大渡河濕地公園規劃總面積2474.96公(gong)頃(qing)，以河流—沙洲—島嶼半自然復合濕地(di)生態體(ti)系(xi)為基礎，功(gong)能(neng)定位為保(bao)(bao)護大渡(du)河水資(zi)源(yuan)及長江(jiang)上游珍(zhen)稀(xi)特(te)有(you)魚類、保(bao)(bao)護大渡(du)河濕地(di)生態系(xi)統及其生物多(duo)樣性，充分發(fa)揮濕地(di)公(gong)園(yuan)建設在維護大渡(du)河生態安全、濕地(di)保(bao)(bao)護網(wang)絡體(ti)系(xi)構建、濕地(di)科普宣教及其科學研究價(jia)值方面的重要功(gong)能(neng)和(he)作用(yong)。
擬(ni)建的(de)(de)的(de)(de)四川(chuan)沙(sha)灣大渡河國家濕(shi)(shi)地(di)(di)(di)(di)公(gong)園規劃總面(mian)積2474.96公(gong)頃(qing)，其中濕(shi)(shi)地(di)(di)(di)(di)面(mian)積1349.11公(gong)頃(qing)，濕(shi)(shi)地(di)(di)(di)(di)率達54.5%。濕(shi)(shi)地(di)(di)(di)(di)類型包(bao)括天(tian)然(ran)濕(shi)(shi)地(di)(di)(di)(di)和(he)人工濕(shi)(shi)地(di)(di)(di)(di)。天(tian)然(ran)濕(shi)(shi)地(di)(di)(di)(di)943.73公(gong)頃(qing)，主要(yao)是永久性(xing)河流濕(shi)(shi)地(di)(di)(di)(di)和(he)洪泛濕(shi)(shi)地(di)(di)(di)(di)，人工濕(shi)(shi)地(di)(di)(di)(di)405.38公(gong)頃(qing)，主要(yao)為(wei)庫塘濕(shi)(shi)地(di)(di)(di)(di)。濕(shi)(shi)地(di)(di)(di)(di)公(gong)園規劃為(wei)5個功能分區(qu)，即濕(shi)(shi)地(di)(di)(di)(di)保(bao)育區(qu)、恢復重(zhong)建區(qu)、合理(li)(li)利用區(qu)、科(ke)普宣教區(qu)和(he)管(guan)理(li)(li)服務區(qu)。
濕地(di)(di)保(bao)育區(qu)(qu)包括(kuo)公(gong)園(yuan)(yuan)內大部分(fen)的(de)(de)河流濕地(di)(di)、庫塘濕地(di)(di)及(ji)周邊(bian)的(de)(de)森林，面(mian)(mian)積(ji)(ji)1850.86公(gong)頃，占(zhan)濕地(di)(di)公(gong)園(yuan)(yuan)總(zong)面(mian)(mian)積(ji)(ji)的(de)(de)74.78%。恢(hui)復重建(jian)區(qu)(qu)包括(kuo)公(gong)園(yuan)(yuan)北(bei)部受污染和南部受干擾較多的(de)(de)濕地(di)(di)區(qu)(qu)域，面(mian)(mian)積(ji)(ji)290.78公(gong)頃，占(zhan)濕地(di)(di)公(gong)園(yuan)(yuan)總(zong)面(mian)(mian)積(ji)(ji)的(de)(de)11.75%。合理利用區(qu)(qu)位于(yu)(yu)楊(yang)子壩(ba)至許(xu)壩(ba)的(de)(de)區(qu)(qu)域，面(mian)(mian)積(ji)(ji)315.66公(gong)頃，占(zhan)濕地(di)(di)公(gong)園(yuan)(yuan)總(zong)面(mian)(mian)積(ji)(ji)的(de)(de)12.75%。科(ke)普(pu)宣(xuan)教區(qu)(qu)位于(yu)(yu)規劃區(qu)(qu)中部，面(mian)(mian)積(ji)(ji)15.11公(gong)頃，占(zhan)濕地(di)(di)公(gong)園(yuan)(yuan)總(zong)面(mian)(mian)積(ji)(ji)的(de)(de)0.61%。管理服(fu)務區(qu)(qu)位于(yu)(yu)許(xu)壩(ba)，面(mian)(mian)積(ji)(ji)2.55公(gong)頃，占(zhan)濕地(di)(di)公(gong)園(yuan)(yuan)總(zong)面(mian)(mian)積(ji)(ji)的(de)(de)0.10%。
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