This section provides instructions for building simple, inexpensive devices to use in collecting plankton, aquatic invertebrates, and water samples. Some of these make excellent projects for Technology classes or youth groups who are interested in "doing something" positive to protect their environment.

Physical Parameter Sampling Equipment

Stream Flow Meter

Secchi Disc

Combination Staff Gauge/Crest Gauge

Plankton Sampling Equipment

Plankton Net

Stationary Plankton Net

Benthic Macroinvertebrate Sampling Equipment

Sampling Pans

Flat-bottomed Dip Net

Kick Screen

Surber Sampler

Transect Dredge

Artificial Substrate Samplers

Periphyton Sampler

Hester-Dendy Sampler