西部林业科学
西部林業科學
서부임업과학
JOURNAL OF WEST CHINA FORESTRY SCIENCE
2013年
6期
82-87
,共6页
刘莉娟%邢世岩%吴岐奎%刘晓静%辛红%任娟霞
劉莉娟%邢世巖%吳岐奎%劉曉靜%辛紅%任娟霞
류리연%형세암%오기규%류효정%신홍%임연하
贵州省%古银杏%资源%分布特征%生长特性
貴州省%古銀杏%資源%分佈特徵%生長特性
귀주성%고은행%자원%분포특정%생장특성
Guizhou Province%ancient ginkgo trees%resource%distribution%growth characteristic
2011年8月通过访谈、查阅文献资料与实地调查,对贵州省古银杏资源的分布及生长特征进行分析。结果表明,贵州省100~4000年生古银杏共有1969株,主要分布于遵义市和六盘水市;垂直分布海拔为300~1700 m,集中分布800~1100 m。其中75.96%为雌株,24.04%为雄株,雌雄比为3.16︰1;树高最高为50.0 m,最矮为2.0 m;树龄最大为4000年,最小为100年;胸径最大为479 cm,最小为26 cm;其平均冠幅最大为40.0 m,最小为1.0 m。垂乳银杏有88株,复干银杏有35株,雌雄同株仅1株。
2011年8月通過訪談、查閱文獻資料與實地調查,對貴州省古銀杏資源的分佈及生長特徵進行分析。結果錶明,貴州省100~4000年生古銀杏共有1969株,主要分佈于遵義市和六盤水市;垂直分佈海拔為300~1700 m,集中分佈800~1100 m。其中75.96%為雌株,24.04%為雄株,雌雄比為3.16︰1;樹高最高為50.0 m,最矮為2.0 m;樹齡最大為4000年,最小為100年;胸徑最大為479 cm,最小為26 cm;其平均冠幅最大為40.0 m,最小為1.0 m。垂乳銀杏有88株,複榦銀杏有35株,雌雄同株僅1株。
2011년8월통과방담、사열문헌자료여실지조사,대귀주성고은행자원적분포급생장특정진행분석。결과표명,귀주성100~4000년생고은행공유1969주,주요분포우준의시화륙반수시;수직분포해발위300~1700 m,집중분포800~1100 m。기중75.96%위자주,24.04%위웅주,자웅비위3.16︰1;수고최고위50.0 m,최왜위2.0 m;수령최대위4000년,최소위100년;흉경최대위479 cm,최소위26 cm;기평균관폭최대위40.0 m,최소위1.0 m。수유은행유88주,복간은행유35주,자웅동주부1주。
Through interview , literature data and field investigation , the distribution and growth characteristics of the ancient ginkgo resources in Guizhou Province were analyzed in August 2011 .The results show that the total number of the ancient ginkgo trees from 100 to 4 000 years old in Guizhou is 1 969 , which are mainly located in Zunyi and Liupanshui city .The vertical distribution is 300 ~1 700 m and the concentrated distribution is 800~1 100 m.75.96 % of the totals are female plant , the ratio of female to male is 3.16︰1.The highest and shor-test tree are 50.0 m and 2.0 m in height respectively .The oldest and youngest tree have an age of 4 000 and 100 years respectively .The maximum diameter at breast height is 479 cm, and the minimum is 26 cm.The minimum average crown is up to 40.0 m and the minimum is 1.0 m.There are 88 ancient ginkgo trees with chichi, 35 multi-trunk ginkgo trees and only one hermaphrodite ginkgo tree.