摘要
三十年代初,由美国出版的《中国植被》一书中明确记载:贵州省务川县龙洞沟、韩家沟一带有野生银杏及森林群落分布.经过1989,1990,1991和1997年的多次考查结果证实:龙洞沟、韩家沟已无森林.但是,在该县的水、丰乐、都濡、黄都及其紧邻县区,确实发现以银杏为主的古森林残存群落多处,在这些零星和分散的残存群落中,银杏种群个体大都处于野生和半野生状态。
In the Early of 1930's, The Flora of China Tublished by the minted states recorded clearly the distribution of wild Ginkgo Biloba Community in Longdonggou, Hanjiagou of Wuchuan County, Guizhou Province. Several investigitions in 1989, 1991 and proved that: to Day, No forest exist at the exact locution due to fire, We gust discovered several ancient deleted Ginkgo Biloba communities in Wuchuan county and nearby coumties among which Ginkgo Biloba is the Main speies and in a stite of wild or half wild condition.
出处
《贵州科学》
1997年第4期239-244,共6页
Guizhou Science
基金
贵州科学院基金