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畢拉河自然保護區
0 票數:0 #自然地理景觀#
內蒙古畢拉河國家級自然保護區位于內蒙古大興安嶺畢拉河林業局達爾濱湖林場和扎文河林場境內,行政區域隸屬于內蒙古自治區呼倫貝爾市鄂倫春自治旗諾敏鎮,屬于大興安嶺北段東麓的森林、灌叢向草原與農牧過度的嫩江流域。東與巴提克林場接壤,南與大二溝林場相鄰,西與北大河林場毗鄰,北與羊其河林場相接。2017年12月,榮獲“中國休閑自駕游目的地、中國生態休閑旅游目的地”。
  • 所在地/隸屬: 內蒙(meng)古自治區呼倫(lun)貝爾市鄂倫(lun)春自治旗(qi)諾敏鎮
  • 自然保護區等級: 國家級(2004年建區(qu))
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歷史沿革

2003年2月19日,經內蒙古(gu)大(da)興安嶺林(lin)業(ye)管(guan)理局批準,建立畢拉河盟(meng)市級(ji)自然保護區。

2004年7月21日,畢(bi)拉河自(zi)然保(bao)(bao)護區被國家林業局批準為省部級的自(zi)然保(bao)(bao)護區。

2012年3月5日,被確定為(wei)自治(zhi)區(qu)(qu)級自然保護區(qu)(qu)。

2014年12月5日,經國(guo)務院辦公廳批準,晉(jin)升為國(guo)家級自然保護區。

地理環境

位置

內(nei)蒙(meng)古(gu)畢拉河國家級自(zi)然保護區位于內(nei)蒙(meng)古(gu)大(da)(da)興安嶺(ling)畢拉河林(lin)業(ye)局達爾濱湖林(lin)場和扎文河林(lin)場境內(nei),行政區域隸屬(shu)(shu)于內(nei)蒙(meng)古(gu)自(zi)治(zhi)區呼倫(lun)貝爾市鄂倫(lun)春自(zi)治(zhi)旗諾敏鎮,屬(shu)(shu)于大(da)(da)興安嶺(ling)北段(duan)東麓的(de)森林(lin)、灌(guan)叢(cong)向草(cao)原與農牧(mu)過度的(de)嫩江流域。

地質

內(nei)蒙古(gu)(gu)(gu)(gu)畢拉河國(guo)家級(ji)自然保護區(qu)位(wei)于大(da)(da)興安嶺(ling)(ling)東南(nan)麓(lu),屬大(da)(da)興安嶺(ling)(ling)東南(nan)坡嫩江流域,地(di)(di)(di)(di)質(zhi)構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao)屬大(da)(da)興安嶺(ling)(ling)中(zhong)(zhong)(zhong)(zhong)(zhong)生(sheng)(sheng)代(dai)(dai)(dai)復(fu)(fu)式背斜構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao),褶皺(zhou)軸向多(duo)為(wei)東向。跨越喜桂圖(tu)旗中(zhong)(zhong)(zhong)(zhong)(zhong)華力(li)西(xi)地(di)(di)(di)(di)槽(cao)褶皺(zhou)帶(dai)(dai)和東烏珠穆沁旗早華力(li)西(xi)地(di)(di)(di)(di)槽(cao)褶皺(zhou)帶(dai)(dai)兩個(ge)次(ci)級(ji)構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao)單元(yuan)(yuan),頭道(dao)橋(qiao)—鄂倫(lun)春深斷裂從其境內(nei)穿過,受(shou)(shou)深斷裂影響(xiang)區(qu)域內(nei)巖(yan)(yan)(yan)(yan)漿(jiang)(jiang)活(huo)動(dong)頻繁(fan),出露(lu)地(di)(di)(di)(di)層(ceng)(ceng)以中(zhong)(zhong)(zhong)(zhong)(zhong)生(sheng)(sheng)代(dai)(dai)(dai)火山(shan)(shan)巖(yan)(yan)(yan)(yan)及火山(shan)(shan)碎(sui)屑(xie)巖(yan)(yan)(yan)(yan)為(wei)主(zhu)(zhu),分布(bu)廣(guang);元(yuan)(yuan)古(gu)(gu)(gu)(gu)界、古(gu)(gu)(gu)(gu)生(sheng)(sheng)代(dai)(dai)(dai)地(di)(di)(di)(di)層(ceng)(ceng)零星分布(bu)。中(zhong)(zhong)(zhong)(zhong)(zhong)生(sheng)(sheng)代(dai)(dai)(dai)主(zhu)(zhu)要(yao)為(wei)侏羅系(xi)中(zhong)(zhong)(zhong)(zhong)(zhong)上統(tong)(tong)及白(bai)堊系(xi)下統(tong)(tong)火山(shan)(shan)巖(yan)(yan)(yan)(yan)及火山(shan)(shan)碎(sui)屑(xie)巖(yan)(yan)(yan)(yan),廣(guang)泛分布(bu);元(yuan)(yuan)古(gu)(gu)(gu)(gu)界主(zhu)(zhu)要(yao)為(wei)興華渡口群,零星分布(bu);古(gu)(gu)(gu)(gu)生(sheng)(sheng)代(dai)(dai)(dai)地(di)(di)(di)(di)層(ceng)(ceng)主(zhu)(zhu)要(yao)是(shi)(shi)石炭(tan)系(xi)、泥盆系(xi)變(bian)質(zhi)巖(yan)(yan)(yan)(yan)零星分布(bu)。區(qu)域上由于受(shou)(shou)頭道(dao)橋(qiao)—鄂倫(lun)春深斷裂影響(xiang),從泥盆紀后經(jing)歷(li)多(duo)次(ci)構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao)運動(dong),特(te)定的(de)(de)地(di)(di)(di)(di)質(zhi)構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao)環(huan)境奠定本區(qu)巖(yan)(yan)(yan)(yan)漿(jiang)(jiang)活(huo)動(dong)、火山(shan)(shan)活(huo)動(dong)、變(bian)質(zhi)作(zuo)用的(de)(de)多(duo)期(qi)(qi)(qi)性(xing)、長期(qi)(qi)(qi)性(xing)、復(fu)(fu)雜(za)性(xing),與成(cheng)礦作(zuo)用關系(xi)較密切。侵(qin)入(ru)巖(yan)(yan)(yan)(yan)活(huo)動(dong)存在華力(li)西(xi)期(qi)(qi)(qi)、燕山(shan)(shan)期(qi)(qi)(qi)二(er)期(qi)(qi)(qi)巖(yan)(yan)(yan)(yan)漿(jiang)(jiang)侵(qin)入(ru)旋回。本區(qu)地(di)(di)(di)(di)質(zhi)構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao)復(fu)(fu)雜(za),經(jing)歷(li)三個(ge)大(da)(da)的(de)(de)發(fa)(fa)展階(jie)段(duan)(duan),即(ji)元(yuan)(yuan)古(gu)(gu)(gu)(gu)代(dai)(dai)(dai)硅鋁(lv)殼形成(cheng)階(jie)段(duan)(duan);加里東—華力(li)西(xi)期(qi)(qi)(qi)西(xi)伯利亞板(ban)(ban)塊(kuai)(kuai)南(nan)部(bu)大(da)(da)陸邊緣(yuan)發(fa)(fa)展階(jie)段(duan)(duan);中(zhong)(zhong)(zhong)(zhong)(zhong)生(sheng)(sheng)代(dai)(dai)(dai)板(ban)(ban)內(nei)構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao)發(fa)(fa)展階(jie)段(duan)(duan)。依據沉積建造(zao)(zao)(zao)(zao)、巖(yan)(yan)(yan)(yan)漿(jiang)(jiang)活(huo)動(dong)、構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao)變(bian)動(dong)等特(te)征(zheng)可劃分為(wei)五個(ge)構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao)層(ceng)(ceng),即(ji)元(yuan)(yuan)古(gu)(gu)(gu)(gu)代(dai)(dai)(dai)構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao)晚元(yuan)(yuan)古(gu)(gu)(gu)(gu)—早古(gu)(gu)(gu)(gu)生(sheng)(sheng)代(dai)(dai)(dai)構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao)層(ceng)(ceng)、晚古(gu)(gu)(gu)(gu)生(sheng)(sheng)代(dai)(dai)(dai)構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao)層(ceng)(ceng)、中(zhong)(zhong)(zhong)(zhong)(zhong)生(sheng)(sheng)代(dai)(dai)(dai)構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao)層(ceng)(ceng)及新生(sheng)(sheng)代(dai)(dai)(dai)構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao)層(ceng)(ceng)。早期(qi)(qi)(qi)以板(ban)(ban)塊(kuai)(kuai)的(de)(de)“開”、“合”為(wei)特(te)征(zheng),形成(cheng)不同類型(xing)的(de)(de)板(ban)(ban)緣(yuan)構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao);晚期(qi)(qi)(qi)受(shou)(shou)太平洋板(ban)(ban)塊(kuai)(kuai)對亞洲大(da)(da)陸的(de)(de)擠壓(ya)和俯沖作(zuo)用的(de)(de)影響(xiang),形成(cheng)一系(xi)列(lie)NE(北東)—NNE(北北東)向為(wei)主(zhu)(zhu)導的(de)(de)板(ban)(ban)內(nei)構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao),包括各種斷裂構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao),火山(shan)(shan)噴發(fa)(fa)帶(dai)(dai)及巖(yan)(yan)(yan)(yan)漿(jiang)(jiang)活(huo)動(dong)帶(dai)(dai),總體(ti)顯示(shi)“活(huo)化”特(te)征(zheng)。測區(qu)構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao)演化總趨勢是(shi)(shi):由板(ban)(ban)緣(yuan)構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao)向板(ban)(ban)內(nei)構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao)演變(bian),板(ban)(ban)塊(kuai)(kuai)剛性(xing)不斷增強(qiang),板(ban)(ban)內(nei)構(gou)(gou)(gou)(gou)(gou)(gou)(gou)造(zao)(zao)(zao)(zao)愈來愈復(fu)(fu)雜(za)多(duo)樣。形成(cheng)的(de)(de)巖(yan)(yan)(yan)(yan)石主(zhu)(zhu)要(yao)有(you)花崗巖(yan)(yan)(yan)(yan)、玄(xuan)武巖(yan)(yan)(yan)(yan)、花斑(ban)巖(yan)(yan)(yan)(yan)、碎(sui)屑(xie)灰巖(yan)(yan)(yan)(yan)、凝(ning)灰巖(yan)(yan)(yan)(yan)。

地貌

內蒙古(gu)畢拉河國家級(ji)自(zi)然保護區(qu)地(di)(di)(di)貌的(de)構成(cheng)主要是中(zhong)生代末期、第(di)(di)三紀早期具備雛形(xing)。中(zhong)生代末期以前,大(da)(da)興(xing)安(an)嶺為上升隆起(qi)(qi)的(de)構造(zao)活動,中(zhong)生代末期、第(di)(di)三紀早期,構造(zao)活動比較(jiao)(jiao)(jiao)平(ping)(ping)(ping)靜,大(da)(da)興(xing)安(an)嶺山(shan)地(di)(di)(di)遭受剝(bo)蝕(shi)、夷平(ping)(ping)(ping)作用,這(zhe)種狀況一(yi)直延續到第(di)(di)三紀晚期。第(di)(di)四紀時(shi)期,大(da)(da)興(xing)安(an)嶺山(shan)地(di)(di)(di)又傾斜(xie)式大(da)(da)面積隆起(qi)(qi),地(di)(di)(di)殼緩慢(man)上升,松嫩平(ping)(ping)(ping)原間歇性下(xia)沉(chen),由于兩者(zhe)垂直運(yun)動幅度不大(da)(da),從西(xi)(xi)北(bei)蜿蜒伸入到旗內的(de)數(shu)道大(da)(da)興(xing)安(an)嶺余脈(mo),沒有深溝峽谷,峭壁(bi)陡崖,相(xiang)對高差(cha)一(yi)般(ban)不超過(guo)500~600米,地(di)(di)(di)面坡度都小于40°。這(zhe)是區(qu)內地(di)(di)(di)形(xing)地(di)(di)(di)貌的(de)第(di)(di)一(yi)特(te)點(dian)。第(di)(di)四紀后,由于氣候(hou)條(tiao)件曾發生較(jiao)(jiao)(jiao)復雜(za)的(de)變化,在地(di)(di)(di)殼的(de)內、外力綜合作用下(xia),低山(shan)和(he)丘陵的(de)頂(ding)部變得圓滑,形(xing)成(cheng)較(jiao)(jiao)(jiao)寬闊的(de)河谷平(ping)(ping)(ping)原。這(zhe)是保護區(qu)地(di)(di)(di)形(xing)地(di)(di)(di)貌的(de)第(di)(di)二特(te)點(dian)。保護區(qu)地(di)(di)(di)貌分(fen)為山(shan)地(di)(di)(di)、丘陵、河谷、平(ping)(ping)(ping)原等(deng)類型。保護區(qu)地(di)(di)(di)形(xing)高差(cha)變化較(jiao)(jiao)(jiao)小,海拔高度在377~886米之間,地(di)(di)(di)勢北(bei)高南低,由西(xi)(xi)北(bei)向東南緩慢(man)傾斜(xie)。

氣候

內蒙古畢拉河國家級自然保護(hu)區(qu)屬中溫(wen)(wen)(wen)帶濕潤(run)、半濕潤(run)大(da)陸(lu)性季風(feng)氣(qi)候(hou)。由于緯度偏高,遠離海(hai)(hai)洋(yang),加之大(da)興安嶺(ling)的(de)屏障作用(yong),使濕潤(run)的(de)海(hai)(hai)洋(yang)性氣(qi)候(hou)團的(de)影(ying)響減弱,境域大(da)部分時間(jian)在西伯利亞高壓的(de)控制之下,形(xing)成區(qu)域氣(qi)候(hou)特(te)點:春季多(duo)風(feng),降(jiang)水稀少,氣(qi)溫(wen)(wen)(wen)多(duo)變;夏季溫(wen)(wen)(wen)和(he),降(jiang)水集(ji)中;秋季降(jiang)溫(wen)(wen)(wen)劇烈,霜期早;冬(dong)季漫長嚴(yan)寒。年(nian)平均溫(wen)(wen)(wen)度為(wei)(wei)﹣1.1℃,極端(duan)最(zui)高氣(qi)溫(wen)(wen)(wen)35.4℃,極端(duan)最(zui)低氣(qi)溫(wen)(wen)(wen)-46.0℃。≥10℃的(de)年(nian)積溫(wen)(wen)(wen)2014.4℃。年(nian)平均降(jiang)水量為(wei)(wei)479.4毫米(mi),降(jiang)水主要集(ji)中在六、七、八(ba)月份,無(wu)霜期130天左右。主要風(feng)向為(wei)(wei)西北風(feng),年(nian)平均風(feng)速為(wei)(wei)1.9米(mi)/秒。

水文

內(nei)蒙古畢拉河(he)國家級自然保(bao)(bao)護(hu)區(qu)(qu)內(nei)為地(di)(di)形起伏(fu)較大的(de)山(shan)地(di)(di),受東南海(hai)洋(yang)性濕潤(run)暖氣流(liu)(liu)(liu)影響,年均(jun)降水(shui)量479.4 mm,產(chan)匯流(liu)(liu)(liu)條件好,水(shui)蝕(shi)作用強(qiang),河(he)網較發育,是嫩江上游主要(yao)產(chan)流(liu)(liu)(liu)區(qu)(qu)。保(bao)(bao)護(hu)區(qu)(qu)主要(yao)河(he)流(liu)(liu)(liu)有畢拉河(he)、扎文(wen)(wen)河(he)、畢二(er)(er)溝河(he)等,畢拉河(he)流(liu)(liu)(liu)經(jing)保(bao)(bao)護(hu)區(qu)(qu)23 km;扎文(wen)(wen)河(he)流(liu)(liu)(liu)經(jing)本區(qu)(qu)11km,注入畢拉河(he);畢二(er)(er)溝河(he)發源(yuan)于本區(qu)(qu)并流(liu)(liu)(liu)經(jing)35km,區(qu)(qu)內(nei)河(he)流(liu)(liu)(liu)交錯,水(shui)澈透明。流(liu)(liu)(liu)域內(nei)樹木繁茂,植被良好,水(shui)土流(liu)(liu)(liu)失輕微(wei),河(he)流(liu)(liu)(liu)含沙(sha)量甚小(xiao)。

畢拉(la)河(he)位于(yu)大(da)興(xing)安嶺北段東麓,屬諾敏河(he)大(da)支流(liu),流(liu)經(jing)畢拉(la)河(he)林業局83km,流(liu)經(jing)保護區境(jing)內23km。畢拉(la)河(he)源頭位于(yu)大(da)興(xing)安嶺森林腹地(di),畢拉(la)河(he)流(liu)域擁有(you)嫩江西岸(an)大(da)的高山(shan)湖泊——達(da)爾濱(bin)湖、大(da)興(xing)安嶺長的峽谷和面積廣闊的火山(shan)熔巖群(qun)。河(he)流(liu)沿岸(an)生態與環(huan)境(jing)良好(hao),無任何(he)工礦企業,河(he)水清(qing)澈、無污染、魚類種(zhong)類繁多。

畢拉河上游(you)兩(liang)岸(an)植被茂盛,河水(shui)(shui)平(ping)緩,到中下(xia)游(you)河水(shui)(shui)進入大興(xing)安嶺的一(yi)條大峽谷(gu),峽谷(gu)長(chang)約數(shu)十千米(mi),深(shen)30~50m,兩(liang)岸(an)寬約100~150m,是火(huo)山(shan)噴(pen)發時(shi)沖(chong)擊出的溝(gou)壑。畢拉河水(shui)(shui)從峽谷(gu)穿梭(suo)而下(xia),峽谷(gu)兩(liang)岸(an)植被大多(duo)為針(zhen)葉、闊葉混交(jiao)林;河床遍布火(huo)山(shan)熔巖。河水(shui)(shui)清澈、水(shui)(shui)流(liu)湍急,水(shui)(shui)深(shen)1~1.5m。河水(shui)(shui)流(liu)動的聲音,在(zai)數(shu)百米(mi)之外(wai)都可以聽得真真切切。畢拉河流(liu)域(yu)地質奇特、植被類(lei)型多(duo)樣(yang)、自然生(sheng)態(tai)平(ping)衡,極具旅游(you)、科考、保護(hu)價值。

此外,保護區內(nei)的扎文河(he)(he),流經該區域(yu)北部約11km,平均(jun)河(he)(he)寬20m,平均(jun)水深(shen)(shen)1.5m,流速0.4m/s。保護區內(nei)的畢二溝河(he)(he),全長約35km,平均(jun)水深(shen)(shen)1~3m,平均(jun)流速0.3~0.7m/s。

風力

畢拉河自然保護(hu)區(qu)(qu)受大(da)興安嶺(ling)地形(xing)及森林植被的(de)影響,在(zai)全市內(nei)屬弱風(feng)(feng)(feng)區(qu)(qu)。大(da)興安嶺(ling)山脈阻擋(dang)西北寒流南(nan)下,茂密的(de)森林具(ju)有明顯的(de)防風(feng)(feng)(feng)效應。年(nian)平均風(feng)(feng)(feng)速為1.9 m/s。月(yue)平均風(feng)(feng)(feng)速以春(chun)季最(zui)大(da),夏季最(zui)小,年(nian)最(zui)大(da)風(feng)(feng)(feng)速在(zai)20~24 m/s(主要(yao)出(chu)現(xian)在(zai)春(chun)季),年(nian)內(nei)各月(yue)盛(sheng)行(xing)風(feng)(feng)(feng)自北向南(nan)依(yi)次為西、西北及北風(feng)(feng)(feng),主要(yao)風(feng)(feng)(feng)向為西北風(feng)(feng)(feng)。

2006年(nian)年(nian)均(jun)風(feng)(feng)(feng)(feng)速(su)(su)1.9 m/s。3月(yue)(yue)(yue)(yue)最(zui)大(da)(da)(da)風(feng)(feng)(feng)(feng)速(su)(su)2.6 m/s;11月(yue)(yue)(yue)(yue)最(zui)小風(feng)(feng)(feng)(feng)速(su)(su)1.6 m/s。全(quan)(quan)(quan)年(nian)17 m/s以(yi)(yi)上(shang)的大(da)(da)(da)風(feng)(feng)(feng)(feng)日(ri)數(shu)(shu)11 d,其(qi)中(zhong)3~6月(yue)(yue)(yue)(yue)大(da)(da)(da)風(feng)(feng)(feng)(feng)日(ri)數(shu)(shu)8 d,8月(yue)(yue)(yue)(yue)大(da)(da)(da)風(feng)(feng)(feng)(feng)日(ri)數(shu)(shu)3 d。2007年(nian)年(nian)均(jun)風(feng)(feng)(feng)(feng)速(su)(su)1.9 m/s。5月(yue)(yue)(yue)(yue)最(zui)大(da)(da)(da)風(feng)(feng)(feng)(feng)速(su)(su)2.7 m/s;12月(yue)(yue)(yue)(yue)最(zui)小風(feng)(feng)(feng)(feng)速(su)(su)1.4 m/s。全(quan)(quan)(quan)年(nian)17 m/s以(yi)(yi)上(shang)的大(da)(da)(da)風(feng)(feng)(feng)(feng)日(ri)數(shu)(shu)4 d,其(qi)中(zhong)5月(yue)(yue)(yue)(yue)大(da)(da)(da)風(feng)(feng)(feng)(feng)日(ri)數(shu)(shu)4 d。2008年(nian)年(nian)均(jun)風(feng)(feng)(feng)(feng)速(su)(su)1.9 m/s。5月(yue)(yue)(yue)(yue)最(zui)大(da)(da)(da)風(feng)(feng)(feng)(feng)速(su)(su)2.1 m/s;12月(yue)(yue)(yue)(yue)最(zui)小風(feng)(feng)(feng)(feng)速(su)(su)1.5 m/s。全(quan)(quan)(quan)年(nian)17 m/s以(yi)(yi)上(shang)大(da)(da)(da)風(feng)(feng)(feng)(feng)日(ri)數(shu)(shu)2 d,6、7月(yue)(yue)(yue)(yue)各1 d。2009年(nian)年(nian)均(jun)風(feng)(feng)(feng)(feng)速(su)(su)1.9 m/s。3月(yue)(yue)(yue)(yue)最(zui)大(da)(da)(da)風(feng)(feng)(feng)(feng)速(su)(su)2.2 m/s;12月(yue)(yue)(yue)(yue),最(zui)小風(feng)(feng)(feng)(feng)速(su)(su)1.4 m/s。全(quan)(quan)(quan)年(nian)大(da)(da)(da)風(feng)(feng)(feng)(feng)日(ri)數(shu)(shu)3 d,其(qi)中(zhong)4月(yue)(yue)(yue)(yue)大(da)(da)(da)風(feng)(feng)(feng)(feng)日(ri)數(shu)(shu)2 d,7、9月(yue)(yue)(yue)(yue)各1 d。2010年(nian)年(nian)均(jun)風(feng)(feng)(feng)(feng)速(su)(su)1.9 m/s。5月(yue)(yue)(yue)(yue)最(zui)大(da)(da)(da)風(feng)(feng)(feng)(feng)速(su)(su)3.1 m/s;2月(yue)(yue)(yue)(yue)和7月(yue)(yue)(yue)(yue),最(zui)小風(feng)(feng)(feng)(feng)速(su)(su)1.5 m/s。全(quan)(quan)(quan)年(nian)17 m/s以(yi)(yi)上(shang)大(da)(da)(da)風(feng)(feng)(feng)(feng)日(ri)數(shu)(shu)5 d,均(jun)在(zai)5月(yue)(yue)(yue)(yue)。

區域范圍

內蒙(meng)古畢拉河(he)國家級自然保護(hu)區(qu)東(dong)與(yu)(yu)巴提(ti)克林(lin)場接(jie)(jie)壤,南與(yu)(yu)大二溝林(lin)場相鄰,西(xi)與(yu)(yu)北大河(he)林(lin)場毗鄰,北與(yu)(yu)羊其河(he)林(lin)場相接(jie)(jie),地理(li)坐標介于東(dong)經123°04′28.9″~123°29′16.1″,北緯49°19′39.5″~49°38′29.7″之間(jian)。保護(hu)區(qu)總面(mian)(mian)積(ji)為56604公(gong)頃(qing),其中核心區(qu)面(mian)(mian)積(ji)23009公(gong)頃(qing),緩(huan)沖區(qu)面(mian)(mian)積(ji)20289公(gong)頃(qing),實驗區(qu)面(mian)(mian)積(ji)13306公(gong)頃(qing)。

保護目標

綜述

內蒙古畢(bi)拉河國家級自然保護區重點保護對象為(wei)森(sen)林沼澤(ze)、草本沼澤(ze)以及珍稀瀕危野(ye)生動(dong)植物等(deng)。

植物

截至(zhi)2012年,內蒙古畢(bi)拉河國家級自然保(bao)護(hu)區有高等植物(wu)703種(zhong)(zhong),其中被(bei)子植物(wu)565種(zhong)(zhong),裸子植物(wu)3種(zhong)(zhong),蕨(jue)類植物(wu)33種(zhong)(zhong),苔蘚植物(wu)102種(zhong)(zhong);低等植物(wu)中大(da)型真菌(jun)124種(zhong)(zhong);地衣(yi)51種(zhong)(zhong);藻類植物(wu)240種(zhong)(zhong);國家II級重點保(bao)護(hu)植物(wu)3種(zhong)(zhong),有鉆天(tian)柳、黃檗和野大(da)豆(dou);區級珍稀林木保(bao)護(hu)植物(wu)12種(zhong)(zhong)。

動物

截至2012年,內(nei)蒙古(gu)畢(bi)拉河國(guo)(guo)家(jia)級自(zi)然保護區有(you)脊椎動(dong)(dong)物(wu)(wu)(wu)322種(zhong)(zhong)(zhong),其中(zhong)獸類45種(zhong)(zhong)(zhong),鳥(niao)類228種(zhong)(zhong)(zhong),爬行動(dong)(dong)物(wu)(wu)(wu)7種(zhong)(zhong)(zhong),兩棲類動(dong)(dong)物(wu)(wu)(wu)6種(zhong)(zhong)(zhong),魚(yu)類35種(zhong)(zhong)(zhong),圓口類1種(zhong)(zhong)(zhong);無脊椎動(dong)(dong)物(wu)(wu)(wu)昆蟲335種(zhong)(zhong)(zhong);環節(jie)動(dong)(dong)物(wu)(wu)(wu)6種(zhong)(zhong)(zhong),軟體動(dong)(dong)物(wu)(wu)(wu)門10種(zhong)(zhong)(zhong);節(jie)肢動(dong)(dong)物(wu)(wu)(wu)門(除昆蟲綱外)有(you)18種(zhong)(zhong)(zhong)。有(you)國(guo)(guo)家(jia)重點(dian)保護動(dong)(dong)物(wu)(wu)(wu)45種(zhong)(zhong)(zhong),其中(zhong)國(guo)(guo)家(jia)I級重點(dian)保護動(dong)(dong)物(wu)(wu)(wu)5種(zhong)(zhong)(zhong),國(guo)(guo)家(jia)II級重點(dian)保護野(ye)生動(dong)(dong)物(wu)(wu)(wu)40種(zhong)(zhong)(zhong)。野(ye)生動(dong)(dong)物(wu)(wu)(wu)主要有(you)野(ye)豬、狍子(zi)、赤狐、貉等(deng)。

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