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1 概况1 .1 测报面积 2 0 0 2年我市养殖区域测报总面积40 67hm2 ,测报种类主要以日本对虾和南美白对虾为主。其中日本对虾1 40 0hm2 ,南美白对虾2 667hm2 。1 .2 苗种放养情况 放苗时间始于4月下旬,前期主要以日本对虾为主,放养密度为1 2万尾/hm2 。苗种规格8～2 0万尾/k
1 Overview 1.1 Measuring area In 2002, the total area of the measuring area of farming area in our city was 4067hm2. The types of measuring reports were mainly dominated by Japanese shrimp and Penaeus vannamei. Including 1 40 0hm2 of Japanese shrimp and 2 667hm2 of Penaeus vannamei. 1.2 Seedling stocking situation Fangmiao time began in late April, mainly in the early Japanese shrimp, stocking density of 120,000 / hm2. Seed specifications 8 to 20 000 / k