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Didymosphenia geminata removal experiment in stream plots (Heptageniidae)
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Description
Manual removal of invasive diatom D. geminata from stream substrate plots with adjacent controls to test effects on invertebrate community composition and abundance over a three-week period.
Typical Equipment
- steel bars
- 0.5m x 0.5m grid quadrat
- glass viewing box
- metal forceps
- 31cm by 31cm Hoffman sampler
- 375 micrometer mesh
- electrobug sampling equipment
- dissecting microscope
Output Measurements
- invertebrate abundance by family
- algae volume index
- community composition