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Showing 1 to 1 of 1 for “"Trees--Iowa--Polk County"”.
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A comparative Study of the Population Densities of Various Tardigrada Species
… were collected from 12 species of deciduous trees from 12 locations in Polk County, Iowa. The regions varied in particulate count, measured in tons of dust fall per month, and traffic flow density, measured in number of cars per year. Tardigrades were collected from samples, mounted in …