贵州省江口县木本蜜源植物资源初步调查

通过对江口县境内调查统计得出，该县共有木本蜜源植物49科89属131种。其中主要蜜源植物有13科21属32种，占总种数的24．43%。辅助蜜源植物47科72属99种，占总种数的75．57%。对这些蜜源植物花期及蜜源类型进行了统计分析，同时对该区木本蜜源植物的垂直分布及生活型也进行了统计分析，发现物种种数及各生活型种数随海拔的升高呈一个先上升后下降的趋势。乔木、小乔木、灌木、木质藤本这4种生活型亦随海拔的升高呈相同趋势。另外，提出一些关于该地区木本蜜源植物开发利用的合理建议。

Preliminary Investigation of Woody nectar plant resources in Jiangkou County

A survey forwoody nectar source plantthat conducted in Jiangkou County, Guizhou, recorded 131 species of woody nectar source plantin 49 families and 89 genera, Among them, 32 species in 13 families and 21 genera belonged to primary nectar source plant, accounting for 24.43% of total nectar plant, whileother 99 species in 47 families and 72 gen-erawere auxiliary nectar source plant, accounting for 75. 57%. Based on the investigation of flowering seasons, honey type, the vertical distribution and habitats, the numbers of woody nectar source plant and all four life formincreased first as the rise of altitude, andthen decreased. Distributionof arbors, dungarungas, shrubsand woody vines also followedasimi-lar pattern. In addition, suggestions on exploitation of woody nectar source plants in this area were discussed.