龙泉市兰花资源调查报告

163 个样地调查以及线路和补充调查表明, 龙泉市兰花共计7 种2 变种,其中1 种为浙江新记录。兰花的生长分布与地形、气候、土壤和植物等生境因子关系密切。海拔高度变化能影响并限制兰花种类和数量的分布;西坡、中上坡和陡急坡兰花分布多;兰花喜荫, 但需要一定光照强度, 对空气湿度要求较高;兰花最适生长于壤质、团粒、酸性或强酸性、有机质含量高、排水良好的土壤中;兰花与上层乔木树种关系不大, 而与杜鹃、木等酸性灌木树种有一定相关。通过推算, 龙泉市兰花资源蕴藏总量为2592.8 万束。文中对龙泉市兰花资源状况作了分析, 概要地提出了保护意见。

An investigation report on orchid resources in Longquan City

Via investigation into 163 sample plots, together with line and supplementary investigations ,7 species and 2 varieties of orchids are found in Longquan City 's flora .Among them , one species is recorded first time in Zhejiang Province .The distribution of orchids are related to such natural factors as elevation , landscape , climate , soil and flora itself .More orchids find their exstence on steep slopes ,middle and upper slopes and slopes facing west .Orchids love suitable luminosity and high air moisture , and grow well in loamy and granule soil containing acid and high humus in areas with easy water drainage.The growth of orchids has nothing to do with the arbores high above , but is influenced by shrubs growing in acid soil .Longquan has an orchid resource of 25.928 million bunches.Advice concerning protection of orchid resources is recommended .