福建林业科技2025，Vol.52Issue(2)：54-61,8.DOI:10.13428/j.cnki.fjlk.2025.02.007
天台县濒危植物夏蜡梅野生分布及种群特征调查
Survey of Distribution and Population Characteristics of the Endangered Plant Calycanthus chinensis in Tiantai County
摘要
Abstract
To investigate the wild distribution and population characteristics of Calycanthus chinensis in Tiantai County,Zhejiang Province,literature reviews and field surveys were conducted to determine the distribution boundaries of the species.Quadrant sam-pling was employed to examine the population characteristics of C.chinensis in three typical plant communities:evergreen broad-leaved forests,Chinese fir(Cunninghamia lanceolata)forests and moso bamboo(Phyllostachys edulis)forests.The results showed that C.chinensis is mainly distributed in Lingli of Huangshui Village and Jingguoping of Xialiaokeng Village in Longxi Township,at alti-tudes ranging from 635 to 981 meters.Analysis of population characteristics revealed that the age structure of C.chinensis populations is"pyramid-shaped",indicating a growth population.Although the number of C.chinensis in moso bamboo forests was the highest a-mong the three community types,the overall survival numbers in all three communities decreased with increasing age class,displa-ying a Deevey-Ⅰ survival curve.The populations in all three community types exhibited clumped distribution patterns,and after 2,4,and 5 age classes,the population numbers gradually increased.Therefore,the C.chinensis population in Tiantai County possesses a certain regeneration ability and is a steadily growing population.The mortality rates of seedlings and mature trees were relatively high,the population growth was slow,and it was highly sensitive to external disturbances.It was recommended that future manage-ment should focus on the growth conditions of C.chinensis individuals in age classes I and IV,and improve their habitat through ap-propriate tending measures,thereby promoting natural regeneration and population recovery.关键词
夏蜡梅/种群年龄结构/静态生命表/存活曲线/种群分布格局Key words
Calycanthus chinensis/population age structure/static life table/survival curve/population distribution pattern分类
农业科技引用本文复制引用
梁国新,秦娇,余臻,金则新,蔡人岳,王晓燕..天台县濒危植物夏蜡梅野生分布及种群特征调查[J].福建林业科技,2025,52(2):54-61,8.基金项目
浙江省自然科学基金项目(LTY22C030004) （LTY22C030004）
