ASTM International - ASTM D4387-84(1997)
Standard Guide for Selecting Grab Sampling Devices for Collecitng Benthic Macroinvertebrates
|Publication Date:||1 January 1997|
|ICS Code (Biology. Botany. Zoology):||07.080|
1.1 This guide covers selecting grab sampling devices for collecting benthic macroinvertebrates. (See Table 1)
1.2 The grab sampler when used correctly is a quantitative collecting device. It is designed to penetrate and grab or scoop a variety of substrates or sediment types from which macroinvertebrates are collected in freshwater, estuarine, and marine habitats.