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Age determination of freshwater mussels using the method of thin section
Author(s): 
Pages: 413-418
Year: Issue:  5
Journal: JOURNAL OF FISHERIES OF CHINA

Keyword:  扇贝厚实珍珠贝淡水贝类内部切片法年龄;
Abstract: 采用外部生长线估算法测定淡水贝类年龄具有局限性,对年龄偏大或生长较慢的品种不适用.本文介绍一种新的方法--内部切片法,是精确和准确测定贝类年龄的有效方法.通过对美国的两种淡水贝类扇贝和厚实珍珠贝进行内部切片法和外部生长线估算法的研究和实验数据的统计分析,证明内部切片法的结果更代表贝类的实际年龄.同时,还分析了淡水贝壳类年龄、长度、高度之间的相互关系.
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