地理環境
地理位置
烏(wu)蘭(lan)布和沙漠地(di)(di)處內(nei)蒙(meng)古(gu)阿拉善(shan)盟和巴彥淖爾(er)盟境內(nei)。北至狼(lang)山,東(dong)近黃河,南至賀蘭(lan)山麓,西至吉蘭(lan)泰(tai)鹽池,總面積約1萬(wan)平方公里(li)。是阿拉善(shan)沙漠的東(dong)北部(bu),在(zai)銀額(e)盆(pen)地(di)(di)東(dong)北底部(bu)。
屬(shu)中(zhong)溫帶干旱氣候,干旱少雨(yu),晝夜溫差大,季風強勁。沙(sha)漠(mo)南部(bu)多流沙(sha),中(zhong)部(bu)多壟崗形沙(sha)丘(qiu),北部(bu)多固定和(he)半固定沙(sha)丘(qiu)。
氣候條件
氣(qi)候終(zhong)年(nian)(nian)為西(xi)(xi)(xi)風(feng)(feng)環流控制,屬中溫(wen)(wen)帶(dai)典(dian)型的大陸(lu)性氣(qi)候,降(jiang)水(shui)(shui)(shui)稀(xi)少,年(nian)(nian)平(ping)均降(jiang)水(shui)(shui)(shui)量102.9毫米,最(zui)大年(nian)(nian)降(jiang)水(shui)(shui)(shui)量150.3毫米,最(zui)小年(nian)(nian)水(shui)(shui)(shui)降(jiang)水(shui)(shui)(shui)量公33.3毫米,年(nian)(nian)均氣(qi)溫(wen)(wen)7.8℃,絕對(dui)最(zui)高氣(qi)溫(wen)(wen)39℃,絕對(dui)最(zui)低(di)氣(qi)溫(wen)(wen)-29.6℃,年(nian)(nian)均蒸發(fa)量2258.8毫米,無(wu)霜期168天,光照3181小時,太陽(yang)輻射150千卡(ka)/平(ping)方厘米,大于10℃的有效積(ji)溫(wen)(wen)?3289.1℃,終(zhong)年(nian)(nian)盛行西(xi)(xi)(xi)南風(feng)(feng),主要害(hai)風(feng)(feng)為西(xi)(xi)(xi)北風(feng)(feng),風(feng)(feng)勢強烈,年(nian)(nian)均風(feng)(feng)速4.1m/s,風(feng)(feng)沙危害(hai)為主要自然災害(hai),但光熱資源豐富(fu),發(fa)展農(nong)業具有潛在優勢。
地質水文
就大地(di)形來(lai)說,屬(shu)于(yu)阿拉善高(gao)原之沖(chong)(chong)積平原,海(hai)拔1050m,在地(di)質(zhi)構造上是(shi)一個(ge)(ge)斷(duan)陷(xian)盆(pen)地(di),為(wei)(wei)細沙及(ji)(ji)粘(zhan)土狀第四之沖(chong)(chong)積—湖積物所覆蓋(gai),其上為(wei)(wei)沖(chong)(chong)積、淤積和風積物,多(duo)為(wei)(wei)高(gao)低(di)不(bu)等3-10米的(de)(de)(de)(de)流(liu)動、半(ban)(ban)固定(ding)、固定(ding)沙丘、平緩沙地(di)及(ji)(ji)丘間低(di)地(di)相(xiang)互交(jiao)錯(cuo)呈(cheng)復區分布的(de)(de)(de)(de)地(di)貌類(lei)型(xing)。黃河(he)自南向北流(liu)經(jing)磴口(kou)縣的(de)(de)(de)(de)東南端,磴口(kou)綠州的(de)(de)(de)(de)地(di)勢自東南向西北傾(qing)斜,海(hai)拔大體在1048—1053m之間。而(er)烏蘭布和沙漠(mo)整個(ge)(ge)地(di)勢都低(di)于(yu)黃河(he)水(shui)(shui)(shui)(shui)(shui)面,有(you)引黃灌(guan)(guan)溉(gai)的(de)(de)(de)(de)條件(jian),從而(er)彌(mi)補了降雨少,蒸發大,干旱缺(que)水(shui)(shui)(shui)(shui)(shui)的(de)(de)(de)(de)不(bu)利因素。且(qie)地(di)下(xia)水(shui)(shui)(shui)(shui)(shui)埋深淺5-8米,淺層水(shui)(shui)(shui)(shui)(shui)資源豐富,水(shui)(shui)(shui)(shui)(shui)質(zhi)良(liang)好(hao)宜于(yu)灌(guan)(guan)溉(gai)。據內蒙(meng)古河(he)套(tao)總局勘測資料(liao),淺層承壓(ya)、半(ban)(ban)承壓(ya)水(shui)(shui)(shui)(shui)(shui)極為(wei)(wei)豐富,有(you)100米含水(shui)(shui)(shui)(shui)(shui)層,總儲量為(wei)(wei)57億(yi)立方米,而(er)且(qie)水(shui)(shui)(shui)(shui)(shui)質(zhi)良(liang)好(hao),是(shi)堅持排灌(guan)(guan)的(de)(de)(de)(de)優質(zhi)水(shui)(shui)(shui)(shui)(shui)源。
形成
干旱和風
沙(sha)漠(mo)(mo)(mo)(mo)形成的(de)(de)(de)(de)兩個主要原因,就是干(gan)旱和(he)風(feng)。加上(shang)人(ren)們濫(lan)伐森林樹木(mu),破壞(huai)草原,令土地(di)(di)表面失(shi)去了植物(wu)(wu)(wu)(wu)(wu)的(de)(de)(de)(de)覆蓋,沙(sha)漠(mo)(mo)(mo)(mo)便因而(er)形成。沙(sha)漠(mo)(mo)(mo)(mo)的(de)(de)(de)(de)形成,除了干(gan)旱氣(qi)候條件與濫(lan)伐森林樹木(mu),破壞(huai)草原外,還(huan)要有豐富的(de)(de)(de)(de)沙(sha)漠(mo)(mo)(mo)(mo)物(wu)(wu)(wu)(wu)(wu)質來源(yuan),它(ta)們多分(fen)(fen)布(bu)在沉積(ji)物(wu)(wu)(wu)(wu)(wu)豐厚的(de)(de)(de)(de)內(nei)陸山間(jian)盆地(di)(di)和(he)剝蝕(shi)高原面上(shang)的(de)(de)(de)(de)洼地(di)(di)和(he)低平(ping)地(di)(di)上(shang)。沙(sha)源(yuan)有來自古(gu)代或現(xian)(xian)代的(de)(de)(de)(de)各種沉積(ji)物(wu)(wu)(wu)(wu)(wu)中的(de)(de)(de)(de)細粒物(wu)(wu)(wu)(wu)(wu)質。如中國的(de)(de)(de)(de)塔(ta)克拉瑪干(gan)沙(sha)漠(mo)(mo)(mo)(mo)和(he)古(gu)爾班通古(gu)特沙(sha)漠(mo)(mo)(mo)(mo)的(de)(de)(de)(de)沙(sha)源(yuan)于(yu)古(gu)河(he)流(liu)沖積(ji)物(wu)(wu)(wu)(wu)(wu);騰格里沙(sha)漠(mo)(mo)(mo)(mo)、毛烏(wu)素(su)沙(sha)漠(mo)(mo)(mo)(mo)和(he)小騰格里沙(sha)漠(mo)(mo)(mo)(mo)的(de)(de)(de)(de)大部分(fen)(fen)沙(sha)源(yuan)于(yu)古(gu)代與現(xian)(xian)代的(de)(de)(de)(de)沖積(ji)物(wu)(wu)(wu)(wu)(wu)和(he)湖積(ji)物(wu)(wu)(wu)(wu)(wu);塔(ta)里木(mu)河(he)中游(you)和(he)庫(ku)爾勒西(xi)南滑干(gan)河(he)下游(you)的(de)(de)(de)(de)沙(sha)漠(mo)(mo)(mo)(mo)都來自現(xian)(xian)代河(he)流(liu)沖積(ji)物(wu)(wu)(wu)(wu)(wu);烏(wu)蘭布(bu)和(he)沙(sha)漠(mo)(mo)(mo)(mo)和(he)賀蘭山、 狼山-巴音烏(wu)拉山前地(di)(di)區的(de)(de)(de)(de)沙(sha)丘來源(yuan)于(yu)洪(hong)積(ji)-沖積(ji)物(wu)(wu)(wu)(wu)(wu) ;鄂爾多斯中西(xi)部高地(di)(di)上(shang)的(de)(de)(de)(de)沙(sha)丘來源(yuan)于(yu)基巖風(feng)化(hua)的(de)(de)(de)(de)殘積(ji)物(wu)(wu)(wu)(wu)(wu)。
自然地理
烏蘭布和沙漠(mo)位于內蒙古(gu)西(xi)部,是華西(xi)和西(xi)北的接合(he)部,地處我國西(xi)北荒漠(mo)和半荒漠(mo)的前沿地帶,地理(li)區域為東經(jing)106°09′-106°57′,北緯
39°16′-40°57′之間。東北部(bu)以河(he)套(tao)綠州為界(jie),西(xi)部(bu)以阿(a)拉善左旗的(de)吉(ji)蘭泰—圖(tu)庫木公路為界(jie),西(xi)北部(bu)以狼山為界(jie),東至(zhi)黃河(he),南至(zhi)賀蘭山,總面積129,8平方(fang)千米,是我(wo)國的(de)主(zhu)要沙漠之一。
基礎設施
早(zao)在50年代(dai)后期至(zhi)60年代(dai),中(zhong)國科學院組(zu)織(zhi)的(de)沙漠(mo)考察曾在磴口設點,并(bing)組(zu)建(jian)巴盟治(zhi)沙綜(zong)合試驗站(zhan),為(wei)開(kai)展(zhan)沙漠(mo)綜(zong)合治(zhi)理(li)研究(jiu)積累了大量(liang)資(zi)料,并(bing)在全國的(de)沙漠(mo)治(zhi)理(li)與開(kai)發研究(jiu)中(zhong)處于領(ling)先地(di)位。
中(zhong)國(guo)林(lin)科院沙漠林(lin)中(zhong)心自(zi)1979年成(cheng)立以(yi)來,在(zai)烏蘭布和沙漠東北部一直從(cong)事以(yi)林(lin)為主的(de)區(qu)域生態治理與開發(fa),具(ju)有(you)長(chang)期(qi)(qi)工作(zuo)(zuo)基(ji)礎,設施完善,水(shui)(shui)電(dian)林(lin)渠路配套,科技人(ren)員(yuan)素(su)質(zhi)較高,年富力(li)強(qiang),觀測(ce)輔助人(ren)員(yuan)操(cao)作(zuo)(zuo)熟(shu)練(lian),技術全(quan)面。1982年起,先(xian)后在(zai)綠(lv)(lv)洲外(wai)圍荒漠區(qu),綠(lv)(lv)洲邊緣區(qu),綠(lv)(lv)洲林(lin)網(wang)中(zhong)心區(qu)建立地(di)(di)面氣象(xiang)站3座,觀測(ce)內容有(you)氣溫、地(di)(di)溫、風(feng)速(su)、風(feng)向、濕(shi)度、蒸發(fa)量(liang)、降水(shui)(shui)量(liang)、日照時數(shu)、大(da)氣降塵、太陽輻射。臺(tai)站儀器(qi)配置按國(guo)家基(ji)層地(di)(di)面站規范執行(xing)。部分項(xiang)目配備自(zi)動記錄(lu)裝置。目前有(you)兩個站一直連續工作(zuo)(zuo),積(ji)累了(le)(le)大(da)量(liang)的(de)觀測(ce)數(shu)據(ju)(ju),建立了(le)(le)具(ju)有(you)40多萬(wan)觀測(ce)數(shu)據(ju)(ju)的(de)信(xin)息數(shu)據(ju)(ju)庫。12眼(yan)地(di)(di)下水(shui)(shui)動態監(jian)測(ce)井。土(tu)壤與水(shui)(shui)分化驗室,常規儀器(qi)齊(qi)全(quan)、人(ren)員(yuan)固定、操(cao)作(zuo)(zuo)技術熟(shu)練(lian),對試(shi)區(qu)內的(de)土(tu)壤和水(shui)(shui)分進行(xing)長(chang)期(qi)(qi)分析,積(ji)累了(le)(le)大(da)量(liang)數(shu)據(ju)(ju),還具(ju)有(you)AST-386,AST-486微機2臺(tai),并有(you)專(zhuan)人(ren)操(cao)作(zuo)(zuo),為建立荒漠生態信(xin)息數(shu)據(ju)(ju)庫提供了(le)(le)便(bian)利。
沙漠惡化
據烏(wu)(wu)海市林(lin)業(ye)局有(you)關(guan)負責人介紹,近40年(nian)(nian)來(lai),由(you)于自然氣候變暖和(he)(he)人為破壞(huai)的(de)雙(shuang)重原因,烏(wu)(wu)蘭布(bu)和(he)(he)沙(sha)(sha)漠(mo)東(dong)進南移(yi)的(de)擴展(zhan)速度非常驚人。據有(you)關(guan)資料記載,上(shang)世紀60年(nian)(nian)代初,烏(wu)(wu)蘭布(bu)和(he)(he)沙(sha)(sha)漠(mo)東(dong)部(bu)邊緣距(ju)烏(wu)(wu)海尚有(you)近30公里。而此后不到(dao)40年(nian)(nian),烏(wu)(wu)達區已經(jing)有(you)近1/3的(de)土地被烏(wu)(wu)蘭布(bu)和(he)(he)沙(sha)(sha)漠(mo)吞沒(mei)。烏(wu)(wu)蘭布(bu)和(he)(he)沙(sha)(sha)漠(mo)東(dong)部(bu)邊緣已經(jing)由(you)黃河(he)西岸的(de)阿拉善盟擴展(zhan)到(dao)黃河(he)東(dong)岸海勃(bo)灣區,侵蝕面積近100平(ping)方公里,而且全部(bu)形成(cheng)了新(xin)月型和(he)(he)半月型的(de)流動沙(sha)(sha)丘,有(you)的(de)沙(sha)(sha)丘的(de)相對高度竟達50多米。
烏(wu)(wu)(wu)蘭布和沙(sha)漠的(de)迅速(su)推進,已嚴重影響了(le)周邊(bian)地區(qu)人們的(de)日常生活。根據自(zi)治(zhi)區(qu)第(di)三(san)次(ci)荒漠化(hua)、沙(sha)化(hua)土地監測報告,烏(wu)(wu)(wu)海(hai)(hai)市(shi)的(de)荒漠化(hua)、沙(sha)化(hua)面積占全市(shi)國土總面積的(de)比(bi)例高達80.12%。嚴重的(de)荒漠化(hua)和沙(sha)化(hua),導致了(le)烏(wu)(wu)(wu)海(hai)(hai)自(zi)然生態環境惡劣(lie),年均(jun)降水量(liang)不足160毫米(2005年僅有81.5毫米),而蒸發量(liang)卻(que)高達3500毫米;沙(sha)塵(chen)(chen)天(tian)氣、沙(sha)塵(chen)(chen)暴(bao)頻發,日均(jun)風速(su)大(da)于3米/秒的(de)日數(shu)最(zui)多達到301天(tian)。烏(wu)(wu)(wu)海(hai)(hai)市(shi)已成(cheng)為內(nei)蒙古自(zi)治(zhi)區(qu)乃(nai)至中國沙(sha)化(hua)最(zui)為嚴重的(de)城市(shi)之(zhi)一。
解放后,開始了大規模的治理,在蹬口縣二十里(li)柳子至(zhi)杭錦后旗太陽廟一(yi)線,營造一(yi)條寬(kuan)300-400米(mi),長175公里(li)的防風固沙林(lin)帶,林(lin)帶兩(liang)側5公里(li)為封(feng)沙育草區(qu),控制了沙漠東移。沙漠內除種(zhong)樹(shu)種(zhong)草外,還開辟出(chu)20余萬畝(mu)耕地(di),主要種(zhong)植小麥、玉(yu)米(mi)、甜萊、葵(kui)花籽及(ji)各種(zhong)瓜類。烏蘭布和沙漠日(ri)照豐富,可以引黃河(he)水自流灌(guan)溉,湖池廣布,有發(fa)展農、牧、林(lin)、漁業的良好條件。
植被特征
烏蘭布和沙漠的(de)(de)荒(huang)漠植被隸屬亞(ya)非荒(huang)漠植物區(qu),亞(ya)洲(zhou)中(zhong)部(bu)區(qu),阿拉善(shan)省(sheng),東(dong)阿拉善(shan)洲(zhou)。阿拉善(shan)荒(huang)漠省(sheng)的(de)(de)東(dong)界(jie)就在烏蘭布和沙漠的(de)(de)東(dong)緣,也(ye)就是(shi)亞(ya)洲(zhou)中(zhong)部(bu)荒(huang)漠區(qu)與草原區(qu)的(de)(de)分界(jie)線,而(er)且是(shi)極為重要(yao)的(de)(de)植物地理學分界(jie)線。
植(zhi)物(wu)地(di)(di)理成分(fen)古老(lao)而種(zhong)(zhong)類(lei)貧乏,以蒙古種(zhong)(zhong),戈(ge)壁--蒙古種(zhong)(zhong),戈(ge)壁種(zhong)(zhong)以及古地(di)(di)中海區(qu)系的荒漠成分(fen)占主導地(di)(di)位,世界種(zhong)(zhong)與與泛(fan)北極(ji)區(qu)系成分(fen)十(shi)(shi)分(fen)貧乏。據初步采(cai)集與統計,烏蘭布和(he)(he)(he)沙漠境(jing)內共有種(zhong)(zhong)子植(zhi)物(wu)312種(zhong)(zhong),隸屬(shu)49科169屬(shu),戈(ge)壁區(qu)系成分(fen)中一些(xie)(xie)地(di)(di)方性特有的單種(zhong)(zhong)屬(shu)和(he)(he)(he)寡種(zhong)(zhong)屬(shu)的優勢(shi)作(zuo)用(yong)十(shi)(shi)分(fen)顯(xian)著。灌(guan)木(mu)、半灌(guan)木(mu)占絕對優勢(shi)。烏蘭布和(he)(he)(he)沙漠植(zhi)物(wu)基(ji)本上都是沙生(sheng)、旱生(sheng)、鹽生(sheng)類(lei)灌(guan)木(mu)和(he)(he)(he)小灌(guan)木(mu)組成,這些(xie)(xie)植(zhi)物(wu)對當(dang)地(di)(di)生(sheng)境(jing)有極(ji)強的適(shi)應(ying)性和(he)(he)(he)抗逆性。
肉蓯蓉生產基地
正(zheng)是(shi)沙(sha)漠(mo)梭(suo)(suo)(suo)梭(suo)(suo)(suo)林營造的(de)(de)(de)最(zui)佳季節,也是(shi)沙(sha)漠(mo)肉(rou)(rou)蓯(cong)(cong)(cong)(cong)蓉(rong)(rong)(rong)(rong)(rong)接(jie)(jie)種(zhong)的(de)(de)(de)黃金季節,預(yu)計磴(deng)(deng)(deng)口縣(xian)(xian)烏蘭布和(he)人(ren)工(gong)梭(suo)(suo)(suo)梭(suo)(suo)(suo)林的(de)(de)(de)營造面(mian)積(ji)(ji)將達到(dao)10000畝(mu)以上(shang),肉(rou)(rou)蓯(cong)(cong)(cong)(cong)蓉(rong)(rong)(rong)(rong)(rong)栽培(pei)(pei)面(mian)積(ji)(ji)進入快速擴張時期,將達到(dao)3000畝(mu)。據(ju)了(le)解,烏蘭布和(he)沙(sha)漠(mo)延伸巴彥淖爾市磴(deng)(deng)(deng)口縣(xian)(xian)境內總面(mian)積(ji)(ji)達425萬畝(mu),占全(quan)(quan)縣(xian)(xian)土(tu)地(di)總面(mian)積(ji)(ji)的(de)(de)(de)68.3%,極具發(fa)展沙(sha)、草產(chan)業(ye)的(de)(de)(de)區(qu)(qu)域優(you)勢。巨大(da)(da)(da)的(de)(de)(de)市場需求使開(kai)發(fa)和(he)種(zhong)植梭(suo)(suo)(suo)梭(suo)(suo)(suo)接(jie)(jie)種(zhong)肉(rou)(rou)蓯(cong)(cong)(cong)(cong)蓉(rong)(rong)(rong)(rong)(rong)的(de)(de)(de)企業(ye)紛至(zhi)沓來。僅今(jin)年(nian),磴(deng)(deng)(deng)口縣(xian)(xian)就(jiu)有(you)12家(jia)企業(ye)在(zai)烏蘭布和(he)沙(sha)漠(mo)發(fa)展肉(rou)(rou)蓯(cong)(cong)(cong)(cong)蓉(rong)(rong)(rong)(rong)(rong)產(chan)業(ye)。目(mu)(mu)(mu)前(qian)(qian),全(quan)(quan)縣(xian)(xian)發(fa)展肉(rou)(rou)蓯(cong)(cong)(cong)(cong)蓉(rong)(rong)(rong)(rong)(rong)的(de)(de)(de)企業(ye)已達到(dao)19家(jia)。肉(rou)(rou)蓯(cong)(cong)(cong)(cong)蓉(rong)(rong)(rong)(rong)(rong),又名(ming)大(da)(da)(da)蕓,是(shi)一(yi)(yi)種(zhong)沙(sha)生(sheng)寄生(sheng)植物,也是(shi)一(yi)(yi)種(zhong)名(ming)貴的(de)(de)(de)中藥材。被(bei)人(ren)們稱(cheng)為(wei)(wei)“沙(sha)漠(mo)人(ren)參”。2004年(nian),磴(deng)(deng)(deng)口縣(xian)(xian)在(zai)梭(suo)(suo)(suo)梭(suo)(suo)(suo)根部(bu)接(jie)(jie)種(zhong)肉(rou)(rou)蓯(cong)(cong)(cong)(cong)蓉(rong)(rong)(rong)(rong)(rong)實(shi)驗(yan)(yan)成功(gong),2005年(nian),磴(deng)(deng)(deng)口縣(xian)(xian)又在(zai)紅(hong)柳根部(bu)接(jie)(jie)種(zhong)肉(rou)(rou)蓯(cong)(cong)(cong)(cong)蓉(rong)(rong)(rong)(rong)(rong)實(shi)驗(yan)(yan)獲(huo)得成功(gong)。目(mu)(mu)(mu)前(qian)(qian),磴(deng)(deng)(deng)口縣(xian)(xian)梭(suo)(suo)(suo)梭(suo)(suo)(suo)、紅(hong)柳接(jie)(jie)種(zhong)肉(rou)(rou)蓯(cong)(cong)(cong)(cong)蓉(rong)(rong)(rong)(rong)(rong)技術從實(shi)驗(yan)(yan)轉(zhuan)向推廣(guang)(guang)應用。據(ju)介(jie)紹,一(yi)(yi)畝(mu)當(dang)年(nian)接(jie)(jie)種(zhong)的(de)(de)(de)肉(rou)(rou)蓯(cong)(cong)(cong)(cong)蓉(rong)(rong)(rong)(rong)(rong),次年(nian)可采肉(rou)(rou)蓯(cong)(cong)(cong)(cong)蓉(rong)(rong)(rong)(rong)(rong)330公斤(jin),以現行市場價計算,畝(mu)收入3300元左右。據(ju)有(you)關專家(jia)介(jie)紹,目(mu)(mu)(mu)前(qian)(qian)全(quan)(quan)國只有(you)新疆個別地(di)區(qu)(qu)和(he)內蒙古阿拉善(shan)、烏蘭布和(he)沙(sha)區(qu)(qu)大(da)(da)(da)面(mian)積(ji)(ji)進行肉(rou)(rou)蓯(cong)(cong)(cong)(cong)蓉(rong)(rong)(rong)(rong)(rong)人(ren)工(gong)接(jie)(jie)種(zhong)培(pei)(pei)育,并開(kai)始由實(shi)驗(yan)(yan)階(jie)段轉(zhuan)向推廣(guang)(guang)階(jie)段。據(ju)磴(deng)(deng)(deng)口縣(xian)(xian)肉(rou)(rou)蓯(cong)(cong)(cong)(cong)蓉(rong)(rong)(rong)(rong)(rong)協會(hui)介(jie)紹,今(jin)年(nian)截至(zhi)目(mu)(mu)(mu)前(qian)(qian),該協會(hui)已經接(jie)(jie)到(dao)總數為(wei)(wei)120噸(dun)的(de)(de)(de)干(gan)肉(rou)(rou)蓯(cong)(cong)(cong)(cong)蓉(rong)(rong)(rong)(rong)(rong)訂單。而全(quan)(quan)縣(xian)(xian)去年(nian)肉(rou)(rou)蓯(cong)(cong)(cong)(cong)蓉(rong)(rong)(rong)(rong)(rong)總產(chan)量只有(you)區(qu)(qu)區(qu)(qu)1噸(dun)。為(wei)(wei)此,磴(deng)(deng)(deng)口縣(xian)(xian)今(jin)年(nian)提出了(le)大(da)(da)(da)面(mian)積(ji)(ji)推廣(guang)(guang)肉(rou)(rou)蓯(cong)(cong)(cong)(cong)蓉(rong)(rong)(rong)(rong)(rong)產(chan)業(ye),建(jian)設(she)30萬畝(mu)人(ren)工(gong)接(jie)(jie)種(zhong)肉(rou)(rou)蓯(cong)(cong)(cong)(cong)蓉(rong)(rong)(rong)(rong)(rong)基地(di)的(de)(de)(de)構想。屆時,磴(deng)(deng)(deng)口縣(xian)(xian)將成為(wei)(wei)中國最(zui)大(da)(da)(da)的(de)(de)(de)人(ren)工(gong)接(jie)(jie)種(zhong)肉(rou)(rou)蓯(cong)(cong)(cong)(cong)蓉(rong)(rong)(rong)(rong)(rong)生(sheng)產(chan)基地(di)。
綠化情況
據(ju)巴(ba)彥淖(nao)(nao)爾市林(lin)(lin)業局統計,2005年(nian)(nian)—2007年(nian)(nian)三年(nian)(nian)間(jian)(jian),烏蘭布(bu)和(he)沙(sha)(sha)(sha)漠每(mei)年(nian)(nian)增(zeng)(zeng)綠(lv)10萬畝。2005年(nian)(nian),巴(ba)彥淖(nao)(nao)爾市率(lv)先(xian)在烏蘭布(bu)和(he)沙(sha)(sha)(sha)漠推出冷藏苗避風(feng)造林(lin)(lin)新技術,造林(lin)(lin)時(shi)間(jian)(jian)從過去的(de)4月份(fen)延(yan)長到(dao)(dao)9月份(fen),延(yan)長期達5個月,變一季度(du)造林(lin)(lin)為三季造林(lin)(lin),同時(shi)先(xian)后推廣了柴草網格、高壓(ya)水打孔植苗、深坑(keng)栽(zai)植、開溝(gou)栽(zai)植等20多項治沙(sha)(sha)(sha)先(xian)進技術,極(ji)大地提高了造林(lin)(lin)成活率(lv)。據(ju)統計,2005年(nian)(nian)—2007年(nian)(nian)三年(nian)(nian)間(jian)(jian),烏蘭布(bu)和(he)沙(sha)(sha)(sha)漠每(mei)年(nian)(nian)增(zeng)(zeng)綠(lv)10萬畝,森林(lin)(lin)覆蓋率(lv)由九十年(nian)(nian)代末(mo)的(de)4.5%提高到(dao)(dao)現在的(de)15.3%,治沙(sha)(sha)(sha)面積(ji)達到(dao)(dao)了120萬畝,有效(xiao)改善了沙(sha)(sha)(sha)區(qu)生態環境。
點沙成土
內(nei)蒙古烏蘭布(bu)和(he)沙(sha)漠是(shi)我國八大沙(sha)漠之(zhi)一(yi),總面積約1萬平方公里,在(zai)蒙古語(yu)中,“烏蘭布(bu)和(he)”意指“紅色(se)的公牛(niu)”。從(cong)2016年開始,重慶交通大學教授易(yi)志堅帶(dai)領科研團隊在(zai)這片(pian)土地開始播(bo)種“綠色(se)”。他們研制出(chu)一(yi)種植物性纖維黏合材(cai)料,將其混(hun)入沙(sha)中,使沙(sha)子擁(yong)有和(he)土壤類似的涵(han)養水(shui)分和(he)營養的能力,從(cong)而造出(chu)一(yi)片(pian)綠洲。
2016年,研(yan)究團隊在烏蘭布(bu)和開展了25畝(mu)沙(sha)漠地種植試驗(yan)。從(cong)2017年開始,研(yan)究團隊已開展4000畝(mu)的種植試驗(yan)。