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718 Titles Match Your Query
Showing 1 through 50 of 718 Next
1. A Survey of the Freshwater Macroinvertebrates in Streams and Lakes of Macquarie Island [ASAC_555]
In all, 15 sites on 12 streams were kick-sampled for invertebrates. Eleven fully aquatic taxa were found: a species of Iais (Isopoda: Janiridae); six species of oligochaetes (three enchytraeids, one ...


2. 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 ...


3. Response of Diatoms to Changing Ecological Parameters in the Vestfold Hills: Implications for Climate Change [ASAC_782]
A total of 67 diatom species were found from the surface sediment of 33 lakes in the Vestfold Hills, Antarctica. Water chemistry (including salinity, nutrients and major ions) is available for each ...


4. Assessment of the impact of human sewage effluent on benthic communities at Macquarie Island [ASAC_996]
Metadata record for data expected from ASAC Project 996 See the link below for public details on this project. The study investigated the effects of the small sewage outfall on algal epifauna in ...


5. Biogeochemical flux and phytoplankton assemblage variability: A unique year-long sediment trap record in the Australian Sector of the Subantarctic Zone. [AAS_4078_Wilks_SAZ_47S_sediment_trap_dataset]
This dataset is derived from sediment trap records collected by Thomas Trull as part of the multidisciplinary SAZ Project initiated in 1997 by the Antarctic Cooperative Research Centre (ACE CRC) ...


6. 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 catalogue of the images taken is provided as part of the download file at the provided URL. ...


7. DMS in the Southern Ocean [ASAC2100]
From 1991 to 2000 14 voyages have been completed in the Southern Ocean. Measurements of DMS (Dimethylsulfide) and DMSP (Dimethylsulfoniopropionate) have been carried out on surface and subsurface ...


8. Delineation of simple microecosystems associated with the quartz stone habitat in the Vestfold Hills [ASAC_992]
Quartz stone sublithic microbial communities and underlying soil, retrieved from the Vestfold Hills were investigated using a variety of traditional and molecular methods. Although direct epifluorescent ...


9. Macquarie Island Elephant Seal Populations 1985 Onwards [AADC-00102]
This dataset contains the results from studies of the Elephant Seal (Mirounga leonina) at Macquarie Island. Results from branding surveys and photographs from 1985 onwards are reported. Numbers, life ...


10. Role of Antarctic marine protists in trophodynamics and global change and impact of UV-B on these organisms - Rotation 2 of the Astrolabe - 2003/2004 samples - ASAC_40_AS0304R2 [ASAC_40_AS0304R2]
This dataset contains the locations of sampling sites for ASAC project 40 on rotation 2 of the French polar supply ship L'Astrolabe in the 2003/2004 season. Samples were collected between January ...


11. Role of Antarctic marine protists in trophodynamics and global change and impact of UV-B on these organisms - Rotation 4 of the Astrolabe - 2003/2004 samples - ASAC_40_AS0304R3 [ASAC_40_AS0304R3]
This dataset contains the locations of sampling sites for ASAC project 40 on rotation 3 of the French polar supply ship L'Astrolabe in the 2003/2004 season. Samples were collected between February ...


12. Cetacean Sightings Survey and Southern Ocean cetacean program [ASAC_915_2253]
Metadata record for data from ASAC Project 915 and 2253 See the link below for public details on these projects. Our cetacean research is conducted on multidisciplinary cruises aimed at investigating ...


13. Chemtax version 1.95 for calculating the taxonomic composition of phytoplankton populations [CHEMTAX]
CHEMTAX V1.95 This program was written by Chris Boucher, assisted by Harry Higgins and Simon Wright, for the Australian Antarctic Division. It is a stand-alone program that takes input from a Microsoft ...


14. Direct Molecular Analysis of Antarctica and Southern Ocean Microbial Communities [ASAC_867]
Metadata record for data from ASAC Project 867 See the link below for public details on this project. Dataset Sea-ice bacteria data are associated with ASAC_1012 and included there Data for bacteria ...


15. 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 ...


16. Food Consumption and Foraging Success of Free-ranging Southern Elephant Seals [ASAC_769]
Elephant seals use a suite of physiological and behavioural mechanisms to maximise the time they can be submerged. Of these hypo-metabolism is one of the most important, so this study quantified maximum ...


17. Food consumption and energy expenditure of free ranging southern elephant seals [ASAC_857]
Elephant seals use a suite of physiological and behavioural mechanisms to maximise the time they can be submerged. Of these hypo-metabolism is one of the most important, so this study quantified maximum ...


18. Functional dynamics of the microbial loop in saline lakes of the Vestfold Hills [ASAC_919]
Metadata record for data expected from ASAC Project 919. See the link below for public details on this project. The plankton dynamics of Ace Lake, a saline, meromictic basin in the Vestfold Hills, ...


19. Impact of changes in UV and visible radiation on the reflective properties of plant photosynthetic surfaces [ASAC_941]
We investigated how surface reflectance properties and pigment concentrations of Antarctic moss varied over species, sites, icrotopography, and with water content. We found that species had significantly ...


20. Mapping of Poa litorosa and Carex trifida in the Handspike Point area at Macquarie Island 28 March 2003 [ASAC_1015_MIGPS03]
Current positional data for Poa litorosa and Carex trifida at Handspike Point area (Macquarie Island) were collected using Global Positioning System (GPS) equipment and standard observational techniques. ...


21. 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 ...


22. Micrometeorology of Azorella macquariensis on Macquarie Island during the summer of 2015/6: An intensive field dataset. [AAS_4192_2015-16_Macquarie_Is_field_data]
The main purpose of the field campaign of Nov-Dec 2015 was to glean real-world data to facilitate the use of a model-data fusion process to infer the exchange of sensible heat and moisture fluxes ...


23. Nitrogen acquisition, assimilation and allocation in plants in Subantarctic and Antarctic ecosystems [ASAC_773]
In this study the nitrogen sources of plants were investigated for Macquarie Island in an ecosystem influenced by large amounts of animal-derived nitrogen. Different plant communities were studied ...


24. Organic Geochemical Studies on Peat Deposits from Macquarie Island [ASAC_87]
Data are extracted from the paper by S. A. Pickering and B.D. Batts, 'Patterns of Mono- and Difunctional Carboxylic Acids in Hydrothermal Leachates of Soil and Peat Humates: Geological and Environmental ...


25. Pelagic Fishes of the Eastern Antarctic Ocean - data from BROKE-East survey [ASAC_865]
This study investigated distribution patterns of pelagic fish, larvae and juveniles collected by RMT trawls during ANARE's BROKE survey to CCAMLR Division 58.4.1 (80 degrees to 150 degrees E and from ...


26. 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 ...


27. Post weaning dispersal and survival in the southern elephant seal [ASAC_862]
The objectives for this project were: The project aims to quantify the patterns of dispersal and survival of newly weaned southern elephant seal pups to provide information on position at sea and ...


28. Quaternary Vegetation History of Australian Subantarctic Islands [ASAC_77]
From the abstracts of some of the referenced papers: On Macquarie Island six palaeolake deposits dated from terminal Pleistocene to early-mid Holocene have been found at the top of cliffs which ...


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 Biota of Coastal Eastern Antarctica [ASAC_875]
The distribution and abundance of ice-associated copepods in the fast ice of the Australian Antarctic Territory were investigated over a distance of approximately 650 km between October and December ...


31. The effects of UV-B radiation on the nutritional composition of Antarctic phytoplankton [ASAC_872]
The actual piece of equipment used was an International Light IL 1700Radiometer equipped with broad band detectors to measure PAR, UV-A and erythemal UV-B. The effects of UV-B radiation on the fatty ...


32. Burrowing petrels at Heard Island, 1987/88. [ASAC_1219_HIMI_Pet]   PARENT DIF
Surveys were conducted at the eastern and western ends of Heard Island during the 1987/1988 season. Burrow densities in different habitat types (vegetated and unvegetated) were determined from fixed ...


33. Data: The roles of sea-ice, light and sedimentation in structuring shallow Antarctic benthic communities [AAS_2691_Clark_et_al_2016]
Data repository for the paper: "The roles of sea-ice, light and sedimentation in structuring shallow Antarctic benthic communities" Graeme F. Clark, Jonathan S. Stark, Anne S. Palmer, Martin J. Riddle, ...


34. Distribution and Viability of Zooplankton Eggs from Anoxic Sediments from the Vestfold Hills, Antarctica [ASAC_706]
Data set contains sediment cores from three saline lakes in the Vestfold Hills. The three lakes are Ace Lake, Lake Pendant and Lake Abraxas. Short cores from each lake are sectioned into 1 cm intervals. ...


35. Diving Physiology and Energy Requirements of Free Ranging Southern Elephant Seals [ASAC_589]
Southern elephant seals are among the deepest diving of all marine mammals. This study examined physiological and behavioural mechanisms used by the seals to conserve energy while diving and estimated ...


36. Ecological risks from oil products used in Antarctica: characterising hydrocarbon behaviour and assessing toxicity on sensitive early life stages of Antarctic marine invertebrates - bioassays of marine invertebrates [AAS_3054_bioassays_invertcontam]
This metadata record will contain the results of bioassays conducted to characterise the response of Antarctic nearshore marine invertebrates to hydrocarbon contaminants in fuels commonly used in ...


37. Ecology and Zoogeography of Parasites of Antarctic Fish [ASAC_67]
The body surface, mouth, gills, internal organs and tissues of 368 teleost fish of 26 species from Prydz Bay, Heard Island, Macquarie Island, Davis Station and Casey Station in Antarctica were examined ...


38. Fish biological and stomach contents data - Casey 1988 [c88_data]
Data from fish captured by Erwin, Casey 1988. Includes fish size, weight, sex, reproductive stage data as well as quantitative stomach contents data and qualitative position data. Approximate locations ...


39. Foraging Ecology of Gentoo Penguins [ASAC_709]
Gentoo penguins are the least numerous of the penguins breeding at Macquarie Island, and the only species to rear two chicks. This project examined the interactions between diving behaviour, diet ...


40. Further Investigations of the effects of the Nella Dan oil spill at Macquarie Island: Have benthic communities recovered? [ASAC_756]
Metadata record for data from ASAC Project 756 See the link below for public details on this project. From the abstract of one of the referenced papers: The shore environments of most sub-Antarctic ...


41. Heterogeneity of spatial layers in Antarctic terrestrial habitat [AAS_4296_Antarctic_spatial_layers_1km]
Spatial layers used to inform the delineation of 'habitats' in terrestrial Antarctica. These layers include climate data from the Antarctic Mesoscale Prediction System (e.g. temperature, precipitation, ...


42. Kerguelen Plateau demersal fish assemblages- Regions of Common Profile Analysis Products [AAS_4124_Kerguelen_Plateau_demersal_fish_assemblages]
Demersal fish form an important component of sub-Antarctic ecosystems. While understanding the distribution of key commercial species is the subject of much current research, patterns in the distribution ...


43. 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. ...


44. Population estimates of emperor penguins, Mawson coast, Antarctica [ASAC_484]
Metadata record for data from ASAC Project 484 See the link below for public details on this project. ---- Public Summary from Project ---- Emperor penguins are the only birds that breed in the Antarctic ...


45. Production and Fate of Dissolved and Particulate Organic Matter During Antarctic Phytoplankton Blooms [ASAC_630]
From the abstract of one of the papers: Phytoplankton biomass and speciation were monitored at an inshore site near Davis Station, East Antarctica during three consecutive summer seasons (December-February, ...


46. 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, ...


47. Southern Elephant Seal Foraging in the Southern Ocean [ASAC_468]
Twenty three juvenile (8-14 months of age) southern elephant seals (Mirounga leonina L.) from Macquarie Island were tracked during 1993 and 1995. Migratory tracks and ocean areas with concentrated ...


48. 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. ...


49. The Vertical Distribution of the Pelagic Fish 'Pleuragramma antarcticum' in Prydz Bay [ASAC_608]
A series of 6 sets of midwater trawls in Prydz Bay. Each trawl set took place over a 24 hour period to test the extent of diurnal vertical migration in P. antarcticum. Part of the KROCK cruise of ...


50. Trace Element Chemistry of Antarctic Saline Lakes and Fjords [ASAC_568]
From the referenced paper: The frigid concentration or freezing of seawater is an important natural phenomenon in the polar regions and results in the precipitation of a different sequence of salts ...


Showing 1 through 50 of 718 Next

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