大渡河濕地公園規劃總面積2474.96公頃(qing)，以河流—沙(sha)洲(zhou)—島嶼半(ban)自然復合(he)濕(shi)地生(sheng)態體系為基礎，功能定位為保(bao)護大(da)渡(du)(du)河水資(zi)源及(ji)(ji)長(chang)江上游(you)珍稀特有魚(yu)類、保(bao)護大(da)渡(du)(du)河濕(shi)地生(sheng)態系統及(ji)(ji)其生(sheng)物多樣性(xing)，充分發揮(hui)濕(shi)地公園建設在維護大(da)渡(du)(du)河生(sheng)態安(an)全、濕(shi)地保(bao)護網絡(luo)體系構建、濕(shi)地科(ke)普(pu)宣(xuan)教及(ji)(ji)其科(ke)學研究價值方(fang)面的重要功能和作(zuo)用(yong)。
擬建的的四川(chuan)沙灣大渡河(he)國(guo)家濕(shi)(shi)地(di)(di)(di)(di)(di)公(gong)園(yuan)規(gui)劃總面積2474.96公(gong)頃(qing)，其中濕(shi)(shi)地(di)(di)(di)(di)(di)面積1349.11公(gong)頃(qing)，濕(shi)(shi)地(di)(di)(di)(di)(di)率達54.5%。濕(shi)(shi)地(di)(di)(di)(di)(di)類型包括天(tian)然(ran)濕(shi)(shi)地(di)(di)(di)(di)(di)和人工(gong)濕(shi)(shi)地(di)(di)(di)(di)(di)。天(tian)然(ran)濕(shi)(shi)地(di)(di)(di)(di)(di)943.73公(gong)頃(qing)，主(zhu)要是(shi)永久性河(he)流濕(shi)(shi)地(di)(di)(di)(di)(di)和洪(hong)泛濕(shi)(shi)地(di)(di)(di)(di)(di)，人工(gong)濕(shi)(shi)地(di)(di)(di)(di)(di)405.38公(gong)頃(qing)，主(zhu)要為庫塘(tang)濕(shi)(shi)地(di)(di)(di)(di)(di)。濕(shi)(shi)地(di)(di)(di)(di)(di)公(gong)園(yuan)規(gui)劃為5個功能分區(qu)，即濕(shi)(shi)地(di)(di)(di)(di)(di)保(bao)育區(qu)、恢復重(zhong)建區(qu)、合理利用區(qu)、科普宣教區(qu)和管理服(fu)務區(qu)。
濕(shi)(shi)(shi)(shi)地(di)(di)保育區(qu)包(bao)(bao)括公(gong)(gong)(gong)園(yuan)(yuan)內大部(bu)分的河流濕(shi)(shi)(shi)(shi)地(di)(di)、庫(ku)塘濕(shi)(shi)(shi)(shi)地(di)(di)及周邊的森林，面(mian)積(ji)1850.86公(gong)(gong)(gong)頃(qing)，占濕(shi)(shi)(shi)(shi)地(di)(di)公(gong)(gong)(gong)園(yuan)(yuan)總面(mian)積(ji)的74.78%。恢復(fu)重建(jian)區(qu)包(bao)(bao)括公(gong)(gong)(gong)園(yuan)(yuan)北部(bu)受污染和南部(bu)受干擾較多的濕(shi)(shi)(shi)(shi)地(di)(di)區(qu)域，面(mian)積(ji)290.78公(gong)(gong)(gong)頃(qing)，占濕(shi)(shi)(shi)(shi)地(di)(di)公(gong)(gong)(gong)園(yuan)(yuan)總面(mian)積(ji)的11.75%。合(he)理(li)利用區(qu)位于楊子壩(ba)至許壩(ba)的區(qu)域，面(mian)積(ji)315.66公(gong)(gong)(gong)頃(qing)，占濕(shi)(shi)(shi)(shi)地(di)(di)公(gong)(gong)(gong)園(yuan)(yuan)總面(mian)積(ji)的12.75%。科普(pu)宣教區(qu)位于規劃區(qu)中(zhong)部(bu)，面(mian)積(ji)15.11公(gong)(gong)(gong)頃(qing)，占濕(shi)(shi)(shi)(shi)地(di)(di)公(gong)(gong)(gong)園(yuan)(yuan)總面(mian)積(ji)的0.61%。管理(li)服務區(qu)位于許壩(ba)，面(mian)積(ji)2.55公(gong)(gong)(gong)頃(qing)，占濕(shi)(shi)(shi)(shi)地(di)(di)公(gong)(gong)(gong)園(yuan)(yuan)總面(mian)積(ji)的0.10%。
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