林芝地区珍稀濒危藏药材卷叶黄精资源特征研究

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1、第43卷第3期西部林业科学Vol.43No.32014年6月JournalofWestChinaForestryScienceJun.2014林芝地区珍稀濒危藏药材卷叶黄精资源特征研究*李江荣，卢杰，李连强，兰小中(西藏大学农牧学院，西藏林芝860000)摘要:卷叶黄精是百合科黄精属多年生濒危藏药材草本植物。本研究采用标准样地法对林芝地区(墨脱县外)11个地点的卷叶黄精资源进行实地调查，结果表明:(1)不同地点卷叶黄精全株平均生物量的排序为，工布江达金达＞朗县洞嘎＞波密古玉＞波密扎木＞朗县金东＞

2、察隅南山＞米林扎贡＞林芝通麦＞波密巴卡＞波密岗乡＞波密中坝，其中地下部分生物量与全株生物量的相关性紧密。(2)卷叶黄精生物量总体上随海拔升高呈先增后减再增的趋势，即呈双峰型，但地上部分与地下部分的比值随海拔升高呈现出无规则型变化。(3)林芝地区各县卷叶黄精蕴藏量的排序是，工布江达县＞朗县＞米林县＞波密县＞察隅县＞林芝县，蕴藏量最多的工布江达县为633.154t，占总量的55.834%，最少的林芝县为42.859t，仅占总量的3.779%。(4)林芝地区卷叶黄精资源具有分布广泛但不均匀的特点。关键

3、词:濒危藏药材;卷叶黄精;生物量;资源;林芝地区中图分类号:S567文献标识码:A文章编号:1672－8246(2014)03－0076－05TheＲesourceCharacteristicsofPolygonatumcirrhifoliumasaＲareandEndangeredTibetanMedicineinLinzhiDistrictLIJiang-rong，LUJie，LILian-qiang，LANXiao-zhong(AgricultureandAnimalHusbandryCo

4、llege，TibetUniversity，LinzhiTibetAuonomousＲegion860000，P.Ｒ.China)Abstract:PolygonatumcirrhifoliumisaperennialherbaceousplantwhichbelongstoPloygonatumofLiliaceae，andisregardedasarareandendangeredTibetanmedicine．Basedonthestandardsamplingmethod，researc

5、handanalysisonPolygonatumcirrhifoliumofthe11plots(exceptMotuoCouny)inLinzhiDistrictwereconducted，andtheresultindicatedthat:1)ThemeanbiomassofP.cirrhifoliumvariedindifferentspots:JindaofGongbujiangdaCounty＞DonggaofLangCounty＞GuyuofBimiCounty＞ZamuofBom

6、iCounty＞JindongofLangCounty＞Nans-hanofChayuCounty＞ZagongofMilinCounty＞TongmaiofLinzhiCounty＞BakaofBomiCounty＞GangxiangofBomiCounty＞ZhongbaofBomiCounty．2)Thebiomassoftheundergroundpartwascloselycorrelatedwiththatofthecompletestools，andingeneral，thebio

7、massofP.cirrhifoliumintendstoincreasefirstlyandthendecreaseandincreaseagainwiththeelevationincreasing，namelybimodalpatter．Whiletheratiobetweenundergroundpartandovergroundpartshowedanirregularchangewiththeelevationincreasing．3)TheresourcesreservesofP.

8、cirrhifoliumindifferentcountiesrankedasGongbujiangdacounty＞LangCounty＞MilinCounty＞BomiCounty＞ChayuCounty＞LinzhiCounty．Thehighestyeildwas633.154tinGongbujiangdaCounty，accountingfor55.834%ofthetotal，andthelowestwas42.859tinLinzhiCounty，accountingfor3.7