合理利用三江平原的苔草植物资源

RATIONAL UTILIZATION OF CAREX RESOURCES IN SANJIANG PLAIN

三江平原约有60％的土地复盖着天然植被,其中沼泽化草甸和沼泽植被占主要比例。这二者占平原地区天然植被面积的74.9％左右。该区植被的建群植物,优势植物和主要伴生植物,都是能适应水的沼生、湿生植物和少数中生植物。其中莎草科植物较多,而该科种类又以苔草为主,它们可形成单纯群落,伴生其它种类,本文介绍了这些种在该区的分布和经济价值。

There are about 60% natural vegetation that covers Sanjiang plain's soil. They are mainly swamp meadow and swamp vegetation and over 70% of natural resources of Sanjiang plain. In this region, edificator. dominant plant and main companion plants are all adapt water, distinctively they are helophyte, wet plants and a small amount of mesophytes, among them, Carex plants occupies an important position in Cyperaceae. They can form pure community in company with other species. In this article, an introduction including distribution of the genus Carex in Sanjiang plain and utilization value also with some proposal is given.