摘要
本文针对黎平县古树进行了野外调查,结果表明:黎平县古树共有25科47属52种,共计997株,分布区系中北温带分布型至泛热带型占有较大优势;树高主要集中在11~40m,古树随着树龄的增加呈指数型递减,胸径平均为97cm。数量较多的树种为:枫香树、樟、南方红豆杉、闽楠、木荷,占总数的68.8%。国家Ⅰ级保护树种1种,Ⅱ级保护树种4种,省级保护树种1种。指出了黎平县古树各树种间数量差距较大,提出了科学管理、人为引导进行保护等建议。
According to the field survey results,there are a total of 52 species,47 genera and 25 families of ancient trees in Liping county,with 997 species in total.The distribution of the north temperate zone to the pantropical zone is more dominant.The tree height was mainly between 11 and 40m,and the ancient trees presented exponen-tial decline with the increase of tree age,and the average Diameter at breast height was 97 cm.A large number of tree species are Liquidambar formosana,Cinnamomum camphora,Taxus chinensis var.mairei,Phoebe bournei,Schimasuperba,accounting for 68.8%of the number of ancient trees;there are 1 species of national Class I pro-tected tree species,4 species of ClassⅡprotected tree species and 1 species of provincial protected tree species.The population sizes of ancient tree species in Liping County vary significantly,and it is recommended to imple-ment scientific management and human-guided conservation measures for their protection.
作者
孔德明
杨志
王婷婷
吴城
石兴昌
Kong Deming;Yang Zhi;Wang Tingting;Wu Cheng;Shi Xingchang(Bijie Forestry Bureau,Bijie 551700,Guizhou,China;Liping County Forestry Bureau,Liping 557300,Guizhou,China;Guizhou Ecological Energy Vocational College,Guiyang 550001,Guizhou,China)
出处
《绿色科技》
2025年第1期120-123,127,共5页
Journal of Green Science and Technology
关键词
古树
特征
植物区系
黎平县
ancient trees
characteristic
flora
Liping County
