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1985 Titles Match Your Query
Showing 1 through 50 of 1985 Next
1. ABoVE: Dall Sheep Track Sinking Depths, Snow Depth, Hardness, and Density, 2017 [Snowpack_Dall_Sheep_Track_1583_1]
This dataset contains Dall sheep (Ovis dalli dalli) hoof sinking depths in snow tracks, and snow depth, hardness, and density measurements in snow pits adjacent to the tracks. Snow measurements were ...


2. ABoVE: Gridded 30-m Aboveground Biomass, Shrub Dominance, North Slope, AK, 2007-2016 [Maps_AGB_North_Slope_AK_1565_1]
This dataset includes 30-m gridded estimates of total plant aboveground biomass (AGB), the shrub AGB, and the shrub dominance (shrub/plant AGB) for non-water portions of the Beaufort Coastal Plain ...


3. ABoVE: Thaw Depth at Selected Unburned and Burned Sites Across Alaska, 2016-2017 [ABoVE_Thaw_Depth_1579_1]
This dataset provides thaw depth measurements made at seven locations across Alaska, during August 2016 and June and September 2017. Three of the locations are paired unburned-burned sites. At each ...


4. AAliens in Antarctica tourist and scientist numbers 2007 - 2008 [Aliens_in_Ant_Visitor_Numbers]   PARENT DIF
One Excel worksheet is provided. This contains estimates of the number of scientists (including their support personnel) landing at ice-free locations in Antarctica. Estimates were derived from station ...


5. Adelie penguin census from records from 1931 to 2007 AAT region [adpe-aat-census]
A catalogue of adelie penguin colony census records from 1931 to 2007 and limited geographically to the Australian Antarctic Territory (AAT). The present set is from 40E to Gaussberg (89E). The census ...


6. Dated Readings For Air Composition And Methane From Law Dome Ice Core [air_methane_lawdome]   PARENT DIF
This work was completed as part of ASAC project 757 (ASAC_757). This file comprises three main records compiled for publication in the following: V. Morgan, M. Delmotte, T. van Ommen, J. Jouzel, ...


7. Report on Temperature Corrections for Levelling Observations made at Australia's Antarctic Bases [temperature_corrections_levelling_Antarctica]
Information from the report: This report discusses the types of error that affect levelling observations, in particular in Antarctic conditions. It examines levelling done in the local areas of Australia's ...


8. Adelie Penguin Dietary Data From Bechervaise Island Antarctica [Adelie_diet_BI]
This dataset contains the results from surveys on the feeding habits of Adelie Penguins (Pygoscelis adeliae) on Bechervaise Island, Mawson, Antarctica. Surveys have been conducted since 1991, and ...


9. Moss desiccation experiments conducted at Casey 1998-99 and 1999-2000 by Jane Wasley [ASAC_1087_Desiccation]   PARENT DIF
Series of desiccation experiments conducted in the Casey station laboratories using field collected moss samples, as described in Wasley et al. 2006 and Wasley 2004. Data to be provided.


10. Population dynamics of the wandering albatross on Macquarie Island and the effects of mortality from longline fishing [Alb_longline_MI]
From the abstract of one of the referenced papers: The estimated breeding population of wandering albatrosses on Macquarie Island increased from 17 in 1956 to a maximum of 97 in 1966, and then declined ...


11. Project 3054 Season 1 Hydrocarbon ecotoxicological experiments Paramoera walkeri [AAS_3054_09_10_ecotox]   CHILD DIFs
Ecotoxicological bioassays were conducted at Davis and Casey Stations in 2009/10, 2010/11 and 2011/12 summer seasons to test the sensitivity of near-shore marine invertebrates to fuels in seawater. ...


12. Seismic stations at the Bransfield Strait, Antarctica, 2014-2015 [UGR_CORSHET_2014-2015]
This dataset comprises data from three seismic stations deployed across the Bransfield Strait, Antarctica, at Livingston Island, Deception Island, and Cierva Cove, from August 2014 to May 2015. Stations ...


13. GIS analysis, biological samples (soil microorganism, invertebrate and plant), automatic weather station data and vegetation and invertebrate surveys to determine the terrestrial biocomplexity of the McMurdo Dry Valleys - K020_2008_2013_NZ_1 [K020_2008_2013_NZ_1]
The McMurdo Dry Valleys are the largest area of snow-free land in Antarctica. Managers ability to promote and protect these areas would benefit if we knew the biodiversity present and what controls ...


14. High-Resolution Shrub Biomass and Uncertainty Maps, Toolik Lake Area, Alaska, 2013 [Shrub_Biomass_Toolik_Lake_AK_1573_1]
This dataset contains estimates for aboveground shrub biomass and uncertainty at high spatial resolution (0.80-m) across three research areas near Toolik Lake, Alaska. The estimates for August of ...


15. Derivation of an age scale for the Law Dome core - ice cores taken between 1987 and 1993 [DSS_age_scale]   PARENT DIF
Records of methane, and oxygen isotopes (ice and air) for Law Dome DSS (Dome Summit South) core through the last deglaciation (9000-19000 before present). Data are obtained from the entire DSS core, ...


16. Hydrocarbon exposure concentrations for bioassays 09_10 - Davis Station [AAS_3054_09_10_ecotox_hydrocarbon]   PARENT DIF
This dataset contains the results of replicate experiments which measured the total hydrocarbon content (THC) in water accommodated fractions (WAFs) of three fuels; Special Antarctic Blend diesel, ...


17. Tacheometric Survey Near Davis, 1978-79 [davis_tacheometric_1978]
A copy of field notes compiled during the course of the tacheometric survey of Davis Station and vicinity during the 1978-79 summer season. Taken from Wikipedia: Tacheometry, is a system of rapid ...


18. A vegetation assessment of Beaufort Island [K024_1996_1997_NZ_3]
The vegetation at Beaufort Island was assessed and a report written to ICAIR including a description of the area, species present, comparison to other Dry Valley vegetation, the merits of the vegetation ...


19. Assessment of the recovery of damage to mosses (from walking tracks, cores and slab removal) from the Taylor Valley [K024_1989_1990_NZ_3]
It is commonly accepted that mosses in the Dry Valley's grow very slowly. The recovery of mosses was investigated by locating and investigating in detail various damaged sites from previous activity ...


20. CMS: DARTE Annual On-road CO2 Emissions on a 1-km Grid, Conterminous USA, 1980-2012 [CMS_CO2_Relationships_1285_1]
This data set provides a 33-year, 1-km resolution inventory of annual on-road CO2 emissions for the conterminous United States based on roadway-level vehicle traffic data and state-specific emissions ...


21. Characteristics of African Savanna Biomes for Determining Woody Cover [gv_aws_850_1]
This data set includes the soil and vegetation characteristics, herbivore estimates, and precipitation measurement data for the 854 sites described and analyzed in Sankaran et al., 2005. Savannas ...


22. Collected Data from The Boreal Ecosystem-Atmosphere Study, NASA, CD-ROM [BOREAS_CDS_1350_1]
This data set provides Boreal Ecosystem-Atmosphere Study (BOREAS) project information and data collected at selected sites in the boreal forest of Saskatchewan and Manitoba, Canada from 1993 through ...


23. Collembolids (Gomphiocephalus hodgsoni) and mite (Stereotydius mollis) samples and surveys of the lower Taylor Valley for phylogenetic relationship studies [K024_2002_2003_NZ_1]
Both collembolids (Gomphiocephalus hodgsoni) and mites (Stereotydius mollis) were surveyed over the entire floor of the lower Taylor Valley with special attention paid to the stream areas and to wet ...


24. Comparative studies of vegetation surveys, maps, species lists and lichen growth rates of the Cape Hallett region (Seebee Hook, Willett Cove and the scree slopes surrounding them) with a 1968 study [K024_1998_1999_NZ_1]
The first botanical work at Cape Hallett was carried out when Hallett Station existed in the early to late 1960s. These studies were used for comparative purposes of vegetation cover and lichen growth ...


25. Estimates of growth rates of lichen from photographs of lichen thalli on the Mt Falconer summit and ridge and the Rhone Bench (above Lake Bonney), Taylor Valley [K024_1980_2008_NZ_1]
A small number of lichen thalli on Mt Falconer summit and ridge and the Rhone Bench (above Lake Bonney) were marked and photographed during the 80-81 field season. These plants were refound over subsequent ...


26. 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 ...


27. 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 ...


28. GIS mapping of vegetation cover at two specially protected areas; Botany Bay, Granite Harbour and Cape Bird [K024_2007_2008_NZ_2]
The ground cover of vegetation was mapped for the entire ASPA (Antarctic Specially Protected Areas) at Botany Bay, Granite Harbour and at Cape Bird including mosses, lichen and algae. The method for ...


29. Microfauna surveys of the vegetation of the Fryxell Stream flush area, Taylor Valley [K024_1989_1990_NZ_2]
Mosses were sampled from the Canada Glacier flush area, Taylor Valley, for included animals (major groups of microfauna in Antarctica are the protozoa, nematoda, tardigrada and rotifers) to attempt ...


30. NACP Soil Organic Matter of Burned Boreal Black Spruce Forests, Alaska, 2009-2011 [NACP_BlackSpruce_Burn-Severity_1331_1]
This data set provides organic soil layer characteristics, estimated carbon content, and soil depth measurements made at four black spruce stands in interior Alaska that had burned twice in the last ...


31. 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 ...


32. Plant biodiversity survey of the Cape Hallett region [K024_2004_2006_NZ_1]
Changes in biodiversity (the numbers, types and amount of terrestrial lichens and mosses) are expected to be one signal for environmental change. Better collection techniques, better identification ...


33. Plant biodiversity survey of the Granite Harbour, Darwin Glacier and Cape Crozier regions [K024_2006_2008_NZ_2]
The distribution and identity of lichens, mosses and endolithic algae were examined at sites around Granite Harbour, the Darwin Glacier and Igloo Spur at Cape Crozier to extend sampling of the Ross ...


34. Population genetics of the lichen species Umbilicaria aprina, Umbilicaria decussata and Buellia frigida along a latitudinal gradient in the Ross Sea region [K024_2006_2008_NZ_1]
A latitudinal change in population genetics of selected lichen species was conducted to determine whether these lichen communities have spread along a latitudinal gradient from northern latitudes ...


35. Pre-ABoVE: Arctic Vegetation Plots at Prudhoe Bay, Alaska, 1973-1980 [Prudhoe_Bay_Veg_Plots_1360_1]
This data set provides environmental, soil, and vegetation data collected between 1973 and 1980 from 89 study plots in the Prudhoe Bay region of Alaska. Data includes the baseline plot information ...


36. Pre-ABoVE: Arctic Vegetation Plots at Toolik Lake, Alaska, 1989 [Toolik_Lake_Veg_Plots_1333_1]
This data set provides environmental, soil, and vegetation data collected in August 1989 from 81 study plots at the Toolik Lake research site, located in the southern Arctic Foothills of the Brooks ...


37. Pre-ABoVE: Arctic Vegetation Plots, Frost Boil Sites, North Slope, Alaska, 2000-2006 [Frost_Boils_Veg_Plots_1361_1]
This data set describes the environment, soil, and vegetation on nonsorted circles and earth hummocks at seven study sites along a N-S-transect from the Arctic Ocean to the Arctic Foothills based ...


38. Pre-ABoVE: Geobotanical and Impact Map Collection for Prudhoe Bay Oilfield, Alaska [Prudhoe_Bay_Veg_Maps_1387_1]
This data set provides a collection of maps of geoecological characteristics of areas within the Beechey Point quadrangle near Prudhoe Bay on the North slope of Alaska: a geobotanical atlas of the ...


39. Soil CO2 Flux, Moisture, Temperature, and Litterfall, La Selva, Costa Rica, 2003-2010 [SOIL_CO2_Flux_Costa_Rica_1373_1]
This data set provides measurements of soil carbon dioxide (CO2) emission rates, soil moisture, relative humidity (RH), temperature, and litterfall from six types of tree plantations at the La Selva ...


40. The distribution and identity of terrestrial plant communities of the Lower Taylor Valley including lichens, mosses, hypolithic and endolithic algae [K024_1989_1990_NZ_4]
In the 1989-1990 season collecting trips were made to the Kukri Hills and to Mt. Falconer to prepare an initial species list of the Lower Taylor Valley. In the 2002-2003 season walking trips were ...


41. 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 ...


42. The use of computer models to predict changes in patterns and processes of terrestrial ecosystems in Antarctica: real data from automatic weather stations and digital cameras, dust samplers and soil samples [K024_2007_2008_NZ_1]
Field work was carried out to add to the creation of a dynamic geographic information system in which the specific observations about patterns and processes of the physical environment, plus observations ...


43. Vegetation mapping of the Fryxell Stream flush, Taylor Valley [K024_1989_1990_NZ_1]
The Frxyell Stream flows into Lake Fryxell in the Taylor Valley. Canada Pond lies upstream of Lake Fryxell adjacent to the Canada Glacier. The Fryxell Stream flush, both the upper flush (flush area ...


44. Vegetation survey in a proposed long-term monitoring site at Castle Rock [K024_1996_1997_NZ_1]
The site, near Castle Rock was delineated in a previous season by another investigator. The area was carefully searched and plants located, identified and as necessary, collected for herbarium and ...


45. Vegetation surveys and trails of a 'tracker' system to allow both topography and plant occurrence to be mapped at Cape Royds [K024_1996_1997_NZ_2]
A species list and vegetation notes of the Cape Royds area was completed. A high density of lichens occurred (eg Usnea sphacelata)at Horseshoe Bay and inland near the ice edge (Caloplaca sp.). A 'tracker' ...


46. Vegetation surveys of Granite Harbour region including Cape Geology, Botany Bay, Kar Plateau, Lion Island, Couloir Cliffs and Flat Iron [K024_1989_2000_NZ_1]
A preliminary survey of the plant life was conducted at Botany Bay and Cape Geology (Granite Harbour) to prepare an initial species list and to assess the general richness of the area (1989-1990). ...


47. Pre-ABoVE: Vegetation and Physiographic Features of Pingos, North Slope, Alaska [Pingo_Veg_Plots_1507_1]
This data set provides vegetation species and vegetation plot data collected between 1983 and 1985 from 293 study plots on 41 pingos on the North Slope of Alaska. The pingos were located within the ...


48. Hydrocarbon-degrading microbes and optimum environmental parameters for growth from soil samples (oil contaminated and pristine) from Scott Base, Marble Point, Lake Vanda and Bull Pass [K123_1996_1998_NZ_1]
Soil surface samples and soil profile samples (pits dug down to the ice cemented surface) were collected from both oil-impacted and pristine sites in the vicinity of Scott Base and at the abandoned ...


49. Soil profile descriptions, Lake Wellman region, Antarctica [K123_2007_2008_NZ]
We sampled a chronosequence of soils on moraines in the Darwin Mountains ranging from early Holocene (10 ky) to mid Quaternary (ca 900 ky) in age to test if the structure and diversity of microbial ...


50. The diversity of the microflora and microfauna and the thermal and moisture regimes of soils from contaminated and pristine soils from Scott Base, Marble Point and Bull Pass, Wright Valley [K123_1998_1999_NZ_1]
The impact of fuel spills on the biological, chemical and physical properties of Antarctic soils was investigated. Soil surface samples and soil profile samples (pits dug down to the ice cemented ...


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