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Full-Text Articles in Physical Sciences and Mathematics
Beaver Recolonization In South-Central Maine, Laurence Lisle Ii
Beaver Recolonization In South-Central Maine, Laurence Lisle Ii
Electronic Theses and Dissertations
Following a long absence due to over-trapping, beaver (Castor canadensis) recolonized most of their continental range during the middle of the 20th century. The spread of beaver across the landscape was revealed by the emergence of beaver-created wetlands, or flowages. Based on the appearance of flowages on aerial photographs from 1939, 1957, 1974, and 1991, I documented the return of beaver to a 105 km^ watershed in south-central Maine. I sought to determine if certain wetland characteristics—area, perimeter to dam length (p/d) ratio, and watershed size—influenced the order in which sites were occupied by beaver. Also, to gauge the effect …
Conservation Easements As A Forest Management Strategy, C. Edwin Meadows Jr., Donald J. Mansius
Conservation Easements As A Forest Management Strategy, C. Edwin Meadows Jr., Donald J. Mansius
Maine Policy Review
Conservation easements have become an increasingly popular way of protecting private lands that have public value. Maine, like other northeastern states, has a particular interest in conservation strategies given among other things, its natural resource-dependent economy. C. Edwin Meadows, Commissioner of the Maine Department of Conservation (MDOC), and Donald J. Mansius, the Northern Forest Lands Coordinator for MDOC, address the forest management aspects of conservation easements and provide examples of easement land where forest management is permitted. An accompanying sidebar by Chris Spruce describes a conservation easement that has existed for more than a down years along the Penobscot River …
Retail Competition In The U.S. Electricity Industry, John P. Hughes
Retail Competition In The U.S. Electricity Industry, John P. Hughes
Maine Policy Review
The ever-increasing competitive nature of the electric utility business has been lent additional impetus by federal policies that mandate restructuring of the industry. John Hughes, writing from the perspective of large industrial consumers, offers a vision for restructuring the electric utility industry. He frames his vision in response to goals outlines in the California Public Utilities Commission’s proposal to restructure that state’s electric utility industry
Water Resources Conference: Watershed Planning In Maine, Nick Houtman
Water Resources Conference: Watershed Planning In Maine, Nick Houtman
Maine Policy Review
Watershed planning in Maine suffers from several problems that were identified during a water resources conference held at the University of Maine in April 1994. A brief summary of key conference findings is reported here.
Fish Consumption, Exposure To Dioxin, And Health Risk Assessments, Kevin J. Boyle
Fish Consumption, Exposure To Dioxin, And Health Risk Assessments, Kevin J. Boyle
Maine Policy Review
Human health issues have become the focus of much of the environmental debate that continues to occur daily in theU.S.InMaine, dioxin, a by-product of the kraft paper making process, has gathered its share of attention in recent months.UniversityofMaineresource economist Kevin Boyle discusses the difficulties associated with assessing human health risks relative to the consumption of fish tissue potentially contaminated with dioxin. He cautions state regulators to avoid overestimating the potential risks associated with human exposure to toxic substances such as dioxin.
Regulatory Updates: Great Pond Task Force, Nick Houtman
Regulatory Updates: Great Pond Task Force, Nick Houtman
Maine Policy Review
No abstract provided.