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196 Titles Match Your Query
Showing 1 through 50 of 196 Next
1. IAI-FinalReport_ISP1_003 Nitrogen Transport and Transformations: A Regional and Global Analysis [IAIDIS436]
This dataset refers to the Final Report of the ISP round I project number 003, which has the name "NITROGEN TRANSPORT AND TRANSFORMATIONS: A REGIONAL AND GLOBAL ...


2. Chesapeake Bay Program Nutrient Point Source Database [CBP_PSDB]
The Chesapeake Bay Program Nutrient Point Source Database contains data from about 600 nutrient dischargers in the Bay watershed. This database provides facility information, average flow data, average ...


3. A Global Data Set of Leaf Photosynthetic Rates, Leaf N and P, and Specific Leaf Area [doi:10.3334/ORNLDAAC/1224_1]
This global data set of photosynthetic rates and leaf nutrient traits was compiled from a comprehensive literature review. It includes estimates of Vcmax (maximum rate of carboxylation), Jmax (maximum ...


4. BOREAS RSS-04 1994 Jack Pine Leaf Biochemistry and Modeled Spectra in the SSA [doi:10.3334/ORNLDAAC/292_1]
Contains sample values and mean values of needle biochemistry data taken at jack pine sites in the SSA.


5. BOREAS TE-02 Foliage Respiration Data [doi:10.3334/ORNLDAAC/315_1]
Contains foliage respiration data collected by TE-02.


6. BOREAS TE-02 Root Respiration Data [doi:10.3334/ORNLDAAC/316_1]
Contains fine root respiration data collected by TE-02.


7. BOREAS TE-02 Stem Growth & Sapwood Data [doi:10.3334/ORNLDAAC/317_1]
Contains stem growth and sapwood data collected by TE-02.


8. BOREAS TE-09 Leaf Biochemistry Averages [doi:10.3334/ORNLDAAC/339_1]
Contains values of canopy biochemistry derived by the TE-09 team.


9. BOREAS TE-09 Leaf Biochemistry Point Data [doi:10.3334/ORNLDAAC/340_1]
Contains sample measurements of the canopy biochemistry measured by the TE-09 team.


10. BOREAS TGB-08 Monoterpene Concentration Data over the SSA-OBS and the SSA-OJP [doi:10.3334/ORNLDAAC/392_1]
Contains monoterpene emission and concentration data collected by the TGB-08 BOREAS science group.


11. Biome-BGC: Modeling Carbon Dynamics in Ponderosa Pine Stands (Law et al. 2003) [doi:10.3334/ORNLDAAC/809_1]
This archived model product contains the directions, executables, and procedures for running Biome-BGC, Version 4.1.2, to recreate the results of the following article: Law, B. E., O. J. Sun, J. Campbell, ...


12. Effects of Elevated Carbon Dioxide on Litter Chemistry and Decomposition [doi:10.3334/ORNLDAAC/651_1]
The results of published and unpublished experiments investigating the impacts of elevated carbon dioxide on the chemistry (nitrogen and lignin concentration) of leaf litter and the decomposition ...


13. LBA-ECO CD-02 C and N Isotopes in Leaves and Atmospheric CO2, Amazonas, Brazil [doi:10.3334/ORNLDAAC/1097_1]
This data set reports delta 13C/12C results for leaf tissues and atmospheric carbon dioxide (CO2), delta 15N/14N ratios for leaf tissue, and leaf carbon and nitrogen concentrations along a topographical ...


14. LBA-ECO CD-02 Leaf Level Gas Exchange, Chemistry, and Isotopes, Amazonia, Brazil [doi:10.3334/ORNLDAAC/1010_1]
This data set reports leaf gas flux and leaf properties from samples collected from trees, liana, pasture saplings, and pasture grass located at eight different sampling locations in the states of ...


15. LBA-ECO CD-08 Leaf Carbon, Nitrogen, LAI, and Isotope Data, Manaus, Brazil: 2001 [doi:10.3334/ORNLDAAC/1245_1]
This data set provides measurements for carbon (C), nitrogen (N), leaf area index (LAI), and carbon isotope ratio data (13C and 14C) of leaves sampled at the Manaus ZF2 Jacaranda transect area, Amazonas, ...


16. LBA-ECO CD-09 Soil and Vegetation Characteristics, Tapajos National Forest, Brazil [doi:10.3334/ORNLDAAC/1104_1]
This data set reports the results of soil and vegetation surveys at four distinct areas within the Tapajos National Forest (TNF), 50 to 100 km south of Santarem, Para, Brazil, in November 1999. At ...


17. LBA-ECO LC-21 Foliar Nutrients, Logged Areas, Tapajos Forest, Para, Brazil: 2003 [doi:10.3334/ORNLDAAC/1234_1]
This data set provides measurements for foliar nutrients from logging blocks in the Tapajos National Forest, Para Western Santarem, Brazil. Data are included for calcium (Ca), phosphorus (P), magnesium ...


18. LBA-ECO ND-07 Carbon and Nitrogen in Cerrado Plants and Soils, Brasilia: 1999-2000 [doi:10.3334/ORNLDAAC/1121_1]
This data set provides (1) delta 15N ratios and nitrogen concentrations for foliar samples and (2) delta 13C and delta 15N ratios as well as carbon and nitrogen concentrations for soil samples collected ...


19. LBA-ECO ND-11 Litter Decomposition, Carbon, and Nitrogen Dynamics in Agroforestry [doi:10.3334/ORNLDAAC/915_1]
This data set contains the results of an experiment to determine litter decomposition and dynamics of carbon and nitrogen release from plant litter of differing qualities which occur in combination ...


20. LBA-ECO ND-30 Nutrient Analysis and Gas Fluxes, Forest Chronosequences, Para, Brazil: [doi:10.3334/ORNLDAAC/1129_1]
This data set provides fine litterfall mass and nutrient concentrations from samples collected at chronosequences established at Sao Francisco do Para and Capitao Poco, Para, Brazil. Nitrogen (N) ...


21. LBA-ECO TG-07 Litter Decomposition, Tapajos National Forest, Para, Brazil: 2000-2001 [doi:10.3334/ORNLDAAC/925_1]
The goal of this study was to determine the effects of soil phosphorus (P) status on litter decomposition rates using two factors: soil texture (with associated differences in soil P pools) and fertilization, ...


22. LBA-ECO TG-08 Soil Gas Flux after Forest and Pasture Fertilization, Rondonia, Brazil [doi:10.3334/ORNLDAAC/1105_1]
This data set provides nitric oxide (NO), nitrous oxide (N2O), carbon dioxide (CO2) flux measurements, nitrogen (N) and phosphorus (P) pools, net N mineralization and nitrification rates, and measurements ...


23. Leaf Chemistry, 1992-1993 (ACCP) [doi:10.3334/ORNLDAAC/421_1]
Carbon and nitrogen concentrations of fresh forest foliage were determined. Results were used to calibrate Visible/NIR reflectance for estimation of canopy carbon and nitrogen.


24. Literature-Derived Parameters for the BIOME-BGC Terrestrial Ecosystem Model [doi:10.3334/ORNLDAAC/652_1]
Various aspects of primary production of a variety of plant species found in natural temperate biomes were compiled from literature and presented for use with process-based ecosystem simulation models ...


25. Mowing Experiment Biophys. Data (FIFE) [doi:10.3334/ORNLDAAC/55_1]
Plant biomass data where grazing height or frequency were simulated by mowing


26. SAFARI 2000 Plant and Soil C and N Isotopes, Southern Africa, 1995-2000 [doi:10.3334/ORNLDAAC/783_1]
This data set contains measurements of the concentration and stable carbon (13C/12C) and nitrogen (15N/14N) isotope ratios of plant (leaves, roots and fungi) and soil samples from southern Africa. ...


27. Seedling Canopy Chemistry, 1992-1993 (ACCP) [doi:10.3334/ORNLDAAC/422_1]
The nitrogen and chlorophyll concentrations of constructed Douglas-fir and bigleaf maple seedling canopies were determined. Canopy reflectance spectra were measured before foliage samples were collected.


28. Standing Crop & Nitrogen Content (FIFE) [doi:10.3334/ORNLDAAC/118_1]
Biomass weight & nitrogen content for plants collected along transects & dried


29. NASA Land Information System (LIS) Data Sets [NASA_LIS_DATA]
The Land Information System (LIS) provides collection of sample data for demonstration of LIS code. The original source of each data set is given whenever possible. LIS does not endorse the validity, ...


30. Long-Term Ecological Research (LTER)/CDR014: Monoculture and Competition Gardens at Cedar Creek Natural History Area [LTER_CDR014]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR014 [Summary adapted from the LTER Core Data Set Catalog]: This experiment ...


31. Long-Term Ecological Research (LTER)/CDR015: Effect of NH4NO3 and Light Shading on Vegetation (UNFLN) at Cedar Creek Natural History Area [LTER_CDR015]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR015 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


32. Long-Term Ecological Research (LTER)/CDR017: Effect of Nitrogen Levels on Vegetation at Cedar Creek Natural History Area [LTER_CDR017]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR017 [Summary adapted from the LTER Core Data Set Catalog]: There are four ...


33. Long-Term Ecological Research (LTER)/HBR012: Revegetation Surveys on a Disturbed Watershed (WS 2) at the Hubbard Brook [LTER_HBR012]
LTER - Long-Term Ecological Research Program/Hubbard Brook Experimental Forest (HBEF). LTER/HBR012: During the winter of 1965-1966, watershed 2 at HBEF was clearcut and all trees left on site. During ...


34. AmeriFlux CO2, Water Vapor, and Energy Exchange from Native Tallgrass Prairie Site Near Shidler, Oklahoma, 1996-1997 [AMERIFLUX_SHIDLER-CDIAC]
The tallgrass site near Shidler, Oklahoma is part of the AmeriFlux network of field research projects measuring the exchange of carbon dioxide (CO2) between terrestrial ecosystems and the atmosphere. ...


35. AmeriFlux CO2, Water Vapor, and Energy Exchange from a Wheat Site Near Ponca, Oklahoma 1996-1997 [AMERIFLUX_PONCA_CDIAC]
The wheat site near Ponca, Oklahoma is part of the AmeriFlux network of field research projects measuring the exchange of carbon dioxide (CO2) between terrestrial ecosystems and the atmosphere. ...


36. Walker Branch Watershed, AmeriFlux CO2, Water Vapor, and Energy Exchange Oak Ridge National Laboratory, TN 1995-1998 [AMERIFLUX_WBW_CDIAC]
The Walker Branch Watershed (WBW), Tennessee is part of the AmeriFlux network of field research projects measuring the exchange of carbon dioxide (CO2) between terrestrial ecosystems and the atmosphere. ...


37. Long-Term Ecological Research (LTER)/HFR004: Ecosystem Response to Chronic Nitrogen Additions [LTER_HFR004]
HFR004: Nitrogen is being added as ammonium nitrate at rates of 50 and 150 kg/ha-yr in oak-maple and red pine stands. Measurements include nitrogen mineralization, litter decomposition, tree growth, ...


38. Long-Term Ecological Research (LTER)/KBS003: Kellogg Biological Station Baseline Variability Study [LTER_KBS003]
LTER - Long-Term Ecological Research Program/Kellogg Biological Station (KBS) LTER/KBS003 [Summary adapted from the LTER Core Data Set Catalog]: Results from a study of spatial variability conducted ...


39. Long-Term Ecological Research (LTER)/KBS013: Nitrous Oxide (N2O) and CO2 Fluxes from Cropped and Early Successional Communities [LTER_KBS013]
LTER - Long-Term Ecological Research Program/Kellogg Biological Station (KBS) LTER/KBS013 (Summary adapted from the LTER Core Data Set Catalog): Results from a study of N2O and CO2 fluxes from soybean/corn ...


40. NACP TERRA-PNW: Forest Plant Traits, NPP, Biomass, and Soil Properties, 1999-2014 [doi:10.3334/ORNLDAAC/1292_1]
This data set contains measurements and estimates of leaf, tree, and soil data from six projects conducted by the Terrestrial Ecosystem Research and Regional Analysis- Pacific Northwest (TERRA-PNW) ...


41. Plum Island Ecosystem LTER site - Ipswich River Dissolved Dataset [lterpieipswdiss]
The Plum Island Ecosystem (PIE) research site is part of the National Science Foundation's (NSF) Long Term Ecological Research (LTER) Network. PIE-LTER research is conducted by scientists from the ...


42. Plum Island Ecosystem LTER site - Ipswich River Particulate Dataset [lterpieipswpart]
The Plum Island Ecosystem (PIE) research site is part of the National Science Foundation's (NSF) Long Term Ecological Research (LTER) Network. PIE-LTER research is conducted by scientists from the ...


43. Plum Island Ecosystem LTER site - Parker River Dissolved Dataset [lterpieparkdiss]
The Plum Island Ecosystem (PIE) research site is part of the National Science Foundation's (NSF) Long Term Ecological Research (LTER) Network. PIE-LTER research is conducted by scientists from the ...


44. Plum Island Ecosystem LTER site - Parker River Particulate Dataset [lterpieparkpart]
The Plum Island Ecosystem (PIE) research site is part of the National Science Foundation's (NSF) Long Term Ecological Research (LTER) Network. PIE-LTER research is conducted by scientists from the ...


45. Plum Island Ecosystem LTER site Datasets [lterpieparent]
The Plum Island Ecosystem (PIE) research site is part of the National Science Foundation's (NSF) Long Term Ecological Research (LTER) Network. PIE-LTER research is conducted by scientists from the ...


46. VEMAP 2: Annual Ecosystem Model Responses to U.S. Climate Change, 1994-2100 [doi:10.3334/ORNLDAAC/766_1]
Phase 2 of the VEMAP Project developed historical (1895-1993) gridded data sets of climate (temperature, precipitation, solar radiation, humidity, and wind speed) and projected (1994-2100) gridded ...


47. VEMAP 2: Monthly Ecosystem Model Responses to U.S. Climate Change, 1994-2100 [doi:10.3334/ORNLDAAC/767_1]
Phase 2 developed historical (1895-1993) gridded data sets of climate (temperature, precipitation, solar radiation, humidity, and wind speed) and projected (1994-2100) gridded annual and monthly climate ...


48. Long Term Slurry on Grassland Experiment, Soil Organic Matter Network, Northern Ireland - DANI.Slurry [DANI.Slurry]
This experiment was initiated in 1970 at a site that was originally temperate deciduous woodland. It then was an estate farm until the agricultural institute founded in 1926. The area ...


49. A Study of the Nitrogen-fixing Microbiota of Macquarie Island Plant Communities [ASAC_194]
The nitrogen fixing biota of Macquarie Island are dominated by cyanobacteria growing epiphytically or symbiotically with plants or lichens. Highest rates of acetylene reduction (N-fixation) were found ...


50. Arctic Plant and Ecosystem Respiration [arctic_plant_and_ecosystem_respiration]
Measurements of leaf, wood, moss, lichen, root and whole ecosystem respiration made in tussock tundra near Imnavait Creek during the growing seasons of 2010, 2011 and 2012. Measurements were made ...


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