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Up to 1 g of mirex per 50 g of soil had no demonstrable effects on total populations of soil fungi or bacteria. The 0.5-and 1.0-g concentrations significantly reduced populations of actinomycetes in one of three soils. A variety of soil fungi and a few bacteria colonized mirex bait but did not degrade the mirex. No degradation of mirex occurred in nine aerobic soils or four anaerobic lake sediments after 6-months incubation, or in liquid cultures of bacteria after 1 month. 14C-Labeled mirex in bait placed outdoors for 6 months re-

No abstract

No abstract