遂昌九龍山位于遂昌西南部,是國家級自然保護區,保護區內峰巒疊障,地廣人稀,是我國東部保留極少的原始狀態森林植被之一。主峰(feng)1724米為浙江(jiang)省第四(si)高峰(feng),為浙江(jiang)省第四(si)高峰(feng)。海拔(ba)千米以上(shang)有近萬畝(mu)原始狀態(tai)的天然林,具備中亞熱帶闊葉林植被(bei)的典型特征。
近年來(lai),九(jiu)龍山發現了70平方公里的(de)(de)(de)(de)天然(ran)和(he)人(ren)工相嵌的(de)(de)(de)(de)森林(lin),保持著(zhu)原始狀態,綠樹(shu)華蓋,古森參天。九(jiu)龍山具有(you)(you)(you)(you)490多種(zhong)(zhong)(zhong)動(dong)(dong)(dong)物(wu)資源(yuan)(yuan),其中哺(bu)乳動(dong)(dong)(dong)物(wu)43種(zhong)(zhong)(zhong),鳥(niao)類42種(zhong)(zhong)(zhong),爬行類32種(zhong)(zhong)(zhong),兩棲類20種(zhong)(zhong)(zhong),魚類12種(zhong)(zhong)(zhong),昆(kun)蟲類達350余(yu)種(zhong)(zhong)(zhong)。在那奔騰習泄的(de)(de)(de)(de)溪(xi)谷里,生(sheng)(sheng)活著(zhu)各種(zhong)(zhong)(zhong)各樣的(de)(de)(de)(de)魚類。九(jiu)龍山是我省(sheng)生(sheng)(sheng)物(wu)資源(yuan)(yuan)的(de)(de)(de)(de)巨大(da)(da)基因庫,故九(jiu)龍山地區被(bei)子稱(cheng)(cheng)為“珍(zhen)稀樹(shu)木之鄉”。享有(you)(you)(you)(you)“生(sheng)(sheng)物(wu)基因庫”的(de)(de)(de)(de)美(mei)稱(cheng)(cheng)。有(you)(you)(you)(you)植物(wu)173科(ke)637屬1340余(yu)種(zhong)(zhong)(zhong),國家級重點保護(hu)植物(wu)18種(zhong)(zhong)(zhong);有(you)(you)(you)(you)脊椎動(dong)(dong)(dong)物(wu)149種(zhong)(zhong)(zhong),有(you)(you)(you)(you)獼猴、金錢(qian)豹(bao)、云豹(bao)、金貓(mao)、娃娃魚、髭(zi)蟾等珍(zhen)稀動(dong)(dong)(dong)物(wu)十(shi)余(yu)種(zhong)(zhong)(zhong)。還有(you)(you)(you)(you)神(shen)秘的(de)(de)(de)(de)"野人(ren)"之迷;農(nong)林(lin)昆(kun)蟲種(zhong)(zhong)(zhong)類繁多,真不愧為"生(sheng)(sheng)物(wu)基因寶(bao)庫"之美(mei)稱(cheng)(cheng)。是專家學(xue)者(zhe),學(xue)生(sheng)(sheng)科(ke)學(xue)考察,了解生(sheng)(sheng)態的(de)(de)(de)(de)極好(hao)環境。1983年建立(li)自(zi)然(ran)保護(hu)區,內(nei)有(you)(you)(you)(you)四洲蘭、龍井(jing)、十(shi)八羅漢、飯(fan)蒸壇、八仙(xian)釣臺、大(da)(da)巖、石門等景點。
九龍山(shan)(shan)(shan)(shan)自(zi)然環境優(you)越,起源古老復雜,生物資源豐富,生態系統(tong)完整,現已有(you)四州蘭,龍井,十八(ba)羅漢,八(ba)仙(xian)釣臺,大(da)巖,十門等(deng)景區。不(bu)可(ke)多得的生態旅游(you)區。山(shan)(shan)(shan)(shan)地(di)(di)陡峭,高峰(feng)(feng)群(qun)集,山(shan)(shan)(shan)(shan)頂部有(you)古夷平面殘(can)留,重力坡地(di)(di)貌廣泛(fan)分布,閉塞的小(xiao)地(di)(di)形環境等(deng)構成(cheng)九龍山(shan)(shan)(shan)(shan)呈西南-—東北走向的中山(shan)(shan)(shan)(shan)山(shan)(shan)(shan)(shan)地(di)(di)地(di)(di)貌特(te)征。主峰(feng)(feng)周(zhou)圍簇擁著海拔1500m以上的山(shan)(shan)(shan)(shan)峰(feng)(feng)28座,1000m以上的山(shan)(shan)(shan)(shan)峰(feng)(feng)25座。
九龍山(shan)氣(qi)(qi)候(hou)屬中亞(ya)熱帶濕(shi)潤季(ji)風氣(qi)(qi)候(hou),四(si)季(ji)分明(ming)(ming),雨(yu)水充沛,光(guang)照適宜(yi),相對濕(shi)度較(jiao)高。區(qu)內山(shan)巒(luan)起伏,溝(gou)壑(he)縱橫,云海(hai)茫茫。復(fu)雜的地(di)形,構(gou)成了豐富多樣(yang)的氣(qi)(qi)候(hou)環境。概(gai)括九龍山(shan)保(bao)護區(qu)的氣(qi)(qi)候(hou)條件,具有垂直地(di)帶性(xing)、雨(yu)季(ji)和干季(ji)明(ming)(ming)顯、山(shan)頂部風大氣(qi)(qi)候(hou)變化復(fu)雜、南北坡有較(jiao)大差異4個特征。
土(tu)(tu)壤(rang)有(you)紅壤(rang)、黃壤(rang)、水(shui)稻土(tu)(tu)3個土(tu)(tu)類。土(tu)(tu)壤(rang)發育特(te)點是富(fu)鋁化作(zuo)用(yong)顯著,有(you)機質(zhi)轉化迅速。粘粒礦物以多水(shui)高嶺土(tu)(tu)和(he)三水(shui)鋁石為主(zhu),腐殖質(zhi)組成以富(fu)里(li)酸占優(you)勢;土(tu)(tu)層深厚,粘質(zhi)粗松,酸性反應,有(you)機質(zhi)、全(quan)氮及鉀素豐富(fu)。
九(jiu)龍山保(bao)護區是錢塘江(jiang)水(shui)(shui)系烏(wu)溪(xi)(xi)江(jiang)支流的(de)集水(shui)(shui)區,山澗(jian)溪(xi)(xi)流受構造(zao)線NE—SW向(xiang)及NE向(xiang)的(de)控(kong)制,整個水(shui)(shui)系呈羽翅(chi)狀,形成“九(jiu)脊六溝”,從東西兩(liang)個方向(xiang)流入毛陽溪(xi)(xi)、周公源和碧龍源,再匯合于湖南鎮水(shui)(shui)庫,流入錢塘江(jiang)上游的(de)烏(wu)溪(xi)(xi)江(jiang)。
九龍山(shan)水(shui)資源豐富,水(shui)體質量良好,溶解氧含量高,據(ju)環(huan)保部門監測,符(fu)合(he)國家(jia)Ⅰ類標準。
本區(qu)(qu)(qu)地(di)帶(dai)性植(zhi)(zhi)(zhi)被(bei)(bei)(bei)是(shi)中(zhong)亞(ya)熱帶(dai)常(chang)綠闊(kuo)(kuo)葉林(lin),九(jiu)龍(long)山保(bao)護(hu)區(qu)(qu)(qu)是(shi)華東(dong)(dong)地(di)區(qu)(qu)(qu)植(zhi)(zhi)(zhi)被(bei)(bei)(bei)保(bao)存(cun)完(wan)好的地(di)區(qu)(qu)(qu)之一。尤其是(shi)600hm2原(yuan)生狀態(tai)自然植(zhi)(zhi)(zhi)被(bei)(bei)(bei)在(zai)我國(guo)東(dong)(dong)部高(gao)密度(du)人口及經濟發達地(di)區(qu)(qu)(qu)十分罕見。由于海拔高(gao)差大,垂(chui)(chui)直氣(qi)候變異明顯,九(jiu)龍(long)山保(bao)護(hu)區(qu)(qu)(qu)植(zhi)(zhi)(zhi)被(bei)(bei)(bei)顯示常(chang)綠闊(kuo)(kuo)葉林(lin)典型(xing)特征的同(tong)時(shi),還存(cun)在(zai)著較為完(wan)整的垂(chui)(chui)直帶(dai)譜系(xi)列。保(bao)護(hu)區(qu)(qu)(qu)植(zhi)(zhi)(zhi)被(bei)(bei)(bei)可劃分為針葉林(lin)(34.9%)、針闊(kuo)(kuo)混交(jiao)林(lin)(20.2%)、闊(kuo)(kuo)葉林(lin)(38.7%)、竹(zhu)林(lin)(0.4%)和灌叢(5.0%)5個植(zhi)(zhi)(zhi)被(bei)(bei)(bei)型(xing)組(zu)、11個植(zhi)(zhi)(zhi)被(bei)(bei)(bei)型(xing)、32個群系(xi)組(zu)、39個群系(xi)和44個群叢組(zu)。