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1. A Study of the Nitrogen-fixing Microbiota of Macquarie Island Plant Communities [ASAC_194]
The nitrogen fixing biota of Macquarie Island are dominated by cyanobacteria growing epiphytically or symbiotically with plants or lichens. Highest rates of acetylene reduction (N-fixation) were found ...


2. A manipulative field experiment examining the recruitment of sessile epifauna to hard-substratum at potentially impacted and control locations. [ASAC_2201_Casey_tiles_1_sessile]
The recruitment of epifauna (sessile and mobile) on hard-substratum was examined in a field experiment using tiles. A total of 160 tiles were deployed at five locations, with 32 tiles at each location, ...


3. ASPA135 2011 6 band reflectance map at 3cm resolution [AAS_4361_ASPA135_2011_REF]
This record contains an orthomosaic of multispectral imagery collected by a 6 band camera (Tetracam Mini-MCA - http://www.tetracam.com/). Data was collected in February 2011 over the ASPA135 moss ...


4. ASPA135 6 band reflectance map at 3cm resolution [AAS_4361_ASPA135_2014_Ref]
This record contains an orthomosaic of multispectral imagery collected by a 6 band camera (Tetracam Mini-MCA - http://www.tetracam.com/). Data was collected in February 2014 over the ASPA135 moss ...


5. Absolute abundance of diatoms from CEAMARC cores [CEAMARC_Diatom_Absolute_Abundance]
This data provides the absolute abundance of diatom valves from cores recovered from the George V coast as part of the CEAMARC (Collaborative East Antarctic Marine Census) mission of 2007-2008. Data ...


6. Airborne, satellite and ground imaging spectroscopy data for estimation of chlorophyll content, leaf density and relative vigour of Antarctic mosses at ASPA 135 and Robinson Ridge study sites. [AAS_4046_spectroscopy_chlorophyll]
For the complete description, including images and original formatting, see the metadata file in the downloadable dataset. Research sites All remote sensing data sets were collected at two pilot ...


7. An R model to estimate the relative abundance of species from presence-absence data [AAS_4046_Estimate_Abundance_Model]
This record contains R code for a model that estimates the relative abundance of species using only presence-absence data. It is demonstrated using two examples with Antarctic mosses: One that explains ...


8. Antarctic Terrestrial Biodiversity Database [AAS_4296_Antarctic_terrestrial_biodiversity_DB]
A spatially explicit database of Antarctic biota. Taxa range from microbes to vertebrates and cover the entire Antarctic continent. This database began as the SCAR Biodiversity Database and under ...


9. Assessing UV-B induced DNA damage in Antarctic plants: is desiccation a compounding factor? [ASAC_1310]
Metadata record for data from ASAC Project 1310 See the link below for public details on this project. ---- Public Summary from Project ---- Increasing UV-radiation over Antarctica each spring may ...


10. Assessing the impact of contaminated sediments on hard-substrate Antarctic marine communities [ASAC_2691]
Metadata record for data from ASAC Project 2691 See the link below for public details on this project. Contaminants may persist in marine sediments and be re-suspended during storms or by the activity ...


11. 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 ...


12. Australia's Census of Antarctic Marine Life project [ASAC_2792]   CHILD METADATA
Metadata record for data from ASAC Project 2792 See the link below for public details on this project. Australia's Census of Antarctic Marine Life project. This project is a part of the international ...


13. Biodiversity of Microbial mats in Antarctica [ASAC_1049_Micromat]
From the Micromat home page: Research on microbial biodiversity in Antarctica is still in a starting phase though it is a very promising area of research. Antarctica is characterised by its geographical ...


14. Biodiversity, biogeography, reproduction and conservation of the Macquarie Island orchid Nematocerus (Corybas) dienema [ASAC_2545]
Metadata record for data expected from ASAC Project 2545 See the link below for public details on this project. The orchid Nematoceras (Corybas) dienema has been found in several distinct locations ...


15. Biogenic sediment history from diatom remains in cores along Wilkes Land [ASAC_1216]
Preliminary data set contains details of cores processed (eg. sample name/interval, dry weights, reactions, notes) and the methodology used. The future data set will document diatoms observed and ...


16. Biogeography in saline lake dinoflagellates: evolutionary jumps between limnic and marine systems [ASAC_3022]
Metadata record for data from AAS (ASAC) project 3022. Public The Vestfold Hills contains a suite of marine derived brackish to saline lakes that have simple food webs dominated by microorganisms, ...


17. Biology of Antarctic Algae [ASAC_102]
Metadata record for data from ASAC Project 102 See the link below for public details on this project. From the abstracts of some of the referenced papers: Six species of marine microalgae, namely ...


18. CEAMARC-CASO Benthic Trawl Samples - voyage 3 of the Aurora Australis, 2007-2008 [CEAMARC_CASO_200708_V3_BENTHIC_TRAWL_SAMPLES]
Sampling strategy: Samples from trawls or sledges are sieved on the trawl deck then sorted in the wet lab per taxonomic group. Sorting may vary from high taxonomic levels (order, family) to specific ...


19. CO2 incubation data collected during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_CO2_Incubations]   PARENT METADATA
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. ...


20. Carbon isotope measurements across different Antarctic water environments [AAS_3129_JBA_GCB]
Increased aridity is of global concern. Polar regions provide an opportunity to monitor changes in bioavailable water free of local anthropogenic influences. However, sophisticated proxy measures ...


21. Cascading effects of global climate change on near shore benthic communities in the Antarctic [ASAC_2300]
Metadata record for data from ASAC Project 2300 See the link below for public details on this project. ---- Public Summary from Project---- Antarctic reefs, like their tropical counterparts, harbour ...


22. Casey 1999-2000 Laboratory Notebook for Jane Wasley [JWasley-LabBook-Casey-1999-2000]   PARENT METADATA
Scanned laboratory notebook. - Notebook owner: Jane Wasley - Project: Jane Wasely PhD (ASAC 1087: The influence of water and nutrient availability on bryophyte communities in continental Antarctica) ...


23. Changes in vegetation on Macquarie Island 2000 to 2007 [ASAC_1015_macca_veg_change]
Taken from the report in the download file: Plot data and satellite imagery were used to examine changes in vegetation between 2000 and 2007. These data were examined in light of changes in rabbit ...


24. Chlorophyll a data collected during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Chlorophyll_a]   PARENT METADATA
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% ...


25. Climate change and carbon gain in Antarctic mosses [AAS_2780]   CHILD METADATA
Metadata record for data from AAS (ASAC) project 2780. Public Summary The distribution of plants in Antarctica is chiefly limited by the availability of water and sufficiently high temperatures. ...


26. Climate change and carbon gain in Antarctic mosses - Drying Responses [AAS_2780_dryingresponse]   PARENT METADATA
We compared the drying responses of clumps of moss from Casey Station, Antarctica, evaluating the changes in mass, water content, photosynthesis (measured by chlorophyll fluorescence), cellular solute ...


27. Comparative Study of the Composition and Transport of Particulate Biogenic Matter in the Shelf, Slope and Pelagic Watercolumn of Prydz Bay [ASAC_288]
Metadata record for data from ASAC Project 288 See the link below for public details on this project. From the abstract of the referenced paper: In January-February 1991, in Prydz Bay, phytoplankton ...


28. Comparative study of processes controlling carbon export in Southern Ocean environments characterised by a different hydrodynamical and ecological functioning [ASAC_1343]
Preliminary Metadata record for data expected from ASAC Project 1343 See the link below for public details on this project. Comparative study of the processes controlling carbon export in Southern ...


29. Conservation of plant biodiversity in Antarctica - a genetic approach [ASAC_2152]
Samples from Macquarie Island were collected between 1998 and 1999. Samples from Heard Island were collected during 2000. Terrestrial vegetation in Antarctica is restricted to isolated populations ...


30. 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. ...


31. Copies of field and lab books associated with ASAC project 2201 - Natural variability and human induced change in Antarctic nearshore marine benthic communities [ASAC_2201_field_lab_books]   PARENT METADATA
These are the scanned electronic copies of field and lab books used at Casey Station and Davis Station between 1997 and 2012 as part of ASAC (AAS) project 2201 - Natural variability and human induced ...


32. Cultivation of novel Sub-Antarctic Plants [ASAC_1264]
Metadata record for data expected ASAC Project 1264 See the link below for public details on this project. ---- Public Summary from Project---- Australia's subantarctic islands are both precious ...


33. Data from a 3 m sediment core collected west of Pidgeon Island in the Windmill Islands, Antarctica [Diatoms_long_core]   PARENT METADATA
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 ...


34. 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, ...


35. Decomposition of introduced and natural materials in the Vestfold Hills, and introduced and indigenous Microorganisms [ASAC_251]
Metadata record for data from ASAC Project 251 See the link below for public details on this project. From the abstract of the referenced paper: The fungal floras of plant communities and mineral ...


36. Developing water and sediment quality guidelines for Antarctica: Responses of Antarctic marine biota to contaminants. [ASAC_2933]   CHILD METADATA
Metadata record for data from AAS (ASAC) Project 2933. See the child records for access to the datasets. Public While it is generally thought that Antarctic organisms are highly sensitive to pollution, ...


37. Diatom abundance from CEAMARC coretop samples [CEAMARC_Diatom_Abundance]
This dataset contains the abundance of diatom species found in the surface sediments from cores collected as part of the CEAMARC (Collaborative East Antarctic Marine Census) mission. The cores were ...


38. Diatom and associated data for examining the effects of heavy metal and petroleum hydrocarbon contamination on benthic diatom communities in Antarctica [diatoms_sre3]   PARENT METADATA
Full title: Diatom and associated data for a manipulative field experiment examining the effects of heavy metal and petroleum hydrocarbon contamination on benthic diatom communities in the Windmill ...


39. Diatom identification and counts from 7 multicore locations on Kerguelen Plateau, Southern Ocean [AAS_3214]   CHILD METADATA
This dataset was collected as part of an honours project by Jessica Wilks at Macquarie University (submitted May 2012). The samples analysed were taken from an expedition conducted by Dr Leanne Armand ...


40. Diatom species and biogenic particle fluxes in the Australian sector of the Subantarctic and Polar Frontal Zones at ~ 1 km depth [AAS_4078_diatoms_biogenic_flux_subantarctic]
Diatom and biogenic particle fluxes were investigated over a two-year and six-year periods at the Subantarctic and Polar Frontal Zones, respectively, in the Australian Sector of the Southern Ocean. ...


41. Diatom species and biogenic particle fluxes in the Australian sector of the southern Antarctic Zone [AAS_4078_diatoms_biogenic_flux]
Diatom and biogenic particle fluxes were investigated over a one-year period (2001-02) at the southern Antarctic Zone in the Australian Sector of the Southern Ocean. Two vertically moored sediment ...


42. Diatom species of the Australian sector of the Southern Ocean [AAS_4078_Diatom_Images]
The collection aims to showcase the range of Southern Ocean diatom species found in the major hydrological provinces of the Australian Sector of the Southern Ocean along the 140 degrees E. The collection ...


43. Diatom, and associated data from grid samples collected in Brown Bay [Diatoms_bbg]   PARENT METADATA
Sediment samples were collected from nine points along 3 parallel transects within the contaminated Brown Bay. The diatom spreadsheet (diatom_data) contains both initial diatom counts and the relative ...


44. Differential GPS data collected at Heard Island 2003/04 for the Regional Sensitivity to Climate Change in Terrestrial Ecosystems (RiSCC) program [ASAC_1015_HIGPS03_04]
Metadata notes for RiSCC Heard Island 2003_04 season (ASAC 1015) - DGPS data and Base Station data DGPS data are described below, and associated data files listed. 1. Three Island study - Phenology ...


45. 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 ...


46. 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 ...


47. Effects of UV radiation on community establishment: a global perspective [ASAC_1233]
Increased ultraviolet radiation (UV-A and/or UV-B) may impact on the establishment and structure of a shallow water benthic invertebrate assemblages. A global experiment in more than 8 countries, ...


48. Effects of ocean acidification on Antarctic marine microbes [TNE_8A_acidification_microbes]
Three experiments were performed at Davis Station, East Antarctica 77 degrees 58' E, 68 degrees 35' S to determine the effects of ocean acidification on natural assemblages of Antarctica marine microbes ...


49. Embolism repair in two species of cushion plants on Macquarie Island [AAS_4192_images]
This data set deals with embolism repair in two species of cushion plants (Colobanthus muscoides and Azorella macquariensis) which grow on Macquarie island and rely on protoxylem for water transport. ...


50. Environmental Impact Assessment of the Davis Sewage Outfall [DAVIS_STP]   CHILD METADATA
Untreated, macerated wastewater effluent has been discharged to the sea at Davis Station since 2005, when the old wastewater treatment infrastructure was removed. This environmental assessment was ...


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