銀川白芨灘簡介：

　白芨灘位于(yu)毛烏(wu)素沙(sha)(sha)漠(mo)(mo)(mo)的(de)邊緣，南(nan)北長61公里、東西寬21公里，保(bao)護(hu)(hu)(hu)(hu)區(qu)(qu)(qu)(qu)(qu)面積(ji)(ji)(ji)為(wei)(wei)74843平方公里，占靈(ling)武市總面積(ji)(ji)(ji)1/4保(bao)護(hu)(hu)(hu)(hu)區(qu)(qu)(qu)(qu)(qu)內(nei)，分(fen)(fen)(fen)(fen)(fen)布(bu)有(you)(you)干旱沙(sha)(sha)地、荒漠(mo)(mo)(mo)摹和流動(dong)沙(sha)(sha)丘等屬荒漠(mo)(mo)(mo)類(lei)(lei)型生(sheng)(sheng)態系統自然(ran)保(bao)護(hu)(hu)(hu)(hu)區(qu)(qu)(qu)(qu)(qu)；保(bao)護(hu)(hu)(hu)(hu)區(qu)(qu)(qu)(qu)(qu)共(gong)有(you)(you)六個站點，分(fen)(fen)(fen)(fen)(fen)別(bie)為(wei)(wei)甜水河、大泉(quan)、馬(ma)鞍山(shan)(shan)、北沙(sha)(sha)窯、羊場(chang)灣、長流水我們(men)今天(tian)(tian)來到的(de)是大泉(quan)管理站。 保(bao)護(hu)(hu)(hu)(hu)區(qu)(qu)(qu)(qu)(qu)地貌可分(fen)(fen)(fen)(fen)(fen)為(wei)(wei)3個類(lei)(lei)型，即低(di)山(shan)(shan)丘陵(ling)、緩坡丘陵(ling)和沙(sha)(sha)漠(mo)(mo)(mo)低(di)山(shan)(shan)丘陵(ling)，保(bao)護(hu)(hu)(hu)(hu)區(qu)(qu)(qu)(qu)(qu)內(nei)共(gong)有(you)(you)維管植物(wu)(wu)53科170秘史306種(zhong)(zhong)(zhong)(zhong)，其(qi)中國家一(yi)級(ji)保(bao)護(hu)(hu)(hu)(hu)植物(wu)(wu)發(fa)菜、國家二(er)級(ji)保(bao)護(hu)(hu)(hu)(hu)植物(wu)(wu)沙(sha)(sha)蘆草(cao)在(zai)保(bao)護(hu)(hu)(hu)(hu)區(qu)(qu)(qu)(qu)(qu)內(nei)零(ling)散分(fen)(fen)(fen)(fen)(fen)布(bu)，野生(sheng)(sheng)動(dong)物(wu)(wu)有(you)(you)23目47科115種(zhong)(zhong)(zhong)(zhong)，其(qi)中國家重點保(bao)護(hu)(hu)(hu)(hu)動(dong)物(wu)(wu)22種(zhong)(zhong)(zhong)(zhong)，一(yi)級(ji)保(bao)護(hu)(hu)(hu)(hu)動(dong)物(wu)(wu)黑灌(guan)、大鴇2種(zhong)(zhong)(zhong)(zhong)，國家二(er)級(ji)保(bao)護(hu)(hu)(hu)(hu)動(dong)物(wu)(wu)大天(tian)(tian)鵝(e)、鴛鴦等腰(yao)三(san)角形20種(zhong)(zhong)(zhong)(zhong)保(bao)護(hu)(hu)(hu)(hu)區(qu)(qu)(qu)(qu)(qu)內(nei)還(huan)有(you)(you)甘草(cao)、麻黃、黃芪(qi)、沙(sha)(sha)蔥蓉等野生(sheng)(sheng)中草(cao)約，值得一(yi)提(ti)的(de)在(zai)保(bao)護(hu)(hu)(hu)(hu)區(qu)(qu)(qu)(qu)(qu)內(nei)我區(qu)(qu)(qu)(qu)(qu)唯一(yi)抗(kang)旱性極強的(de)常綠(lv)稀有(you)(you)珍貴鄉土樹種(zhong)(zhong)(zhong)(zhong)沙(sha)(sha)冬青在(zai)保(bao)護(hu)(hu)(hu)(hu)區(qu)(qu)(qu)(qu)(qu)內(nei)分(fen)(fen)(fen)(fen)(fen)布(bu)較為(wei)(wei)普遍，并分(fen)(fen)(fen)(fen)(fen)布(bu)于(yu)保(bao)護(hu)(hu)(hu)(hu)區(qu)(qu)(qu)(qu)(qu)南(nan)部區(qu)(qu)(qu)(qu)(qu)域(yu)；它是第(di)三(san)紀荒漠(mo)(mo)(mo)植物(wu)(wu)區(qu)(qu)(qu)(qu)(qu)系的(de)殘造(zao)種(zhong)(zhong)(zhong)(zhong)被(bei)列于(yu)《中國珍稀瀕危保(bao)護(hu)(hu)(hu)(hu)植物(wu)(wu)名錄》是二(er)級(ji)保(bao)護(hu)(hu)(hu)(hu)物(wu)(wu)種(zhong)(zhong)(zhong)(zhong)，白芨灘自然(ran)保(bao)護(hu)(hu)(hu)(hu)區(qu)(qu)(qu)(qu)(qu)還(huan)是我國分(fen)(fen)(fen)(fen)(fen)布(bu)面積(ji)(ji)(ji)最(zui)大的(de)天(tian)(tian)然(ran)檸條、灌(guan)木(mu)林地面積(ji)(ji)(ji)為(wei)(wei)1.67萬平方公里。