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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 Global Database of Carbon and Nutrient Concentrations of Green and Senesced Leaves [doi:10.3334/ORNLDAAC/1106_1]
This data set provides carbon (C), nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), and magnesium (Mg) concentrations in green and senesced leaves. Vegetation characteristics reported include ...

3. Global Distribution of Fine Root Biomass in Terrestrial Ecosystems [doi:10.3334/ORNLDAAC/658_1]
A global data set of root biomass, rooting profiles, and concentrations nutrients in roots was compiled from the primary literature and used to study distributions of root properties. This data set ...

4. Global Distribution of Root Nutrient Concentrations in Terrestrial Ecosystems [doi:10.3334/ORNLDAAC/659_1]
Nutrient measurements for fine roots were compiled from 56 published studies providing information on 372 different combinations of species, root diameter, rooting depths, and soils at a variety of ...

5. PnET-BGC: Modeling Biogeochemical Processes in a Northern Hardwood Forest Ecosystem [doi:10.3334/ORNLDAAC/818_1]
This archived model product contains the directions, executables, and procedures for running PnET-BGC to recreate the results of: Gbondo-Tugbawa, S.S., C.T. Driscoll , J.D. Aber and G.E. Likens. 2001. ...

6. 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 ...

7. 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 ...

8. 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.

9. 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 ...

10. LBA-ECO LC-21 Soil Characteristics, Logged Areas, Tapajos Forest, Para, Brazil: 2003 [doi:10.3334/ORNLDAAC/1236_1]
This data set provides measurements for soil nutrients from areas that were selectively logged and from control areas in the Tapajos National Forest, Para Western Santarem, Brazil. Data are included ...

11. LBA-ECO ND-01 Forest and Pasture Soil and Grass Analyses, Rondonia, Brazil: 2003-2004 [doi:10.3334/ORNLDAAC/1135_1]
This data set provides soil physical and chemical properties, and grass nutrient measurements of samples collected from 17 pasture sites located within the state of Rondonia in the southwestern Brazilian ...

12. LBA-ECO ND-04 Secondary Forest Carbon and Nutrient Stocks, Central Amazonia, Brazil [doi:10.3334/ORNLDAAC/1069_1]
This data set reports the carbon and nutrient stocks of above-ground vegetation and soil pools at three locations where post-pasture secondary forest recovery ranged from 0 to 14 years since abandonment. ...

13. LBA-ECO ND-04 Secondary Forest Recovery, Structure, and LAI, Central Amazonia, Brazil [doi:10.3334/ORNLDAAC/1068_1]
This data set reports measurements of the canopy and structure of secondary forests regenerating from abandoned pastures. These secondary forests are located in the state of Amazonas, Brazil, along ...

14. LBA-ECO ND-08 Biomass, Nutrients, and Decomposition in Eucalyptus and Primary Forests [doi:10.3334/ORNLDAAC/1148_1]
This data set reports the concentrations of the nutrients nitrogen (N), phosphorus (P), magnesium (Mg), calcium (Ca), and potassium (K) in roots, litterfall, leaves, and twigs, biomass of fine roots ...

15. Coastal Forest Chronosequences, British Columbia, Canada [Canada_CFS_CoastForestChrono]
In coastal British Columbia, mild climates and infrequent disturbance favour the development of long-lived forests with trees of great stature. These forests are admired the world over for the magnificent ...

16. 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 ...

17. 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 ...

18. Adaptive strategies of lichen species to cold environments: Antarctica and the Mediterranean high mountains. [CNDA-ESP_ANT94-0905_LIQ_05]   PARENT METADATA
In English: At the beginning of the 1990's our ecophysiological research on Antarctic lichens was focussed on adaptations to cope with low temperatures. We assumed that low ...

19. Albatross Bay Nutrient Data 1992 [CSIRO_albatross_nutrient]
One year of sampling was undertaken in 1992 at four sites in Albatross Bay, Gulf of Carpentaria, measuring nitrate and nitrite, phosphate and silicate levels in the water column. This ...

20. BIOGEOCHEMICAL CYCLES [EIC13]
Results of continuous programme of monitoring of the cycling of nutrients in four upland catchments from 1982 onwards.

21. Benthic mat biomass and productivity (photosynthesis and respiration) in Lake Vanda, Wright Valley and the role of invertebrates in carbon cycling in the lake [K081_1997_2000_NZ_1]
The importance of benthic microbial production in the lakes of the McMurdo Dry Valleys and how the benthic cyanobacterial mats are adapted to survive and grow in deep water (extreme low light but ...

22. Benthic mat biomass, productivity (photosynthesis and respiration) and contributions to lake nutrient cycling in Lake Hoare, Taylor Valley [K081_1996_2000_NZ_1]
The importance of benthic microbial mat production in the Lake Hoare, Taylor Valley and how the mats are adapted to survive and grow in deep water (extreme low light but no freezing) was investigated. ...

23. Bermuda Atlantic Time-Series Study (BATS) Zooplankton Census [vims_BATS]   CHILD METADATA
This study of plankton diversity at the Bermuda Atlantic Time-series Study (BATS) site is part of an initiative to create an online atlas of marine diversity, the Ocean Biogeographic ...

24. Bermuda Atlantic Time-Series Study (BATS) Zooplankton Census (OBIS) [OBIS.BATS]   PARENT METADATA
Abundance and taxonomic analysis of major zooplankton and micronekton groups collected monthly, in both the day and night, from 1994 to 2000 in the Sargasso Sea (31 deg 40 min N, 64 deg 10 min W). ...

25. 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 ...

26. 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 ...

27. Boron Tolerance Databases: Boron Tolerance Limits for Agricultural Crops, USDA-ARS, Soil Salinity Laboratory [USDA.ARS.USSL.BoronCrops]
This database contains boron tolerance information for a variety of agricultural crops. The information was compiled from a variety of studies and the data serve only as guidelines to relative tolerances. ...

28. Boron Tolerance Databases: Boron Tolerance Limits for Ornamentals, USDA-ARS, Soil Salinity Laboratory [USDA.ARS.USSL.BoronOrnament]
This database contains boron tolerance information for a variety of ornamentals. The information was compiled from a variety of studies and the data serve only as guidelines to relative tolerances. ...

29. 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 ...

30. Casey 1999-2000 Laboratory Notebook for Jane Wasley [JWasley-LabBook-Casey-1999-2000]   PARENT METADATA
Scanned laboratory notebook. - Notebook owner: Jane Wasley - Project: Jane Wasely PhD (ASAC 1087: The influence of water and nutrient availability on bryophyte communities in continental Antarctica) ...

31. Chesapeake Bay Program [epa_cbprogram]   CHILD METADATA
EPAs Chesapeake Bay Program Office coordinates the goals of the Chesapeake Bay Program (CBP) with the other offices located in EPA's regional office in Philadelphia, Pennsylvania. The CBP is a unique ...

32. 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 ...

33. Chesapeake Bay Program Watershed Model Scenario Output Database [CBP_WSM43]
The Watershed model is an application of HSPF (Hydrologic Simulation Program - Fortran ) run on a unix workstation. The model divides the 64,000 square mile Chesapeake Bay drainage basin into 87 model ...

34. Cropping Practices Survey Data [USDA0429]
"Cropping Practices Survey Data" is a set of databases that contain information on nutrient and pesticide use by farmers, tillage practices, and related data for major field crops. It also contains ...

35. 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 ...

36. 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. ...

37. Ecophysiological and floristic study of the lichen communities in Livingston Island. [CNDA-ESP_ANT89-0804-E_LIQ_01]   PARENT METADATA
In English: Scientific objectives: -Floristic study of Livingston Island. -Structure, succession and dynamism of the principal lichen and bryolichen communities. -Chorological study (distribution) ...

38. 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, ...

39. 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 ...

40. 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. ...

41. 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.

42. Effects of Prescribed Fire on Sediment and Nutrient Loads in Southeastern U.S. Forests [USDA_effectsofprescribedfire]
We used the nutrient cycling model NuCM (Nutrient Cycling Model) as our platform for predicting stream and soil nutrient response after forest management with prescribed fire. Study sites were located ...

43. 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 ...

44. Geescroft Wilderness, Long Term Soil Organic Matter Study [IACR.Geescroft]
This study began in 1885. The area is naturally regenerated woodland since 1885. Map of 1623 shows the field as arable. Arable crops were also present 1847-78. The field was left fallow 1879-82. ...

45. 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 ...

46. Heard Island Mycorrhizal survey, 2000 [HIMYCO]
Personnel YVES FRENOT 1, DANA M. BERGSTROM 2, J.C. GLOAGUEN 3, R. TAVENARD 4 and D.G. STRULLU 4 1 UMR CNRS 6553 Ecobio, Universit de Rennes 1, Station Biologique, 35380 Paimpont, France, 2 Australian ...

47. 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; ...

48. 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; ...

49. 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; ...

50. 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 ...

Showing 1 through 50 of 152 Next