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Book Clearcutting Affects Stream Chemistry in the White Mountains of New Hampshire

Download or read book Clearcutting Affects Stream Chemistry in the White Mountains of New Hampshire written by C. Wayne Martin and published by . This book was released on 1986 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: S2Clearcutting of northern hardwood forests in New Hampshire resulted in accelerated loss of dissolved nutrients to streams similar to that shown in experimental studies at Hubbard Brook. Stream water samples were collected during 4 years from nine watersheds that had been completely clearcut and from five nearby reference watersheds that were uncut. Differences in stream chemistry between clearcut and reference watersheds were greatest during the second year after cutting. During the 4 years of the study, specific conductance of the reference streams ranged from 20 to 30 [mu] S/cm; average pH ranged from 5.0 to 5.7; nitrate ranged from less than 0.1 to about 4.0 mg/l; calcium from 1.0 to 3.0 mg/l; ammonium from less than 0.01 to 0.05 mg/l; magnesium from 0.2 to 0.8 mg/l; sodium from 0.6 to 1.6 mg/l; potassium from 0.1 to 0.7 mg/l; sulfate from 3.0 to 8.0 mg/l; and chloride from 0.3 to 0.6 mg/l. During the second year after clearcutting, specific conductance of streams draining the cuts ranged from 22 to 68 [mu] S/cm; average pH ranged from 5.1 to 6.0; nitrate ranged from 1.4 to 27.3 mg/l; calcium from 1.4 to 6.7 (ng/l; ammonium from less than 0.01 to 0.05 mg/l; magnesium from 0.3 to 1.4 mg/l; sodium from 0.8 to 3.0 mg/l; potassium from 0.1 to 1.5 mg/l; sulfate from 2.1 to 6.3 mg/l; and chloride from 0.4 to 0.9 mg/l. During the first year after cutting, streams from the cuts were more acidic than those from the reference streams; however, they were less acidic by the end of the second year. Concentrations of most ions in streams from clearcuts approached reference levels by the end of the fourth year after clearcutting, though streams from clearcuts remained less acidic by nearly a whole pH unit, sulfate remained depressed, and potassium remained elevated. During the 4 years following cutting, stream exports from cut sites exceeded those from reference sites by 57 kg/ha for inorganic nitrogen, 61 kg/ha for calcium, and 15 kg/ha for potassium.S3.

Book Land Use Effects on Streamflow and Water Quality in the Northeastern United States

Download or read book Land Use Effects on Streamflow and Water Quality in the Northeastern United States written by Avril L. de la Cretaz and published by CRC Press. This book was released on 2007-06-01 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: Filling a long-standing need for a desk reference that synthesizes current research, Land Use Effects on Streamflow and Water Quality in the Northeastern United States reviews and discusses the impact of forest management, agriculture, and urbanization. The book provides a gateway to the diverse scientific literature that is urgently needed

Book Research Paper NE

Download or read book Research Paper NE written by and published by . This book was released on 1985 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book General Technical Report NE

Download or read book General Technical Report NE written by and published by . This book was released on 1980 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book River Ecosystem Ecology

    Book Details:
  • Author : Gene E. Likens
  • Publisher : Academic Press
  • Release : 2010-03-29
  • ISBN : 0123819997
  • Pages : 424 pages

Download or read book River Ecosystem Ecology written by Gene E. Likens and published by Academic Press. This book was released on 2010-03-29 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: A derivative of the Encyclopedia of Inland Waters, River Ecosystem Ecology reviews the function of rivers and streams as ecosystems as well as the varied activities and interactions that occur among their abiotic and biotic components. Because the articles are drawn from an encyclopedia, the articles are easily accessible to interested members of the public, such as conservationists and environmental decision makers. - Includes an up-to-date summary of global aquatic ecosystems and issues - Covers current environmental problems and management solutions - Features full-color figures and tables to support the text and aid in understanding

Book Ecology and Management of Northern Hardwood Forests in New England

Download or read book Ecology and Management of Northern Hardwood Forests in New England written by James W. Hornbeck and published by . This book was released on 1992 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Selected Water Resources Abstracts

Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1989 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Guide to Wildlife Tree Management in New England Northern Hardwoods

Download or read book Guide to Wildlife Tree Management in New England Northern Hardwoods written by and published by . This book was released on 1987 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Forestry related Nonpoint Source Pollution in Maine

Download or read book Forestry related Nonpoint Source Pollution in Maine written by Craig Stafford and published by . This book was released on 1996 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Publications of the Northeastern Forest Experiment Station  1985 and 1986

Download or read book Publications of the Northeastern Forest Experiment Station 1985 and 1986 written by Northeastern Forest Experiment Station (Radnor, Pa.) and published by . This book was released on 1987 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Solar Energy Update

Download or read book Solar Energy Update written by and published by . This book was released on 1984-12 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Hydrology and the Management of Watersheds

Download or read book Hydrology and the Management of Watersheds written by Kenneth N. Brooks and published by John Wiley & Sons. This book was released on 2012-12-26 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new edition is a major revision of the popular introductory reference on hydrology and watershed management principles, methods, and applications. The book's content and scope have been improved and condensed, with updated chapters on the management of forest, woodland, rangeland, agricultural urban, and mixed land use watersheds. Case studies and examples throughout the book show practical ways to use web sites and the Internet to acquire data, update methods and models, and apply the latest technologies to issues of land and water use and climate variability and change.

Book Environmental Impact of Water Resource Projects

Download or read book Environmental Impact of Water Resource Projects written by Larry W. Canter and published by CRC Press. This book was released on 2018-01-18 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the environmental impact of water resources projects. Information from literature related to the implementation of studies on water resources projects such as dams and reservoirs, channelization, and dredging are summarized. Other topics covered are methodologies, transport, and decision-making.

Book Australian Forestry

Download or read book Australian Forestry written by and published by . This book was released on 1936 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Monthly Catalogue  United States Public Documents

Download or read book Monthly Catalogue United States Public Documents written by and published by . This book was released on 1987 with total page 988 pages. Available in PDF, EPUB and Kindle. Book excerpt: