芒果视频下载

地質

大青山(shan)山(shan)地(di)為塊狀斷裂的(de)(de)中等高度(du)的(de)(de)山(shan)地(di)，一般(ban)海(hai)拔為1500—— 2100米，西部(bu)的(de)(de)九峰(feng)山(shan)，可高達海(hai)拔2338米，相對高度(du)100——700米。山(shan)地(di)的(de)(de)基巖(yan)(yan)及地(di)表組成物(wu)質是由花崗巖(yan)(yan)、片麻巖(yan)(yan)、片巖(yan)(yan)、頁(ye)巖(yan)(yan)、砂礫巖(yan)(yan)以及殘積(ji)、坡積(ji)層、洪積(ji)砂礫層構成。

生態

巖(yan)石主要由太古代、元(yuan)古代的(de)片(pian)麻(ma)巖(yan)、大(da)(da)理(li)巖(yan)、石英(ying)巖(yan)和(he)(he)古生代、中生代的(de)砂頁(ye)巖(yan)、礫巖(yan)所組成(cheng)。大(da)(da)青山(shan)(shan)(shan)(shan)(shan)(shan)南(nan)北(bei)坡不對稱，北(bei)坡平緩， 剝(bo)蝕(shi)殘(can)(can)余(yu)(yu)的(de)低山(shan)(shan)(shan)(shan)(shan)(shan)丘(qiu)(qiu)陵(ling)(ling)和(he)(he)盆(pen)地(di)(di)交錯分布(bu)(bu)，逐漸與內蒙古高(gao)原(yuan)(yuan)連(lian)在一(yi)(yi)起；南(nan)坡陡峭，為(wei)(wei)(wei)(wei)(wei)明(ming)顯的(de)構造斷(duan)塊(kuai)地(di)(di)形(xing)(xing)，斷(duan)層崖被侵(qin)蝕(shi)切割(ge)，形(xing)(xing)成(cheng)一(yi)(yi)系(xi)列斷(duan)裂(lie)三角面(mian)，形(xing)(xing)勢(shi)險(xian)峻。山(shan)(shan)(shan)(shan)(shan)(shan)麓分布(bu)(bu)有侵(qin)蝕(shi)殘(can)(can)余(yu)(yu)的(de)低山(shan)(shan)(shan)(shan)(shan)(shan)和(he)(he)眾(zhong)多的(de)山(shan)(shan)(shan)(shan)(shan)(shan)溝，雨后洪流破山(shan)(shan)(shan)(shan)(shan)(shan)而出(chu)，造成(cheng)復式(shi)帶狀(zhuang)洪積扇裙(qun)。山(shan)(shan)(shan)(shan)(shan)(shan)溝為(wei)(wei)(wei)(wei)(wei)流水侵(qin)蝕(shi)成(cheng)為(wei)(wei)(wei)(wei)(wei)寬(kuan)谷后，往(wang)往(wang)形(xing)(xing)成(cheng)前(qian)(qian)山(shan)(shan)(shan)(shan)(shan)(shan)與后山(shan)(shan)(shan)(shan)(shan)(shan)的(de)交通孔道(dao)。山(shan)(shan)(shan)(shan)(shan)(shan)上(shang)(shang)和(he)(he)山(shan)(shan)(shan)(shan)(shan)(shan)后氣溫較低，年(nian)均溫0～4℃，山(shan)(shan)(shan)(shan)(shan)(shan)峰與山(shan)(shan)(shan)(shan)(shan)(shan)麓相差4℃左右(you)，無霜期較短(duan)，山(shan)(shan)(shan)(shan)(shan)(shan)上(shang)(shang)和(he)(he)山(shan)(shan)(shan)(shan)(shan)(shan)后約為(wei)(wei)(wei)(wei)(wei)100天，比(bi)山(shan)(shan)(shan)(shan)(shan)(shan)前(qian)(qian)生長季約短(duan)1個月。以呼和(he)(he)浩特和(he)(he)武川相比(bi)，兩地(di)(di)直線距離(li)僅40公里(li)，年(nian)降水量相差76毫米(mi)。山(shan)(shan)(shan)(shan)(shan)(shan)脈的(de)屏(ping)障作用甚(shen)為(wei)(wei)(wei)(wei)(wei)明(ming)顯。大(da)(da)青山(shan)(shan)(shan)(shan)(shan)(shan)森林(lin)覆蓋率為(wei)(wei)(wei)(wei)(wei)11.5%。陰坡海拔1100米(mi)左右(you)為(wei)(wei)(wei)(wei)(wei)干草(cao)(cao)原(yuan)(yuan)；1200 米(mi)以上(shang)(shang)出(chu)現灌叢及稀(xi)疏(shu)杜松林(lin)；1300～1500米(mi)有油(you)(you)松、 側柏、杜松混(hun)交林(lin)；1500～2000米(mi)有油(you)(you)松、山(shan)(shan)(shan)(shan)(shan)(shan)楊、遼(liao)東櫟混(hun)交林(lin)和(he)(he)云(yun)杉(shan)、白樺、山(shan)(shan)(shan)(shan)(shan)(shan)楊混(hun)交林(lin)及油(you)(you)松和(he)(he)云(yun)杉(shan)純林(lin)。陽坡1500米(mi)以下(xia)為(wei)(wei)(wei)(wei)(wei)干草(cao)(cao)原(yuan)(yuan)，1800米(mi)以上(shang)(shang)為(wei)(wei)(wei)(wei)(wei)山(shan)(shan)(shan)(shan)(shan)(shan)地(di)(di)草(cao)(cao)甸(dian)草(cao)(cao)原(yuan)(yuan)。土(tu)(tu)壤(rang)為(wei)(wei)(wei)(wei)(wei)山(shan)(shan)(shan)(shan)(shan)(shan)地(di)(di)栗鈣土(tu)(tu)─山(shan)(shan)(shan)(shan)(shan)(shan)地(di)(di)典(dian)型棕(zong)褐土(tu)(tu)─山(shan)(shan)(shan)(shan)(shan)(shan)地(di)(di)淋溶褐土(tu)(tu)─山(shan)(shan)(shan)(shan)(shan)(shan)地(di)(di)草(cao)(cao)甸(dian)草(cao)(cao)原(yuan)(yuan)土(tu)(tu)。北(bei)麓山(shan)(shan)(shan)(shan)(shan)(shan)間盆(pen)地(di)(di)和(he)(he)灘川地(di)(di)的(de)水土(tu)(tu)條件較 好(hao)，耕地(di)(di)擴(kuo)展很快，上(shang)(shang)限已(yi)達海拔1850米(mi)。山(shan)(shan)(shan)(shan)(shan)(shan)前(qian)(qian)丘(qiu)(qiu)陵(ling)(ling)和(he)(he)洪積扇地(di)(di)帶為(wei)(wei)(wei)(wei)(wei)半農半牧區。

內蒙古(gu)(gu)大青山(shan)南部(bu)濕地(di)鳥(niao)(niao)類(lei)共(gong)記(ji)錄(lu)126種(zhong)，錄(lu)屬(shu)于16目37科74屬(shu)。水鳥(niao)(niao)72種(zhong)(57.1%)。候鳥(niao)(niao)共(gong)110種(zhong)(87.3%)，其中夏候鳥(niao)(niao)58種(zhong)、旅鳥(niao)(niao)52種(zhong)。74種(zhong)繁殖鳥(niao)(niao)中古(gu)(gu)北種(zhong)58種(zhong)(78.4%)、東(dong)洋(yang)種(zhong)8種(zhong)(10.8%)、廣布種(zhong)8種(zhong)(10.8%)，鳥(niao)(niao)類(lei)組成明顯以(yi)古(gu)(gu)北界成分為主。該(gai)區域(yu)有國(guo)家(jia)重點保護鳥(niao)(niao)類(lei)20種(zhong)。記(ji)錄(lu)大青山(shan)南部(bu)新分布紀錄(lu)鳥(niao)(niao)類(lei)19種(zhong)。濕地(di)作為一個隱域(yu)性景(jing)觀難以(yi)作為動物(wu)地(di)理(li)區劃界線的依據。

歷史

大(da)(da)青(qing)(qing)山(shan)(shan)抗(kang)日根據地(di)(di)(di)位(wei)于武川縣得勝(sheng)溝(gou)鄉(xiang)的(de)(de)最南端，大(da)(da)青(qing)(qing)山(shan)(shan)深處(chu)，轄地(di)(di)(di)面積(ji)496.0平方公里，距呼(hu)和(he)浩特市約70公里，是全國著名(ming)的(de)(de)革(ge)(ge)命(ming)老區，是國家100個景(jing)點(dian)項(xiang)目之一(yi)(yi)。開辟這一(yi)(yi)地(di)(di)(di)區，使其與晉西北(bei)抗(kang)日根據地(di)(di)(di)連成一(yi)(yi)片(pian)，對堅持綏遠抗(kang)戰，牽制日軍(jun)向(xiang)大(da)(da)西北(bei)的(de)(de)進攻，掩護(hu)八(ba)路軍(jun)在(zai)敵后(hou)抗(kang)戰的(de)(de)翼側，具有重(zhong)要意義。抗(kang)戰年代，得勝(sheng)溝(gou)鄉(xiang)得勝(sheng)溝(gou)村一(yi)(yi)直是大(da)(da)青(qing)(qing)山(shan)(shan)抗(kang)日根據地(di)(di)(di)的(de)(de)指揮中心，被稱為(wei)“塞外小延安(an)”，此地(di)(di)(di)山(shan)(shan)大(da)(da)溝(gou)深，地(di)(di)(di)形(xing)險(xian)(xian)要，是當年大(da)(da)青(qing)(qing)山(shan)(shan)支(zhi)隊(dui)(dui)司(si)令部(bu)、綏遠省委(wei)、省行署機(ji)關的(de)(de)駐扎地(di)(di)(di)，現有司(si)令部(bu)、衛(wei)生隊(dui)(dui)、教導隊(dui)(dui)、電臺等遺(yi)址(zhi)，李井泉、姚喆、黃(huang)厚、楊植林等領導人住過的(de)(de)窯洞和(he)辦公用(yong)的(de)(de)石磨(mo)、樹(shu)墩(dun)，存有八(ba)路軍(jun)作(zuo)戰使用(yong)過的(de)(de)電臺、戰刀、手榴彈、馬蹬、火盆、糧食袋(dai)、火鐮等革(ge)(ge)命(ming)歷史珍貴文物(wu)。1964年被內蒙古(gu)自(zi)治區政府列(lie)為(wei)重(zhong)點(dian)文物(wu)保護(hu)單位(wei)。在(zai)景(jing)區內留(liu)下一(yi)(yi)大(da)(da)批革(ge)(ge)命(ming)前輩戎(rong)馬生涯的(de)(de)足跡(ji)，留(liu)下了(le)大(da)(da)青(qing)(qing)山(shan)(shan)抗(kang)日軍(jun)民奮勇殺(sha)敵、可歌(ge)可泣的(de)(de)英雄事跡(ji)。景(jing)區內除了(le)眾多的(de)(de)革(ge)(ge)命(ming)遺(yi)存，自(zi)然風景(jing)十分獨特，溝(gou)溝(gou)相連、溪泉纏繞(rao)，水(shui)秀山(shan)(shan)青(qing)(qing)，山(shan)(shan)壑交疊，峰聳入云(yun)，山(shan)(shan)山(shan)(shan)有景(jing)，萬木崢嶸，野(ye)獸出沒(mei)，有獅子嘴、石門、佛爺洞、晾人臺、響沙灣(wan)、虎頭山(shan)(shan)、板(ban)嘴石窯等自(zi)然景(jing)點(dian)，各景(jing)點(dian)均以“奇、雄、特、險(xian)(xian)”取勝(sheng)，集自(zi)然景(jing)觀和(he)人文景(jing)觀于一(yi)(yi)體(ti)，以紅帶綠，紅綠相互(hu)輝映。