Biomass of soil Acarina in arctic tundra near Barrow, Alaska was estimated from high gradient Tullgren extractions of core samples taken during the ice-free season of 1972. Adult and immature weights of abundant species are reported and regression equations are given for estimating weights from linear dimensions. A mean biomass of 99.9 mg m-2 (dry weight) was found, with a range of values between microhabitats of 15.4 and 182.6 mg m-2. Biomass characteristics in nine microhabitats are discussed and compared with acarine biomass of temperate grassland and forest.
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G. Keith Douce (1976) studied this question.
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