大渡河濕地公園規劃總面積2474.96公頃，以河流—沙洲—島(dao)嶼半自然復(fu)合濕地(di)生(sheng)態(tai)體系(xi)為(wei)基(ji)礎，功(gong)能定位為(wei)保護大渡(du)河水資源及長江上游珍(zhen)稀特有魚(yu)類、保護大渡(du)河濕地(di)生(sheng)態(tai)系(xi)統及其生(sheng)物多樣(yang)性，充分發揮濕地(di)公園建設在(zai)維(wei)護大渡(du)河生(sheng)態(tai)安全(quan)、濕地(di)保護網(wang)絡(luo)體系(xi)構(gou)建、濕地(di)科普宣(xuan)教(jiao)及其科學研究(jiu)價值方(fang)面(mian)的(de)重要功(gong)能和作用(yong)。
擬(ni)建的(de)的(de)四川(chuan)沙灣大(da)渡河國家濕(shi)(shi)(shi)地(di)(di)公(gong)園規(gui)劃總面積2474.96公(gong)頃(qing)，其中(zhong)濕(shi)(shi)(shi)地(di)(di)面積1349.11公(gong)頃(qing)，濕(shi)(shi)(shi)地(di)(di)率達54.5%。濕(shi)(shi)(shi)地(di)(di)類型包括天然濕(shi)(shi)(shi)地(di)(di)和(he)(he)(he)人工(gong)濕(shi)(shi)(shi)地(di)(di)。天然濕(shi)(shi)(shi)地(di)(di)943.73公(gong)頃(qing)，主要(yao)是永(yong)久性(xing)河流濕(shi)(shi)(shi)地(di)(di)和(he)(he)(he)洪泛濕(shi)(shi)(shi)地(di)(di)，人工(gong)濕(shi)(shi)(shi)地(di)(di)405.38公(gong)頃(qing)，主要(yao)為(wei)(wei)庫塘濕(shi)(shi)(shi)地(di)(di)。濕(shi)(shi)(shi)地(di)(di)公(gong)園規(gui)劃為(wei)(wei)5個功能分(fen)區(qu)，即濕(shi)(shi)(shi)地(di)(di)保育區(qu)、恢(hui)復重建區(qu)、合(he)理利用區(qu)、科普(pu)宣(xuan)教區(qu)和(he)(he)(he)管理服務區(qu)。
濕地(di)(di)(di)(di)保育區包括公(gong)園(yuan)內大部(bu)分的(de)(de)河流濕地(di)(di)(di)(di)、庫塘濕地(di)(di)(di)(di)及周邊(bian)的(de)(de)森(sen)林，面(mian)(mian)積(ji)(ji)1850.86公(gong)頃，占濕地(di)(di)(di)(di)公(gong)園(yuan)總(zong)(zong)面(mian)(mian)積(ji)(ji)的(de)(de)74.78%。恢(hui)復重建區包括公(gong)園(yuan)北部(bu)受(shou)(shou)污染和南部(bu)受(shou)(shou)干擾較多(duo)的(de)(de)濕地(di)(di)(di)(di)區域(yu)，面(mian)(mian)積(ji)(ji)290.78公(gong)頃，占濕地(di)(di)(di)(di)公(gong)園(yuan)總(zong)(zong)面(mian)(mian)積(ji)(ji)的(de)(de)11.75%。合理(li)利用區位(wei)于楊子(zi)壩至許(xu)壩的(de)(de)區域(yu)，面(mian)(mian)積(ji)(ji)315.66公(gong)頃，占濕地(di)(di)(di)(di)公(gong)園(yuan)總(zong)(zong)面(mian)(mian)積(ji)(ji)的(de)(de)12.75%。科普(pu)宣教區位(wei)于規劃區中部(bu)，面(mian)(mian)積(ji)(ji)15.11公(gong)頃，占濕地(di)(di)(di)(di)公(gong)園(yuan)總(zong)(zong)面(mian)(mian)積(ji)(ji)的(de)(de)0.61%。管理(li)服務區位(wei)于許(xu)壩，面(mian)(mian)積(ji)(ji)2.55公(gong)頃，占濕地(di)(di)(di)(di)公(gong)園(yuan)總(zong)(zong)面(mian)(mian)積(ji)(ji)的(de)(de)0.10%。
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