廣東(dong)乳(ru)源南(nan)(nan)水(shui)湖(hu)(hu)國家濕(shi)(shi)地(di)(di)(di)(di)公(gong)(gong)園位于(yu)縣(xian)境(jing)內的西(xi)南(nan)(nan)部,地(di)(di)(di)(di)理概貌(mao)為由南(nan)(nan)向北(bei)呈狹長型(xing)廊(lang)道(dao)走向,大致范圍包(bao)括南(nan)(nan)水(shui)湖(hu)(hu)環湖(hu)(hu)公(gong)(gong)路及其周邊第一(yi)(yi)層山脊集水(shui)面(mian)。整個濕(shi)(shi)地(di)(di)(di)(di)公(gong)(gong)園東(dong)西(xi)垂直長約為10.0公(gong)(gong)里,南(nan)(nan)北(bei)垂直寬約為18.7公(gong)(gong)里,規劃(hua)總面(mian)積為6283.7公(gong)(gong)頃,以(yi)河流濕(shi)(shi)地(di)(di)(di)(di)、湖(hu)(hu)泊濕(shi)(shi)地(di)(di)(di)(di)、沼澤濕(shi)(shi)地(di)(di)(di)(di)和森林組成的復合(he)濕(shi)(shi)地(di)(di)(di)(di)生(sheng)態系統為主體(ti),在中國具有一(yi)(yi)定的典型(xing)性(xing)(xing)和代表性(xing)(xing),并且在水(shui)資源保護、濕(shi)(shi)地(di)(di)(di)(di)學(xue)、生(sheng)態學(xue)、生(sheng)物學(xue)、地(di)(di)(di)(di)學(xue)等(deng)方面(mian)均具有較(jiao)高的科學(xue)價(jia)值。
南水(shui)湖濕地(di)是廣東北(bei)部的重要(yao)生態屏障,植(zhi)被(bei)類型多樣(yang),物(wu)種(zhong)(zhong)豐富,共有(you)植(zhi)物(wu)2400多種(zhong)(zhong),其(qi)中國(guo)家(jia)級珍稀保(bao)護植(zhi)物(wu)35種(zhong)(zhong);野(ye)生脊椎動(dong)物(wu)438種(zhong)(zhong),非(fei)脊椎動(dong)物(wu)有(you)3000種(zhong)(zhong)以上,其(qi)中有(you)國(guo)家(jia)級保(bao)護動(dong)物(wu)34種(zhong)(zhong)。
南(nan)水湖(hu)(hu)(hu)濕地(di)(di)公園管理處的(de)成立,有利(li)于(yu)更好地(di)(di)保護南(nan)水湖(hu)(hu)(hu)優良的(de)水質和充足的(de)水量,有利(li)于(yu)更好地(di)(di)保護南(nan)水湖(hu)(hu)(hu)的(de)濕地(di)(di)資源及生(sheng)物(wu)多(duo)樣性,保證珠(zhu)江流(liu)域和粵北地(di)(di)區(qu)的(de)生(sheng)態安(an)(an)全,保障珠(zhu)江流(liu)域整體生(sheng)態安(an)(an)全和生(sheng)物(wu)多(duo)樣性。