陜(shan)西(xi)合陽徐水(shui)河(he)(he)國家濕(shi)地(di)公(gong)園(yuan)橫貫縣(xian)境(jing)北部,為黃(huang)(huang)河(he)(he)晉陜(shan)段南北向寬闊河(he)(he)谷右岸(an)黃(huang)(huang)河(he)(he)一(yi)級支流,西(xi)北起渭北黃(huang)(huang)土高原黃(huang)(huang)龍山(shan)系的皇(huang)甫莊(zhuang)林場上馬西(xi),東(dong)南至(zhi)百良鎮岔峪口(kou),與陜(shan)西(xi)黃(huang)(huang)河(he)(he)濕(shi)地(di)省級自然(ran)保護(hu)(hu)區(qu)(qu)(qu)相(xiang)接,全長(chang)36.4公(gong)里,總面(mian)(mian)(mian)(mian)積(ji)1386公(gong)頃(qing)。濕(shi)地(di)公(gong)園(yuan)共分為五個功(gong)能區(qu)(qu)(qu):保護(hu)(hu)保育區(qu)(qu)(qu),面(mian)(mian)(mian)(mian)積(ji)1075公(gong)頃(qing);恢(hui)復重建區(qu)(qu)(qu),面(mian)(mian)(mian)(mian)積(ji)156公(gong)頃(qing);宣教展(zhan)示(shi)區(qu)(qu)(qu),面(mian)(mian)(mian)(mian)積(ji)40公(gong)頃(qing);合理利(li)用區(qu)(qu)(qu),面(mian)(mian)(mian)(mian)積(ji)100公(gong)頃(qing);管理服務區(qu)(qu)(qu),面(mian)(mian)(mian)(mian)積(ji)15公(gong)頃(qing)。保護(hu)(hu)保育區(qu)(qu)(qu)和恢(hui)復重建區(qu)(qu)(qu)占總面(mian)(mian)(mian)(mian)積(ji)的88.8%。
濕(shi)(shi)(shi)地(di)公(gong)(gong)園共(gong)分五個功能(neng)(neng)區(qu)(qu):保護保育區(qu)(qu)西(xi)(xi)(xi)北起(qi)皇甫(fu)莊林(lin)場的(de)上(shang)馬西(xi)(xi)(xi),南至(zhi)百(bai)(bai)良(liang)鎮(zhen)百(bai)(bai)良(liang)水(shui)庫壩頂,面積(ji)1075公(gong)(gong)頃,這是濕(shi)(shi)(shi)地(di)公(gong)(gong)園的(de)核心和(he)(he)生態(tai)基質。恢復(fu)重(zhong)建(jian)區(qu)(qu)西(xi)(xi)(xi)起(qi)百(bai)(bai)良(liang)鎮(zhen)百(bai)(bai)良(liang)水(shui)庫壩頂,東至(zhi)百(bai)(bai)良(liang)鎮(zhen)上(shang)黨(dang)河村,面積(ji)156公(gong)(gong)頃,以恢復(fu)和(he)(he)重(zhong)建(jian)完整濕(shi)(shi)(shi)地(di)生態(tai)系統為主(zhu)(zhu),著力建(jian)設(she)良(liang)好的(de)生態(tai)廊(lang)道,宣(xuan)教展(zhan)(zhan)示區(qu)(qu)西(xi)(xi)(xi)起(qi)百(bai)(bai)良(liang)鎮(zhen)上(shang)黨(dang)河村,東至(zhi)百(bai)(bai)良(liang)鎮(zhen)郭家(jia)河村,面積(ji)40公(gong)(gong)頃,以典(dian)型河流濕(shi)(shi)(shi)地(di)、庫塘濕(shi)(shi)(shi)地(di)為載體,主(zhu)(zhu)要向游客展(zhan)(zhan)示濕(shi)(shi)(shi)地(di)科(ke)普(pu)知識。合理利用(yong)區(qu)(qu)西(xi)(xi)(xi)起(qi)百(bai)(bai)良(liang)鎮(zhen)郭家(jia)河村,東至(zhi)岔(cha)峪口,面積(ji)100公(gong)(gong)頃,以保護為前提,彰顯濕(shi)(shi)(shi)地(di)文化,著力打造黃河之濱休閑(xian)濕(shi)(shi)(shi)地(di)。管理服務區(qu)(qu)面積(ji)15公(gong)(gong)頃,主(zhu)(zhu)要履行管理和(he)(he)服務職能(neng)(neng)。
陜西(xi)(xi)合陽徐水河(he)國(guo)家濕(shi)(shi)地(di)公(gong)園(yuan)的建設,對于(yu)打造西(xi)(xi)北地(di)區具有代表(biao)性(xing)半干旱(han)區河(he)流型國(guo)家濕(shi)(shi)地(di)公(gong)園(yuan)示范,對于(yu)保(bao)護黃(huang)河(he)濕(shi)(shi)地(di)生物多樣性(xing)、強化陜西(xi)(xi)省濕(shi)(shi)地(di)保(bao)護體系、維(wei)系黃(huang)河(he)水生態安全有著重(zhong)要意(yi)義(yi)。