大渡河濕地公園規劃總面積2474.96公(gong)頃，以河(he)(he)流(liu)—沙(sha)洲—島嶼半自(zi)然復合(he)濕(shi)(shi)地生(sheng)(sheng)態(tai)體(ti)系(xi)(xi)為基礎，功能(neng)定(ding)位為保護(hu)大(da)(da)渡(du)河(he)(he)水(shui)資(zi)源及(ji)長江上游珍稀特(te)有魚類、保護(hu)大(da)(da)渡(du)河(he)(he)濕(shi)(shi)地生(sheng)(sheng)態(tai)系(xi)(xi)統(tong)及(ji)其(qi)生(sheng)(sheng)物(wu)多樣性，充(chong)分發揮(hui)濕(shi)(shi)地公(gong)園(yuan)建設在維護(hu)大(da)(da)渡(du)河(he)(he)生(sheng)(sheng)態(tai)安全、濕(shi)(shi)地保護(hu)網絡體(ti)系(xi)(xi)構建、濕(shi)(shi)地科普宣教及(ji)其(qi)科學研(yan)究價值方面的重(zhong)要功能(neng)和作用(yong)。
擬建(jian)的(de)的(de)四川沙灣大渡河國家濕地(di)(di)公(gong)園(yuan)規劃總(zong)面(mian)積2474.96公(gong)頃，其中濕地(di)(di)面(mian)積1349.11公(gong)頃，濕地(di)(di)率達(da)54.5%。濕地(di)(di)類型(xing)包(bao)括(kuo)天(tian)(tian)然濕地(di)(di)和(he)人(ren)工濕地(di)(di)。天(tian)(tian)然濕地(di)(di)943.73公(gong)頃，主要是永久性河流(liu)濕地(di)(di)和(he)洪泛濕地(di)(di)，人(ren)工濕地(di)(di)405.38公(gong)頃，主要為庫塘濕地(di)(di)。濕地(di)(di)公(gong)園(yuan)規劃為5個功能分區，即(ji)濕地(di)(di)保(bao)育區、恢復(fu)重(zhong)建(jian)區、合理利用區、科普宣(xuan)教(jiao)區和(he)管(guan)理服務區。
濕地(di)(di)(di)保育區(qu)(qu)包括(kuo)公(gong)(gong)園內大部(bu)分的(de)(de)(de)河流濕地(di)(di)(di)、庫塘濕地(di)(di)(di)及周邊(bian)的(de)(de)(de)森林，面(mian)(mian)(mian)(mian)(mian)積(ji)(ji)(ji)1850.86公(gong)(gong)頃，占濕地(di)(di)(di)公(gong)(gong)園總面(mian)(mian)(mian)(mian)(mian)積(ji)(ji)(ji)的(de)(de)(de)74.78%。恢復重建區(qu)(qu)包括(kuo)公(gong)(gong)園北部(bu)受污染和南部(bu)受干擾較多的(de)(de)(de)濕地(di)(di)(di)區(qu)(qu)域(yu)，面(mian)(mian)(mian)(mian)(mian)積(ji)(ji)(ji)290.78公(gong)(gong)頃，占濕地(di)(di)(di)公(gong)(gong)園總面(mian)(mian)(mian)(mian)(mian)積(ji)(ji)(ji)的(de)(de)(de)11.75%。合理利用區(qu)(qu)位(wei)(wei)于楊子壩至許(xu)壩的(de)(de)(de)區(qu)(qu)域(yu)，面(mian)(mian)(mian)(mian)(mian)積(ji)(ji)(ji)315.66公(gong)(gong)頃，占濕地(di)(di)(di)公(gong)(gong)園總面(mian)(mian)(mian)(mian)(mian)積(ji)(ji)(ji)的(de)(de)(de)12.75%。科普宣教區(qu)(qu)位(wei)(wei)于規(gui)劃區(qu)(qu)中部(bu)，面(mian)(mian)(mian)(mian)(mian)積(ji)(ji)(ji)15.11公(gong)(gong)頃，占濕地(di)(di)(di)公(gong)(gong)園總面(mian)(mian)(mian)(mian)(mian)積(ji)(ji)(ji)的(de)(de)(de)0.61%。管理服(fu)務(wu)區(qu)(qu)位(wei)(wei)于許(xu)壩，面(mian)(mian)(mian)(mian)(mian)積(ji)(ji)(ji)2.55公(gong)(gong)頃，占濕地(di)(di)(di)公(gong)(gong)園總面(mian)(mian)(mian)(mian)(mian)積(ji)(ji)(ji)的(de)(de)(de)0.10%。
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