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廣東(dong)萬(wan)綠(lv)湖(hu)(hu)位于(yu)廣東(dong)省河(he)源市東(dong)源縣境內，是華南(nan)(nan)最(zui)大的(de)人工庫(ku)塘濕(shi)(shi)地(di)(di)，面(mian)(mian)積37500公(gong)(gong)(gong)頃(qing)，庫(ku)容139億立方米，是東(dong)江(jiang)的(de)主要水(shui)源水(shui)質常(chang)年(nian)保持在國家(jia)Ⅰ類地(di)(di)表(biao)水(shui)水(shui)質范(fan)圍。廣東(dong)萬(wan)綠(lv)湖(hu)(hu)濕(shi)(shi)地(di)(di)公(gong)(gong)(gong)園(yuan)(yuan)位于(yu)萬(wan)綠(lv)湖(hu)(hu)的(de)中部至南(nan)(nan)部，占萬(wan)綠(lv)湖(hu)(hu)水(shui)域面(mian)(mian)積的(de)三分之二，地(di)(di)理(li)位置(zhi)居于(yu)東(dong)經114°21′4″－114°43′20″，北緯23°42′53″－23°55′35″間，屬南(nan)(nan)亞熱帶(dai)北緣。濕(shi)(shi)地(di)(di)公(gong)(gong)(gong)園(yuan)(yuan)總面(mian)(mian)積26348.7公(gong)(gong)(gong)頃(qing)，其中濕(shi)(shi)地(di)(di)24880.4公(gong)(gong)(gong)頃(qing)，林(lin)地(di)(di)1466.3公(gong)(gong)(gong)頃(qing)，建設用(yong)地(di)(di)2.0公(gong)(gong)(gong)頃(qing)。濕(shi)(shi)地(di)(di)公(gong)(gong)(gong)園(yuan)(yuan)北與錫場鎮、廣東(dong)河(he)源新港省級自(zi)然(ran)保護區(qu)比(bi)鄰，南(nan)(nan)抵庫(ku)岸線，西(xi)抵新回龍鎮，東(dong)至新港鎮，濕(shi)(shi)地(di)(di)公(gong)(gong)(gong)園(yuan)(yuan)呈(cheng)東(dong)西(xi)向不規則放射(she)狀，整(zheng)個濕(shi)(shi)地(di)(di)公(gong)(gong)(gong)園(yuan)(yuan)東(dong)西(xi)垂(chui)直長約(yue)為(wei)35公(gong)(gong)(gong)里(li)，南(nan)(nan)北垂(chui)直寬約(yue)為(wei)24公(gong)(gong)(gong)里(li)，距河(he)源市區(qu)6公(gong)(gong)(gong)里(li)，距廣州約(yue)250公(gong)(gong)(gong)里(li)。廣東(dong)萬(wan)綠(lv)湖(hu)(hu)國家(jia)濕(shi)(shi)地(di)(di)公(gong)(gong)(gong)園(yuan)(yuan)從2010年(nian)3月份開始申報，2011年(nian)3月25日經國家(jia)林(lin)業(ye)局(ju)林(lin)濕(shi)(shi)發(fa)[2011]61號文件列入試點名單，為(wei)廣東(dong)省新豐(feng)江(jiang)林(lin)業(ye)管理(li)局(ju)下屬公(gong)(gong)(gong)益(yi)一類事業(ye)單位，核定事業(ye)編制4人。

廣東萬綠湖國(guo)家(jia)濕地(di)(di)公園濕地(di)(di)類(lei)型簡單，根據《全(quan)國(guo)濕地(di)(di)資源(yuan)調查技術規程（試(shi)行）》的(de)(de)分類(lei)系統(tong)，廣東萬綠湖國(guo)家(jia)濕地(di)(di)公園內的(de)(de)濕地(di)(di)即萬綠湖屬人工濕地(di)(di)中(zhong)的(de)(de)庫塘濕地(di)(di)，面(mian)積(ji)24880.4公頃，占濕地(di)(di)公園總(zong)面(mian)積(ji)的(de)(de)94.4%。此外，在局部平緩地(di)(di)帶也有零星的(de)(de)草本沼澤分布。