George R Prince

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Humans may be exposed to organic forms of mercury by either inhalation, oral, or dermal routes, and the effects of such exposure depend upon both the type of mercury to which exposed and the magnitude of the exposure. In general, the effects of exposure to organic mercury are primarily neurologic, while a host of other organ systems may also be involved,(More)
controls that utilize natural predation, parasitism or other natural mechanisms, is an environmentally friendly alternative to chemical pesticides. Chemical pesticide methods are becoming less readily available due to increasing resistance problems and the prohibition of some substances. This book addresses the challenges of insufficient information and(More)
Historically, mixed stands of hardwood and conifer species , especially aspen (Populus tremuloides) and white spruce (Picea glauca) were very common throughout the boreal forest (Rowe 1972). However, human settlements and repeated disturbances related to forestry, agriculture or range management, have removed the spruce seed source and created pure hardwood(More)
Notice This document has been reviewed in accordance with U.S. Environmental Protection Agency policy and approved for publication. Mention of trade names or commercial products does not constitute endorsement or recommendation for use. The policies and procedures established in this document are intended solely for the guidance of government personnel, for(More)
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