陜西(xi)合(he)陽徐水河國(guo)家濕地公(gong)園橫貫縣(xian)境北(bei)部(bu),為(wei)黃(huang)河晉(jin)陜段南(nan)北(bei)向(xiang)寬闊(kuo)河谷右岸(an)黃(huang)河一級(ji)支(zhi)流(liu),西(xi)北(bei)起(qi)渭北(bei)黃(huang)土高原(yuan)黃(huang)龍山系的(de)皇甫莊林場上馬西(xi),東南(nan)至(zhi)百良鎮(zhen)岔峪口,與陜西(xi)黃(huang)河濕地省級(ji)自然保(bao)護(hu)(hu)區(qu)相接,全長36.4公(gong)里,總面(mian)(mian)積(ji)(ji)(ji)1386公(gong)頃(qing)(qing)。濕地公(gong)園共分為(wei)五個功能(neng)區(qu):保(bao)護(hu)(hu)保(bao)育區(qu),面(mian)(mian)積(ji)(ji)(ji)1075公(gong)頃(qing)(qing);恢復重建(jian)區(qu),面(mian)(mian)積(ji)(ji)(ji)156公(gong)頃(qing)(qing);宣教展示(shi)區(qu),面(mian)(mian)積(ji)(ji)(ji)40公(gong)頃(qing)(qing);合(he)理利用區(qu),面(mian)(mian)積(ji)(ji)(ji)100公(gong)頃(qing)(qing);管理服務區(qu),面(mian)(mian)積(ji)(ji)(ji)15公(gong)頃(qing)(qing)。保(bao)護(hu)(hu)保(bao)育區(qu)和恢復重建(jian)區(qu)占總面(mian)(mian)積(ji)(ji)(ji)的(de)88.8%。
濕(shi)地(di)(di)公(gong)園(yuan)共分五個功(gong)能(neng)區(qu):保護保育區(qu)西北起(qi)皇甫莊林場的(de)上(shang)馬西,南至(zhi)百(bai)良(liang)鎮百(bai)良(liang)水庫壩頂,面(mian)積1075公(gong)頃,這是濕(shi)地(di)(di)公(gong)園(yuan)的(de)核心(xin)和生態基質。恢(hui)復重建(jian)區(qu)西起(qi)百(bai)良(liang)鎮百(bai)良(liang)水庫壩頂,東(dong)至(zhi)百(bai)良(liang)鎮上(shang)黨河(he)(he)村(cun),面(mian)積156公(gong)頃,以(yi)恢(hui)復和重建(jian)完整濕(shi)地(di)(di)生態系統為主(zhu),著(zhu)力建(jian)設良(liang)好的(de)生態廊道(dao),宣教展(zhan)示區(qu)西起(qi)百(bai)良(liang)鎮上(shang)黨河(he)(he)村(cun),東(dong)至(zhi)百(bai)良(liang)鎮郭家(jia)河(he)(he)村(cun),面(mian)積40公(gong)頃,以(yi)典型河(he)(he)流濕(shi)地(di)(di)、庫塘(tang)濕(shi)地(di)(di)為載(zai)體,主(zhu)要(yao)向游客展(zhan)示濕(shi)地(di)(di)科普知識。合理利用區(qu)西起(qi)百(bai)良(liang)鎮郭家(jia)河(he)(he)村(cun),東(dong)至(zhi)岔峪口(kou),面(mian)積100公(gong)頃,以(yi)保護為前提,彰(zhang)顯濕(shi)地(di)(di)文化,著(zhu)力打造黃(huang)河(he)(he)之(zhi)濱休閑(xian)濕(shi)地(di)(di)。管理服務區(qu)面(mian)積15公(gong)頃,主(zhu)要(yao)履行管理和服務職能(neng)。
陜(shan)西(xi)合陽徐水河國家濕(shi)地(di)(di)公(gong)園(yuan)的建設,對于打造西(xi)北地(di)(di)區具(ju)有(you)代表性半干旱區河流型國家濕(shi)地(di)(di)公(gong)園(yuan)示范,對于保護(hu)黃河濕(shi)地(di)(di)生(sheng)物多樣性、強化陜(shan)西(xi)省濕(shi)地(di)(di)保護(hu)體系、維系黃河水生(sheng)態安全有(you)著重要意義。