Published: Jan 1984
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A quantitative submersed aquatic plant sampler that can rapidly collect plants from a known area at any depth was developed for the U.S. Army Engineer Aquatic Plant Control Research Program. The design and use of this hydraulically operated cylindrical sampler and an improved second generation square-shaped sampler are discussed. Quantitative data are presented that compare these samplers to each other and to other sampling techniques including mechanical harvesters. Substantial differences between plant biomass estimates obtained by different techniques suggest that there may be biases associated with the different techniques making direct comparisons misleading. A large-scale systematic comparison test is needed to evaluate the various quantitative sampling techniques.
aquatic plants, biomass, density, submersed aquatic plants, sampling techniques, aquatic plant control, plant sampler design
Civil engineer, Environmental Laboratory, U.S. Army Engineering Waterways Experiment Station, Vicksburg, MS
Paper ID: STP35223S