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<br />Table 4. Sampling equipment specifications. NA = not applicable. Approximate costs are from Wildlife Supply <br />Company, Saginaw, Michigan. <br />Sampler Area sampled (m~ Sampler mesh (um) Habitat sampled Approximate cost <br />Hess 0.086 250 rifiles. cobble bars $600.00 <br />Dip net oa 800 all $100.00 <br />Corer 0.0002 ns eddy, backwater $300.00 <br />Petite Ponar 0.016 na backwater, pool $450.00 <br />Peterson Grab 0.093 na backwater, pool $500.00 <br />T sampler 0.023 250 aquatic plants $200.00 <br />Plankton net 0.013 80 backwater. run. pool 225.00 <br /> <br />17 <br />