ASTM D4557-85(2002)被替代
Standard Practice for Collecting Benthic Macroinvertebrates with Surber and Related Type Samplers
出版：American Society for Testing and Materials
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基本信息
标准编号： ASTM D4557-85(2002)
发布时间：1985/12/27 0:00:00
标准类别：Standard
出版单位：American Society for Testing and Materials
标准页数：2
标准简介
CONTAINED IN VOL. 11.05, 2001Describes procedures for sampling macro invertebrates inhabiting mud, gravel, sand, or rubble substrate. Restricted to shallow streams or areas of rivers, depends on water velocity of not less than 0.05 m/s.
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替代本标准的新标准
