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2121 Titles Match Your Query
Showing 1 through 50 of 2121 Next
1. CephBase [utmbnrcc_cephbase_obis]
CephBase is a dynamic html (dhtml) relational database-driven interactive web site that has been online since 1998. The prototype version of CephBase was developed at Dalhousie Univeristy in Halifax, ...


2. 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 ...


3. 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 ...


4. 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 ...


5. Landsat TM and MSS data from Eurimage [EURIMAGE_LANDSAT]
Eurimage distributes, in Europe, North Africa and the Middle East, Landsat data received at the following European Space Agency (ESA) ground receiving stations: Fucino ...


6. 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 ...


7. 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) ...


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


9. 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 ...


10. 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 ...


11. 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 ...


12. 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 ...


13. 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 ...


14. 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 ...


15. 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 ...


16. 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 ...


17. 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 ...


18. 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 ...


19. 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 ...


20. 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, ...


21. 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 ...


22. 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. ...


23. 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 ...


24. 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 ...


25. 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 ...


26. 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 ...


27. 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 ...


28. 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 ...


29. 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 ...


30. 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 ...


31. 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 ...


32. 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 ...


33. 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 ...


34. Habitability of Antarctic Lakes and Detectability of Microbial Life in Icy Environments by Autonomous Year-round Instrumentation [NSF-ANT13-40905]
This research will be the first to make year-round measurements of the microbial community, and several associated environmental variables, in the continuously liquid portions of Lake Bonney, Antarctica. ...


35. Habitability of Antarctic Lakes and Detectability of Microbial Life in Icy Environments by Aautonomous Year-round Instrumentation [NSF-ANT13-40606]
This research will be the first to make year-round measurements of the microbial community, and several associated environmental variables, in the continuously liquid portions of Lake Bonney, Antarctica. ...


36. Integrated Ecological Investigation of McMurdo Dry Valley's Active Soil Microbial Communities [NSF-ANT11-42096]
The McMurdo Dry Valleys in Antarctica are among the coldest, driest habitats on the planet. Previous research has documented the presence of surprisingly diverse microbial communities in the soils ...


37. 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 ...


38. 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 ...


39. 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 ...


40. 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 ...


41. Biodiversity survey at Mt Kyffin near the Beardmore Glacier [K024_2002_2003_NZ_4]
A four person party visited an area close to Mt Kyffin on the south side of the Beardmore Glacier and at nearly 84 South latitude. In the 59-60 season the presence of many plants (lichens) and insects ...


42. 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 ...


43. 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 ...


44. 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 ...


45. 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.


46. 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 ...


47. 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 ...


48. 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 ...


49. 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 ...


50. 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 ...


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