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1. Photosynthesis of subantarctic plants as affected by leaf and canopy temperature variation [ASAC_2544]
Metadata record for data from ASAC Project 2544 See the link below for public details on this project. Public Summary Recent global warming is evident for many subantarctic islands. Rising temperatures ...


2. NACP MCI: CO2 Emissions Inventory, Upper Midwest Region, USA., 2007 [NACP_MCI_CO2_INVENTORY]
This data set provides a bottom-up CO2 emissions inventory for the mid-continent region of the United States for the year 2007. The study was undertaken as part of the North American Carbon Program ...


3. LBA-ECO CD-08 Tropical Forest Ecosystem Respiration, Manaus, Brazil [CD08_Ecosystem_Resp_Manaus]
Understanding how tropical forest carbon balance will respond to global change requires knowledge of individual heterotrophic and autotrophic respiratory sources, together with factors that control ...


4. LBA-ECO CD-32 Flux Tower Network Data Compilation, Brazilian Amazon: 1999-2006 [CD32_BRAZIL_FLUX_NETWORK]
This data set is a compilation of carbon and energy eddy covariance flux, meteorology, radiation, canopy temperature, humidity, and CO2 profiles and soil moisture and temperature profile data that ...


5. 14C of soil CO2 from IPY ITEX Cross Site Comparison [14c_of_soil_co2_from_ipy_itex_cross_site_comparison]
Study sites: Toolik Lake Field Station Alaska, USA 68.63 N, 149.57 W; Atqasuk, Alaska USA 70.45 N, 157.40 W; Barrow, Alaska, USA 71.30 N, 156.67 W; Latnjajaure, Sweden 68.35 N, 18.50 E; Falls Creek, ...


6. White Spruce Needle Gas Exchange, Nitrogen Concentration, 13C and 15N [white_spruce_needle_gas_exchange_nitrogen_concentration_13c_and_15n]
Weekly measurements of light-saturated net photosynthesis, dark respiration, nitrogen concentration, 13C and 15N of two-year-old white spruce needles in three contrasting habitats during the 2010 ...


7. BOREAS RSS-08 BIOME-BGC MODEL SIMULATIONS AT TOWER FLUX SITES IN 1994 [BOREAS_BIOMEBGC]
BIOME-BGC is a general ecosystem process model designed to simulate biogeochemical and hydrologic processes across multiple scales (Running and Hunt, 1993). In this investigation, BIOME-BGC was used ...


8. BOREAS RSS-08 BIOME-BGC SSA SIMULATIONS OF ANNUAL WATER AND CARBON FLUXES [BOREAS_BIOMEBG2]
The BOREAS RSS-08 team performed research to evaluate the effect of seasonal weather and landcover heterogeneity on boreal forest regional water and carbon fluxes using a process level ecosystem model, ...


9. BIGFOOT FIELD DATA FOR NORTH AMERICAN SITES, 1999-2003 [BIGFOOT_FD]
The BigFoot project gathered field data for selected EOS Land Validation Sites in North America from 1999 to 2003. Data collected and derived for varying intervals at the BigFoot sites and archived ...


10. Model Output Assessing Net Carbon Exchange Across the Arctic Tundra-Boreal Forest Transition in Alaska, 1981-2000 [ARCSS162]
In this study, investigators simulated the temporal and spatial patterns of net carbon exchange in Alaskan ecosystems that span the transition from Arctic tundra to boreal forest. They modeled net ...


11. Model Output from the Marine Biology Laboratory General Ecosystem Model (MBL-GEM) for Toolik Lake, 1921-2144, and the Kuparuk River Basin, 1995 [ARCSS052]
This data set contains model input and output data for four simulations of varying time periods and spatial coverage. The first two simulations are for acidic tussock tundra in the Toolik Lake region ...


12. Resource Allocation and Allometry of Plant Growth at Selected Sites in the Arctic: 2003-2005 Growing Seasons [ARCSS164]
This data set consists of seven data files containing measurements from Arctic field sites during the summer months from 5 July 2003 to 5 August 2005 as part of the Land-Atmosphere-Ice Interactions ...


13. NET CARBON DIOXIDE AND WATER FLUXES OF GLOBAL TERRESTRIAL ECOSYSTEMS, 1969-1998 [fluxnet_buchmann]
The variability of net surface carbon assimilation (Asmax), net ecosystem surface respiration (Rsmax), and net surface evapotranspiration (Etsmax) among and within vegetation types was examined based ...


14. BOREAS FOLLOW-ON FLX-01 NSA-OBS DERIVED DATA - NEE, GEE, AND RESPIRATION [flx01_derived]
The BOREAS Follow-On FLX-01 team derived NEE, GEE, and Respiration using measured tower C02 flux measurements taken at the NSA-OBS site. The data provided contain half-hourly measurements as well ...


15. BOREAS TE-17 PRODUCTION EFFICIENCY MODEL IMAGES [BOREAS_TE17PEM]
A BOREAS version of the Global Production Efficiency Model (www.inform.umd.edu/glopem) was developed by TE-17 to generate maps of gross and net primary production, autotrophic respiration, and light ...


16. LBA-ECO CD-04 SOIL RESPIRATION, KM 83 TOWER SITE, TAPAJOS NATIONAL FOREST, BRAZIL [CD04_SOIL_RESPIRATION]
This data set reports on the flux of carbon dioxide from logged forest soils near the eddy flux tower at the km 83 site, Para, Brazil. The automated soil respiration measurements were collected using ...


17. 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 ...


18. BOREAS TGB-01/TGB-03 NEE DATA OVER THE NSA FEN [BOREAS_TGBFENNE]
The BOREAS TGB-01 and TGB-03 teams collected several data sets that contributed to understanding the measured trace gas fluxes over sites in the NSA. This data set contains NEE measurements collected ...


19. BOREAS TE-02 CONTINUOUS WOOD RESPIRATION DATA [BOREAS_TE2WDRS2]
The BOREAS TE-02 team collected several data sets in support of its efforts to characterize and interpret information on the respiration of the foliage, roots, and wood of boreal vegetation. This ...


20. BOREAS TE-02 FOLIAGE RESPIRATION DATA [BOREAS_TE2FLRSP]
The BOREAS TE-02 team collected several data sets in support of its efforts to characterize and interpret information on the respiration of the foliage, roots, and wood of boreal vegetation. This ...


21. BOREAS TE-02 WOOD RESPIRATION DATA [BOREAS_TE2WDRSP]
The BOREAS TE-02 team collected several data sets in support of its efforts to characterize and interpret information on the respiration of the foliage, roots, and wood of boreal vegetation. This ...


22. BOREAS TE-10 PHOTOSYNTHETIC RESPONSE DATA [BOREAS_TE10PRD]
The BOREAS TE-10 team collected several data sets in support of its efforts to characterize and interpret information on the gas exchange, reflectance, transmittance, chlorophyll content, carbon content, ...


23. SOIL CO2 FLUX DATA (FIFE) [FIFE_SOIL_CO2]
In the Soil Carbon Dioxide Flux study, a prototype gas exchange system and sensor were used to determine the soil surface flux of CO2 and associated parameters at the three FIFE supersites. The goal ...


24. FOREST-BGC MODEL (OTTER) [OTTER_MODEL]
Six parameters were investigated and predicted in Running's BGC-forest model: the decomposition ratio of detritic material; the amount of water that was evaporated, respired, and transpired; the net ...


25. Model Output from MBL-GEM III for Typical Tussock Tundra in the Kuparuk River Basin, Alaska, 1921-2100 [ARCSS097]
This data set includes output data from the MBL-GEM III model for tussock tundra in the Kuparuk River watershed of Alaska. The model outputs 154 different variables for 123 10 km x 10 km grid cells, ...


26. Model Output from MBL-GEM III for a Typical Tussock-Tundra Hill Slope, 1921-2100 [ARCSS096]
This data set includes output data from the MBL-GEM III model for a typical tussock-tundra hillslope. The model outputs 154 different variables for 20 modeled square-meter plots. Modeled plots ...


27. Model Output from the Terrestrial Ecosystem Model for Western Arctic Linkage Experiment (WALE) [ARCSS153]
These data were obtained by running the Terrestrial Ecosystem Model (TEM) with three different climate data sets over the Western Arctic Linkage Experiment (WALE) domain, which includes Alaska and ...


28. Determination of the unique evolutionary patterns that prevail in the Antarctic springtail (Gomphiocephalus hodgsoni) [K025_2006_2007_NZ]
The energetic budgets (activity) of Antarctic springtails (Gomphiocephalus hodgsoni) was investigated at Cape Bird, Ross Island and the Garwood Valley, McMurdo Dry Valleys to determine the unique ...


29. 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, ...


30. Adaptive strategies of lichen species to cold environments: Antarctica and the Mediterranean high mountains. [CNDA-ESP_ANT94-0905_LIQ_05]   PARENT DIF
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 ...


31. Biology of lichen communities in Antarctica. [CNDA-ESP_LIQ_PAD]   CHILD DIFs
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 ...


32. Photosynthesis and water relationships on Antarctic nanofruticose lichens. [CNDA-ESP_ANT94-0907-E_LIQ_06]   PARENT DIF
In English: Scientific objectives: -To study the photosynthetic behaviour of lichen nanofruticose species (Bacidia Stipata, buellia cladocarpiza, Catillaria corymbosa and ...


33. Oxygen Production and Respiration Rates Measured during the U.S. JGOFS Arabian Sea Process Study [USJGOFS_ARAB_O2_PRODUCTION]
A component of U.S. Joint Global Ocean Flux Study (JGOFS) is the Arabian Sea Process Study.. Eleven cruises took place aboard the R/V Thomas G. Thompson for about sixteen ...


34. Natural spatial subsidies in continental Antarctic soil [K052_2001_2005_NZ_1]   CHILD DIFs
The soils of the McMurdo Dry Valleys are hypothesized to rely on external sources of nutrients (carbon, nitrogen, etc). The importance of these spatial subsidies on productivity and biological diversity ...


35. Physical, chemical and biological characteristics of soils from the upper Garwood Valley, Ross Sea Region, 2002-2006. [K052_2004_2005_NZ]   PARENT DIF
These data consist of a number of subsets of soil samples gathered from the upper Garwood Valley in January 2002, January 2003, January 2005 and January 2006. Replicate randomly-located samples of ...


36. Physical, chemical and biological characteristics of soils from the western Wright Vanda (Lake Vanda district), Ross Sea Region, 2006 [K052_2005_2006_NZ]   PARENT DIF
These data consist of a number of subsets of soil samples gathered from the Wright Valley in January 2006. Replicate randomly-located samples of surface soils to 10 cm depth have been gathered from ...


37. The legacy model vs the subsidy model to explain soil organic matter in the McMurdo Dry Valleys [K052_2004_2006_NZ_1]   CHILD DIFs
The Dry Valleys of Victoria Land, Antarctica, contain naturally simple ecosystems operating under extreme climatic conditions. Nutrients are limited and are thought to come from external sources from ...


38. Shelf-Edge Study (SES) of the Land Ocean Interaction Study (LOIS), Data Available from the British Oceanographic Data Centre (BODC) [BODC_NERC_LOIS_SES]
The Shelf-Edge Study (SES) of the UK Natural Environment Research Council's (NERC) Land Ocean Interaction Study (LOIS) is devoted to interactions between the shelf seas and the open ocean. ...


39. 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 ...


40. Meiobenthic biodiversity and fluxes within the Antarctic biogeochemical environment [AMD_BE_BIOGEOCHEM]
The purpose of this project is to determine the role of the coastal zone and the deep sea ecosystems in the productivity and energy fluxes in the Southern Ocean. In the Antarctic, ...


41. 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. ...


42. 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 ...


43. Freeze-Thaw Earth System Data Record [UMT_NTSG_FREEZETHAW]
NASA's Freeze/Thaw Earth System Data Record (FT-ESDR) Web Interface is a NASA MEaSUREs (Making Earth System Data Records for Use in Research Environments) funded effort to provide a consistent long-term ...


44. The rates of benthic photosynthesis of microbial mats at low irradiances in Lake Hoare and Lake Fryxell, Taylor Valley [K081_2006_2007_NZ_2]
Photosynthesis rates of microbial mats were measured at a range of irradiances to determine the performance of mats at low irradiances at Lake Hoare and Fryxell. Underwater irradiance measurements ...


45. 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 ...


46. Ecological investigation of nitrogen sources and sinks in Lake Wilson and three catchment ponds in the Darwin Glacier region [K081_1992_1993_NZ_1]
Ecological investigations into the waters of the Darwin Glacier region (extreme southern end member to the Dry Valley system) were carried out to extend knowledge of microbial processes to high latitude ...


47. The effects of extreme environmental conditions on the feeding and respiration rates of the common rotifer Philodina gregaria from moraine ponds of the McMurdo Ice Shelf [K081_1995_1996_NZ_1]
Parts of the McMurdo Ice Shelf area is covered by freshwater ponds, many of which contain abundant growths of algae and cyanobacteria and few invertebrate species. The habitat is very variable in ...


48. The response of microbial communities in the ponds of the McMurdo Ice Shelf to autumn-winter-spring freeze conditions (light levels, temperature, salinity, etc) [K081_1995_2000_NZ_1]
Parts of the McMurdo Ice Shelf area is covered by freshwater ponds, many of which contain abundant growths of algae and cyanobacteria and few invertebrate species. The habitat is very variable in ...


49. The ecology (tidal and weather records, distribution and abundance of microbes and quantification of nitrogen transformation) of an Antarctic tidal lagoon and mudflats at Bratina Island, McMurdo Ice Shelf [K081_1992_1993_NZ_2]
A tidal lagoon at Bratina Island experiences a daily inundation with tidal height varying. Low tide reveals a network of ponds, streams and tidal flats that appear to be highly productive with all ...


50. Physiological and Molecular Mechanisms of Stress Tolerance in a Polar Insect [NSF-ANT03-37656]
Polar terrestrial environments are often described as deserts, where water availability is recognized as one of the most important limits on the distribution of terrestrial organisms. Global warming ...


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