Thumbnail Icon [Parameters: Topic='BIOSPHERE', Term='ECOLOGICAL DYNAMICS', Variable_Level_1='ECOSYSTEM FUNCTIONS', Variable_Level_2='BIOGEOCHEMICAL CYCLES']


Refine by Category
 
Refine by Full text

 

191 Titles Match Your Query
Showing 1 through 50 of 191 Next
1. LBA-ECO TG-07 Forest Soil P, C, and N Pools, km 83 Site, Tapajos National Forest [TG07_SOIL_NUTRIENTS]
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 ...


2. Linking Land, Air and Water Management in the Southern Everglades and Coastal Zone to Water Quality and Ecosystem Restoration: Task 2, Sulfur and Nutrient Contamination, Biogeochemical Cycling, and Effects [USGS_SOFIA_LinkingLandAirManagement_Task2]   PARENT DIF
The scientific focus of this project is to examine the complex interactions (synergistic and antagonistic) of contaminants (externally derived nutrients, mercury, sulfur, pesticides, herbicides, polycyclic ...


3. Linking Land, Air and Water Management in the Southern Everglades and Coastal Zone to Water Quality and Ecosystem Restoration: Task 3, Natural Organic Matter-Mercury Interactions [USGS_SOFIA_LinkingLandAirManagement_Task3]   PARENT DIF
This Task (Task 3 of the overall study) focuses on the factors that control the occurrence, nature and reactivity of dissolved organic matter (DOM) in the Florida Everglades, especially with regard ...


4. Linking Land, Air, and Water Management in the Southern Everglades and Coastal Zone to Water Quality and Ecosystem restoration: Task 1, Mercury Cycling, Fate and Bioaccumulation [USGS_SOFIA_LinkingLandAirManagement_Task1]   PARENT DIF
This proposal identifies work elements that are logical extensions, and which build off, our previous work. Our overall scientific objective is to provide a complete understanding of the external ...


5. AAV30708 Biogeochemistry - CO2 and Alkalinity bottle data collected on the CEAMARC Cruise of the Aurora Australis [CEAMARC_CASO_AAV30708_Biogeochemistry]
Total carbon dioxide and total alkalinity analysis of niskin bottle samples collected on CTD casts. All data have been stored in a single excel file. Measurements were made on the CEAMARC voyage ...


6. Samples collected for HPLC pigments, microscopy and flow cytometry for the SAZ-SENSE project [ASAC_2720_filtration]   PARENT DIF
Metadata record for data from ASAC Project 2720 See the link below for public details on this project. The overall objective is to characterize Southern Ocean marine ecosystems, their influence on ...


7. Thermosalinograph data collected on the CEAMARC Cruise of the Aurora Australis [CEAMARC_CASO_200708_V3_Thermosalinograph]
Thermosalinograph data - one text file per day has been collected. Data include date, time, temperature, conductivity, salinity, location. Measurements were made on the CEAMARC voyage of the Aurora ...


8. Application of Stable Isotope Techniques to Identifying Foodweb Structure, Contaminant Sources, and Biogeochemical Reactions in the Everglades [USGS_SOFIA_kendall_stable_isotopes]
This is the largest isotope foodweb study ever attempted in a marsh ecosystem, and combines detailed, long-term, trophic and biogeochemical studies at selected well-monitored USGS/SFWMD/FGFFC sites ...


9. Geochemical Monitoring of Restoration Progress [USGS_SOFIA_geochem_mon_restore_fy04]
Continued geochemical monitoring efforts will provide a measure of the progress and effects of restoration on environmental health and water quality, and complement biological monitoring of indicator ...


10. 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 ...


11. 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 ...


12. Interaction between Carbon and Sulfur Cycles in Antarctic Stratified Lakes and Fjords [ASAC_1166]
---- Public Summary from Project ---- The lakes and fjords of the Vestfold Hills region of Antarctica provide unique ecosystems for studying environmental changes in Antarctica over the past 8000 ...


13. Methanotrophs in Antarctica [ASAC_869]
Metadata record for data from ASAC Project 869 See the link below for public details on this project. Dataset included are for the characterisation of methanotrophs from saline lakes of the Vestfold ...


14. Physical and biogeochemical dynamics of the subantarctic zone [ASAC_2720]   CHILD DIFs
This metadata record is a 'Parent' metadata record for ASAC project 2720. See the link for the related 'Child' metadata records. The overall objective is to characterise Southern Ocean marine ecosystems, ...


15. The Biochemistry, Ecology and Organic Geochemistry of Phaeocystis pouchetii communities of Davis Base, Antarctica [ASAC_113]
This metadata record covers ASAC projects 113, 191 and 625. (ASAC_113, ASAC_191, ASAC_625). The total lipid, fatty acid, sterol and pigment composition of water column particulates collected ...


16. An Ecosystem Model of Carbon, Nitrogen and Water Balances in Forests [EOSWEBSTER_PnET_Ecosystem_Model]   CHILD DIFs
PnET (net photosynthesis / evapotranspiration) is a nested series of models of carbon (C), water and nitrogen dynamics in forest ecosystems. The models can be used to predict transient ...


17. Global Model Reference Data, 0.5 x 0.5 degree grid-cell [EOSWEBSTER_Global_Ref]
The Global Model Reference Collection contains 3 datasets that have been used extensively in various biogeochemical process models, in addition to some basic data layers used in analyzing and aggregating ...


18. Modeling Nitrogen Saturation from PnET model [EOSWEBSTER_PNET_Max_N_Cycle]   PARENT DIF
A generalized, lumped-parameter model of carbon (C) ,water and nitrogen (N) in interactions in forest ecosystems (PnET-CN) is presented. The model operates in a monthly time step and at the stand-to-watershed ...


19. Vegetation/Ecosystem Modeling and Analysis Project (VEMAP) gridded annual and monthly biogeographic and biogeochemical time series data [EOSWEBSTER_VEMAP2_4]   PARENT DIF
The EOS-WEBSTER VEMAP2 Data Collection contains several datasets which provide historical and future climate variables, and monthly and annual biogeochemical model outputs. ...


20. Vegetation/Ecosystem Modeling and Analysis Project (VEMAP) gridded monthly and annual time series data [EOSWEBSTER_VEMAP2]   CHILD DIFs
The EOS-WEBSTER VEMAP2 Data Collection contains several datasets which provide historical and future climate variables, and monthly and annual biogeochemical model outputs. ...


21. 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 ...


22. Carbon Dioxide Concentration Measurements from Subnivean Environment [carbon_dioxide_concentration_measurements_from_subnivean_environment]
This is a data set collecting CO2 concentrations from different depths under the snow at our wet tussock tundra site near Toolik Lake. Included is a read me file. Data is not temperature corrected.


23. Fine Root Production [fine_root_production]
Measurements of fine root production to date made during the growing seasons of 2010 and 2011 in plots of a factorial warming x accelerated snowmelt field experiment. Measurements were made using ...


24. Isotopic Values from Labeling Study at a Moist Acidic Tundra Site [isotopic_values_from_labeling_study_at_a_moist_acidic_tundra_site]
These data sets are from a summer and undersnow labeling studies.


25. Carbon Isotopic Values of Alkanes Extracted from Paleosols [carbon_isotopic_values_of_alkanes_extracted_from_paleosols]
Dataset consists of compound specific carbon isotopic values of alkanes extracted from paleosols. Values represent the mean of duplicate measurements.


26. LBA-ECO LC-04 IBIS MODEL SIMULATIONS FOR THE AMAZON AND TOCANTINS BASINS: 1921-1998 [LC04_IBIS_MODEL]
The provided data were generated by the Integrated BIosphere Simulator (IBIS) terrestrial ecosystem model (Foley et al. 1996, Kucharik et al. 2000) using data from the CRU05 climate record for the ...


27. CACHE-DRAM: DRivers and AMplifiers of late Quaternary climate change [GB-NERC-BAS-PDC-00509]
Ice core records provide highly detailed records of how different components of the climate system have behaved in the past. DRAM will make use of these and other data to pin down the main forcings ...


28. 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 ...


29. DISCOVERY-FOOD-WEBS: Scotia Sea FOOD-WEBS [GB-NERC-BAS-PDC-00514]
Ocean food webs modify the efficiency with which CO2 is absorbed from the atmosphere into the sea, fixed by phytoplankton in the surface layers and then transported to the ocean interior. This so-called ...


30. 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 ...


31. The fate of primary production in Antarctic sea ice: the role of metazoan grazers. [ASAC_1328]
Crustaceans are an important component of the Antarctic marine ecosystem. Large numbers live in or close to the sea-ice cover, using it as a refuge from predation and a source of food. However, the ...


32. Long-Term Ecological Research (LTER)/CDR018: Plant Competition Under Different Nitrogen Levels at Cedar Creek Natural History Area [LTER_CDR018]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR018 [Summary adapted from the LTER Core Data Set Catalog]: This is the new ...


33. Long-Term Ecological Research (LTER)/CDR019: Tree Competition at Cedar Creek Natural History Area [LTER_CDR019]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR019 [Summary adapted from the LTER Core Data Set Catalog]: This experiment ...


34. Tropical Hydrology : climate and land use impacts from a cloud forest water balance model [THCLUI_KCL]
This database provides information and data from the Tropical Hydrology and Cloud Forests Project. A pan-tropical water balance model was developed and the implications of historic forest loss in ...


35. GLOBAL N CYCLE: FLUXES AND N2O MIXING RATIOS ORIGINATING FROM HUMAN ACTIVITY [global_n_cycle]
Nitrogen is a major nutrient in terrestrial ecosystems and an important catalyst in tropospheric photochemistry. Over the last century human activities have dramatically increased inputs of reactive ...


36. NITROGEN DEPOSITION ONTO THE UNITED STATES AND WESTERN EUROPE [global_clim_nitrogen]
This data set contains data for wet and dry nitrogen-species deposition for the United States and Western Europe. Deposition data were acquired directly from monitoring programs in the United States ...


37. ISLSCP II CARBON DIOXIDE FLUX AT HARVARD FOREST AND NORTHERN BOREAS SITES [FLUXNET_POINT]
Carbon dioxide flux and meteorological data for the Harvard Forest, MA (1992-95) and BOREAS Northern Study Area, Old Black Spruce (Alberta, Canada; 1994-95) FLUXNET sites are provided as examples ...


38. ISLSCP II GPPDI, NET PRIMARY PRODUCTIVITY (NPP) CLASS B POINT DATA [GPPDI_NPP_POINT]
The Global Primary Production Data Initiative (GPPDI) was set up as a Focus 1 activity of the IGBP Data and Information System, a coordinated international program to improve worldwide estimates of ...


39. ISLSCP II IGBP NPP OUTPUT FROM TERRESTRIAL BIOGEOCHEMISTRY MODELS [ISLSCP_MODEL_NPP]
This data set contains modeled annual net primary production (NPP) for the land biosphere from seventeen different global models. Annual NPP is defined as the net difference of annual carbon uptake ...


40. Quantitative variations of phenolic compounds related to thallus age in Umbilicaria antarctica in Antarctica [110-88_02]
Densitometric analysis (HPTLC) was used to determine the concentrations of phenolic metabolites in thalli of different ages in Umbilicaria antarctica Frey et Lamb. Usnic acid and atranorin concentrations ...


41. Integration Analysis of North Adriatic Marine Ecosystem (ECOMADR) [ECOMADR]
Project aims to identify key components of the trophic web of marine ecosystem in the northern adriatic sea, and to provide a first assessment of energy fluxes among such compartments. Since in this ...


42. Influence of Tillage Management on Soil Quality and Fate of Agricultural Nitrogen [USDA.ARS.NRI.ECL.TillMngt]
(adapted from project description) Problem: The use of no-tillage cropping systems has increased as their advantages in sustainable crop production have been documented. This includes better maintenance ...


43. Key Processes and Sustainable Mechanisms of Ecosystem Food Production in the Coastal Ocean of China [KPFPC]
The scientists involved in this program will carry out integrated studies among multidisciplinary subjects by focusing on such a core as the coupling mechanism of the marine biogeochemical cycles ...


44. Pressure effects On marine prokaryoTES (POTES) [POTES]
The ANR POTES program (Pressure effects On marine prokaryoTES) project concerns the role of marine micro-organisms in the mineralization of particulate (POM) and dissolved (DOM) organic matter and ...


45. Role of eukaryote pico- and nanoplankton in the biogeochemical processes of the deep sea. [Deep_Sea_Protists]
In this project we investigate the distribution and activity of the smallest eukaryotes of the deep sea in order to understand their ecology and contribution to biogeochemical processes. Using fluorescence ...


46. Monitoring and Manipulation of Tundra Response to Climate Change, Arctic LTER, Toolik Lake, Alaska [ARCSS091]
The investigator has undertaken long-term field experiments and monitoring at the Arctic Long Term Ecological Research (LTER) station, Toolik Lake, Alaska, exploring the effects of climate change ...


47. NASA/Ames Global Emissions Data Set (GLEMIS) [NASA_AMES_GLEMIS]
NASA-CASA data sets include global maps for predicted fluxes of soil nitrogen gases (N2O and NO), methane (CH4), and carbon monoxide (CO), plus predictions of net primary production (NPP) and carbon ...


48. ISLSCP II GLOBAL SEA ICE CONCENTRATION [ISLSCP_SEA_ICE_EXTENT]
This International Satellite Land Surface Climatology Project (ISLSCP) Initiative II data set is based on the Goddard Space Flight Center (GSFC) Sea Ice Concentrations from Nimbus-7 Scanning Multichannel ...


49. ISLSCP II NORTHERN HEMISPHERE MONTHLY SNOW COVER EXTENT [ISLSCP_SNOW_COVER_XDEG]
This ISLSCP data set is derived from the National Snow and Ice Data Center (NSIDC) Northern Hemisphere EASE-Grid Weekly Snow Cover and Sea Ice Extent product which combines snow cover and sea ice ...


50. The effects of increased PAR and UV on the xanthophyl cycle of Antarctic ice algae [K068_2005_2006_NZ_1]
The xanthophyll cycle is a photo-protection mechanism in phytoplankton which protects the photosynthestic machinery from damage by high light intensities. Sea ice algae in Antarctica live on the ...


Showing 1 through 50 of 191 Next
Click here for a static view of records.

Link to Web Site