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1. Nitrogen acquisition, assimilation and allocation in plants in Subantarctic and Antarctic ecosystems [ASAC_773]
In this study the nitrogen sources of plants were investigated for Macquarie Island in an ecosystem influenced by large amounts of animal-derived nitrogen. Different plant communities were studied ...


2. 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 ...


3. 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, ...


4. 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The results of published and unpublished experiments investigating the impacts of elevated carbon dioxide on the chemistry (nitrogen and lignin concentration) of leaf litter and the decomposition ...


5. 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 ...


6. 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) ...


7. 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 ...


8. 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 ...


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


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


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


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


13. 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.


14. BOREAS TE-09 PAR & Leaf Nitrogen Data for NSA, R1 [doi:10.3334/ORNLDAAC/342_1]
This data table contains data collected by TE09 on the relationship between PAR and foliage nitrogen in the canopies of NSA-OBS, NSA-UBS, NSA-YJP, NSA-OJP and NSA-OASP.


15. BOREAS TE-09 Photosynthetic Capacity and Foliage Nitrogen Data [doi:10.3334/ORNLDAAC/343_1]
Contains TE-09 data on the response of photosynthetic capacity to foliage nitrogen concentration and photosynthetic capacity in the canopies of Norther Study Area sites.


16. BOREAS TE-10 Leaf Chemistry Data [doi:10.3334/ORNLDAAC/345_1]
Leaf chemistry data collected by TE-10. Contains 3 granules: 1) biochemical data; 2) biochemical data on a per dry weight basis; and 3) biochemical carbon, hydrogen, and nitrogen data given on a per ...


17. 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.


18. Calculated Leaf Carbon and Nitrogen, 1992 (ACCP) [doi:10.3334/ORNLDAAC/420_1]
Study plot canopy chemistry values were calculated from leaf chemistry and litterfall weight values. Average leaf concentrations of nitrogen and carbon were used to investigate how reflectance varies ...


19. 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 ...


20. LBA-ECO CD-02 Carbon, Nitrogen, Oxygen Stable Isotopes in Organic Material, Brazil [doi:10.3334/ORNLDAAC/983_1]
This data set reports the measurement of stable carbon, nitrogen, and oxygen isotope ratios in organic material (plant, litter and soil samples) in forest canopy profiles and pasture (grasses and ...


21. 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 ...


22. 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, ...


23. 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 ...


24. 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) ...


25. LBA-ECO TG-07 Forest Soil P, C, and N Pools, km 83 Site, Tapajos National Forest [doi:10.3334/ORNLDAAC/1085_1]
This data set reports phosphorus (P), carbon (C), and nitrogen (N) nutrient pool concentrations for forest soils and roots and P pool concentrations for forest floor litter, soil solutions, and microbial ...


26. 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, ...


27. 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 ...


28. 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.


29. 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. ...


30. 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.


31. 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.


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


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


34. Nutrient transfer from penguin colonies to the vegetation at Cape Hallett: A measurement of the transfer of organic nitrogen in the form of ammonia [K024_2004_2006_NZ_3]
The transfer of nutrients from marine to terrestrial ecosystems are though to be important for vegetation. The transfer rate of organic nitrogen in the form of ammonia from the penguin colonies to ...


35. Breton Plots - University of Alberta, Canada [Canada_UofAlberta_BretonPlots]
This experiment began in 1930. The soils of the area have developed on sandstones and shales of freshwater origin. Soil formation was influenced by native vegetation consisting primarily of stands ...


36. Long Term Slurry on Grassland Experiment, Soil Organic Matter Network, Northern Ireland [DARD.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 ...


37. Woodslee Tile Runoff Rotation Experiment [CLBRR.CEF.AGR.Woodslee]
This experiment began in 1959 at cool temperate site in Canada. The measurments made (data available), methodology, and frequency are as follows: a) Vegetation measurements ...


38. 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 ...


39. 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. ...


40. 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. ...


41. 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 ...


42. Askov Long-Term Experiments on Animal Manure and Mineral Fertilizers - Lermarken [Denmark.Askov]
The ASKOV Long-term Experiments on Animal manure and Mineral Fertilizers began in 1894. This area was first cultivated around 1800, and was previously open mixed heath and deciduous scrubland. The ...


43. Bhubaneswar Centre, Orissa (All India Coordinated Research Project on Long Term Fertilizer Experiments) [India.Bhubaneswar]
This long term experiment began in 1972. The experimental site is a tropical area, with a minimum annual temperature of 14 deg C, maximum annual temperature of 37.5 deg C, and mean annual rainfall ...


44. Billa Billa Fallow Management Experiment, Queensland, Austrailia [QWRI.BillaBilla]
The Billa Billa Folow Management Experiment was initiated in 1983. The soil parent material at the site consists of cretaceous sediments (lithic sandstone). The native vegetation was cleared in 1971. ...


45. Biology of lichen communities in Antarctica. [CNDA-ESP_LIQ_PAD]   CHILD METADATA
In English: This dataset contains information on the registered data on studies of the biology of lichen communities in Antarctica. This dataset is also the parent record ...


46. Broadbalk Wheat Experiment, Soil Organic Matter Network (SOMNET), U.K. [IACR.Broadbalk]
This experiment began in 1843. The site was possibly farmed since Roman times (i.e at least 1500 years). Map of 1623 shows field in arable use. 1839-1843 arable crops: turnips, barley, peas, wheat, ...


47. Bryophyte species composition over moisture gradients in the Windmill Islands, East Antarctica; development of a baseline for monitoring climate change impacts [ASAC_1313_Baseline]   PARENT METADATA
This metadata record describes supplementary material to accompany the listed publication, and the data described in the paper and the supplementary material relates to AAS (ASAC) project 1313, as ...


48. Carbon Dioxide Enrichment: Data on the Response of Cotton to Varying CO2, Irrigation, and Nitrogen in Phoenix, Arizona, CDIAC NDP-037 [CDIAC_NDP37]
This data set contains results from field CO2-enrichment experiments conducted over five consecutive growing seasons, 1983-1987. These results comprise data concerning the effects of continuous CO2 ...


49. Carbon Sequestration by Switchgrass Managed as an Energy Crop [USDA0395]
The objective of the "Carbon Sequestration by Switchgrass Managed as an Energy Crop" dataset is to monitor carbon sequestration over time in switchgrass and to compare the economic and carbon sequestration ...


50. Carbon and nitrogen fixation rates from microbial mat populations in moraine ponds on the McMurdo Ice Shelf [K081_2004_2005_NZ_4]
Carbon and nitrogen fixation experiments were conducted on mats collected from 10 of the ponds on the McMurdo Ice Shelf near Bratina Island. Nitrogen fixation was determined via reduction of acetylene ...


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