鄱阳湖野生蔬菜种质资源及其生境型调查

据调查，鄱阳湖野生蔬菜有２５种，分１６科２４属。根据对湖水深度和草洲土壤湿度等适应性的差异，将其生境类型分为水生野生蔬菜有浮叶型、挺水型，旱生野生蔬菜有湿生型和中生型。浮叶型主要分布于高程１１～１３ｍ的湖底滩地上，叶片浮水而生；挺水型分布高程１２～１５ｍ，植株挺立水面生长；湿生型和中生型则主要分布于高程１４～１７ｍ的草洲。鄱阳湖野生蔬菜种类随湖水的涨落呈季节性更替，且多呈不规则等高分布。

Germplasm Resources and Habitual Type of the Wild Vegetables in Poyang Lake Area

Poyang Lake, situated at 28°24’～29°46’N, 115°49’～116°46’E, is a river-linking lake. Owing to the favorable geographical and climatic conditions, there are 25 species of wild vegetables in 24 genera of 16 families growing in Poyang Lake area. The wild vegetables are mainly distributed in wet meadow and shallow water area at the elevations ranging from 11 to 13 meters. According to the adaptability to water depth and soil moisture, these vegetables are classied into four types: floating, water-standing, hygric, and mesophyte.