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149 Titles Match Your Query
Showing 1 through 50 of 149 Next
1. Exopolysaccharides from Antarctic bacteria [ASAC_2348]
Exopolysaccharide (EPS) is complex sugar made by many microbes in the Antarctic marine environment. This project seeks to understand the ecological role of microbial EPS in the Southern Ocean, where ...


2. 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 ...


3. 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 ...


4. 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 ...


5. 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 ...


6. Luquillo Experimental Forest (LUQ) USDA Data [USDA0156]
The purpose of the "Luquillo Experimental Forest (LUQ)" dataset is to study and manage the forest ecosystems of the Luquillo Mountains and document long-term studies of the relationship between disturbance ...


7. 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 ...


8. Sources, Pathways and Sinks of Organic Matter in Antarctic Terrestrial Ecosystems (MATE) [MATE.NL]
Terrestrial, limnetic and coastal ecosystems in Antarctica are connected by transport (predominantly by melt water) of organic matter and minerals. Temperature increase (either directly or indirectly ...


9. Inter-disciplinary Forest Ecosystem Research (InFER), Newfoundland, Canada [Canada_CFS_InFER-Nfld]
The Inter-disciplinary Forest Ecosystem Research (InFER) project was established in 1993 to determine the effects of harvesting and silvicultural practices on boreal forest ecosystems. The inter-disciplinary ...


10. Muskeg River Forest Demonstration Area, Fort Liard, Northwest Territories, Canada [Canada_CFS_MuskegRiverForest]
The Muskeg River Forest Demonstration Area was established as a co-operative venture with the local Acho Dene Koe and Band; the Northwest Territories Department of Resources, ...


11. 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 ...


12. Agricultural Online Access (AGRICOLA) Database [USDA_AGRICOLA]
AGRICOLA (AGRICultural OnLine Access) is a bibliographic database of citations to the agricultural literature created by the National Agricultural Library and its cooperators. Production ...


13. 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 ...


14. Algal composition, physico-chemical features, photosynthetic carbon metabolism, nitrogen cycling and the structure and metabolic properties of algal mats in lakes and streams of southern Victoria Land [K081_1983_1986_NZ_1]
A three year study of lakes and stream of southern Victoria Land was conducted from 1983-1986. In the first season, the algal composition and physico-chemical characteristics of South Victoria Land ...


15. Analysis: low oxygen concentrations and biogenic elements associated with Equatorial Subsurface water, and variability in Humboldt Current System off Chile [GLOBEC_039_CHL_003]   PARENT METADATA
Analysis of the distribution of low oxygen concentrations and biogenic elements associated with the Equatorial Subsurface water and characterization of seasonal and inter-annual variability in the ...


16. Antarctic Fish and Trophic Webs [ANTARCTIC_JCADM_DNA_FISH]
The objectives of this long-term project are twofold. The first is to collect baseline data on pollutant levels in notothenioids and their prey and predator species from the Potter Cove area. The ...


17. Antarctic nonmarine aquatic ecosystems as global change sensors [CNDA-ES_LIMNOPOLAR_META_BAS017]
In English: This project is aimed to achieve a higher knowledge of the limnetic systems in Polar latitudes. Particularly, it promotes the accurate description the Byers Peninsula (Livingston Island), ...


18. Assessment of the importance of biological nitrogen fixation in the terrestrial ecosytem: Nitrogen fixation rates of Nostoc cyanobacterial mats in the Garwood Valley and at Cape Royds [K053_1986_1987_NZ_1]
Microbes with the nitrogenase enzyme on mosses and soils, particularly the cyanobacteria Nostoc, were examined to investigate the extent and magnitude of the nitrogen fixation process. Sample cores ...


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


20. 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). ...


21. Biogenic Particle Fluxes Measured Using Sediment Traps during the JGOFS North Atlantic Bloom Experiment (NABE) [JGOFS_NABE_SEDIMENT]
The Joint Global Ocean Flux Study (JGOFS) seeks to understand the processes that control the transfer of carbon and other biologically active elements in the ocean. In addition, ...


22. Biological, physical and chemical parameters in water and microbial mat samples from ponds in the Cape Hallett vicinity and cryoconite holes on the Tucker and Bornmann glaciers [K081_2005_2006_NZ_3]
A series of 10 ponds, located away from the main influences of the penguin colony at Cape Hallett, were investigated for variation in chemistry and microbial mat development. Cores of benthic microbial ...


23. Black Sturgeon Boreal Mixedwood Research Site, Ontario, Canada [Canada_CFS_BlSturgBorealResearc]
The Black Sturgeon Boreal Mixedwood Research Project (BSBMRP) was established in response to the need to build a strong ecological foundation for integrated resource management in boreal mixedwoods. ...


24. Centralized Database - CDBS 2.0, from the USDA National Water and Climate Center [USDA0192]
CDBS 2.0 contains snow, water, climate, and related hydrologic information for the U.S., Carribean, and South Pacific. Some datasets are regional (snow and water). It is a national dataset physically ...


25. Changes of major ion concentrations in melting snow and terrestrial waters from northern Victoria Land, Antarctica. [Ion_concentr_Victoria_Land]
Concentrations of major ions (Cl-, NO3-, SO42-, Na+, K+,Mg2+, Ca2+) where measure in melting snow and water samples from stream and lakes in ice-free areas throughout northern Victoria Land. Most ...


26. Characterization and Evaluation of biologically mediated carbon fluxes in pelagic system, pCO2 surface levels, and vertical carbon flux on the Concepcion shelf. [GLOBEC_043_CHL_007]   PARENT METADATA
Characterization and Evaluation of the biologically mediated carbon fluxes in the pelagic system, pCO2 surface levels, and the vertical carbon flux towards the benthic system during upwelling and ...


27. Characterization of phototrophic pigment composition, metabolic processes and carbon pools in northern chile. [GLOBEC_049_CHL_013]   PARENT METADATA
Title: Characterization of the phototrophic pigment composition, main metabolic processes and carbon pools occurring in northern chile. A fluorescence peak occurring within the oxygen minimum ...


28. Chemical and Physical Characteristics of the Great Lakes (1965-1978) [GLERL0002]
The yearly investigations for the years 1965 to 1974 were formulated and directed by Dr. Arthur P. Pinsak (retired). The 1975 cruises were planned and directed by Gerald L. Bell and Dr. Richard L. ...


29. 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 ...


30. 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 ...


31. Cold adaptation and functionality of the Antarctic Coastal Benthic Zones [ASAC_1165]
Antarctic sediments and sea-ice are important regulators in global biogeochemical and atmospheric cycles. These ecosystems contain a diverse range of bacteria whose biogeochemical roles remains largely ...


32. DEPROAS - Ecosystem Dynamics of the continental shelf of the SW Atlantic [GLOBEC_067_BRZ_001]
DEPROAS is a multi-disciplinary programme, involving physical oceanography, biological oceanography, geological oceanography and meteorology. DEPROAS has two main goals: 1) to examine the physical ...


33. DISCOVERY-FLEXICON: FLEXIbility and CONstraints in life histories [GB-NERC-BAS-PDC-00516]
FLEXICON is investigating the life-cycles of some of the world''s most durable and abundant organisms that are vital to the Earth''s systems. Marine organism in the Southern Ocean must endure one ...


34. Determination of structure and functioning of the benthic community, pools and fluxes of N-compounds across sediment-water interface on the Concepcion shelf. [GLOBEC_042_CHL_006]   PARENT METADATA
Determination of the structure and functioning of the benthic community, and pools and fluxes of N-compounds (ammonia, nitrate, nitrite) across the sediment-water interface in relation to local physical ...


35. Determining the rates of nutrient uptake to create an approximate nutrient budget of microbial mats from Bratina Island ponds, McMurdo Ice Shelf [K081_2000_2001_NZ_5]
Mat cores from ponds on the McMurdo Ice Shelf were incubated in pond water which had been spiked by 50 µg l-1 of nitrate or phosphate. Three ponds were used for water samples (Skua, Duet and P70) ...


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. EYSEC: Ecosystem Dynamics and Sustainable Utilization of Marine Living Resources in the East China Sea and Yellow Sea [GLOBEC_022_CH_002]
EYSEC: Ecosystem Dynamics and Sustainable Utilization of Marine Living Resources in the East China Sea and Yellow Sea This programme is part of CHINA-GLOBEC. The aims of EYSEC are to: 1) ...


38. Eastern Pacific Pelagic Fisheries from LDEO/IRI Climate Data Library [iri_eppf]
This data sets consists of data collected from Perue and Chile fisheries including climate variables to assess El Nino Southern Oscillation (ENSO) impacts. The data consist of the following: Weekly ...


39. 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 ...


40. Estuarine Surface Water Nutrient Chemistry and Water Quality for North Inlet: Former Long-Term Ecological Research (LTER)/NIN003 [LTER_NIN003]
LTER - Long-Term Ecological Research Program/North Inlet Salt Marsh, South Carolina (NIN) LTER/NIN003 [Summary adapted from the LTER North Inlet Daily Water Sample (DWS) Data Documentation] The ...


41. Factors Affecting the Distribution of Juvenile Salmon in the Gulf of Alaska 2001-2003 [salmon_juv_diet_LTOP_CGOA]
The purpose of this research is to focus National Marine Fisheries Service studies on the GLOBEC region, augment oceanographic measurements and determine what biological and physical factors influence ...


42. Fertilizer Use and Price Statistics, 1964-1991 [USDA0048]
The data contained on this disk includes most of the historical information pertaining to State and U.S. fertilizer use statistics for four major crops: corn, cotton, soybeans, and wheat from 1964 ...


43. Geochemical and biological linkages in glacier ecosystems [ASAC_2750]
Metadata record for data from ASAC Project 2750 See the link below for public details on this project. Glaciers are not frozen rivers, but another aquatic ecosystem in the cryosphere. Most life on ...


44. 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 ...


45. HYDROGRAPHIC DATA OF THE LOC-IUEM/UBO [UBOC01]
ENGLISH Data collected by the Chemical Oceanography Laboratory (LOC/CHIMAR, France) in the frame of two main programs: 1) nitrogen fluxes in the food web, fluid transports for coastal systems and ...


46. Hydrologic Margins Research Project, 2004-2008, McMurdo Dry Valleys [B268_hydrol_margins_dvs_proj]
In this field research project, we investigated the soil hydrology, biogeochemistry, and microbial ecology along hydrologic gradients in soils adjacent to streams and lakes in Wright and Taylor Valleys. ...


47. IAI-Data-CRN_012_Baruch_gradients: Responses of 130 species to water and nutrient availability gradients in Venezuelan savannas [IAIDIS756]   PARENT METADATA
The gradient project studies the responses of 130 species to water and nutrient availability gradients in Venezuelan savannas. Specific leaf area and nutrient content, gas exchange and 15N and 13C ...


48. IAI-Final Report_ISP1_080: Biogeochemical Determinants of Land-Cover Change and Land-Use In Savanna-Cultivation-Grazing Systems [IAIDIS454]
This dataset refers to Final Report of the ISP round I project number 080, which has the name "BIOGEOCHEMICAL DETERMINANTS OF LAND-COVER CHANGE AND LAND-USE IN SAVANNA-CULTIVATION-GRAZING SYSTEMS". ...


49. Impacts of climate change on Antarctic vascular plants: warming and UV-B radiation [TAD001]
Our research examined the influence of ultraviolet-B radiation (UV-B) and warming on the performance of Antarctic flowering plants (i.e. Deschampsia antarctica, ...


50. In situ measurements of photosynthesis in the benthic microbial mats at high depths under the perennial ice cover of Lake Hoare, Taylor Valley [K081_2004_2005_NZ_2]
In situ measurements of photosynthesis in the benthic microbial mats, that grow under the perennial ice cover, of Lake Hoare were measured to determine if photosynthesis is positive at considerable ...


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