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Showing 1 through 39 of 39
1. DNA sequence data collected during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_DNA_Sequences]   PARENT DIF
Purpose of experiments: Sequence data obtained to determine community structure of pack sea-ice microbial communities and whether it is effected by exposures to elevated CO2 levels. Summary of Methods: ...


2. CO2 incubation data collected during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_CO2_Incubations]   PARENT DIF
Pulse Amplitude Modulation (WaterPAM, Walz) was used to measure the response of the sea ice brine microalgae to CO2 stress. All data was reported in WinControl software and follows standard formats. ...


3. Sea ice algae growth rate data collected during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Algae_Growth_Rates]   PARENT DIF
Chlorophyll data was used to measure growth rates of sea ice algae in CO2 incubations. Sea ice brine microalgae was collected from sackholes. Replicate samples were incubated in ambient air (~0.04% ...


4. Under ice photosynthesis data collected during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Under_Ice_Photosynthesis]   PARENT DIF
Data were obtained from vertical profiles of a Fast Repetition Rate Fluorometer (FRRF, Chelsea FASTocean). The full set of parameters available are reported here. FRRF data have been integrated with ...


5. Chlorophyll a data collected during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Chlorophyll_a]   PARENT DIF
Chlorophyll data was used to measure growth rates of sea ice algae in CO2 incubations. Sea ice brine microalgae was collected from sackholes. Replicate samples were incubated in ambient air (~0.04% ...


6. 2010/11 VMS - Fast Repetition Rate Fluorometer (FRRF) sampling on the Aurora Australis [VMS_FRRF]
FRRF deployments were conducted at 22 sites in conjunction with ship stop times when the CTD was deployed. See event log for locations. Some underway FRRF sampling was conducted on the return voyage. ...


7. Antarctic ice sheet history and stability: baseline palaeoclimate research on the Pagodroma Group, Prince Charles Mountains. [ASAC_1220]
Detailed sedimentary information and palaeontological samples were collected from Battye Glacier Formation, of the Pagodroma Group in the Prince Charles Mountains, an area where little information ...


8. Contribution of dinoflagellates to Antarctic coastal zone carbon flux [ASAC_988]
Some scanning electron microscope images were taken of dinoflagellates sampled as part of this project. A catlogue of the images taken is provided as part of the download file at the url given below. ...


9. Data from a 3 m sediment core collected west of Pidgeon Island in the Windmill Islands, Antarctica [Diatoms_long_core]   PARENT DIF
A sediment core was collected from the western side of Pidgeon Island, (66.3216 S, 110.445 E) at a water depth of 82.0 m. This sediment core (PG 1411-2) was recovered using a release-controlled piston ...


10. Diatom data for ten sediment cores collected in 3 marine bays in the Windmill Islands, Antarctica [Diatoms_short_cores]   PARENT DIF
Ten sediment cores were collected from 3 marine bays in the Windmill Islands. Two cores were collected in Sparkes Bay, one in Shannon Bay, and seven in Brown Bay. Only diatom data are presented here, ...


11. Diatom data for transects at 4 locations in the Windmill Islands [Diatom_transects]
Sediment samples were collected from four locations within the Windmill Islands (Cloyd Island, Odbert Island, Shannon Bay and Brown Bay). Within each location three parallel transects were created, ...


12. Effect of Global Change on the Primary Production of Antarctic coastal Ecosystems [ASAC_2518]
Metadata record for data from ASAC Project 2518 See the link below for public details on this project. Global climate change will lead to a reduction in the duration and thickness of sea ice in coastal ...


13. Effects of Enhanced UV-B on Sea Ice Algae [ASAC_765]
From the abstract of some of the papers: It has been suggested that increased springtime UVB radiation caused by stratospheric ozone depletion is likely to reduce primary production and induce changes ...


14. Fast Repetition Rate Fluorometer Data for BROKE-West voyage [BROKE-West_FRRF]   PARENT DIF
At each CTD station the Fast Repetition Rate Fluorometer (FRRF) was carried out onto the trawl deck and shackled (+ cable tie) to the winch cable. When the crew in the aft control room were ready ...


15. Interseasonal variability of benthic diatoms communities within the Windmill Islands, Antarctica [Diatoms_seasonal_var]   PARENT DIF
Sediment samples were collected with an Eckamn grab from four locations within the Windmill Islands (Herring Island, O'Connor Island, Shannon Bay and Brown Bay). A weekly sampling program was performed ...


16. Late Holocene precipitation record from Windmill Island lakes [ASAC_1223]
Antarctic lake cores record a history of precipitation in the preservation of climate sensitive microbial communities. Comprehensive integration of our precipitation records with other climate proxies ...


17. Limnological and nearshore diatom communities of Heard Island: proxies of subantarctic climate change? [ASAC_2396]
---- Public Summary from Project ---- Heard Island offers scientists a unique subantarctic laboratory for investigating climate change. We will establish a reference set of microalgal floras from ...


18. Limnological and nearshore diatom communities of Macquarie Island: proxies of subantarctic climate change? [ASAC_2663]
Metadata record for data from ASAC Project 2663 See the link below for public details on this project. Public Summary Macquarie Island offers scientists a unique laboratory for investigating subantarctic ...


19. Neogene Biostratigraphy of the Pagadroma Group [ASAC_1065]
From the abstract of the referenced papers: The northern Prince Charles Mountains overlook the western side of the 700km long Lambert Glacier-Amery Ice Shelf drainage system. Within these mountains, ...


20. Neogene glacial geology of the Prince Charles Mountains [ASAC_2086]
From the abstracts fo some of the referenced papers: In the Amery Oasis of the northern Prince Charles Mountains, the glaciomarine Bardin Bluffs Formation of the Pagodroma Group was deposited between ...


21. Palaeoclimate Analysis of Sediment Cores from the Fjords and Lakes of the Vestfold Hills [ASAC_784]
From the abstracts of some of the referenced papers: The relationship between surface sediment diatom assemblages and measured limnological variables in 33 coastal Antarctic lakes was examined by ...


22. Photosynthetic rates of Antarctic sea-ice algae [ASAC_854]
From the abstract of one of the papers: Oxygen microelectrodes were used to measure the photosynthetic rates of Antarctic fast ice algal mats. Using the oxygen flux across the diffusive boundary ...


23. Phytoplankton Distribution in Surface Samples and Cores from Prydz Bay and Long Fjord and its Relationship to Sea Level and Climatic Change [ASAC_492]
Metadata record for data from ASAC Project 492 See the link below for public details on this project. From the abstracts of the referenced papers: Diatom assemblages in two ...


24. Phytoplankton Ecology in the Fjords of the Vestfold and Larsemann Hills [ASAC_640]
From the abstract of the referenced paper: Spring phytoplankton communities in the water column of Ellis Fjord are characterised by diatoms originating from the bottom sea-ice strand community. ...


25. Phytoplankton and hydrological succession in Omega and Taynaya Bays, eastern Antarctica [ASAC_2146]
Metadata record for data from ASAC Project 2146 See the link below for public details on this project. From the abstracts of the referenced papers: Early season phytoplankton ...


26. Preliminary investigation of growth and photosynthesis of sea ice algae during winter [ASAC_832]
Microalgal assemblages associated with the winter Antarctic pack ice sheet were examined for photosynthesis-irradiance characteristics in relation to light availability. Pack ice, the dominant form ...


27. Response of Diatoms to Changing Ecological Parameters in the Vestfold Hills: Implications for Climate Change [ASAC_782]
Preliminary Metadata record for data expected from ASAC Project 782 See the link below for public details on this project. A total of 67 diatom species were found from the surface sediment of 33 ...


28. Role of micronutrients in the sea ice microbial ecosystem [ASAC_2299]
The productivity of Antarctic waters may be controlled by the amount of iron. Experiments have shown that this is probably the case for phytoplankton but as yet we do not know if iron limits the growth ...


29. Sea Ice Algae of the Saline Lakes of the Vestfold Hills [ASAC_764]
Samples were taken from Ace Lake, Watts Lake, Dingle Lake and Williams Lake. 3-5 ice cores were taken from each lake, in the hope of finding phytoplankton. 13 cm diameter cores, sectioned at 20 cm ...


30. Sea ice primary production off eastern Antarctica [ASAC_1307]
Sea ice covers up to 20 million km2 of the Southern Ocean. When present it supports a vigorous ecosystem that provides energy and food for all other marine organisms. Using the latest micro sensor ...


31. Sedimentary Processes in the Fjord-like Embayments of the Vestfold and Larsemann Hills [ASAC_705]
Ellis Fjord is a small, fjord-like marine embayment in the vestfold Hills, eastern Antarctica. Modern sediment input is dominated by a biogenic diatom rain, although aeolian, fluvial, ice-rafted, ...


32. Spatial variability of benthic diatom communities in the Windmill Islands, Antarctica. [Diatom_spatial_var]   PARENT DIF
A hierarchical, 3-level, nested design was used. The highest hierarchical level consisted of six locations. Two of these locations, Brown Bay and Shannon Bay, have been contaminated with heavy metals ...


33. The Use of Lipid Biomarkers in Euphausia superba as a Parameter for Determining Energy Flow in the Antarctic Marine Food Web [ASAC_712]
From the abstracts of some of the referenced papers: During a period of short-term (19 days) starvation, total lipid in the digestive gland of Euphausia superba Dana decreased from 21 to 9% dry weight. ...


34. The effect of global climate change on Antarctic marine diatoms [ASAC_2302]
Antarctic marine diatoms are sensitive to environment change. This project will determine the environmental niches occupied by key diatom species in Antarctic sediments. This will allow climate changes ...


35. To Establish the Baseline Parameters for the Haematology and Red Blood Cell Metabolism of the Southern Elephant Seal (Mirounga leonina) [ASAC_545]
Metadata record for data from ASAC Project 545 See the link below for public details on this project. From the abstract of the referenced paper: Blood was collected ...


36. Use of Lipid Profiles of Euphausia superba as a Parameter for Determining Dietary Preferences and the Abundance and Spatial Distribution of krill [ASAC_508]
From the absracts of some of the referenced papers: During a period of short-term (19 days) starvation, total lipid in the digestive gland of Euphausia superba Dana decreased from 21 to 9% dry weight. ...


37. Sea ice algal composition, bloom potential and response to increased C02 observed during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Bloom_CO2]   PARENT DIF
This dataset contains pulse amplitude modulated (PAM) fluorometry measurements and chlorophyll concentrations for a series of incubation experiments performed during the 2012 SIPEX marine science ...


38. Battye Glacier Formation Paleontology and Sedimentology, Beaver Lake Region, Antarctica [ANDRILL_Pagodroma_Group]
Glacimarine strata of the Battye Glacier Formation (c.130 m thick), Pagodroma Group, exposed in the Amery Oasis of East Antarctica, provide a record of late Miocene palaeoenvironmental ...


39. Measurements of the effects of UV-B on sea ice algal growth and productivity [K131_1994_1998_NZ_4]
The effects of UV-B on the growth and productivity of sea ice algae was investigated with two experiments. The growth of sea ice algae was investigated in situ under four different light treatments ...


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