芒果视频下载

地質

大(da)青山(shan)山(shan)地為(wei)塊狀斷(duan)裂的(de)中等高(gao)度的(de)山(shan)地，一般(ban)海(hai)(hai)拔為(wei)1500—— 2100米(mi)(mi)，西部(bu)的(de)九峰山(shan)，可高(gao)達海(hai)(hai)拔2338米(mi)(mi)，相對高(gao)度100——700米(mi)(mi)。山(shan)地的(de)基(ji)巖(yan)(yan)(yan)及地表組成物質是由花(hua)崗(gang)巖(yan)(yan)(yan)、片(pian)麻巖(yan)(yan)(yan)、片(pian)巖(yan)(yan)(yan)、頁巖(yan)(yan)(yan)、砂礫巖(yan)(yan)(yan)以及殘積、坡積層、洪積砂礫層構成。

生態

巖(yan)石主要由太(tai)古代(dai)、元古代(dai)的(de)(de)(de)(de)片麻巖(yan)、大理(li)巖(yan)、石英巖(yan)和(he)古生代(dai)、中生代(dai)的(de)(de)(de)(de)砂頁(ye)巖(yan)、礫巖(yan)所組成。大青山(shan)(shan)(shan)(shan)南北(bei)(bei)坡(po)(po)不對(dui)稱，北(bei)(bei)坡(po)(po)平(ping)緩， 剝蝕殘余的(de)(de)(de)(de)低山(shan)(shan)(shan)(shan)丘陵和(he)盆地(di)交錯分布，逐漸(jian)與內(nei)蒙古高(gao)原連在一(yi)起(qi)；南坡(po)(po)陡峭，為(wei)明顯的(de)(de)(de)(de)構造(zao)斷塊地(di)形(xing)，斷層(ceng)崖被(bei)侵(qin)蝕切割，形(xing)成一(yi)系(xi)列斷裂三(san)角面，形(xing)勢(shi)險峻。山(shan)(shan)(shan)(shan)麓分布有(you)(you)侵(qin)蝕殘余的(de)(de)(de)(de)低山(shan)(shan)(shan)(shan)和(he)眾多的(de)(de)(de)(de)山(shan)(shan)(shan)(shan)溝，雨后(hou)(hou)(hou)洪流破山(shan)(shan)(shan)(shan)而出(chu)，造(zao)成復式帶狀洪積扇裙。山(shan)(shan)(shan)(shan)溝為(wei)流水(shui)侵(qin)蝕成為(wei)寬谷(gu)后(hou)(hou)(hou)，往(wang)往(wang)形(xing)成前山(shan)(shan)(shan)(shan)與后(hou)(hou)(hou)山(shan)(shan)(shan)(shan)的(de)(de)(de)(de)交通孔道。山(shan)(shan)(shan)(shan)上和(he)山(shan)(shan)(shan)(shan)后(hou)(hou)(hou)氣溫(wen)較(jiao)(jiao)低，年(nian)均溫(wen)0～4℃，山(shan)(shan)(shan)(shan)峰與山(shan)(shan)(shan)(shan)麓相(xiang)差(cha)4℃左右(you)(you)，無霜期較(jiao)(jiao)短，山(shan)(shan)(shan)(shan)上和(he)山(shan)(shan)(shan)(shan)后(hou)(hou)(hou)約為(wei)100天(tian)，比山(shan)(shan)(shan)(shan)前生長季(ji)約短1個(ge)月。以(yi)呼和(he)浩特和(he)武川(chuan)(chuan)相(xiang)比，兩地(di)直線(xian)距離(li)僅(jin)40公里，年(nian)降水(shui)量相(xiang)差(cha)76毫米(mi)。山(shan)(shan)(shan)(shan)脈(mo)的(de)(de)(de)(de)屏障(zhang)作用甚為(wei)明顯。大青山(shan)(shan)(shan)(shan)森林(lin)(lin)覆蓋率為(wei)11.5%。陰坡(po)(po)海(hai)拔1100米(mi)左右(you)(you)為(wei)干(gan)草原；1200 米(mi)以(yi)上出(chu)現灌叢及(ji)稀疏(shu)杜松(song)(song)(song)(song)林(lin)(lin)；1300～1500米(mi)有(you)(you)油(you)松(song)(song)(song)(song)、 側柏、杜松(song)(song)(song)(song)混(hun)交林(lin)(lin)；1500～2000米(mi)有(you)(you)油(you)松(song)(song)(song)(song)、山(shan)(shan)(shan)(shan)楊、遼東(dong)櫟混(hun)交林(lin)(lin)和(he)云杉(shan)、白樺、山(shan)(shan)(shan)(shan)楊混(hun)交林(lin)(lin)及(ji)油(you)松(song)(song)(song)(song)和(he)云杉(shan)純林(lin)(lin)。陽坡(po)(po)1500米(mi)以(yi)下為(wei)干(gan)草原，1800米(mi)以(yi)上為(wei)山(shan)(shan)(shan)(shan)地(di)草甸(dian)草原。土(tu)壤(rang)為(wei)山(shan)(shan)(shan)(shan)地(di)栗鈣(gai)土(tu)─山(shan)(shan)(shan)(shan)地(di)典型棕褐(he)土(tu)─山(shan)(shan)(shan)(shan)地(di)淋溶(rong)褐(he)土(tu)─山(shan)(shan)(shan)(shan)地(di)草甸(dian)草原土(tu)。北(bei)(bei)麓山(shan)(shan)(shan)(shan)間盆地(di)和(he)灘川(chuan)(chuan)地(di)的(de)(de)(de)(de)水(shui)土(tu)條(tiao)件(jian)較(jiao)(jiao) 好，耕地(di)擴展(zhan)很(hen)快，上限(xian)已達(da)海(hai)拔1850米(mi)。山(shan)(shan)(shan)(shan)前丘陵和(he)洪積扇地(di)帶為(wei)半農半牧區。

內(nei)蒙(meng)古大青山南部濕地鳥類共記錄126種(zhong)(zhong)(zhong)，錄屬于16目(mu)37科(ke)74屬。水鳥72種(zhong)(zhong)(zhong)(57.1%)。候鳥共110種(zhong)(zhong)(zhong)(87.3%)，其中(zhong)夏候鳥58種(zhong)(zhong)(zhong)、旅(lv)鳥52種(zhong)(zhong)(zhong)。74種(zhong)(zhong)(zhong)繁殖鳥中(zhong)古北種(zhong)(zhong)(zhong)58種(zhong)(zhong)(zhong)(78.4%)、東洋種(zhong)(zhong)(zhong)8種(zhong)(zhong)(zhong)(10.8%)、廣布種(zhong)(zhong)(zhong)8種(zhong)(zhong)(zhong)(10.8%)，鳥類組(zu)成(cheng)明顯以古北界成(cheng)分(fen)(fen)為主(zhu)。該(gai)區域有國家重點(dian)保護鳥類20種(zhong)(zhong)(zhong)。記錄大青山南部新分(fen)(fen)布紀(ji)錄鳥類19種(zhong)(zhong)(zhong)。濕地作(zuo)為一個隱(yin)域性景觀難以作(zuo)為動(dong)物地理(li)區劃界線的依據。

歷史

大(da)(da)青(qing)山(shan)抗日(ri)根據(ju)地(di)(di)(di)位于武川縣得(de)勝(sheng)(sheng)溝鄉的(de)(de)(de)(de)最南端，大(da)(da)青(qing)山(shan)深(shen)處(chu)，轄地(di)(di)(di)面(mian)積496.0平(ping)方公里，距呼(hu)和浩特市約70公里，是全國著名(ming)的(de)(de)(de)(de)革(ge)命老(lao)區(qu)，是國家100個景(jing)點(dian)項目(mu)之(zhi)一。開辟這一地(di)(di)(di)區(qu)，使(shi)其(qi)與(yu)晉西北抗日(ri)根據(ju)地(di)(di)(di)連成一片，對(dui)堅持綏(sui)(sui)遠抗戰(zhan)，牽制日(ri)軍(jun)向(xiang)大(da)(da)西北的(de)(de)(de)(de)進攻(gong)，掩護八路軍(jun)在(zai)敵后抗戰(zhan)的(de)(de)(de)(de)翼(yi)側，具有(you)重要(yao)意義。抗戰(zhan)年(nian)代(dai)，得(de)勝(sheng)(sheng)溝鄉得(de)勝(sheng)(sheng)溝村一直是大(da)(da)青(qing)山(shan)抗日(ri)根據(ju)地(di)(di)(di)的(de)(de)(de)(de)指揮中(zhong)心，被(bei)稱(cheng)為“塞(sai)外小延安”，此(ci)地(di)(di)(di)山(shan)大(da)(da)溝深(shen)，地(di)(di)(di)形險(xian)要(yao)，是當年(nian)大(da)(da)青(qing)山(shan)支隊(dui)司令部、綏(sui)(sui)遠省(sheng)委、省(sheng)行(xing)署機關的(de)(de)(de)(de)駐扎地(di)(di)(di)，現(xian)有(you)司令部、衛(wei)生隊(dui)、教導(dao)隊(dui)、電臺等(deng)遺址(zhi)，李井泉、姚喆、黃厚、楊植林等(deng)領導(dao)人(ren)(ren)住過的(de)(de)(de)(de)窯(yao)洞(dong)和辦公用的(de)(de)(de)(de)石磨(mo)、樹(shu)墩，存有(you)八路軍(jun)作戰(zhan)使(shi)用過的(de)(de)(de)(de)電臺、戰(zhan)刀、手榴彈、馬蹬、火盆、糧(liang)食袋、火鐮等(deng)革(ge)命歷史珍貴文物(wu)。1964年(nian)被(bei)內(nei)蒙古自治區(qu)政府列為重點(dian)文物(wu)保(bao)護單位。在(zai)景(jing)區(qu)內(nei)留下一大(da)(da)批革(ge)命前(qian)輩(bei)戎(rong)馬生涯的(de)(de)(de)(de)足跡，留下了大(da)(da)青(qing)山(shan)抗日(ri)軍(jun)民奮勇殺敵、可歌可泣的(de)(de)(de)(de)英雄(xiong)事跡。景(jing)區(qu)內(nei)除了眾多的(de)(de)(de)(de)革(ge)命遺存，自然風景(jing)十分獨特，溝溝相(xiang)連、溪泉纏繞，水秀山(shan)青(qing)，山(shan)壑(he)交疊，峰聳入云，山(shan)山(shan)有(you)景(jing)，萬(wan)木崢嶸(rong)，野獸出沒，有(you)獅子嘴、石門、佛爺洞(dong)、晾(liang)人(ren)(ren)臺、響沙灣(wan)、虎頭山(shan)、板(ban)嘴石窯(yao)等(deng)自然景(jing)點(dian)，各景(jing)點(dian)均以(yi)“奇、雄(xiong)、特、險(xian)”取勝(sheng)(sheng)，集(ji)自然景(jing)觀和人(ren)(ren)文景(jing)觀于一體(ti)，以(yi)紅(hong)帶綠，紅(hong)綠相(xiang)互(hu)輝映。