南岭眼蝶科区系及冰冻灾害前后的调查

The butterfly fauna of Nanling and the impact of snow disaster on its densities

南岭是广东的屏障和南北动植物的起源和分化中心,生物资源十分丰富,巳发现50种眼蝶,其中分布在东洋区有44种,占总数的88%;东洋区与古北区共有种5种,占10%;跨区系分布的占2%。今年初的雨雪冰冻灾害使南岭海拨500～1000m森林生态遭受严重破坏,许多野生动物被冻死,眼蝶只发现14种,与常年相比,见到的种群仅为常年的28%,种群密度则不到常年的10%。

Nanling is the barrier of Guangdong and the original and evolving area of southern and northern China＇s plants and animals with rich biological resources. So far, it has been found 50 species satyridae here. During the period of January to February 2008, the snow disaster has caused severe damages to the forest ecological systems at the sea level from 500 to 1000 m, a great deal of animals have been frozen to death, and for the Satyridae, only 14 species could be found in that area. Generally, the number of the population of Satyridae was only 28% of that found in the past year, and the population density was also less than 10% of that in the past year.