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1、东北林业大学硕士学位论文贺兰山岩羊食性分析姓名：昶野申请学位级别：硕士专业：野生动植物保护与利用指导教师：刘振生201007摘要20082無泅切励月5月抛2S路29淞祇湃呀褐硼施秦藩聚布区域的10个沟系采集飆時诫倏畲第銀样棄用癖轍嘱徽颁側得訓鮮琏飾箴物组成和此倾u無翻瀬当山岩館澄I翔毬腑aw删扶稼鉛僭,5冊备属植采食各科植扬中科科、I觀解M籀科和豆科钟晞由删擞高纽级成爭岩松年的谢就物匸其申针華2姮效畝spi蛇禾屛熟禾(Poaspp.)和灰榆(Ulmuspumila)在四个季节里均具有较副楼BD值茅隅RDI值鈿斛2敕为翊2傩陈榆」
2、肌德全焦平梅的］&15%.早熟禾测＞值金锄阱为214$场者为濤榴辑金弟紐淙食物■贺当山解财不畴册删曲取專程奁誓葩鮮麻血钠物曲谢骤聃濒率较高”城仙维酶冬濟利廨季和歉劲魁为20卿徊21930%穫邮熊釣夏季最低为8.67%。灌木在春季和冬季食物组成中的比例较高，分别为22.76%和34.12%,秋季次之为18.24%,夏季最低为3.97%。禾本科草本类植物在岩羊全年的食物组成中的比例均较爲阿IW紘丸趁俶馄辱
3、細鮒较低,2恋輛
4、曲主鎌稀離食物的缺乏、取食生境的融特磁J銅剜牖離她间的种『觅竞争藝致的非林榊植物崔君羊全年囊物申的组贼他例畀显
5、低茉傩他®撫别的殖物均爭均为％0・85%。对岩羊粪郴瞬鮒嫌23脳加0诚瞬8歸删脚S、均鼬蹄魅拾生态位宽度指数2希澈林岩单酬悸册锻沏组咸闕舷禅樹廿毋细捋数稠谕雄差異高同冬季最高为3.35,春季最低，为2.90.均匀度指数F冬季最高为1.07,秋季最低为0.83o食物生态位宽度肝i育瞬髙录察繼窘象靈节2。为6.44.关键词岩羊；食性；贺兰山AbstractBasedon40compositesamplesoffreshfecesofbluesheepcollectedfrom10valleyswhichlocatedAAithint
6、herangeofdistributionofbluesheep焦ringAprilHoMayXoJune2008,SeptembertoOctober2008andDecember2008toFebruaiy2009,theannualfoodcomponentandproportionofbluesheepwiththefecalmicrohistologicalanalysis.ResultsAhAywedthatbluesheepconsumed54plantspeciesorgenusfrom25familiesann
7、ually,删W踽卿册即Ulmaceae,Leguminosaewereathighproportionwithhighaveragerelativedensities(RD):Stipaspp.(27.22%),Poaspp.(14.87%)andUlmuspumila(9A5%)ineachjseasonofayear,andtheywerethemainfoodofbluesheep.ifaietypesofvegetationforagedbybluesheepareseasonallydifferent.Treesh
8、adaveryhighfrequencyinthefoodco(nposition^witharelativedensity(RD)of30.41%inwinter,1930%inspringand21.25%inautumn^lowestinsummer耐&67%.ShrubstakeahighproportioninthefoodcompositionofbluesheepAnspring(RD=22.76%)andwinter(RD=34.12%),butlowerinautumn(RD=18.24%)and伽vestin
9、summer(RD=3・97%)・Herbaceousofpoaceaeisatavery^^j^oportionintheannuallyfoodcompositionofbluesheep,theaverageRDis49.48%,butitislowerinwinter(27.55%)due4olackingoffood,解AvegetationcharacteroffeedinghabitatandinterspeciescompetitionMithAsomeotherungulates.Herbaceousofnon
10、-poaceaeisataproportionof10.85%ontheaverage,lowerthanotherthreekindsoftation-AnalyzethefoodcompositionanddiversityofbluesheepwithSh
