Stream reach electroshocking for invertebrate manipulation (Heptageniidae)

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Description

Large-scale manipulation technique using backpack electroshocker to reduce invertebrate densities across a 50-meter stream reach through induced drift, with daily treatments maintained for two weeks. This enables testing of grazer effects on primary producers at natural spatial scales.

Typical Equipment

• generator-powered backpack electroshocker
• circular 10-cm anode (Model 15-C, Smith-Root)
• 280-μm mesh blocknet

Output Measurements

• invertebrate density reduction
• community composition changes

Papers Using This Protocol (1)