該公園(yuan)建設定位是以(yi)東江(jiang)(jiang)濕(shi)(shi)地(di)(di)(di)(di)(di)生態系(xi)統(tong)為核心,以(yi)河(he)流自然景觀和(he)(he)蘇家圍客(ke)家風文景觀為特色(se),以(yi)豐富的濕(shi)(shi)地(di)(di)(di)(di)(di)文化為內涵,集(ji)濕(shi)(shi)地(di)(di)(di)(di)(di)保(bao)護(hu)保(bao)育、濕(shi)(shi)地(di)(di)(di)(di)(di)功(gong)能和(he)(he)濕(shi)(shi)地(di)(di)(di)(di)(di)文化展示、濕(shi)(shi)地(di)(di)(di)(di)(di)休閑(xian)、東江(jiang)(jiang)畫廊濕(shi)(shi)地(di)(di)(di)(di)(di)景觀、濕(shi)(shi)地(di)(di)(di)(di)(di)可(ke)持續利用示范(fan)、濕(shi)(shi)地(di)(di)(di)(di)(di)科研、監測(ce)和(he)(he)宣教于一體(ti),兼備發電、灌(guan)溉和(he)(he)防洪調蓄(xu)功(gong)能的國(guo)家濕(shi)(shi)地(di)(di)(di)(di)(di)公園(yuan)。
東江(jiang)(jiang)國(guo)家濕地公園生態環境良好,動植(zhi)(zhi)物(wu)區(qu)系起源(yuan)古老,珍稀動植(zhi)(zhi)物(wu)豐(feng)富,奇花異草散布湖灣、沙洲、島嶼,構(gou)成了(le)生物(wu)資(zi)源(yuan)寶庫和旅(lv)游(you)資(zi)源(yuan)基調(diao)。東江(jiang)(jiang)河岸(an)由光莢含羞草(俗稱:簕仔樹)和粉(fen)單(dan)竹為優(you)勢(shi)種的(de)完(wan)整(zheng)(zheng)連(lian)續(xu)的(de)河岸(an)林,在國(guo)內的(de)河流中已很難見(jian)到完(wan)整(zheng)(zheng)連(lian)續(xu)的(de)河岸(an)林。粉(fen)單(dan)竹竹影搖曳(ye),簕仔樹樹型優(you)美(mei),構(gou)成了(le)東江(jiang)(jiang)兩岸(an)景觀秀(xiu)美(mei)的(de)綠色屏障,也是(shi)野生生物(wu)遷移(yi)的(de)生態走廊。
東(dong)江江心分布(bu)著大小形(xing)(xing)狀(zhuang)各(ge)異的(de)(de)(de)(de)(de)數十個沙(sha)洲,形(xing)(xing)成壯觀(guan)的(de)(de)(de)(de)(de)沙(sha)洲群(qun)(qun)(qun),碧(bi)草(cao)茵(yin)茵(yin),形(xing)(xing)成獨特的(de)(de)(de)(de)(de)沙(sha)洲島嶼沙(sha)洲濕(shi)地植(zhi)被景觀(guan)。置(zhi)身其(qi)中(zhong)(zhong)(zhong),鶯飛(fei)鳥鳴,令人心曠(kuang)神怡,流連忘返(fan)。在這里(li)可以坐觀(guan)江中(zhong)(zhong)(zhong)水禽隨波蕩漾,欣賞牛與鷺(lu)鳥碧(bi)野(ye)(ye)田間相依(yi)相傍,構(gou)成一(yi)幅如詩如畫(hua)的(de)(de)(de)(de)(de)山水畫(hua)卷,人與自然、人與動(dong)物(wu)(wu)(wu)和諧相處的(de)(de)(de)(de)(de)天然佳景。沙(sha)洲上及其(qi)邊緣的(de)(de)(de)(de)(de)沙(sha)灘是(shi)黿(yuan)(yuan)等(deng)珍(zhen)稀保(bao)護(hu)水生(sheng)(sheng)野(ye)(ye)生(sheng)(sheng)動(dong)物(wu)(wu)(wu)的(de)(de)(de)(de)(de)良好棲(qi)息生(sheng)(sheng)境。調查表明(ming),東(dong)江濕(shi)地公園內有(you)高(gao)等(deng)維管植(zhi)物(wu)(wu)(wu)356種,水生(sheng)(sheng)植(zhi)物(wu)(wu)(wu)豐(feng)富,形(xing)(xing)成了多(duo)種多(duo)樣的(de)(de)(de)(de)(de)濕(shi)地植(zhi)被類(lei)(lei)型,包括挺水植(zhi)物(wu)(wu)(wu)群(qun)(qun)(qun)落、沉(chen)水植(zhi)物(wu)(wu)(wu)群(qun)(qun)(qun)落、漂浮植(zhi)物(wu)(wu)(wu)群(qun)(qun)(qun)落、濕(shi)生(sheng)(sheng)草(cao)甸群(qun)(qun)(qun)落等(deng)。東(dong)江濕(shi)地公園野(ye)(ye)生(sheng)(sheng)動(dong)物(wu)(wu)(wu)資(zi)源豐(feng)富,有(you)魚類(lei)(lei)68種,野(ye)(ye)生(sheng)(sheng)陸棲(qi)脊椎動(dong)物(wu)(wu)(wu)137種,其(qi)中(zhong)(zhong)(zhong)兩棲(qi)類(lei)(lei)10種,爬行類(lei)(lei)22種,鳥類(lei)(lei)85種,獸(shou)類(lei)(lei)20種;列(lie)入《國家(jia)(jia)重點保(bao)護(hu)野(ye)(ye)生(sheng)(sheng)植(zhi)物(wu)(wu)(wu)名錄》的(de)(de)(de)(de)(de)植(zhi)物(wu)(wu)(wu)2種,其(qi)中(zhong)(zhong)(zhong)野(ye)(ye)生(sheng)(sheng)稻(dao)等(deng)國家(jia)(jia)II級保(bao)護(hu)植(zhi)物(wu)(wu)(wu)2種。列(lie)為國家(jia)(jia)I級重點保(bao)護(hu)的(de)(de)(de)(de)(de)野(ye)(ye)生(sheng)(sheng)動(dong)物(wu)(wu)(wu)有(you)黿(yuan)(yuan)、蟒蛇(she)等(deng)2種,國家(jia)(jia)II級重點保(bao)護(hu)的(de)(de)(de)(de)(de)野(ye)(ye)生(sheng)(sheng)動(dong)物(wu)(wu)(wu)有(you)10種。還有(you)數十株(zhu)古(gu)樹(shu)(shu)名木形(xing)(xing)成的(de)(de)(de)(de)(de)古(gu)樹(shu)(shu)群(qun)(qun)(qun)。