.3群(qun)眾收入(ru)得(de)(de)到有(you)(you)效(xiao)(xiao)提(ti)(ti)高(gao),經濟效(xiao)(xiao)益(yi)(yi)顯著隨著水(shui)保(bao)林(lin)(lin)的(de)種(zhong)植(zhi),營造水(shui)保(bao)林(lin)(lin)3800hm2,栽(zai)植(zhi)喬木878.54萬株(zhu),成活率(lv)按(an)85%計(ji),預計(ji)從第六年開(kai)始成材扣除成本后則年可產(chan)出(chu)凈效(xiao)(xiao)益(yi)(yi)2027萬元(yuan),人均收入(ru)達到506元(yuan)。隨著項目(mu)(mu)持續進(jin)行,經濟發展、生(sheng)(sheng)(sheng)態建設(she)、群(qun)眾收入(ru)得(de)(de)到有(you)(you)效(xiao)(xiao)提(ti)(ti)高(gao),在項目(mu)(mu)的(de)拉動下,助推脫貧攻(gong)堅(jian)戰略,經濟效(xiao)(xiao)益(yi)(yi)顯著。
3經驗做法
在項目實(shi)(shi)施(shi)(shi)過程中(zhong),以“抓部署、加強(qiang)(qiang)頂層設計,攻難關、精心組織實(shi)(shi)施(shi)(shi),強(qiang)(qiang)監管(guan)、保(bao)證(zheng)工(gong)程質(zhi)量,重管(guan)護(hu)、加強(qiang)(qiang)后期管(guan)理(li)”為總體部署和工(gong)作思路,在堅(jian)持“科學布局、因(yin)地(di)制宜、山(shan)水(shui)兼(jian)治、系統治理(li)”規劃原則(ze)的(de)基礎(chu)上,積極征求采納各方意見,將流域水(shui)環境治理(li)保(bao)護(hu)工(gong)程與(yu)(yu)產(chan)業結(jie)構調整、水(shui)保(bao)林建(jian)設、天然牧草封育保(bao)護(hu)、新農村建(jian)設等項目有效結(jie)合(he)起來(lai),工(gong)程措(cuo)施(shi)(shi)與(yu)(yu)生(sheng)(sheng)物(wu)措(cuo)施(shi)(shi)、坡面治理(li)與(yu)(yu)溝道治理(li)相結(jie)合(he),確定建(jian)設任務并納入武威市(shi)祁連山(shan)山(shan)水(shui)林田湖生(sheng)(sheng)態(tai)保(bao)護(hu)修(xiu)復項目實(shi)(shi)施(shi)(shi)方案(an)。
3.1加強組織領(ling)導(dao),落實具體責任
在項(xiang)目(mu)管理(li)上,按照一(yi)項(xiang)目(mu)一(yi)方案一(yi)小(xiao)組(zu)(zu)即“三個一(yi)”要求,成立以單(dan)位(wei)主(zhu)要領(ling)導(dao)(dao)擔(dan)任組(zu)(zu)長、分管領(ling)導(dao)(dao)擔(dan)任副組(zu)(zu)長、項(xiang)目(mu)法人(ren)(ren)、質量監督等(deng)相(xiang)關(guan)單(dan)位(wei)負責人(ren)(ren)為成員的(de)項(xiang)目(mu)建設領(ling)導(dao)(dao)小(xiao)組(zu)(zu),明確包(bao)抓領(ling)導(dao)(dao)及項(xiang)目(mu)負責人(ren)(ren),組(zu)(zu)織(zhi)骨干(gan)力(li)(li)(li)量組(zu)(zu)成專門機構具體抓落實,通力(li)(li)(li)協作(zuo),密切配合(he),形成工作(zuo)合(he)力(li)(li)(li),確保項(xiang)目(mu)順利實施。
3.2科學合(he)理規(gui)劃,因地制(zhi)宜設計
為(wei)了實(shi)現山水林田湖(hu)(hu)生態(tai)修復建(jian)設實(shi)現“全面(mian)規劃(hua)、統籌布(bu)局(ju)、山川兼治(zhi)、綜合(he)(he)(he)開(kai)發”的(de)目(mu)(mu)標,一是在充分調研的(de)基(ji)礎上,編(bian)制完成了祁連山山水林田湖(hu)(hu)生態(tai)保(bao)護修復項(xiang)目(mu)(mu)實(shi)施(shi)方(fang)(fang)案,提(ti)出各項(xiang)具(ju)體目(mu)(mu)標。二是組織規劃(hua)、設計、管理等方(fang)(fang)面(mian)的(de)技術(shu)人員,對(dui)擬實(shi)施(shi)項(xiang)目(mu)(mu)區(qu)進行實(shi)地(di)踏勘,科學合(he)(he)(he)理布(bu)局(ju),優先選擇(ze)建(jian)設條(tiao)件(jian)好、群眾支(zhi)持的(de)區(qu)域,提(ti)出合(he)(he)(he)理的(de)治(zhi)理措(cuo)施(shi)方(fang)(fang)案。三(san)是根據項(xiang)目(mu)(mu)區(qu)立(li)地(di)條(tiao)件(jian),采取適應項(xiang)目(mu)(mu)區(qu)的(de)治(zhi)理措(cuo)施(shi),結(jie)(jie)合(he)(he)(he)工(gong)(gong)程(cheng)與(yu)生物措(cuo)施(shi),以工(gong)(gong)程(cheng)措(cuo)施(shi)調蓄為(wei)主(zhu),節水灌溉措(cuo)施(shi)相輔,遠、近期(qi)效益并重(zhong),使水土保(bao)持生態(tai)建(jian)設與(yu)產業(ye)結(jie)(jie)構調整(zheng)相結(jie)(jie)合(he)(he)(he),與(yu)營造水土保(bao)持林、天然牧草封育保(bao)護相結(jie)(jie)合(he)(he)(he)。四是認真采納群眾意見和建(jian)議,使工(gong)(gong)程(cheng)規劃(hua)方(fang)(fang)案可行、群眾滿意。
3.3結合(he)當地條件,借鑒先進技術
近(jin)年(nian)來,在(zai)總結天然河(he)(he)岸(an)的(de)(de)凈化(hua)作(zuo)用(yong)(yong)和人工河(he)(he)堤(di)環境(jing)效(xiao)(xiao)應的(de)(de)基礎上,借鑒(jian)當(dang)今(jin)自然河(he)(he)岸(an)整(zheng)治(zhi)(zhi)的(de)(de)最新(xin)(xin)理念,與天祝(zhu)縣溝道(dao)發(fa)育特點(dian)相(xiang)(xiang)結合(he)(he),采取植生(sheng)袋加(jia)(jia)格賓籠(long)和石(shi)籠(long)護(hu)墊(dian)相(xiang)(xiang)結合(he)(he)的(de)(de)生(sheng)物(wu)護(hu)岸(an)新(xin)(xin)技(ji)術,治(zhi)(zhi)理溝道(dao)32.35km,完成石(shi)籠(long)護(hu)墊(dian)161座。生(sheng)物(wu)護(hu)岸(an)和河(he)(he)道(dao)護(hu)墊(dian)的(de)(de)結合(he)(he)運用(yong)(yong),不(bu)僅提高(gao)(gao)了河(he)(he)道(dao)防洪能(neng)(neng)力(li)(li),且美化(hua)了河(he)(he)道(dao)水系(xi)環境(jing)。通過(guo)在(zai)岸(an)坡(po)(po)上種(zhong)(zhong)(zhong)(zhong)植植被,可以起到固土(tu)護(hu)岸(an)及(ji)(ji)植被根(gen)系(xi)網絡固結土(tu)壤的(de)(de)作(zuo)用(yong)(yong),提高(gao)(gao)坡(po)(po)面(mian)表層的(de)(de)抗剪(jian)能(neng)(neng)力(li)(li)及(ji)(ji)對滲透水壓力(li)(li)的(de)(de)抵抗能(neng)(neng)力(li)(li)、增強迎水坡(po)(po)面(mian)的(de)(de)抗蝕性、減(jian)少坡(po)(po)面(mian)水土(tu)流失(shi);利用(yong)(yong)植物(wu)地上部(bu)分(fen)形成軟(ruan)覆(fu)蓋(gai),減(jian)少坡(po)(po)面(mian)裸露面(mian)積,增強抵御降雨濺蝕能(neng)(neng)力(li)(li)。植生(sheng)袋加(jia)(jia)格賓籠(long)和石(shi)籠(long)護(hu)墊(dian)相(xiang)(xiang)結合(he)(he)的(de)(de)生(sheng)物(wu)護(hu)岸(an)新(xin)(xin)技(ji)術主要特點(dian):一是(shi)施(shi)(shi)工效(xiao)(xiao)率高(gao)(gao),運輸方(fang)便(bian),鋪(pu)設簡(jian)便(bian),質量能(neng)(neng)夠保證(zheng);二是(shi)草(cao)(cao)種(zhong)(zhong)(zhong)(zhong)成活率高(gao)(gao),施(shi)(shi)工工序(xu)簡(jian)單,無(wu)需再(zai)次噴灑(sa)草(cao)(cao)種(zhong)(zhong)(zhong)(zhong),避免草(cao)(cao)種(zhong)(zhong)(zhong)(zhong)浪費;三是(shi)草(cao)(cao)種(zhong)(zhong)(zhong)(zhong)分(fen)布均勻,避免后(hou)期草(cao)(cao)坪(ping)濃密不(bu)均,草(cao)(cao)種(zhong)(zhong)(zhong)(zhong)植帶不(bu)易撕(si)破,根(gen)系(xi)抗拉強度高(gao)(gao);四是(shi)草(cao)(cao)種(zhong)(zhong)(zhong)(zhong)選(xuan)擇(ze)靈活,可根(gen)據立地條件(jian)選(xuan)擇(ze)適宜當(dang)地的(de)(de)草(cao)(cao)種(zhong)(zhong)(zhong)(zhong);五是(shi)后(hou)期功(gong)效(xiao)(xiao)顯著,草(cao)(cao)種(zhong)(zhong)(zhong)(zhong)長出后(hou),玻(bo)璃(li)纖(xian)維土(tu)工格柵作(zuo)為一層加(jia)(jia)固層,即使冬季草(cao)(cao)枯(ku)后(hou)仍能(neng)(neng)夠起到護(hu)坡(po)(po)功(gong)效(xiao)(xiao);六是(shi)治(zhi)(zhi)理投資少,經計算僅為工程護(hu)坡(po)(po)的(de)(de)11%~22%,治(zhi)(zhi)理效(xiao)(xiao)果(guo)顯著。隨(sui)著新(xin)(xin)技(ji)術的(de)(de)應用(yong)(yong),施(shi)(shi)工效(xiao)(xiao)率高(gao)(gao),草(cao)(cao)種(zhong)(zhong)(zhong)(zhong)的(de)(de)成活率高(gao)(gao),生(sheng)產(chan)效(xiao)(xiao)率高(gao)(gao)等優點(dian),決定了植生(sheng)袋加(jia)(jia)格賓籠(long)和石(shi)籠(long)護(hu)墊(dian)相(xiang)(xiang)結合(he)(he)的(de)(de)生(sheng)物(wu)護(hu)岸(an)技(ji)術在(zai)溝道(dao)治(zhi)(zhi)理及(ji)(ji)種(zhong)(zhong)(zhong)(zhong)草(cao)(cao)綠(lv)化(hua)方(fang)面(mian)不(bu)可替代(dai)的(de)(de)地位。
3.4精心組(zu)織實(shi)施(shi),強化施(shi)工管控
一(yi)是嚴(yan)格執行(xing)(xing)項(xiang)(xiang)目(mu)(mu)(mu)公開(kai)招(zhao)(zhao)投標(biao)制(zhi)(zhi)(zhi),在工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)開(kai)工(gong)(gong)(gong)(gong)(gong)前進(jin)行(xing)(xing)公開(kai)招(zhao)(zhao)投標(biao),確定(ding)專(zhuan)業施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)隊(dui)伍,簽訂承包(bao)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)合(he)(he)同,嚴(yan)格實施(shi)(shi)(shi)(shi)合(he)(he)同管理(li)制(zhi)(zhi)(zhi)度(du)。二是開(kai)工(gong)(gong)(gong)(gong)(gong)前設(she)(she)計(ji)(ji)單位(wei)對(dui)設(she)(she)計(ji)(ji)相關(guan)(guan)參數進(jin)行(xing)(xing)設(she)(she)計(ji)(ji)技術(shu)(shu)(shu)交底,使施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)人(ren)員充(chong)分(fen)了解設(she)(she)計(ji)(ji)理(li)念(nian),對(dui)工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)特點、技術(shu)(shu)(shu)要求、質量(liang)標(biao)準、施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)方法、措施(shi)(shi)(shi)(shi)、安(an)(an)全等方面(mian)有較(jiao)詳細的(de)(de)理(li)解,便于施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)單位(wei)科學地組織施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong),同時降低技術(shu)(shu)(shu)、質量(liang)問題發生的(de)(de)風險(xian)。三是項(xiang)(xiang)目(mu)(mu)(mu)建(jian)設(she)(she)單位(wei)在工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)建(jian)設(she)(she)期間,抽調專(zhuan)業技術(shu)(shu)(shu)人(ren)員會同監理(li)駐守工(gong)(gong)(gong)(gong)(gong)地現場,全程(cheng)(cheng)(cheng)(cheng)對(dui)工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)質量(liang)、進(jin)度(du)進(jin)行(xing)(xing)監管控制(zhi)(zhi)(zhi),各工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)區由專(zhuan)人(ren)負責,嚴(yan)格按設(she)(she)計(ji)(ji)及技術(shu)(shu)(shu)規范指導施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong),確保一(yi)次施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)一(yi)次達標(biao)。四(si)是在施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)中采(cai)取(qu)機械(xie)化作業與大規模人(ren)工(gong)(gong)(gong)(gong)(gong)會戰相結合(he)(he),合(he)(he)理(li)調配施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)力量(liang),保證工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)建(jian)設(she)(she)標(biao)準高,質量(liang)好,進(jin)度(du)快。五是在項(xiang)(xiang)目(mu)(mu)(mu)實施(shi)(shi)(shi)(shi)過程(cheng)(cheng)(cheng)(cheng)中,按照基本(ben)建(jian)設(she)(she)程(cheng)(cheng)(cheng)(cheng)序,嚴(yan)格實行(xing)(xing)項(xiang)(xiang)目(mu)(mu)(mu)法人(ren)制(zhi)(zhi)(zhi)、招(zhao)(zhao)投標(biao)制(zhi)(zhi)(zhi)、監理(li)制(zhi)(zhi)(zhi)、合(he)(he)同制(zhi)(zhi)(zhi)、資金報賬(zhang)制(zhi)(zhi)(zhi)管理(li),保證項(xiang)(xiang)目(mu)(mu)(mu)建(jian)設(she)(she)程(cheng)(cheng)(cheng)(cheng)序符合(he)(he)國家法律(lv)法規及行(xing)(xing)業部門(men)的(de)(de)相關(guan)(guan)規定(ding),為項(xiang)(xiang)目(mu)(mu)(mu)建(jian)設(she)(she)資金安(an)(an)全、人(ren)員安(an)(an)全、項(xiang)(xiang)目(mu)(mu)(mu)安(an)(an)全保駕(jia)護航。
3.5安排專人負責,加強后期管理(li)
項(xiang)目竣工驗(yan)收后,及時移(yi)交運行管護單位安排專人管護,為(wei)優化水生(sheng)態、保護生(sheng)物多樣性增添強勁動力,為(wei)祁連(lian)山生(sheng)態文明建設和(he)永續發展(zhan)做出貢獻(xian)。
4結語
堅持保護優(you)先、自然(ran)恢復(fu)為主的方針(zhen),統(tong)籌自然(ran)生態的各要素,加(jia)大水土(tu)流失綜合(he)治理(li)力度,對全(quan)縣山(shan)水林田湖草進行綜合(he)治理(li)、系統(tong)治理(li)、源頭(tou)治理(li),滿(man)足人民對美好(hao)生活(huo)的向往。
作者:劉亨忠 崔金花 單位:天祝藏(zang)族自治(zhi)縣基層水(shui)利管(guan)(guan)理服務中心 天祝藏(zang)族自治(zhi)縣金強河水(shui)利管(guan)(guan)理處