陜(shan)西(xi)(xi)合(he)(he)陽徐水河(he)(he)國家濕(shi)(shi)地公(gong)(gong)(gong)(gong)(gong)園(yuan)橫貫縣境(jing)北(bei)部,為黃河(he)(he)晉陜(shan)段(duan)南(nan)北(bei)向寬(kuan)闊河(he)(he)谷右(you)岸黃河(he)(he)一級(ji)支流,西(xi)(xi)北(bei)起渭北(bei)黃土高原(yuan)黃龍山(shan)系(xi)的(de)皇甫莊林場上馬(ma)西(xi)(xi),東南(nan)至(zhi)百(bai)良鎮岔峪口,與陜(shan)西(xi)(xi)黃河(he)(he)濕(shi)(shi)地省級(ji)自然保(bao)(bao)(bao)(bao)護區相接(jie),全長(chang)36.4公(gong)(gong)(gong)(gong)(gong)里,總(zong)面積(ji)(ji)1386公(gong)(gong)(gong)(gong)(gong)頃(qing)(qing)。濕(shi)(shi)地公(gong)(gong)(gong)(gong)(gong)園(yuan)共分為五個(ge)功(gong)能區:保(bao)(bao)(bao)(bao)護保(bao)(bao)(bao)(bao)育區,面積(ji)(ji)1075公(gong)(gong)(gong)(gong)(gong)頃(qing)(qing);恢復重建(jian)區,面積(ji)(ji)156公(gong)(gong)(gong)(gong)(gong)頃(qing)(qing);宣(xuan)教展示區,面積(ji)(ji)40公(gong)(gong)(gong)(gong)(gong)頃(qing)(qing);合(he)(he)理(li)利用區,面積(ji)(ji)100公(gong)(gong)(gong)(gong)(gong)頃(qing)(qing);管理(li)服務區,面積(ji)(ji)15公(gong)(gong)(gong)(gong)(gong)頃(qing)(qing)。保(bao)(bao)(bao)(bao)護保(bao)(bao)(bao)(bao)育區和恢復重建(jian)區占(zhan)總(zong)面積(ji)(ji)的(de)88.8%。
濕(shi)地公園(yuan)共分五個(ge)功能區(qu):保(bao)護(hu)保(bao)育區(qu)西(xi)(xi)北(bei)起(qi)皇甫莊林(lin)場的上馬西(xi)(xi),南(nan)至(zhi)百(bai)(bai)良(liang)鎮(zhen)(zhen)百(bai)(bai)良(liang)水庫(ku)壩(ba)頂(ding),面(mian)(mian)積1075公頃,這是濕(shi)地公園(yuan)的核(he)心和(he)生態基質。恢復(fu)重建區(qu)西(xi)(xi)起(qi)百(bai)(bai)良(liang)鎮(zhen)(zhen)百(bai)(bai)良(liang)水庫(ku)壩(ba)頂(ding),東至(zhi)百(bai)(bai)良(liang)鎮(zhen)(zhen)上黨河村,面(mian)(mian)積156公頃,以恢復(fu)和(he)重建完整濕(shi)地生態系統為(wei)(wei)主,著(zhu)力(li)建設(she)良(liang)好的生態廊道,宣(xuan)教(jiao)展示(shi)區(qu)西(xi)(xi)起(qi)百(bai)(bai)良(liang)鎮(zhen)(zhen)上黨河村,東至(zhi)百(bai)(bai)良(liang)鎮(zhen)(zhen)郭(guo)家河村,面(mian)(mian)積40公頃,以典型河流濕(shi)地、庫(ku)塘濕(shi)地為(wei)(wei)載(zai)體,主要向游客(ke)展示(shi)濕(shi)地科普(pu)知識。合理(li)利用(yong)區(qu)西(xi)(xi)起(qi)百(bai)(bai)良(liang)鎮(zhen)(zhen)郭(guo)家河村,東至(zhi)岔峪(yu)口,面(mian)(mian)積100公頃,以保(bao)護(hu)為(wei)(wei)前提,彰顯濕(shi)地文化,著(zhu)力(li)打造黃河之濱休閑濕(shi)地。管(guan)理(li)服務(wu)區(qu)面(mian)(mian)積15公頃,主要履(lv)行管(guan)理(li)和(he)服務(wu)職能。
陜西(xi)合陽徐(xu)水河國家(jia)濕地(di)公園的(de)建設,對(dui)于打(da)造西(xi)北地(di)區具有(you)代(dai)表性半干旱區河流(liu)型國家(jia)濕地(di)公園示范,對(dui)于保(bao)護(hu)(hu)黃河濕地(di)生(sheng)物(wu)多樣性、強化陜西(xi)省濕地(di)保(bao)護(hu)(hu)體系、維(wei)系黃河水生(sheng)態安全(quan)有(you)著重要意義。