Results 1 - 10 of 13,262 for net primary production within all areas of the EPA. Only web pages are included. Search all document formats.

Show per page  
Ground-Based Validation of Remotely Sensed Estimates of Leaf Area and Net Primary Productivity in the Neuse/Albemarle Basins10-02-2006
Improved estimates of leaf area and net primary productivity are important for assessing biogenic emissions of ozone precursors and ... to our quantitative understanding of carbon sequestration and nitrogen cycling, net primary production, standing biomass, and a diversity of ecosystem processes.
http://cfpub.epa.gov/ncea/cfm/recordisplay.cfm?deid=52012 (HTML)
1999 Annual Report | Foliar Chemistry as an Indicator of Forest Ecosystem Status, Primary Production and Stream Water Chemistry
Strong relationships among whole stand level foliar canopy N, net primary productivity (NPP), and forest floor carbon:nitrogen (C:N) ratios exist ...
http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)
2000 Annual Report | Foliar Chemistry as an Indicator of Forest Ecosystem Status, Primary Production and Stream Water Chemistry
... 2000) R825865 (Final) Abstract: ESA Abstract Supplemental Keywords: forest ecosystem, primary production, nitrogen, indicator, cation supply, New Hampshire, NH, remote sensing, monitoring ...
http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)
More results from NCER abstracts »
Impacts on Quality of Inland Wetlands of the United States:A Survey of Indicators, Techniques, and Applications of Community Level Biomonitoring Data: Appendix B. Wetland Biomonitoring Sites, Referenced by State10-13-2008
"This is a list of wetland biomonitoring sites, referenced by state."
http://www.epa.gov/owow/wetlands/wqual/statebib.html (HTML)
Western Ecology Division | US EPA09-14-2007
... dominated coastal lagoon: How important are seagrasses to total ecosystem Net Primary Production... examine the contribution of autotrophic components to the total ecosystem net primary production (TENPP) of Lower L aguna Madre, Texas.
http://www.epa.gov/wed/pages/publications/abstracts/archive2002/kaldy0... (HTML)
Ecological Processes Team Research Plan12-05-2002
... ciliates) and macro-grazer ( e.g., copepods) effects on phytoplankton net biomass production (PNBP) and nutrient limitation of PNBP... The net growth rate and (u - r)B is the net rate of biomass production ...
http://www.epa.gov/ged/old/ept.htm (HTML)
EPA Exposure Research - Environmental Sciences Division Publications: 200403-04-2009
... to 90% of the variation in the above- ground forest net primary production (NPP... The primary goal of the program was to provide a generalized and regionally consistent LC product for use in a broad range of applications (Lunetta et ...
http://cfpub.epa.gov/ordpubs/nerlpubs/nerlpubs_esd_2004.cfm?ActType=Pu... (HTML)
General Guidelines for Wetlands Biological Characterization11-14-2008
"Provides information about general guidelines for wetlands biological characterization."
http://www.epa.gov/owow/wetlands/wqual/genguide.html (HTML)
Regulatory Impact Analysis for the National Primary Drinking Water Regulations: Disinfectants/Disinfection By-Products Rule| US EPA Regulatory Impact Analysis for the National Primary Drinking Water Regulations: Disinfectants/Disinfection By-Products Rule
This Regulatory Impact Analysis analyzes net benefits and considers the regulatory alternatives in light of a criterion of maximizing net benefits ... EPAADDEDTEXT Regulatory Impact Analysis for the National Primary Drinking Water Regulations: Disinfectants/Disinfection By-Products Rule.
http://yosemite.epa.gov/water/owrcCatalog.nsf/e673c95b11602f2385256ae1... (HTML)
Bioindicators for Assessing Ecological Integrity of Prairie Wetlands: Literature Cited10-13-2008
"Literature cited in the document "Bioindicators for Assessing Ecological Integrity of Prairie Wetlands.""
http://www.epa.gov/owow/wetlands/wqual/pph2_8.html (HTML)
Impacts on Quality of Inland Wetlands of the United States:A Survey of Indicators, Techniques, and Applications of Community Level Biomonitoring Data: 14.0 Literature Cited10-13-2008
"This section of the National Action Plan lists the cited literature"
http://www.epa.gov/owow/wetlands/wqual/litcit.html (HTML)

[Prev] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [Next]

Jump to main content.