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197 Titles Match Your Query
Showing 1 through 50 of 197 Next
1. 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 ...


2. 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 ...


3. 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. ...


4. 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. ...


5. 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 ...


6. 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 ...


7. 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.


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


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


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


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


12. 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.


13. 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.


14. 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 ...


15. 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. ...


16. 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 ...


17. 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, ...


18. 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 ...


19. 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, ...


20. 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 ...


21. 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 ...


22. 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 ...


23. 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 ...


24. 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 ...


25. Combination Trial F1-70, Soil Organic Matter in Cropland Experiment, Germany. [MLU.F1-70]
This experiment was initiated in 1967. The crops grown are potatoes, winter wheat,winter barley,sugar beet,spring barley. The treatments are: Stable manure at 4 rates on potatoes & sugar beet; mineral ...


26. Crop Residue Decomposition as Affected by Soil Erosion and Tillage, USDA-ARS [USDA.ARS.CPCRC.ResidueDecomp]
This data set is a result of a study to determine the rates of different crop residue decomposition (clover and wheat), under two different cropping regimes (grain sorghum plots with: no till and ...


27. Crop Rotation/Fertilization Trial F1-07, Germany [MLU.Seehausen]
This experiment began in 1958. The experimental site is in the Eastern German continental climate in the Leipzig Basin. The average climatic conditions at the experimental site are: Minimum ...


28. Crop Yield to Crop and Soil Nutrient Element Status [USDA0405]
The purpose of the "Crop Yield to Crop and Soil Nutrient Element Status" study is to establish fertilizer requirements for major crops; evaluate soil and plant analysis procedures; correlate yield ...


29. Czarny Potok, Soil Organic Matter Experiment, Poland [ARK.Czarny]
This experiment began in 1968 on a natural grassland area of Poland. The site was arable crops to 1945 and later returned to grassland. The land use of this area is permanent meadow now. Treatments ...


30. Deherain Plots, Long Term Cropping/Soil Experiment, France [INRA.Deherain]
The Deherain long-term field experiment was started in 1875 to study the impact of fertilization on crop yield. Before 1875, the soil was cultivated with alfalfa without fertilization. Between 1929 ...


31. Denitrifying Activity in Deep Soil Profiles [USDA0406]
The "Denitrifying Activity in Deep Soil Profiles" dataset contains data on what factors control denitrifying activity in deep soil profiles. Its purpose is to evaluate an N-based method for measuring ...


32. Distribution of Dissolved Pesticides and Other Water Quality Constituents in Small Streams, and their Relation to Land Use, Willamette River Basin, Oregon [WRIR_97_4268]
Water quality samples were collected at sites in 16 randomly selected agricultural and 4 urban subbasins as part of Phase III of the Willamette River Basin Water Quality Study in Oregon during 1996. ...


33. EM89 - Pinus radiata Plantation Organic Matter Experiment, Austrailia [CSIRO.TRC.EM89]
This experiment began in 1985. The site was previously a native eucalypt forest, but has been a Pinus radiata plantation for 47 years. There are four treatments as follows: 1) Slash and ...


34. Ecophysiology (CO2 / O2 exchange, nitrogen fixation rates and chlorophyll a levels) of endolithic algae from Marble Point, Antarctica [K024_1979_1980_NZ_2]
Rocks containing endolithic algae were collected from the Marble Point area. Infra-red gas analysis and Warburg Manometry studies were carried out to ascertain carbon dioxide and oxygen exchange. ...


35. Effects of CO2 and Nitrogen Fertilization on Growth and Nutrient Content of Juvenile Ponderosa Pine (ORNL/CDIAC-107, NDP-061A) [CDIAC_NDP061A]
This data set presents measured values of plant diameter and height, biomass of plant components, and nutrient (carbon, nitrogen, phosphorus, sulfur, potassium, calcium, magnesium, boron, copper, ...


36. 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 ...


37. Effects of Lime and Crop Residue on Soil Fertility and Crop Yield on Acidic soil under Rice-Rice-Soybean, Taiwan [KDAIS.TaiwanRice]
SITE HISTORY For more than 20 years before the experiment began in 1974, paddy rice was the crop grown on the experimental site. The experimental site is located in the Pintung Plain of Southern ...


38. Effects of Nitrogen and Phosphorus Fertilization on Alpine Plant Species Composition [brdlter0030]
Supplementary Information: The information for the abstract, investigator, Geographic Description: The study plots were located just south of the Niwot Ridge Saddle, in the City of Boulder Watershed. ...


39. Effects of Nitrogen and Phosphorus Fertilization on Alpine Plant Species Composition: Summary Data [lternwt0031]
Supplementary Information: The information for the abstract, investigator, Geographic Description: The study plots were located just south of the Niwot Ridge Saddle, in the City of Boulder Watershed.


40. Effects of Nutrient Transport in Cropping Systems in Environmental Quality and Fertilizer Efficiency [USDA0519]
The purpose of "Effects of Nutrient Transport in Cropping Systems in Environmental Quality and Fertilizer Efficiency" is to assess dynamic nitrogen (N) transport in high-residue conservation-tilled ...


41. Fluxes of Nitrogen Oxide and Methane from Nitrogen Amended Soils in the Colorado Alpine [lternwt0029]
In order to determine the effect of increased nitrogen availability on fluxes of N2O and CH4 from alpine soils, we measured fluxes of these gases from fertilized and unfertilized soils in two alpine ...


42. Glen Innes Rotation Experiment, Long Term Soil Organic Matter Study, Australia [WWAI.GlenInnes]
This study was initiated in 1921 in cool temperate region. the soil is described as Prairie - Australian Great Soil Group (ref Stace HCT, Hubble GD, Brewer R, Northcote KH, ...


43. Growth and Chemical Responses to CO2 Enrichment - Virginia Pine (Pinus Virginiana Mill.), CDIAC NDP-009 [CDIAC_NDP9]
Growth and chemical responses of Virginia pine grown in open-top growth chambers at elevated CO2 concentrations (+0, +75, +150, +300, +600 ppmv) were evaluated over a four-month period. The seedlings ...


44. Hoosfield Continuous Barley Long Term Trial, Rothamsted [IACR.Hoosfield]
This experiment began in 1852 at Rothamsted, England. The site was occupied (farmed?) since Roman times. Map of 1623 shows field in arable. Arable crops 1847-1851. Clay-with-flints overlying chalk; ...


45. Hungarian Long-term Fertilizer Experimental Network, Bicserd [PUAS.Bicserd]
This experiment began in 1966 on a site that was originally forested. Later, the crops at the site were maize,soya,pea,wheat,maize. Tha land uses in the experiment are: Rotation 1 - wheat,maize,maize,pea; ...


46. Hungarian Long-term Fertilizer Experimental Network, Hajduboszormeny [PUAS.Hajdub]
This experiment began in 1966 on a site that was originally steppe. Later, the crops at the site were maize,wheat,wheat (pea),maize. The land uses in this experiment are: Rotation 1 - wheat,maize,maize,pea; ...


47. Hungarian Long-term Fertilizer Experimental Network, Iregszemcse [PUAS.Iregs]
This experiment began in 1966 on a site that was originally forested. Later, the site had wheat,bean sunflower,maize,(wheat,pea) growing on it. Land use in this experiment consists of: Rotation 1 ...


48. Hungarian Long-term Fertilizer Experimental Network, Karcag [PUAS.Karcag]
This experiment began in 1966 on a site that was originallt steppe. Later, the crops at the site were wheat, sugar beet, lucerne, maize, and pea. The land uses in the experiment are: Rotation 1: ...


49. Hungarian Long-term Fertilizer Experimental Network, Keszthely [PUAS.Keszthely]
This experimnet was started in 1966 on a site that was originally forested. Later, the the crops at the site were wheat, barley, maize (sunflower), pea, (wheat). Tha land uses in the experiment ...


50. Hungarian Long-term Fertilizer Experimental Network, Kompolt [PUAS.Kompolt]
This experiment was started in 1966 in an area that was originally steppe-forest. Later, the crops were sainfoin,sainfoin,wheat,barley,pea (wheat). The land uses in the experiment are: Rotation ...


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