Skip to page 
                    contentLink to AMD home page Photograph by: Jeff Kietzmann, National Science Foundation
Link to AMD web site Link to AMD advanced search Link to GCMD data services Link to AMD metadata authoring tools Link to National Antarctic Data Centers Link to more information on AMD SCAR projects Link to GCMD web site
Thumbnail Icon Science Keywords > BIOLOGICAL CLASSIFICATION > BACTERIA/ARCHAEA > CYANOBACTERIA (BLUE-GREEN ALGAE)


Refine by Category
 
Refine by Full Text

 

60 Titles Match Your Query
Showing 1 through 50 of 60 Next
1. Subantarctic zone oceanography - SAZ Project 1997-1998 - Iron Related Data [ASAC_2256_Iron]   PARENT DIF
Oceanographic processes in the subantarctic region contribute crucially to the physical and biogeochemical aspects of the global climate system. To explore and quantify these contributions, the Antarctic ...


2. Collaborative Research: Biogeochemistry of Dissolved Organic Matter in Pony Lake, Ross Island - NSF-ANT03-38342 [NSF-ANT03-38342]
Dissolved organic matter (DOM) is a significant chemical component in aquatic systems because it acts as an important carbon source for microorganisms, absorbs harmful radiation in sunlight, is able ...


3. A mathmatical model of population dynamics to explain changes in biodiversity of microorganisms in ice covered marine environments [K043_2006_2007_NZ_1]
Physical, geographic and biological data were linked into a mathmatical model of population dynamics to integrate and explain the changes in biodiversity of phytoplankton, bacteria and cyanobacteria ...


4. Analyses of water and microbial mat samples collected from two ponds at Luther Peak, near Cape Hallett [K081_2003_2005_NZ_3]
Freshwater ponds have long been recognised as an important local biodiversity element in the Antarctic landscape. To broaden the understanding of pond systems within the Ross Sea region of Antarctica ...


5. Analysis of cyanobacterial mats for toxins [K081_2001_2002_NZ_3]
Mats of algae and cyanobacteria are often the dominant biomass of inland aquatic systems. A collection of samples of these mats were extensively sampled from the moraine ponds near Bratina Island ...


6. 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 ...


7. 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 ...


8. 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), ...


9. 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 ...


10. Benthic mat biomass, productivity (photosynthesis and respiration) and contributions to lake nutrient cycling in Lake Hoare, Taylor Valley [K081_1996_2000_NZ_1]
The importance of benthic microbial mat production in the Lake Hoare, Taylor Valley and how the mats are adapted to survive and grow in deep water (extreme low light but no freezing) was investigated. ...


11. Biodiversity and ecophysiology of Antarctic sea-ice bacteria [ASAC_1012]
The data set includes information relevant for the study and description of sea-ice bacteria contains the following dataset subgroups and is organised by REFERENCE number. 1) Isolation data: strain ...


12. Biological, physical and chemical parameters in water and microbial mat samples from ponds in Victoria Valley [K081_2003_2005_NZ_2]
Water and microbial mat communities of the ponds in the Victoria Valley was investigated to test the hypothesis that the gradient in climatic severity associated with latitudinal and altitudinal gradients ...


13. Biological, physical and chemical parameters in water and microbial mat samples from ponds in the Cape Hallett vicinity and cryoconite holes on the Tucker and Bornmann glaciers [K081_2005_2006_NZ_3]
A series of 10 ponds, located away from the main influences of the penguin colony at Cape Hallett, were investigated for variation in chemistry and microbial mat development. Cores of benthic microbial ...


14. Biological, physical and chemical parameters in water and microbial mat samples from ponds in the Labyrinth area of Wright Valley [K081_2003_2005_NZ_1]
Water and microbial mat communities of the ponds in the Labyrinth area of Wright Valley was investigated to test the hypothesis that the gradient in climatic severity associated with latitudinal and ...


15. Bratina Island ponds planktonic community dynamics [K160_2009_2010_NZ_1]
This study aimed to increase the knowledge of microbial biodiversity and the environmental factors which structure them paying special attention to the stratification transition zones within Bratina ...


16. Carbon and nitrogen fixation rates from microbial mat populations in moraine ponds on the McMurdo Ice Shelf [K081_2004_2005_NZ_4]
Carbon and nitrogen fixation experiments were conducted on mats collected from 10 of the ponds on the McMurdo Ice Shelf near Bratina Island. Nitrogen fixation was determined via reduction of acetylene ...


17. Characterisation of aquatic resources in McMurdo Sound region of Antarctica: water chemistry, biological identity and genomic samples [K081_2009_2010_NZ_1]
Aquatic environments in Antarctica have changes over time with a changing climate. Small aquatic zones on the surface of glaciers ablation zones are comparatively constant and represent perhaps the ...


18. 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 ...


19. Collaborative Research: Biogeochemistry of Dissolved Organic Matter in Pony Lake, Ross Island [NSF-ANT03-38260]
Dissolved organic matter (DOM) is a significant chemical component in aquatic systems because it acts as an important carbon source for microorganisms, absorbs harmful radiation in sunlight, is able ...


20. Collection of endolithic algae, sublithic algae and chasmolithic lichens in the McMurdo Dry Valleys [K009_1981_1982_NZ_2]
Collections of endolithic algae were made in the Meirs, Wright and Beacon Valleys and on the Asgaard Range. Sublithic algae were collected from the Taylor Valley. Chasmolithic lichens were collected ...


21. Collection of endoliths from Battleship Promontory, Convoy Range [K047_2000_2001_NZ_2]
Endoliths were collected from the Battleship Promontory, Allan Hills area. Endoliths were search for with a geo pick and recorded notes from each collection site was recorded. 35mm pictures and digital ...


22. Cyanobacterial distribution and abundance [CEAMARC_CASO_200708_V3_Cyanobacterial_distribution_and_abundance]
Counts of cyanobacterial abundance in filter concentrated samples of suface waters.


23. Determining the rates of nutrient uptake to create an approximate nutrient budget of microbial mats from Bratina Island ponds, McMurdo Ice Shelf [K081_2000_2001_NZ_5]
Mat cores from ponds on the McMurdo Ice Shelf were incubated in pond water which had been spiked by 50 µg l-1 of nitrate or phosphate. Three ponds were used for water samples (Skua, Duet and P70) ...


24. Distribution data and samples of non-marine algae for culture and DNA analysis to determine evolution and dispersal of algae along a latitudinal gradient [K124_2003_2004_NZ_1]
Algae populations at different points on a latitudinal gradient within the Ross Sea sector were investigated. At Cape Hallett, the distribution of the different algal communities were mapped by a ...


25. 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 ...


26. Ecophysiology (CO2 / O2 exchange, nitrogen fixation rates and chlorophyll a levels) of endolithic algae from Marble Point, Antarctica [K024_1979_1980_NZ_2]
Rocks containing endolithic algae were collected from the Marble Point area. Infra-red gas analysis and Warburg Manometry studies were carried out to ascertain carbon dioxide and oxygen exchange. ...


27. Environmental protection, management and classification of terrestrial ecosystems in the Ross Sea Region [K123_2010_2012_NZ_3]
Soil samples from a diverse range of soil types have been collected from the Wright and Victoria Valley Systems, to determine whether soil distribution patterns aid prediction of microbial abundance ...


28. Extremophiles in Antarctica during 1989-2004 [Extremophiles_in_Antarctica]
Studies on biodiversity of microorganisms in Antarctica were carried out since 20 years. Particularly attention was made on those microorganisms defined for their growth conditions extremophiles. ...


29. Geothermal Fumarole Subsurface Mt. Erebus, Antarctica [d2744050-427f-4b3f-824d-e96b7bd26368]
Recent applications of molecular genetics to edaphic microbial communities of the McMurdo Dry Valleys and elsewhere have rejected a long-held belief that Antarctic soils contain extremely limited ...


30. In situ measurements of photosynthesis in the benthic microbial mats at high depths under the perennial ice cover of Lake Hoare, Taylor Valley [K081_2004_2005_NZ_2]
In situ measurements of photosynthesis in the benthic microbial mats, that grow under the perennial ice cover, of Lake Hoare were measured to determine if photosynthesis is positive at considerable ...


31. Initial assessment for biological research in the Ross Island/Dry Valleys Region [K009_1977_1978_NZ_2]
The primary objective of this study was to assess the potential for biological, particularly botanical, research in the Ross Island/Dry Valleys region and to carry out preliminary studies in four ...


32. Inter-Valley Soil Comparative Survey of the McMurdo Dry Valleys [cca539d1-3e43-49bb-8e1f-8c1bda934a8c]
Recent applications of molecular genetics to edaphic microbial communities of the McMurdo Dry Valleys and elsewhere have rejected a long-held belief that Antarctic soils contain extremely limited ...


33. Investigations into the Deep Chlorophyll Maximum Layer of Lake Vanda, Wright Valley: How is the DCM maintained at a constant depth in spite of lake level rise? [K081_1994_1996_NZ_1]
The waters of Lake Vanda, Wright Valley, have risen at a rate of 1m per year. Within the lake there is a biologically important layer, the deep chlorophyll maximum (DCM), where high algal production ...


34. Lake Fryxell benthic ecology [K081_2009_2013_NZ_2]
In 2012/2013 we collected Samples and data collected along a depth transect at Lake Fryxell. This samples were collected by a dive team. The samples included water chemistry and microbial mat sampling. ...


35. Latitudinal Gradient Project - Australian contributions [LGP]
This record relates to the Australian component of the Latitudinal Gradient Project. The LGP is largely a New Zealand, US and Italian venture, but a small contribution has been made by Australian ...


36. Life In The Ice: Microbial Diversity and Function in Antarctic Sea Ice Ecosystems [K043_2010_2012_NZ_2]
Our hypothesis is that ‘spatial and temporal variations in diversity and ecosystem function of the sea ice microbial community are sensitive indicators of changing climatic conditions’. The research ...


37. McMurdo region meltwater ponds bacterioplankton survey [c36e6f54-f1e0-42d0-88dc-0e8939214076]
The investigation of bacterioplankton, mat and sediment microbial communities from the Bratina Island meltwater ponds in Late November 2009, January 2012 and January 2013 and from meltwater ponds ...


38. Microbial mat development and production variation in relation to physio-chemical variation in 13 ponds that all originated from one greater pond near Bratina Island on the McMurdo Ice Shelf [K081_2005_2006_NZ_1]
Microbial mat development and production varies from pond to pond due to the physio-chemical variation amongst the ponds. To study this variation a series of 13 ponds were selected that had originated ...


39. Microbial winter community composition and activity in Weddell Sea Ice 2013 [AWECS_FI_BIO_2013]
Investigation of sympagic microbial assemblages and their activities (primary and bacterial production) during the Antarctic winter 2013.


40. Monitoring and screening of bioactive compounds and toxins produced by Antarctic cyanobacterial strains. [CNR_ISE_CYANOBACTERIAL]
The photosynthetic microorganisms from the sea, soil and lakes represent a profitable resource for the production of biologically active compounds. The harsh environment of Antarctic with low level ...


41. Register of Antarctic Marine Species [SCAR-MarBIN] [SCARMarBIN_RAMS]   PARENT DIF
The objective of the Register of Antarctic Marine Species (RAMS) is to compile and manage an authoritative taxonomic list of species occurring in the Antarctic marine environment, for establishing ...


42. Sampling based chemical and biogeochemical stratification profiles of melt water ponds at Bratina Island, McMurdo Ice Shelf [K081_2005_2006_NZ_2]
A comprehensive suite of geochemical samples and measurements from a selection of meltwater ponds at Bratina Island was collected in the 2005/06 and 2006/07 seasons. The purpose was to help identify ...


43. Santiagoside, the first Asterosaponin from an Antarctic Starfish (Neosmilaster georgianus). [20-82_01]
A new asterosaponin, named santiagoside, has been isolated from the Antarctic starfish Neosmilaster georgianus and, its structure elucidated on the basic of extensive spectroscopic experiments and ...


44. SeaWifs Ocean Colour Data [seawifs]
From the SeaWifs NASA website: The purpose of the Sea-viewing Wide Field-of-view Sensor (SeaWiFS) Project is to provide quantitative data on global ocean bio-optical properties to the Earth science ...


45. Studies on the anaerobic sediments and underlying cyanobacterial mats from the McMurdo Ice Shelf [K081_1996_2000_NZ_2]
The pond ecosystems of the McMurdo Ice Shelf contain abundant growths of algae and cyanobacteria. The role of the anaerobic sediments underlying the cyanobacterial mats was investigated. Sediment ...


46. The adaptation of cyanobacterial mats from the McMurdo Ice Shelf, Mt Discovery and the Alph River system to Antarctic environmental extremes [K081_1990_1991_NZ_1]
The microbial adaptations of the cyanobacterial mats of the ponds of the McMurdo Ice Shelf to the environmental extremes experienced at this location, including changes in temperature and salinity, ...


47. The change in metabolism, and chemical and physical dynamics, after a transition from light to dark conditions, of melt water ponds on the McMurdo Ice Shelf [K081_2007_2008_NZ_1]
Detailed assessments of the metabolism in one melt water pond on the McMurdo Ice Shelf was investigated. The pond chosen had considerable background knowledge on its general chemistry and biology, ...


48. 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 ...


49. The distribution and identity of terrestrial plant communities of the Lower Taylor Valley including lichens, mosses, hypolithic and endolithic algae [K024_1989_1990_NZ_4]
In the 1989-1990 season collecting trips were made to the Kukri Hills and to Mt. Falconer to prepare an initial species list of the Lower Taylor Valley. In the 2002-2003 season walking trips were ...


50. 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 ...


Showing 1 through 50 of 60 Next

Link to NASA website
Responsible NASA Official:   Dr. Stephen Wharton
Webmaster:   Monica Lyles   ·  Contact GCMD User Support for assistance