Search results for tef
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3 datasets for “tef”
- Data.gov Catalog
Butterfly community abundance and distribution along a gradient of woody vegetation density at Indiana Dunes National Lakeshore, Hoosier Prairie Nature Preserve, and Tefft Savanna Nature Preserve, Indiana 1998-1999.
U.S. Geological SurveyUpdated 24 Jan 2025
The dataset consists of abundance information of butterfly species (61 species) collected at 25 sites in northwest Indiana …
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- Open Government Canada
Major Ions and Acidifying Gases
Environment and Climate Change Canada | Environnement et Changement climatique CanadaUpdated 7 Jul 2026
… Air is drawn through a three-stage filter pack consisting of 47-millimeter Teflon, nylon and cellulose filters …
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- Open Government Canada
Total Gaseous Mercury (TGM)
Environment and Climate Change Canada | Environnement et Changement climatique CanadaUpdated 14 May 2026
… depending on location) and is passed through a Teflon filter (47 mm diameter; 0.45 µm) at the …
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