坛紫菜(P.haitanensis T.J.Chang et B.F.Zheng)是我国特有的暖温带性海藻,自然分布于长江以南诸省,是闽、浙等省的紫菜优势种。坛紫菜具有良好的栽培(养殖)性状,有较长的生长期;对海区、附着基有广泛的适应性;藻体大、生长快、产量高,经济效益好。冬季生产的坛紫菜质地柔软,营养丰富,味道鲜美,有独特的风味,产品深受国内、外市场欢迎。它已成为我国人工养殖海藻的主要对象之一,年产量占全国紫菜产量的百分之九十左右。坛紫菜的单位面积产量和条斑紫菜一样,在不同地区、不同年份、不同单位之间都 P. haitanensis T.J.Chang et B.F. Zheng is a warm temperate seaweed endemic to China. It is naturally distributed in the provinces south of the Yangtze River and is the dominant species of laver in Fujian, Zhejiang and other provinces. Algae seaweed has good cultivation (breeding) traits, a longer period of growth; on the sea, a wide range of attachment base adaptability; algae large, fast growth, high yield, good economic returns. Winter production of algae seaweed soft, nutritious, delicious, unique flavor, products by domestic and foreign markets. It has become one of the main objects of artificial breeding seaweed in China, annual output accounts for about ninety percent of the production of laver. Seaweed nori per unit area yield and Porphyra, in different regions, different years, between different units