東(dong)(dong)(dong)寨港國家級自然保護區(qu)(qu)(qu)地處(chu)海南省(sheng)東(dong)(dong)(dong)北部,位于海口市美蘭區(qu)(qu)(qu)演豐鎮,地理坐標為東(dong)(dong)(dong)經110°32′~110°37′,北緯(wei)19°51′~20°1′,屬濕地類型(xing)的(de)自然保護區(qu)(qu)(qu)。
東(dong)寨(zhai)港紅樹(shu)林是我國(guo)目(mu)前面積最(zui)大(da)的(de)一片(pian)沿海(hai)(hai)灘涂森林,綿延海(hai)(hai)岸線總長28公(gong)里(li),是中國(guo)最(zui)美的(de)海(hai)(hai)南八大(da)海(hai)(hai)岸線之一。因(yin)陸陷成海(hai)(hai),形如漏斗,海(hai)(hai)岸線曲(qu)折多(duo)灣,瀉湖灘面緩平,紅樹(shu)林就(jiu)分布(bu)在整(zheng)個(ge)海(hai)(hai)岸淺灘上。保護(hu)區內的(de)紅樹(shu)林被譽為(wei)“海(hai)(hai)上森林公(gong)園”,且具有(you)世(shi)界(jie)地(di)質奇觀的(de)“海(hai)(hai)底村莊”。
紅(hong)樹林保護(hu)區(qu)有鳥類(lei)204種、軟體動物(wu)115種、魚類(lei)119種、蟹(xie)類(lei)70多(duo)種、蝦類(lei)40多(duo)種,是物(wu)種基因和(he)資源的(de)寶庫(ku),除了(le)生(sheng)物(wu)多(duo)樣性,紅(hong)樹林還具(ju)有許(xu)多(duo)獨特的(de)生(sheng)態功能(neng),鮮為人知。如,防浪護(hu)堤,有著(zhu)巨大(da)的(de)防災減(jian)災作(zuo)用,其次(ci),它還能(neng)凈化(hua)環境(jing),包括大(da)氣凈化(hua)功能(neng)、水體凈化(hua)功能(neng)和(he)土(tu)壤凈化(hua)功能(neng)等,被譽為“綠色氧吧”。
保護對象
綜述
該區主(zhu)要保護對象(xiang)有沿海紅樹林生(sheng)態(tai)系統,以水(shui)禽為代表的珍稀瀕(bin)危物種及區內生(sheng)物多樣性。
植物
紅(hong)樹(shu)植(zhi)(zhi)(zhi)物19科(ke)(ke)35種(zhong)(zhong)(zhong),其(qi)中真(zhen)紅(hong)樹(shu)植(zhi)(zhi)(zhi)物11科(ke)(ke)23種(zhong)(zhong)(zhong),半紅(hong)樹(shu)植(zhi)(zhi)(zhi)物9科(ke)(ke)12種(zhong)(zhong)(zhong)(其(qi)中真(zhen)紅(hong)樹(shu)白骨壤和(he)半紅(hong)樹(shu)許樹(shu)同(tong)屬馬(ma)鞭草科(ke)(ke)),占全國紅(hong)樹(shu)林植(zhi)(zhi)(zhi)物種(zhong)(zhong)(zhong)類(lei)的(de)97%,其(qi)中海南海桑、水椰(ye)、卵葉(xie)(xie)海桑、擬海桑、木(mu)(mu)果楝(lian)、正(zheng)紅(hong)樹(shu)、尖葉(xie)(xie)鹵(lu)蕨、瓶花木(mu)(mu)、玉蕊(rui)、楊(yang)葉(xie)(xie)肖槿和(he)銀葉(xie)(xie)樹(shu)等11種(zhong)(zhong)(zhong)為中國紅(hong)樹(shu)林珍稀(xi)瀕危植(zhi)(zhi)(zhi)物。[4]
動物
棲(qi)息的鳥類有(you)(you)(you) 194 種(zhong),其中(zhong)鳥類珍稀物(wu)種(zhong)包括黑臉(lian)琵(pi)鷺(lu)、白腹鷂(yao)、白頭鷂(yao)、斑(ban)頭鵂鹠(liu)、橙胸(xiong)綠鳩、鶚、褐翅(chi)鴉鵑(juan)、黑翅(chi)鳶、黑鳶、紅(hong)隼、黃嘴(zui)白鷺(lu)、灰雁、領角鸮(xiao)、綠嘴(zui)地鵑(juan)、普通鵟、小鴉鵑(juan)、游(you)隼和原雞(ji)等(deng)(deng)(deng)18種(zhong)國家二(er)級(ji)保護(hu)鳥類,保護(hu)區最(zui)常見(jian)的鳥類有(you)(you)(you)池鷺(lu)、小白鷺(lu)、大(da)白鷺(lu)、牛背(bei)鷺(lu)、夜鷺(lu)、蒼鷺(lu)、綠鷺(lu)、綠翅(chi)鴨(ya)、紅(hong)腳鷸、青腳鷸、絲光椋鳥、棕背(bei)伯(bo)勞、鐵嘴(zui)沙鴴和蒙(meng)古沙鴴等(deng)(deng)(deng)。魚(yu)類有(you)(you)(you)103 種(zhong),主(zhu)(zhu)要(yao)(yao)(yao)有(you)(you)(you)鯛魚(yu)、鯔魚(yu)、中(zhong)華烏塘鱧(土魚(yu))、中(zhong)華豆(dou)齒鰻(土龍)和鱸魚(yu)等(deng)(deng)(deng)。螃(pang)蟹(xie)主(zhu)(zhu)要(yao)(yao)(yao)有(you)(you)(you)鋸緣青蟹(xie)、沼潮蟹(xie)和相手蟹(xie)等(deng)(deng)(deng);蝦類主(zhu)(zhu)要(yao)(yao)(yao)有(you)(you)(you)斑(ban)節對蝦、口蝦姑和鮮明鼓蝦等(deng)(deng)(deng)。軟(ruan)體動物(wu)115種(zhong),主(zhu)(zhu)要(yao)(yao)(yao)有(you)(you)(you)萊彩螺、紫游(you)螺、斑(ban)肋(lei)濱螺、黑口濱螺、粗糙濱螺、紅(hong)樹蜆、棒錐(zhui)螺、瘤(liu)背(bei)石磺、毛(mao)蚶、泥(ni)蚶、海月、近江牡蠣、僧帽(mao)牡蠣、團聚牡蠣、胖紫蛤(ha)、縊蟶(cheng)(cheng)、長竹蟶(cheng)(cheng)、文(wen)蛤(ha)、紅(hong)肉河藍蛤(ha)和珠(zhu)帶擬蟹(xie)螺等(deng)(deng)(deng)。[4]
重點對象
紅(hong)樹(shu)(shu)(shu)(shu)林是(shi)熱(re)帶和亞熱(re)帶海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)岸特(te)殊的(de)(de)森林植物群(qun)(qun)落(luo),中(zhong)(zhong)國(guo)(guo)僅在南(nan)(nan)方少數省區(qu)(qu)的(de)(de)沿(yan)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)有(you)所(suo)分布(bu)。東寨港及其(qi)附近的(de)(de)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)灘上(shang)尚保(bao)存有(you)面積(ji)較大、生長良好(hao)的(de)(de)紅(hong)樹(shu)(shu)(shu)(shu)林,且紅(hong)樹(shu)(shu)(shu)(shu)林樹(shu)(shu)(shu)(shu)種之多(duo),為(wei)中(zhong)(zhong)國(guo)(guo)之最(zui),全球(qiu)紅(hong)樹(shu)(shu)(shu)(shu)林樹(shu)(shu)(shu)(shu)種約40多(duo)種,中(zhong)(zhong)國(guo)(guo)分布(bu)有(you)24種,而東寨 港就有(you)19種。該(gai)保(bao)護區(qu)(qu)的(de)(de)建立對保(bao)護生物多(duo)樣性和維護海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)灣生態平衡等(deng)方面都(dou)有(you)重要(yao)作用。共有(you)紅(hong)樹(shu)(shu)(shu)(shu)植物16科(ke)32種,其(qi)中(zhong)(zhong)水(shui)椰、紅(hong)欖(lan)(lan)(lan)李、海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)南(nan)(nan)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)桑(sang)(sang)、卵葉(xie)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)桑(sang)(sang)、擬海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)桑(sang)(sang)、木(mu)(mu)(mu)果楝(lian)、正紅(hong)樹(shu)(shu)(shu)(shu)、尖葉(xie)鹵(lu)蕨(jue)為(wei)珍(zhen)貴樹(shu)(shu)(shu)(shu)種。海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)南(nan)(nan)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)桑(sang)(sang)和尖葉(xie)鹵(lu)蕨(jue)為(wei)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)南(nan)(nan)特(te)有(you)。該(gai)區(qu)(qu)主(zhu)要(yao)紅(hong)樹(shu)(shu)(shu)(shu)林群(qun)(qun)落(luo)有(you)(1)木(mu)(mu)(mu)欖(lan)(lan)(lan)群(qun)(qun)落(luo),(2)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)蓮(lian)群(qun)(qun)落(luo),(3)角果木(mu)(mu)(mu)群(qun)(qun)落(luo),(4)白骨(gu)壤群(qun)(qun)落(luo),(5)秋(qiu)茄群(qun)(qun)落(luo),(6)紅(hong)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)欖(lan)(lan)(lan)群(qun)(qun)落(luo),(7)水(shui)椰群(qun)(qun)落(luo),(8)鹵(lu)蕨(jue)群(qun)(qun)落(luo),(9)桐(tong)(tong)花樹(shu)(shu)(shu)(shu)群(qun)(qun)落(luo),(10)欖(lan)(lan)(lan)李群(qun)(qun)落(luo),(11)紅(hong)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)欖(lan)(lan)(lan)+角果木(mu)(mu)(mu)群(qun)(qun)落(luo),(12)角果木(mu)(mu)(mu)+桐(tong)(tong)花群(qun)(qun)落(luo),(13)海(hai)(hai)(hai)(hai)(hai)(hai)(hai)(hai)桑(sang)(sang)+秋(qiu)茄群(qun)(qun)落(luo)。
東寨港紅樹(shu)品種主要(yao)有紅海(hai)欖(lan)、木(mu)欖(lan)、尖(jian)瓣海(hai)蓮、角果木(mu)、秋茄、白欖(lan)、海(hai)骨根(gen)、海(hai)漆、桐花樹(shu)、老(lao)鼠勒(le)、水柳、王(wang)蕊(rui)、海(hai)芒果等。[5]
保護現狀
基礎建設
東寨港紅樹(shu)林(lin)定位站現(xian)有潮汐模擬實驗室(shi)150
平(ping)方(fang)米(mi)、潮汐波浪自動觀測(ce)(ce)平(ping)臺4座(zuo)、電子(zi)氣象站6座(zuo)(含(han)標準氣象站1座(zuo))、固定樣地16塊、鳥類觀測(ce)(ce)屋1座(zuo)、分析(xi)試(shi)驗(yan)室2間(jian)、試(shi)驗(yan)苗圃(pu)1個。并有Li-cor 6400光(guang)合儀、LI3000C葉面(mian)積儀、望(wang)遠(yuan)鏡、超聲測(ce)(ce)高測(ce)(ce)距儀、底(di)泥(ni)采集器(qi)(qi)、采水器(qi)(qi)、NOVA水質儀、微(wei)電腦熱量計、超凈工作臺、振蕩培養器(qi)(qi)、筆式熒光(guang)儀、手(shou)持式氣象測(ce)(ce)定儀、自計水位計、手(shou)持折光(guang)儀等一批(pi)先進儀器(qi)(qi)設備。[6]
管理人員
東寨港紅(hong)樹林定(ding)位(wei)站(zhan)現有(you)固定(ding)研(yan)究(jiu)人員(yuan)10人,具有(you)碩士(shi)、博士(shi)學(xue)位(wei)的5人。定(ding)位(wei)站(zhan)為國(guo)內科研(yan)院所和(he)高校提供(gong)了野外試驗和(he)研(yan)究(jiu)平臺,在紅(hong)樹林濕地(di)恢復、生物多樣性、防災(zai)減災(zai)效(xiao)益等研(yan)究(jiu)中(zhong)做出重要(yao)貢獻(xian)。
科研成果
2000-2005年間(jian),東寨港紅樹林定位站共承擔
科研項目(mu)20余(yu)項,累積科研經(jing)(jing)費達(da)1100多萬元。定(ding)位(wei)站(zhan)成(cheng)立(li)以來3項科研成(cheng)果(guo)獲得國(guo)家(jia)和省部(bu)級(ji)獎,其中“紅(hong)樹(shu)林(lin)主(zhu)要樹(shu)種(zhong)造林(lin)與經(jing)(jing)營技(ji)術(shu)(shu)研究”獲得國(guo)家(jia)科技(ji)進步二等獎。出版紅(hong)樹(shu)林(lin)濕地(di)研究的專譯(yi)著5部(bu),發(fa)表論文(wen)80余(yu)篇。制(zhi)定(ding)了《紅(hong)樹(shu)林(lin)造林(lin)技(ji)術(shu)(shu)規程(cheng)(cheng)》和《紅(hong)樹(shu)林(lin)控制(zhi)米草屬植(zhi)物(wu)技(ji)術(shu)(shu)規程(cheng)(cheng)》2項技(ji)術(shu)(shu)規程(cheng)(cheng),申(shen)請國(guo)家(jia)發(fa)明專利2項。
紅(hong)(hong)樹(shu)(shu)(shu)林(lin)(lin)(lin)(lin)主(zhu)要(yao)樹(shu)(shu)(shu)種造(zao)林(lin)(lin)(lin)(lin)經營技術(shu)成(cheng)果在華(hua)南(nan)沿(yan)海(hai)紅(hong)(hong)樹(shu)(shu)(shu)林(lin)(lin)(lin)(lin)恢復工程(cheng)中(zhong)成(cheng)功推(tui)廣(guang)應用(yong)(yong),其中(zhong)珠海(hai)和(he)(he)(he)廣(guang)東電(dian)白分別推(tui)廣(guang)造(zao)林(lin)(lin)(lin)(lin)10000畝和(he)(he)(he)5000畝;《紅(hong)(hong)樹(shu)(shu)(shu)林(lin)(lin)(lin)(lin)造(zao)林(lin)(lin)(lin)(lin)技術(shu)規程(cheng)》為華(hua)南(nan)沿(yan)海(hai)紅(hong)(hong)樹(shu)(shu)(shu)林(lin)(lin)(lin)(lin)營造(zao)提供(gong)了科學依(yi)據(ju)和(he)(he)(he)技術(shu)支(zhi)撐(cheng);紅(hong)(hong)樹(shu)(shu)(shu)林(lin)(lin)(lin)(lin)專(zhuan)用(yong)(yong)菌(jun)肥(fei)(專(zhuan)利(li))也逐步推(tui)廣(guang)應用(yong)(yong),在珠海(hai)和(he)(he)(he)電(dian)白分別營造(zao)推(tui)廣(guang)示范(fan)林(lin)(lin)(lin)(lin)300畝和(he)(he)(he)500畝,造(zao)林(lin)(lin)(lin)(lin)成(cheng)活率提高10%以上;利(li)用(yong)(yong)速生紅(hong)(hong)樹(shu)(shu)(shu)植物(wu)替代互花米草(cao)的(de)生態控(kong)(kong)制(zhi)技術(shu)(專(zhuan)利(li)),為華(hua)南(nan)沿(yan)海(hai)地(di)區大范(fan)圍控(kong)(kong)制(zhi)互花米草(cao)蔓(man)延提供(gong)了有效途徑和(he)(he)(he)實用(yong)(yong)技術(shu)。