浉河水生维管植物初步调查

A preliminary study on the aquatic vascular plants in Shihe river

摘要: 对信阳市区河水生维管植物进行了初步调查 .河水生维管植物多发生在枯水期 ,共有 1 8科、3 2种、3变种 .其中以湿生植物为主 ,占 5 4.3 % ,沉水植物次之 ,占 2 5 .7% ,浮水植物占 1 1 .4% ,挺水植物占8.6% ,浮水兼湿生植物占 2 .9% .

Abstract: The species ,distribution and community of the aquatic vascular plants in Shihe river were investigated.As a result,it is discovered that there are about 18 families ,32 species and 3 varieties of aquatic vascular plants in Shihe river.These plants may been divided into 4 forms which are straight hydrophyte,gydrophyta natantia, submersed and helophyte.Among them,the number of helophyte is dominant.