Search Help
Did you find what you were looking for? Yes No
Thumbnail Icon Science Keywords > BIOSPHERE > ECOLOGICAL DYNAMICS > ECOSYSTEM FUNCTIONS


Refine by Category
 
Refine by Full text

 

1112 Titles Match Your Query
Showing 1 through 50 of 1112 Next
1. ABoVE: Study Domain and Standard Reference Grids [doi:10.3334/ORNLDAAC/1367_1]
The Arctic - Boreal Vulnerability Experiment (ABoVE) has developed two standardized spatial data products to expedite coordination of research activities and to facilitate data interoperability. First, ...


2. CARVE: L1 In-situ Carbon and CH4 Flux and Meteorology at EC Towers, Alaska, 2011-2015 [doi:10.3334/ORNLDAAC/1424_1]
This data set provides ground in situ flux and meteorological science data from fixed instruments at three eddy covariance tower sites located in the Alaskan Arctic tundra. Real and gap-filled observations ...


3. AirMOSS: L4 Daily Modeled Net Ecosystem Exchange (NEE), AirMOSS sites, 2012-2014 [doi:10.3334/ORNLDAAC/1422_1]
This data set provides Level 4 daily estimates of Net Ecosystem Exchange (NEE) of CO2 at a spatial resolution of 30 arc-seconds (~1 km) for seven of the sites covered by the Airborne Microwave Observatory ...


4. AirMOSS: L4 Modeled Net Ecosystem Exchange (NEE), Continental USA, 2012-2014 [doi:10.3334/ORNLDAAC/1423_1]
This data set provides Level 4 estimates of Net Ecosystem Exchange (NEE) of CO2 across the conterminous USA at a spatial resolution of 50 km. Modeled estimates are provided at hourly and monthly temporal ...


5. CARVE: Alaskan Fire Emissions Database (AKFED), 2001-2013 [doi:10.3334/ORNLDAAC/1282_1]
This data set provides estimates of annual carbon emissions (kg carbon per square meter) from boreal fires at 450-m resolution for the state of Alaska between 2001 and 2013. To produce these data, ...


6. CMS: Aboveground Biomass from Penobscot Experimental Forest, Maine, 2012 [doi:10.3334/ORNLDAAC/1318_1]
This data set includes estimates of aboveground biomass (AGB) in 2012 from the Penobscot Experimental Forest (PEF) in Bradley, Maine. The AGB was modeled using LiDAR data gathered with the LiDAR Hyperspectral ...


7. CMS: Carbon Fluxes from Global Agricultural Production and Consumption, 2005-2011 [doi:10.3334/ORNLDAAC/1279_1]
This data set provides global estimates of carbon fluxes associate with annual crop net primary production (NPP) and harvested biomass, annual uptake and release by humans and livestock, and the total ...


8. CMS: Forest Biomass and Productivity, 1-degree and 5-km, Conterminous US, 2005 [doi:10.3334/ORNLDAAC/1221_1]
Notice: This data set and guide were updated on June 30, 2014 to correct an error in the reported units. The data values were not changed.Spatially-gridded estimates of above ground biomass (AGB), ...


9. CMS: Modeled Net Ecosystem Exchange at 3-hourly Time Steps, 2004-2010 [doi:10.3334/ORNLDAAC/1315_1]
This data set provides global, gridded, model-derived net ecosystem exchange (NEE) of CO2 flux between the land and atmosphere at 3-hourly time steps over seven years (2004-2010) at three different ...


10. Climate Change Science Program Collection [gov.noaa.ncdc.C01200]
The Climate Change Science Program (CCSP) Collection consists of publications and other resources produced between 2007 and 2009 by the CCSP with the intention of providing sound climate science for ...


11. Leaf Photosynthetic Parameters, Vcmax and Jmax, Barrow, Alaska, 2012-2016 [Leaf_Photosynthetic_Parameters_Vcmax_Jmax_Barrow_Alaska_2012-2016]
Photosynthetic parameters Vcmax and Jmax estimated from CO2 response curves and from light saturated photosynthesis using the one point method. Data were collected in Barrow 2012-2016 on 7 species.


12. Analysis of the effects of environmental factors (temperature, light, water content and CO2 concentration) on the photosynthesis activity of two common Antarctic mosses and a cyanobacterial mat in the Taylor Valley [K024_2002_2003_NZ_2]
A detailed study of how the environmental factors temperature, light, water content and carbon dioxide concentration affected photosynthesis of the two common mosses Bryum argenteum and Hennediella ...


13. Analysis of the endolithic communities in the McMurdo Dry Valleys: microclimate, biodiversity, community structure, biomass, photosynthetic activity and genetic diversity [K024_2003_2008_NZ_1]
The photosynthetic activity of endolithic communities at three sites in the Ross Sea Region, including Mt Falconer in the Taylor Valley, Linnaeus Terrace in the Asgard Range, the Nussbaumriegel in ...


14. Chlorophyll a fluorescence and temperature measurements from lichen and mosses buried under snow at Botany Bay, Granite Harbour [K024_1999_2000_NZ_2]
Fluorescence (chlorophyll a fluorescence) activity measurements were recorded for selected plants for about three weeks to determine if the photosystems of lichen or mosses are active in differing ...


15. Comparison of the photosynthetic performance of Umbilicaria species in the Ross Sea region [K024_2002_2003_NZ_3]
The photosynthetic performance of Umbilicaria species was measured under standard conditions in the laboratory and compared with Umbilicaria species from the Taylor Valley and Mt Kyffin.


16. Examination of the photosynthetic behaviour (energy content, nutrient content, productivity and acclimation) of mosses and lichens throughout the summer season at Cape Hallett [K024_2004_2006_NZ_2]
A possible sign of climate change is likely to be improved production and growth in plants. The response of net photosynthetic rates were measured on the large areas of relatively uniform moss cover ...


17. Experimental measurements of the effects of the environmental factors (temperature, light, water content and carbon dioxide concentration) on the photosynthesis activity of Antarctic mosses and lichens at Cape Hallett [K024_1998_1999_NZ_2]
A detailed study of how the environmental factors temperature, light, water content and carbon dioxide concentration affected photosynthesis of the two common mosses Bryum argenteum and B. pseudotriquetrum ...


18. Measurements of climate data and the effect of high light and low temperature on the photosynthetic response (photosynthetic gas exchange rates and fluorescence) of mosses and lichens at Granite Harbour [K024_1994_1995_NZ_1]
The winter snowfall (during 1994) was unusually large and the area of Botany Bay was uniformly covered to a depth of 50 to 70cm. Furthermore, air temperatures were low being rarely above -6° C. These ...


19. Measurements of lichen activity (chlorophyll a fluorescence) for an entire year from Botany Bay, Granite Harbour [K024_1999_2000_NZ_3]
A system was established at the back of Botany bay to monitor chlorophyll a fluorescence from a thallus of Umbilicaria aprina continuously through the winter and the next season (lichen activity through ...


20. Measurements of photosynthetic recovery after the winter cold and desiccation at Botany Bay, Granite Harbour [K024_2000_2001_NZ_1]
Three CMS400 photosynthesis systems were used to study the recovery of photosynthetic activity by lichens and mosses rewetted for the first time after the winter at Botany Bay, Granite Harbour.


21. Nutrient transfer from penguin colonies to the vegetation at Cape Hallett: A measurement of the transfer of organic nitrogen in the form of ammonia [K024_2004_2006_NZ_3]
The transfer of nutrients from marine to terrestrial ecosystems are though to be important for vegetation. The transfer rate of organic nitrogen in the form of ammonia from the penguin colonies to ...


22. Photosynthesis, fluorescence and microclimate measurements of several species of mosses and lichens from Botany Bay at Granite Harbour [K024_1991_1992_NZ_1]
The photosynthetic rate of Antarctic mosses and lichens was studied with investigations into the effects of high levels of light radiation and of possible UV effects. The mosses Pottia heimii, Bryum ...


23. Photosynthetic physiology (CO2/O2 exchange, optimum temperature and light levels) of common bryophytes species that grow in the melt streams from glaciers in the Dry Valleys [K024_1979_1980_NZ_3]
Previous work (by Rostofer, 1970) covered the photosynthetic physiology of two common bryophyte species (Bryum antarcticum and B. Argenteum) found in the melt-streams from glaciers in the Dry Valleys ...


24. The photosynthetic performance (photosynthesis response curves to light and water content at various temperatures) of the pale and dark forms of the lichen Usnea spacelata from Cape Royds [K024_1996_1997_NZ_4]
The photosynthetic performance of the fruticose lichen Usnea sphacelata was measured using advanced, climatised photosynthetic cuvettes at Scott Base. Individuals of the Usnea sp were identified and ...


25. AmeriFlux Gap-Filled Data from Selected Sites [NCAR_DS387.0]
AmeriFlux [http://ameriflux.lbl.gov/] is part of the larger network Fluxnet [http://daac.ornl.gov/FLUXNET/fluxnet.shtml] which endeavors to connect observations from regional ...


26. Ecozones, Ecoprovinces, Ecoregions, and Ecodistricts of Canada [Canada_AAFC_Eco]
In 1991 a collaborative project was undertaken by a number of federal agencies in cooperation with provincial and territorial governments, all under the auspices of the Ecological Stratification Working ...


27. 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 ...


28. 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, ...


29. ARCTIC80s_BIONESS [Canada_DFO_ARCTIC80s_BIONESS]   CHILD METADATA
This collection includes data collected during two Hudson cruises, one between July 29 to August 3, 1980 and the second between August 7 to August 14, 1983 Plankton samples were collected using the ...


30. 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. ...


31. Canada's Forest Inventory [CANEMRCCRSCFRDS]
The Canadian Forest Inventory (CanFI) consists of data including: Ecoregion (Environment Canada), Forest Section (Rowe 1972), access, data source, ownership, status, land ...


32. Canadian Intersite Decomposition Experiment [Canada_CFS_CdnIntersiDecompExp]
Several projects are underway to quantitatively model the current and potential changes in the carbon budgets of Canadian forests due to climate change. Information is limited for many of the processes ...


33. 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 ...


34. Copepod species composition and associated chlorophyll data from Resolute Passage between 1983 and 1989 [Canada_DFO_CopepodSpeciesComp]   CHILD METADATA
This dataset includes data collected from the ice station set up in Resolute Passage, 74 degrees 40'N and 94 degrees 54'W between the years 1983 to 1989. Plankton samples were collected using a 1/2m ...


35. Ecosystem Modeling in the Northwest Atlantic (CDEENA Program) [Canada_OSL_EcosystemModeling]
Mass-balance biomass models (Ecopath approach, inverse methods) are being used globally as an efficient and useful method to systematically describe ecosystems and to explore their properties (V?zina ...


36. Interannual differences in feeding success and annual growth anomalies of fish larvae [GLOBEC_028_CAN_005]
A central tenet of fisheries oceanography is that the growth rate of the planktonic larvae determines cumulative predation mortality during the first year of life and ultimately, year class strength. ...


37. Monitoring Leave Strips with RADARSAT Fine 2 Images [Canada_UBC_LeaveStripsRADARSAT]
RADARSAT Fine 2 mode data have been used to monitor riparian leave strips in new cutblocks which are quite often destroyed by windstorms. RAdar Imaging Natural Systems (RAINS) is a continuing study ...


38. Montane Alternative Silvicultural Systems, British Columbia, Canada [Canada_CFS_MontanAlterSilvicult]
Montane forests have a winter snowpack and are found between 700 and 1100 metres in elevation on central Vancouver Island. They contain a large part of the coastal timber harvest ...


39. Northern Biosphere Observation and Modelling Experiment [CANEMRCCRSNBIOME]
The Northern Biosphere Observation and Modelling Experiment (NBIOME) is a scientific program designed to address key issues and uncertainties in the relationship between terrestrial ecosystems and ...


40. Palmer Station Long-Term Ecological Research (LTER) ASRV Laurence M. Gould Annual Cruise B Data, January/February 1998 (Second Leg) [LTER_PAL_LMGR98B]
Annual sampling for the sixth Palmer Long-Term Ecological Research (LTER) January cruise was completed in two legs. Zooplankton sampling and bird observations within the foraging range of penguins ...


41. Palmer Station Long-Term Ecological Research (LTER) ASRV Laurence M. Gould Annual Cruise Data, January/February 1999 [LTER_PAL_LMGR99]
Annual sampling for the seventh Palmer Long-Term Ecological Research (LTER) January cruise was completed. The LTER stations were held on the Western Antarctic Peninsula LTER meoscale grid. Sampling ...


42. Palmer Station Long-Term Ecological Research (LTER) R/V Abel-J Annual Cruise A Data, January 1998 (First Leg) [LTER_PAL_LMG98]
Annual sampling for the sixth Palmer Long-Term Ecological Research (LTER) January cruise was completed in two legs. Zooplankton sampling and bird observations within the foraging range of penguins ...


43. Palmer Station Long-Term Ecological Research (LTER) R/V Nathaniel B. Palmer Fall Cruise Data, March 1993 [LTER_PAL_NBP93]
Data was collected during the Austral fall LTER R/V Nathaniel B. Palmer cruise covering region within the large scale LTER grid. Major objectives included: 1. Hydrographic survey of entire study ...


44. Palmer Station Long-Term Ecological Research (LTER) R/V Polar Duke Annual Cruise Data, January 1993 [LTER_PAL_PD9301]
Data was collected during the Austral summer LTER time-series R/V Polar Duke cruise. The time-series cruise carried out in three phases. Phase I covered the standard transect lines 600 and 500. ...


45. Palmer Station Long-Term Ecological Research (LTER) R/V Polar Duke Annual Cruise Data, January/February 1994 [LTER_PAL_PD9401]
Data was collected during the Austral summer LTER time-series R/V Polar Duke cruise. The cruise carried out in three phases. Phase I covered the standard transect lines 500 and 600. Phase II was ...


46. Palmer Station Long-Term Ecological Research (LTER) R/V Polar Duke Annual Cruise Data, January/February 1995 [LTER_PAL_PD9501]
Data was collected during the Austral summer LTER time-series R/V Polar Duke cruise. The cruise was carried out in three phases with repeated sampling of inshore stations. Phase I covers standard ...


47. Palmer Station Long-Term Ecological Research (LTER) R/V Polar Duke Annual Cruise Data, January/February 1996 [LTER_PAL_PD9601]
Data was collected during the Austral summer LTER time-series R/V Polar Duke cruise. The cruise was carried out in several sections with repeated sampling of inshore stations (gridlines 500,600; ...


48. Palmer Station Long-Term Ecological Research (LTER) R/V Polar Duke Annual Cruise Data, January/February 1997 [LTER_PAL_PD9701]
Data was collected during the Austral summer LTER time-series R/V Polar Duke cruise. The cruise was cruise carried out in several sections with repeated sampling of inshore stations, gridline 500, ...


49. Palmer Station Long-Term Ecological Research (LTER) R/V Polar Duke Spring Cruise Data, August 1993 [LTER_PAL_PD9307]
Data was collected during the Austral spring LTER time-series R/V Polar Duke cruise. Objectives included the following considerations: 1) ice processes - effect of ice on the ecosystem; 2) temporal ...


50. Production, Growth and Retention of Zooplankton and Ichthyoplankton on the Western Bank of the Scotian Shelf, Canada [GLOBEC_029_CAN_006]
The interaction of local and meso-scale physical and biological seasonality and the timing of critical events were shown to be important in the persistence of zooplankton and larval fish on Western ...


Showing 1 through 50 of 1112 Next
Click here for a static view of records.

Link to Web Site