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Municipal Wastewater Effects On Nitrogen Cycling In A Mature Hardwood Forest
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Book Synopsis Municipal Wastewater Effects on Nitrogen Cycling in a Mature Hardwood Forest by : Dong Yeob Kim
Download or read book Municipal Wastewater Effects on Nitrogen Cycling in a Mature Hardwood Forest written by Dong Yeob Kim and published by . This book was released on 1992 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Forest Harvesting on Nitrogen-cycling Processes in Headwaters of the Neversink River, New York by :
Download or read book Effects of Forest Harvesting on Nitrogen-cycling Processes in Headwaters of the Neversink River, New York written by and published by . This book was released on 1996 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Agronomy Abstracts written by and published by . This book was released on 1992 with total page 886 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Agrindex written by and published by . This book was released on 1995 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1991 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nitrogen Cycling in the Northern Hardwood Forest by : Lucas Emil Nave
Download or read book Nitrogen Cycling in the Northern Hardwood Forest written by Lucas Emil Nave and published by . This book was released on 2007 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Nitrogen (N) is the nutrient most limiting to plant growth (NPP) in temperate forests. In N-limited temperate forests, most of the N required for NPP is recycled between soil and plant N pools by the microbial process of N-mineralization (Nmin). However, human activities have increased atmospheric N deposition (Ndep) to forests in the last 50-100 years, and this surplus N may increase NPP. But, forest responses to Ndep are not satisfactorily understood, and depend on how atmospheric N inputs are partitioned between soils and plants. From my field data collection at a mature forest site, I estimated that NPP required 51 kg N ha−1 yr−1, most of which was used for fine root and leaf production (62% and 31%, respectively). Each year, Nmin supplied 87% of Nreq, and Ndep contributed an additional 13%, 4% of which was due to canopy retention of Ndep (Ncr). Data from my mesocosm 15N-labelling experiment suggested that very little (10%) of Ncr observed in the field was actually taken up by trees, and the majority of Ndep (85%) was assimilated into soil pools. These results suggest that Ndep could not have significantly increased forest NPP at UMBS over the time scale of my studies. My greenhouse experiment corroborated this conclusion, with tree seedlings showing no significant increase in photosynthesis or growth in response to Ndep at ambient rates. However, Ndep to forest ecosystems has been occurring for decades in industrialized regions, and most of the N inputs have been incorporated into soil organic matter (SOM). Research across temperate forests has suggested that forests exposed to large N inputs over time exhibit decreased soil C/N ratios, which are associated with faster Nmin rates. Using meta-analysis, I verified this pattern in the literature, and discovered novel relationships between forest soil properties and their responses to N inputs. My results demonstrated a long-term, quantitative relationship between Ndep and Nmin, and suggest that NPP may increase in temperate forests affected by Ndep.
Book Synopsis Department of Forest Resources Biennial Report by : University of Minnesota. Department of Forest Resources
Download or read book Department of Forest Resources Biennial Report written by University of Minnesota. Department of Forest Resources and published by . This book was released on 1991 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1992-11 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1981 with total page 832 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Chronic Nitrogen Additions on Carbon and Nitrogen Cycling in Two Tropical Forests by : Daniela Francis Cusack
Download or read book Effects of Chronic Nitrogen Additions on Carbon and Nitrogen Cycling in Two Tropical Forests written by Daniela Francis Cusack and published by . This book was released on 2009 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nitrogen Cycling in an Alluvial Swamp Forest by : Hansel D. Bradshaw
Download or read book Nitrogen Cycling in an Alluvial Swamp Forest written by Hansel D. Bradshaw and published by . This book was released on 1977 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1978 with total page 1276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Impact of Reduced Nitrogen Deposition on Nitrogen Cycling in Dutch Forest Ecosystems by : Chris Koopmans
Download or read book The Impact of Reduced Nitrogen Deposition on Nitrogen Cycling in Dutch Forest Ecosystems written by Chris Koopmans and published by . This book was released on 1996 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nitrogen Cycling in a Base-Poor and a Relatively Base-Rich Northern Hardwood Forest Ecosystem by : James Frederick Thorne
Download or read book Nitrogen Cycling in a Base-Poor and a Relatively Base-Rich Northern Hardwood Forest Ecosystem written by James Frederick Thorne and published by . This book was released on 1985 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Increased Nitrogen Deposition on Forest Soil Nitrogen Cycling and Microbial Community Structure by : Matthew David Wallenstein
Download or read book Effects of Increased Nitrogen Deposition on Forest Soil Nitrogen Cycling and Microbial Community Structure written by Matthew David Wallenstein and published by . This book was released on 2004 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Ponderosa Pine Forest Establishment on Nitrogen Cycling in the Nebraska Sandhills by : Xiaoping Ding
Download or read book Effects of Ponderosa Pine Forest Establishment on Nitrogen Cycling in the Nebraska Sandhills written by Xiaoping Ding and published by . This book was released on 2002 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transactions of the ASAE. by : American Society of Agricultural Engineers
Download or read book Transactions of the ASAE. written by American Society of Agricultural Engineers and published by . This book was released on 1994 with total page 996 pages. Available in PDF, EPUB and Kindle. Book excerpt: