Larry W Brewer

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Since the 1960s, mink (Mustela vision) populations in Georgia, North Carolina, and South Carolina have declined, especially in the coastal plain. A prior study suggested that the decline may stem from environmental contaminants. Based on water quality data from each state, we identified 17 substances potentially related to the decline: aldrin, dieldrin,(More)
We investigated the effects of a turf application of the insecticide diazinon AG500 on Canada geese (Branta canadensis) on a golf course in coastal Washington (USA). On both 19 and 26 March 1987, 1 ha of turf on a golf course located in Birch Bay, Washington was treated with diazinon AG500 at a target application rate of 2.2 kg active ingredient per hectare(More)
Two 10-day field residue studies were conducted to measure the amount of chlorpyrifos residue found in typical avian food following applications of a commercial 480 g liter(-1) EC (Lorsban 4E) at 1.1 kg AI ha(-1) (1 lb AI acre(-1)) to alfalfa and at 2.3 kg Al ha(-1) (2.0 lb AI acre(-1)) to citrus. Avian food items used in these studies included: crickets(More)
Chorio-allantoic membranes (CAMs) were collected and analyzed for chlorinated hydrocarbons as part of a wildlife toxicology demonstration project at Naval Air Station (NAS) Whidbey Island, Washington, USA. Concentrations of DDT, DDE, DDD, Aroclor 1254, and Aroclor 1260 were found at concentrations below 0.4 ppm for 13 of 14 samples. The low correlations(More)