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1 美国海湾扇贝原种引进 1998年12月项目组从美国北纬42～35°MASSACHUSETTS和VIRGINIA两个不同海区选择三种不同规格、分两批将天然野生扇贝引进国内。第一批原种于1998年12月29日美国东部时间23时起运。平均壳高65mm的104只大于1龄,29mm的142只不足1
1 US Gulf Scallop Species Introduced December 1998 The project team has selected three different specifications from two different sea areas of 42 ~ 35 ° MASSACHUSETTS and VIRGINIA in the United States and introduced natural wild scallops into China in two batches. The first batch of seeds were shipped on December 29, 1998 at 23:00 ET. The average shell height of 65mm 104 is greater than the age of 1, 29mm of the 142 less than 1