2 edition of Nitrogen budget of a North Carolina estuary found in the catalog.
Nitrogen budget of a North Carolina estuary
William G. Harrison
1974 by Water Resources Research Institute of the University of North Carolina in Raleigh .
Written in English
|Statement||William G. Harrison, John E. Hobbie.|
|Series||Report - Water Resources Research Institute of the University of North Carolina ; no. 86, Report (Water Resources Research Institute of the University of North Carolina) ;, no. 86.|
|Contributions||Hobbie, John E., joint author.|
|LC Classifications||HD1694.N8 N6 no. 86, GC97 N6 no. 86|
|The Physical Object|
|Pagination||172 p. :|
|Number of Pages||172|
|LC Control Number||74622130|
Thus, if fertilizer nitrogen is a source of pollution, it is typically from leaching or subsurface drainage. San Francisco, Cal. We found stoichiometric predictors of phytoplankton community nutrient limitations e. Nitrogen, phosphorus, and eutrophication in the coastal marine environment.
Pollution sources and loads in the lower Hudson River. These results suggest that N-budgets based on DIN uptake rates alone may under estimate phytoplankton N uptake. Johnson, S. Experiments compared the response to an increase or decrease in the concentration of a limiting nutrient and the addition of all probable limiting compounds except that nutrient. Guard against overapplication before planting because this practice may contaminate water with excess nitrate nitrogen just before the crop enters a period of rapid growth.
Relative contribution of nutrients to the Potomac River basin from various sources. The uptake rates of ammonium, nitrate and urea were measured during the spring, summer and autumn in the NRE. Athens, Ga. Garside, C. In recent years, the quality of this valuable resource has been declining because of human waste contamination, draining of wetlands, increased near-stream development, and agricultural and urban runoff. Water Pollution Control, 75 3 : —
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These basins can then be selected for analysis at the sub-basin, or watershed, scale. Click on image for more details.
Richardson, D. Of these, nitrogen and phosphorus are the most essential for aquatic plants. Organisms living in estuarine environments must be able to cope with changing salinity levels otherwise they may not survive. Google Scholar 4. Proceedings of the National Academy of Science.
The distribution of each crop type in each sub-basin was determined by overlaying county and watershed boundaries onto the LANDSAT cover information and then combining this information with county-level agricultural statistics. Biologically mediated nitrogen cycling in the Neuse River Estuary.
This approach attempts to account for and balance the input, output, and storage of nutrients in the system. Uptake rates of ammonium, nitrate and urea were measured during the spring, summer and autumn in the eutrophic, nitrogen N limited Neuse River Nitrogen budget of a North Carolina estuary book, North Carolina.
Environmental Protection Agency. Environmental Protection Agency Report No. Noble, M. Negligible activity was found in surface waters. King, S. This presents a spatial perspective that the state can use to identify critical areas for the TMDL Nitrogen budget of a North Carolina estuary book.
The favorable response of the Potomac estuary to phosphorus control demonstrates that excessive eutrophic conditions may be alleviated with advanced wastewater treatment, depending on many factors including nutrient loadings. These data have already helped scientists gain a better understanding of how environmental conditions fluctuate in estuaries.
The nutrient mass contained in the storage term was assumed to be associated with soil, groundwater, and biomass. A uniform distribution of livestock was assumed in allocating county loading values to each sub-basin. San Francisco, Cal.
Considerable loss of nitrogen may occur if heavy rains immediately follow a surface application of fertilizer on a moist soil surface, particularly in the sloping soils of the piedmont and mountains.Researchers using a new forecasting tool say lower than normal levels of dissolved oxygen are likely this summer in the Neuse River estuary, creating conditions favorable for fish kills, according to North Carolina Sea Grant.
A team that includes researchers from North Carolina State University and University of North Carolina Chapel Hill has developed an experimental model to study the. May 10, · One of the main messages from PREP’s State of Our Estuaries Report is that nitrogen is a “critical stressor” on the health of Great Bay.
Nitrogen levels in the Great Bay estuary are nearly three times higher than the thresholds for healthy. Importance of atmospherically deposited nitrogen to the annual nitrogen budget of the Neuse River estuary, North Carolina Article in Environment International 29() · July with 26 Reads.Nitrogen Loading Sources and Eutrophication of the Neuse River Estuary, North Carolina: Direct and Indirect Roles of Atmospheric DepositionCited by: Jan 01, · North Carolina State University and North Carolina A&T State University commit themselves to positive action to secure equal opportunity regardless of race, color, creed, national origin, religion, sex, age, veteran status or disability.
In addition, the two Universities welcome all persons without regard to sexual orientation.May 10, ebook One of the main messages from PREP’s State of Our Estuaries Report is that nitrogen is a “critical stressor” on the health of Great Bay. Nitrogen levels in the Great Bay estuary are nearly three times higher than the thresholds for healthy .