壳斗科植物在大别山北坡森林植被中的地位

Status of Fagaceae in Forest Vegetations on the North Slope of Dabie Mountain

一、自然环境大别山位于皖鄂豫三省交界处,是长江与淮河的天然分水岭,主体部分座落在安徽省境内,最高峰为霍山县白马尖,海拔1774m,地理座标为北纬31°44′,东经106°22′。大别山北坡的气候属北亚热带湿润季风气候。根据霍山气象站(31°24′N,116°20′E,

There are 6 genera, 19 species and 2 varieties belonging to Fagaceae, making up about 1.5% of the total spermatophyta species in the study area, but the coverage of vegetations dominated by Fagaceae makes up of 60—70%. Vegetations dominated by Fagaceae can be classified into 10 types. Their regular distribution forms a vertical vegetation spectrum. In this area, there are 6 big reserviors, all surrounded with these vegetations. They play a significant role in conserving water and soil and prolonging the service life of reserviors. Besides, a lot of precious, rare and endangered plant species are growing among these vegetations. Therefore, Fagaceae occupies an important status in forest vegetations on the north slope of Dabie Mountain.