Search Results - "Raynal, Dudley J."

Use of Nitrogen to Phosphorus Ratios in Plant Tissue as an Indicator of Nutrient Limitation and Nitrogen Saturation by Tessier, Jack T., Raynal, Dudley J.

“…1. Ratios of nitrogen to phosphorus (N:P) in plant foliage have been used to assess nutrient limitation in wetland ecosystems and to indicate nitrogen…”
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Effects of acidic deposition on forest and aquatic ecosystems in New York State by Driscoll, Charles T, Driscoll, Kimberley M, Mitchell, Myron J, Raynal, Dudley J

“…Elevated inputs of acidic deposition have deleterious effects on forest and aquatic ecosystems in New York. Acidic deposition is comprised of sulfuric and…”
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Biodiversity and conservation of Turkish forests by Kaya, Zeki, Raynal, Dudley J

“…The rapid human population growth of Turkey and associated demands on natural resources threaten the biodiversity of the nation's natural ecosystems, including…”
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Symbiont nitrogenase, alder growth, and soil nitrate response to phosphorus addition in alder ( Alnus incana ssp. rugosa) wetlands of the Adirondack Mountains, New York State, USA by Gökkaya, Kemal, Hurd, Todd M., Raynal, Dudley J.

“…Speckled alder ( Alnus incana ssp. rugosa) is a characteristic species of scrub-shrub 1-type wetlands, the second most common wetland type in major watersheds…”
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Biogeochemistry of a forested watershed in the central Adirondack Mountains: temporal changes and mass balances by Mitchell, M.J, Raynal, D.J, Driscoll, C.T

“…Temporal changes in element transport were estimated from data gathered between 1983 and 1992 from the Arbutus catchment in the Andirondack mountains, from…”
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Influence of nutrient availability and tree wildling density on nutrient uptake by Oxalis acetosella and Acer saccharum by Tessier, Jack T., McNaughton, Samuel J., Raynal, Dudley J.

“…Loss of nutrients following pulses of nutrient input in northern hardwood forests and the general effects of atmospheric deposition on forest communities are…”
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Vernal nitrogen and phosphorus retention by forest understory vegetation and soil microbes by Tessier, J.T, Raynal, D.J

“…Northern hardwood forests experience annual maximal loss of nutrients during spring. The vernal dam hypothesis predicts that spring ephemeral herbs in northern…”
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A 23-Year Assessment of Vegetation Composition and Change in the Adirondack Alpine Zone, New York State by Robinson, Sean C, Ketchledge, Edwin H, Fitzgerald, Brian T, Raynal, Dudley J, Kimmerer, Robin W

“…The Adirondack Mountains of New York State hold some of the southernmost communities of alpine vegetation in the eastern United States. Containing the greatest…”
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Fine root growth phenology, production, and turnover in a northern hardwood forest ecosystem by Burke, M.K. (State Univ. of New York, Syracuse, NY (USA). Coll. of Environmental Science and Forestry), Raynal, D.J

“…A large part of the nutrient flux in deciduous forests is through fine root turnover, yet this process is seldom measured. As part of a nutrient cycling study,…”
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Comparison of nitrogen solute concentrations within alder (Alnus incana ssp. rugosa) and non-alder dominated wetlands by Hurd, Todd M., Raynal, Dudley J.

“…This study examined differences in nitrogen solutes and groundwater flow patterns between a riparian wetland dominated by the N2‐fixing shrub, Alnus incana…”
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Nitrogen biogeochemistry in the Adirondack Mountains of New York: hardwood ecosystems and associated surface waters by Mitchell, Myron J., Driscoll, Charles T., Inamdar, Shreeram, McGee, Greg G., Mbila, Monday O., Raynal, Dudley J.

“…Factors that regulate the fate of atmospherically deposited nitrogen to hardwood forests and subsequent transport to surface waters in the Adirondack region of…”
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Role of within-lake processes and hydrobiogeochemical changes over 16 years in a watershed in the Adirondack Mountains of New York State, USA by Mitchell, Myron J., McHale, Patrick J., Inamdar, Shreeram, Raynal, Dudley J.

“…Hydrological and biogeochemical relationships were evaluated for the Arbutus Watershed in the Adirondack Mountains of New York State. Wet‐only precipitation…”
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NITROGEN SOURCES IN ADIRONDACK WETLANDS DOMINATED BY NITROGEN-FIXING SHRUBS by Hurd, Todd M., Gökkaya, Kemal, Kiernan, Brian D., Raynal, Dudley J.

“…In the Adirondack region of northern New York, USA, Alnus incana ssp. rugosa and Myrica gale often dominate wetland shrub communities and fix nitrogen in…”
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Nitrogen Biogeochemistry of Three Hardwood Ecosystems in the Adirondack Region of New York by Mitchell, Myron J., Driscoll, Charles T., Owen, Jeffrey S., Schaefer, Douglas, Michener, Robert, Raynal, Dudley J.

“…The biogeochemistry of nitrogen (N) was evaluated for three forest ecosystems [Woods Lake (WL), Pancake-Hall Creek (PHC) and Huntington Forest (HF)] in the…”
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Changes in base cation deposition across New York State and adjacent New England following implementation of the 1990 Clean Air Act amendments by Tessier, Jack T., Masters, Raymond D., Raynal, Dudley J.

“…To reduce atmospheric deposition, in 1990 Congress passed amendments to the Clean Air Act requiring electric utility power plants to decrease emissions of…”
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Response of swallow-wort to herbicides by Lawlor, Frances M., Raynal, Dudley J.

“…The exotic plant, swallow-wort, a twining perennial of the Milkweed family, has become increasingly invasive in natural areas, successional old fields, and…”
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ENVIRONMENTAL INFLUENCES ON PLANT SPECIES COMPOSITION IN GROUND-WATER SEEPS IN THE CATSKILL MOUNTAINS OF NEW YORK by Hall, Brian R., Raynal, Dudley J., Leopold, Donald J.

“…Ground-water seeps in the Catskill Mountains are important water sources for streams and often have different chemistry than nearby surface water. Many studies…”
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Liming influences growth and nutrient balances in sugar maple ( Acer saccharum) seedlings on an acidic forest soil by Burke, Marianne K, Raynal, Dudley J

“…Forests in the northeastern US have been limed to mitigate soil acidification and the acidity of surface waters and to improve soil base cation status. Much of…”
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Forest decline and acidic deposition by Pitelka, Louis F., Raynal, Dudley J.

“…The problems of acidic deposition (acid rain) and unexplained forest decline in Europe and North America have attracted increase attention. Forest decline…”
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Short-term responses of wetland vegetation after liming of an Adirondack watershed by Mackun, Irene R., Leopold, Donald J., Raynal, Dudley J.

“…Watershed liming has been suggested as a long-term mitigation strategy for lake acidity, particularly in areas subject to high levels of acidic…”
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