| 48 Titles Match Your Query |
Showing 1 through 48 of 48
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1.
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 ...
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2.
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 ...
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3.
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 ...
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4.
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 ...
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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 ...
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6.
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 ...
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7.
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, ...
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8.
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 ...
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9.
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 ...
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10.
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 ...
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11.
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 ...
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12.
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 ...
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13.
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 ...
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14.
Collection of marine sediment, algae, invertebrate and fish samples from multiple sites at diveable depths in the Ross Sea Region [K065_2008_2009_NZ_1]
In order to resolve the contribution of microbes (bacteria) in the benthic food web under the sea ice in Antarctica and to determine the level of recycling of carbon that occurs in the community, ...
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15.
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. ...
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16.
Oden Southern Ocean 2007 - hydrography and biogeochemistry [YagerOSO07]
Between November 30, 2007 and January 10, 2008, the Swedish Icebreaker Oden traveled between Punta Arenas, Chile and McMurdo Station, Antarctica. Along the way, primarily in the Amundsen and Ross ...
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17.
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 ...
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18.
Factors Affecting the Distribution of Juvenile Salmon in the Gulf of Alaska 2001-2004 [salmon_biodata_LTOP_CGOA]
Factors affecting the distribution of juvenile salmon in the Gulf of Alaska were examined to determine what biological and physical factors influence the distribution of juvenile salmon. CTD, ADCP ...
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19.
The development of anaerobic enrichment cultures and measurements of the rates of methanogenesis, the turnover of 14C acetate and the degradation of substrates from sediment samples from Bratina Island [K141_1992_1994_NZ_1]
Life in ponds and tidal lagoons of the McMurdo Ice Shelf is dominated by benthic cyanobacterial mats. Anaerobic conditions occur beneath these productive mats. A study was conducted to investigate ...
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20.
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 ...
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21.
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 ...
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22.
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 ...
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23.
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 ...
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24.
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, ...
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25.
Collaborative Research: Salpa Thompsoni in the Southern Ocean: Bioenergetics, Population Dynamics and Biogeochemical Impact [NSF-ANT03-38290]
Salps are planktonic grazers that have a life history, feeding biology and population dynamic strikingly different from krill, copepods or other crustacean zooplankton. Salps can occur in very dense ...
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26.
Isotopes in Gases in Firn Air and Shallow Ice at the Proposed WAIS Drilling Site [white_0440498]
This is a multi-institutional project investigating gas concentrations and isotope ratios of gases in the upper part of the Inland WAIS ice core. The Stable Isotope Lab at INSTAAR of the University ...
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27.
Baseline concentrations of elements in the Antarctic macrolichen Umbilicaria decussata [Antar_Macrolichen_Umbilicaria]
Total concentrations of major and trace elements were determined in samples of
the epilithic lichen Umbilicaria decussata from 24 ice-free areas in coastal
Victoria Land (Antarctica) during ...
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28.
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 ...
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29.
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 ...
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30.
Sea Ice Communities and Seasonal Processes, Nella Fjord, Antarctica [NELLAFJORD_BIO1]
For understanding the carbon flux and its variation in coastal sea ice, data on
the microalgal community structure associated with sea ice and sea water
environments was collected in Nella ...
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31.
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 ...
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32.
The physical and geochemical parameters controlling algal production in Lake Vanda [K081_1980_1981_NZ_1]
The factors controlling algal production in Lake Vanda were investigated experimentally by nutrient bioassays and in situ radiotracer incubations. Photosynthetic profiles were measured through the ...
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33.
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 ...
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34.
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 ...
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35.
The effects of increased flow on the distribution of nutrient sources and sinks and the physical, chemical and biological components in the Onyx River ecosystem [K081_1993_1996_NZ_1]
The waters of Lake Vanda, Wright Valley have risen at a rate of 1m per year. The rise was largely attributed to increased flows in its only significant inflow, the Onyx River. The effects of this ...
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36.
The changes in the physical, chemical and biological processes in melt water ponds during the late season freeze processes into the polar winter at Bratina Island [K081_2007_2008_NZ_2]
How the onset of winter conditions affects the physical and chemical conditions within the melt water ponds on the McMurdo Ice Shelf (of which summer information is available) and how these changes ...
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37.
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 ...
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38.
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 ...
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39.
CSIRO GASLAB Network: Individual Flask Measurements of Atmospheric Trace Gases, CDIAC/DB1021 [CDIAC_DB1021]
Data are available for four atmospheric trace gases at nine stationary
sites and one moving platform (aircraft over Cape Grim, Tasmania, and
Bass Strait, between the Australian continent and Tasmania). ...
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40.
The Biogeochemical Ocean Flux Study (Atlantic Ocean and Southern Ocean); data on CD-ROM published by the British Oceanographic Data Centre [BODC_BOFS_CDROM]
The British Oceanographic Data Centre publishes a CD-ROM of the
Biogeochemical Ocean Flux Study, which contains data from the North
Atlantic Ocean and the Southern Ocean. See Parameter Keywords and ...
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41.
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 ...
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42.
New record of moss and thermophilic bacteria species and physico-chemical properties of geothermal soils on the northwest slope of Mt. Melbourne (Antarctica) in 2002 [Thermophilic_bacteria_Melbourne]
Four samples of surface soils, one with shoots of an unidentified moss species,
were collected from a geothermal site on the northwest slope of volcanic Mt.
Melbourne (northwest Victoria Land, continental ...
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43.
Evolution and biogeochemical cycles of metal species in marine and lacustrine environments [MetalIonsInMarineAndLacustrEnv]
1995/96
Characterization of minor and trace metals in lacustrine ecosystems (Carezza
Lake, Inexpressible Island, Tarn Flat, Edmondson Point). Determinations in
lake waters, sediments, algae and soil. ...
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44.
The Sea as major source of ions to lichens in terrestrial ecosystems of Victoria Land [Ions_to_lichens_Victoria_Land]
Lichens and mosses constitute the bulk of plant biomass in terrestrial
ecosystem of continental Antarctica. On the hypothesis that cryptogams can be
used as an early warning system to detect the effects ...
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45.
An integrated approach to assess carbon dynamics in the Southern Ocean from the Belgian Antarctic Program [AMD_BE_CARBON_DYN]
This research attempts to determine the role - CO2 source or sink - of the
Southern Ocean on a regional and seasonal scale by implementing an
integrated multidisciplinary approach which combines in ...
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46.
Metabolic studies in Deschampsia antarctica [012-98_03]
Studies related to the content of non-structural sweeten in Desachampsia
antarctica, have been made since 1992. It has been found that the plant
accumulates high levels of saccharose and fructose. ...
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47.
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), ...
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48.
NERC Biogeochemical Ocean Flux Study (BOFS) data in the Southern Ocean (1992) [BODC_BOFS_SouthernOcean]
The aim of the Sterna 92 project was to measure the magnitude and
variability of carbon and nitrogen fluxes during early summer in the
Southern Ocean, with particular emphasis on rates and processes ...
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Showing 1 through 48 of 48
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