南宫自然保护区种子植物区系研究.doc

南宫自然保护区种子植物区系研究 王春1 罗大英2 （1.贵州大学林学院 贵州 贵阳 550025）Nangong Nature study the flora of seed plants Wang chun1 Luo da ying2 1. biological engineering of GuiYang College 2.Forestry College of Guizhou University, , Guiyang550025, Guizhou Province, China) Abstract : In this paper, plant the seeds of Nature Nangong flora is analyzed, the survey showed that the seeds of wild plants Nature Reserve, a total of 141 Section 394 is, 670 kinds of.Its floristic geographical elements of the complex, extensive links. 394 which can be divided into 14 types and 16 variants, of which 10 are endemic to China, through an analysis of the level of the flora, we can see that there is a tropical nature of the 198 total number of 50.25% are temperate in nature 196 is the total number of 49.75% is; protected areas, the flora of seed plants belonging to the temperate nature of both the nature of tropical, temperate north which is the largest (16.50%), while tropical ingredients (15.99%) hold more large proportion. Key words: Nature Reserve Palace ； Seed plant ； Flora；District Department of the nature of 南宫自然保护区地跨南宫乡的交宫、汪江、交密、交包、大田、展丰、南宫和台拱镇的大红寨、展佐、四柳、翁腮等27个行政村、62个自然寨。位于黔东南腹地的台江县南缘，其核心区──黑山距县城40公里，西北边界距县城7公里；西及西南边界与雷公山国家级自然保护区毗邻，东及东南边界与剑河县太拥乡接壤，南北长26公里，东西宽20公里，总面积22104公顷。区内有大面积保存较完好的具有较高水源涵养功能的常绿阔叶林和常绿阔叶混交林，是清水江的重要水源补给林。区内生物资源丰富，具有重要的生态价值和科研价值。保护区的森林类型有甜槠栲林、杜鹃－鹅耳枥林、水青冈林、马尾松针阔混交林、马尾松林、灌木林和灌丛、草坡等7个森林类型，森林面积19085公顷，森林覆盖率67.9％。各类生物共有1553种以上，其中列为国家重点保护的有44种。自然保护区1 南宫自然保护区 Table 1 The statistics of families,genera and species of seed plant In the Fuyan Natural Reserve 类别 科数 占科总数% 属数 占属总数% 种数 占总种数% 裸子植物 5 3.55 10 2.54 12 1.80 Cymnospermae 被子植物 136 96.45 384 97.46 658 98.2 Angiospermae 合计 141 100.00 394 100.00 670 100.00 Total 1、2种子植物区系