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1. Aqueous geochemistry of the melt pools on the McMurdo Ice Shelf : A collaboration with the RISE (Ross Ice Shelf Ecosystem) programme [K013_1987_1988_NZ_1]
A large freshwater ecosystem on the McMurdo Ice Shelf and the lower Koettlitz Glacier, in the Ross Dependency, is an area some 1500 km2 . The area is covered by pools, lakes, streams and rivers, many ...


2. 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 ...


3. 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. ...


4. Biodiversity, Dynamics and Metabolics of Heterogeneous Meltwater Ponds [K025_2011_2012_NZ_3]
Microbial biodiversity and community dynamics within and between selected melt water ponds near Bratina Is will help to identify environmental drivers within ponds. Research will examine the metabolic ...


5. Biodiversity, Dynamics and Metabolics of Heterogeneous Meltwater Ponds - K025_2011_2013_NZ_3 [K025_2011_2013_NZ_3]
Microbial biodiversity and community dynamics within and between selected melt water ponds near Bratina Is will help to identify environmental drivers within ponds. Research will examine the metabolic ...


6. Biogenic gas emissions from glacial melt water ponds on the McMurdo Ice Shelf : A collaboration with the RISE (Ross Ice Shelf Ecosystem) programme [K013_1993_1994_NZ_1]
Aspects of the biogeochemical cycling of sulphur and iodine was examined on the McMurdo Ice Shelf at Bratina Island to investigate the role of glacial melt water ponds as a biogenic source of sulphur ...


7. 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 ...


8. 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 ...


9. 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 ...


10. Physiochemical speciation of trace metals in Dry Valley Lakes: Lake Fryxell, Lake Vanda and Lake Bonney [K013_1985_1986_NZ_1]
Limnological studies were conducted at mid-lake sites at Lake Fryxell, Vanda and Bonney in November and December 1985. The primary objective was to examine the speciation of metals in the water column ...


11. Planktonic community structure and species interactions in melt ponds on the McMurdo Ice Shelf and at Cape Bird [K083_1991_1992_NZ_1]
Depth integrated water samples were taken from 20 ponds near Bratina Island on the McMurdo Ice Shelf and 6 ponds from Cape Bird to characterise the planktonic community structure of the ponds and ...


12. Predicting contaminant impacts at Lake Vanda, Antarctica [K094_1995_1997_NZ_1]
Samples of water, phytoplankton, sediment, soil and bacterial mat were sampled from Lake Vanda and the old Vanda station site, in order to determine the fate of trace metal contaminants and their ...


13. The bacterial biomass of sea ice from Seabees Hook, Cape Hallett region [K043_2003_2005_NZ_2]
A taxonomic assessment of sea ice bacteria abundance and their response to climate induced stress was investigated from the sea ice around Seabee Hook, Cape Hallett. Four sites at different points ...


14. The biomass, productivity and biodiversity of algae and bacteria in Terra Nova Bay and the physical parameters of their environment [K043_2006_2008_NZ_1]
The total biomass, productivity and biodiversity of algae and bacteria from the sea ice and the water column was investigated in Terra Nova Bay. Sampling sites in the Terra Nova Bay area were used ...


15. The response of sea ice and brine water algae and bacteria to changes in salinity, temperature, light and UVB in Terra Nova Bay [K043_2006_2008_NZ_4]
Samples of the bottom ice algae and brine algae (within 30cm of the top of the ice) were subjected to temperature, salinity, light and UVB experiments and analysed with PAM rapid light curves to determine ...


16. Salt, nutrient and other contaminant analysis of soil samples taken near the old Vanda Station [K105_1993_1994_NZ_2]
Water and soil samples from Vanda Station were found to have contamination by apparently anthropogenically derived components (such as heavy metals) and these contaminants are moving in the soils ...


17. 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 ...


18. Sea ice productivity in the Mertz Glacier Region [K043_2002_2004_NZ_1]
Eastern Antarctic sea ice algal biomass were measured in the spring of 2002, 2003 and 2004. Productivity was measured by 14C in 2002 and by oxygen electrodes in 2002 and 2004. Biomass was low, in ...


19. Soil and salt samples and geological observations from high altitude sites in the Upper Taylor Valley to determine the history of the Antarctic environment through the composition of salts in soils [K105_1997_1998_NZ_1]
To understand the processes of Antarctic soils as they affect the composition and distributions of salts and ice in and below the soils, the salts in very old soils and paleosols were investigated. ...


20. Spatial variation measurements of the hydrology and glaciology of the Dry Valleys [K161_1969_1991_NZ_5]   CHILD DIFs   PARENT DIF
The long term hydrology/glaciology study carried out in the McMurdo Dry Valleys was conducted to gain information on the hydrological behaviour of the Dry Valleys rivers and lakes, particularly for ...


21. Streamflow monitoring of the Onyx River in the Wright Valley and various other glacier melt streams in the Dry Valleys [K161_1969_1991_NZ_2]   PARENT DIF
Monitoring of the stream flow of glacial streams in the Dry Valleys was monitored from the 1969/1970 summer until the 1990/1991 season. The data was used to contribute to the understanding of the ...


22. Temperature and conductivity data loggers within ponds and weather data surrounding ponds on the McMurdo Ice Shelf [K081_1995_2008_NZ_1]
Logging stations were installed at Bratina Island since the 1995-1996 season to monitor temperature and conductivity within various ponds and air temperature, incident radiation and UVA and UVB radiation ...


23. Temperature and salinity profiles of the lakes in the Ross Sea Region [K009_1969_1970_NZ_2]   PARENT DIF
Temperature and salinity profiles and general characteristics of Deep Lake and Lake Bonney were investigated.


24. 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, ...


25. The biomass, productivity and biodiversity of algae and bacteria in Granite Harbour and the physical parameters of their environment [K043_2008_2009_NZ_2]
The total biomass, productivity and biodiversity of algae and bacteria from the sea ice and the water column was investigated in Granite Harbour. Sampling sites in the Granite Harbour area were used ...


26. The biomass, productivity and biodiversity of algae in the Cape Hallett region [K043_2003_2005_NZ_1]
The distribution and biodiversity of algae was assessed to enable possible future predictions of the effects of global warming. Sites (5 in the first season, 4 in the second) were established around ...


27. The biomass, productivity, physiology and grazing pressures of phytoplankton during the polar winter in the Ross Sea region [K043_2007_2008_NZ_1]
What happens to primary production during the long polar night was investigated in the Ross Sea region. Phytoplankton samples were obtained from the water column at Cape Armitage and Cape Evans. Phytoplankton ...


28. 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, ...


29. 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 ...


30. The ecology (tidal and weather records, distribution and abundance of microbes and quantification of nitrogen transformation) of an Antarctic tidal lagoon and mudflats at Bratina Island, McMurdo Ice Shelf [K081_1992_1993_NZ_2]
A tidal lagoon at Bratina Island experiences a daily inundation with tidal height varying. Low tide reveals a network of ponds, streams and tidal flats that appear to be highly productive with all ...


31. The effects of UVB on growth and productivity and photoadaptations of bottom ice algae at Cape Evans, McMurdo Sound [K136_1999_2002_NZ_1]
Sea ice hosts a large community of algae which is released into the food chain when the ice melts. The sea ice algae grow rapidly in the Antarctic spring at a time that coincides with the ozone hole ...


32. 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 ...


33. The factors controlling planktonic primary and secondary production in 22 meltwater ponds varying in chemical conditions, and in layers of stratified ponds [K081_2006_2007_NZ_1]
The importance of the large differences in chemistry in the ponds of the McMurdo ice shelf for their planktonic productivity was examined by comparing rates of primary (algal) production and secondary ...


34. The hydrology (pattern of flow and composition of meltwater) of a cold based glacier, Wright Lower Glacier, Wright Valley, Antarctica [K064_2004_2007_NZ]   CHILD DIFs
The seasonal melt regime of the Wright Lower Glacier, Wright Valley, Dry Valleys, Antarctica was investigated and monitored over three field seasons (04-05, 05-06 and 06-07). The water cycle, which ...


35. The physical and biological structure of the water column in Lake Vanda and the influences to it from the inflow of the Onyx River [K081_1993_1996_NZ_2]
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. Prior to the first flows ...


36. The physical and geochemical parameters controlling algal production in Lake Vanda [K081_1980_1981_NZ_1]
The factors controlling algal production in Lake Vanda were investigated experimentally by nutrient bioassays and in situ radiotracer incubations. Photosynthetic profiles were measured through the ...


37. The presence and extent of interstitial meiofauna in sandy beaches and stream and coastal water sampling to determine the nutrient input to the sea from penguin colonies [K014_1974_1975_NZ_2]
The presence and extent of the interstitial meiofauna that developed in the sandy beach when the push-ice had melted or rafted out was investigated. The timing of melting was late and only a short ...


38. The rates of benthic photosynthesis of microbial mats at low irradiances in Lake Hoare and Lake Fryxell, Taylor Valley [K081_2006_2007_NZ_2]
Photosynthesis rates of microbial mats were measured at a range of irradiances to determine the performance of mats at low irradiances at Lake Hoare and Fryxell. Underwater irradiance measurements ...


39. The response of microbial communities in the ponds of the McMurdo Ice Shelf to autumn-winter-spring freeze conditions (light levels, temperature, salinity, etc) [K081_1995_2000_NZ_1]
Parts of the McMurdo Ice Shelf area is covered by freshwater ponds, many of which contain abundant growths of algae and cyanobacteria and few invertebrate species. The habitat is very variable in ...


40. The response of sea ice and brine water algae and bacteria to changes in salinity, temperature, light and UVB in Granite Harbour [K043_2008_2009_NZ_3]
In the 2008/2009 season, samples of the bottom ice algae and brine algae (within 30cm of the top of the ice) were subjected to temperature, salinity, light and UVB experiments and analysed with PAM ...


41. The role of grazing on sea ice algae and sea ice bacteria by ciliates and flagellated (zooplankton) in Terra Nova Bay [K043_2006_2008_NZ_3]
Sea water was collected from a depth of 2 meters below the sea ice in the region of Gondwana Station in Terra Nova Bay. Initial measurements of chlorophyll along with presence and abundance of ciliates ...


42. The spatial and temporal variability of nutrients (nitrogen, phosporous, carbon) and plant biomass (cyanobacterial biofilms) on the McMurdo Ice Shelf ecosystem [K081_1987_1988_NZ_1]
The area near Bratina Island was studied by examining scales (large and small) of variability (spatial and temporal) of nutrients and plant biomass on the McMurdo Ice Shelf (MIS) with an aim to examine ...


43. The structure and environmental physiology of Antarctic cyanobacterial mats in the McMurdo Ice Shelf ecosystem [K081_1989_1990_NZ_1]
A detailed understanding of how cyanobacterial mats in the ponds of the McMurdo Ice Shelf are structured and how they derive their carbon, nitrogen and energy supply was investigated with a broad ...


44. The transformation of nutrients in glacial meltstream waters from origin to discharge [K081_2000_2001_NZ_3]
Two stream were examined for the rates and directions of transformation of nutrients, Green Creek and Canada Stream. Both of these streams drain into Lake Frxyell in the Taylor Valley. Each stream ...


45. Trace element distribution and speciation in Lake Vanda, Wright Valley, Antarctica [K093_1987_1988_NZ_1]
In Nov/Dec 1987, waters were sampled from Lake Vanda, Don Juan Pond, and the Onyx River (Wright Valley) to provide information on major ion and trace element chemistry and behaviour under the range ...


46. Water chemistry and biology of the Canada Glacier glacial meltwater stream [K009_1981_1982_NZ_1]
Lake water chemistry is relatively well understood, whereas in comparison stream waters have been little studied. The chemistry of glacial meltwater from the Canada Glacier was characterised and the ...


47. Water nutrient chemistry of ponds on Bratina Island, Antarctica [K081_2004_2005_NZ_3]
Tweleve ponds on the McMurdo Ice Shelf were sampled to create and annual data set of water nutrient chemistry (DRP, NH4-N, NO3-N, TDN, TDP), pH, conductivity, temperature, phytoplankton chlorophyll ...


48. Algal composition, physico-chemical features, photosynthetic carbon metabolism, nitrogen cycling and the structure and metabolic properties of algal mats in lakes and streams of southern Victoria Land [K081_1983_1986_NZ_1]
A three year study of lakes and stream of southern Victoria Land was conducted from 1983-1986. In the first season, the algal composition and physico-chemical characteristics of South Victoria Land ...


49. Algal response to transplantation with a ice core flipping experiment, Terra Nova Bay, Ross Sea [K043_2006_2008_NZ_2]
Three ice cores were drilled in sea ice (2.1 m thick) in the region of Gondwana Station in Terra Nova Bay during the 06-07 season. The cores were stored in black plastic bags and then replaced back ...


50. An ecological study of Bird Pond at Cape Bird: water parameters, population density and identification plants and animals [K014_1970_1971_NZ_3]
A seasonal ecological study was carried out at Bird Pond, Cape Bird. At weekly intervals the water temperature, depth, conductivity, pH and light were recorded, water samples were analysed for oxygen, ...


Showing 1 through 50 of 81 Next

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