Biological Diversity

The preserved sample from the Surber sampler, with detritus and stream invertebrates

The Surber sample cup is emptied into a sieve

The preserved sample from the Surber sampler, with detritus and stream invertebrates

The Surber sample cup is emptied into a sieve

Streamwater flows into the Surber sampler which catches stream invertebrates

Bill Gerth uses his hand to gently disturb the stream bottom and dislodge stream invertebrates as the water flows into the Surber net

The Surber sample cup is rinsed through a sieve to capture any small aquatic invertebrates

A Surber sampler is used to collect stream invertebrates

Researchers use a Surber sampler to collect aquatic invertebrates

Researchers use a Surber sampler to collect aquatic invertebrates