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95 Titles Match Your Query
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51. Investigations of the algal ecology of Lake Vanda, Wright Valley and Lake Miers, Miers Valley [K042_1964_1965_NZ_4]
The algal ecology of two Antarctic lakes, Lake Vanda, Wright Valley and Lake Miers, Miers Valley, were studied, and extensive collections were made of littoral and terrestrial algae, lichens and mosses. ...


52. Latitudinal Gradient Project (LGP) [K002_Latitudinal_Gradient_Project_LGP]
The Latitudinal Gradient Project (LGP) ("http://www.lgp.aq/") is aimed at increasing the understanding of the coastal marine, freshwater and terrestrial ecosystems that exist along the Victoria Land ...


53. 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 ...


54. Measurements of the amount of UV and visible radiation falling onto sea ice and the effects of enhanced UV radiation levels on sea ice algae [K136_1991_1992_NZ_1]
Sea ice algae are speculated to be considerably vulnerable to the effects of enhanced UV from the ozone hole during the Antarctic spring. The amount of UV and visible radiation falling onto the sea ...


55. Measurements of the effects of UV-B on sea ice algal growth and productivity [K131_1994_1998_NZ_4]
The effects of UV-B on the growth and productivity of sea ice algae was investigated with two experiments. The growth of sea ice algae was investigated in situ under four different light treatments ...


56. Meltwater geochemistry and biological characteristics of the Darwin Glacier region of Antarctica [K081_2007_2008_NZ_3]
Freshwater ponds have long been recognised as an important local biodiversity element in the Antarctic landscape. A suite of relatively easily measured chemical and biological variables that provide ...


57. 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 ...


58. Molecular genetics (DNA comparisons) of Prasiola crispa and Prasiola calophylla, two species of widspread Antarctic algae [K053_1993_1994_NZ_3]
Two species of widespread Antarctic algae were investigated with molecular genetics approaches to determine if they are two separate species. Prasiola crispa usually forms a sheet like growth on moist ...


59. Molecular systematics of Antarctic mosses [K024_1999_2001_NZ_1]
Estimating genetic variation is important in understanding a populations potential to track changing environmental conditions and for conservation management. Two molecular techniques, DNA sequencing ...


60. New Zealand and the South West Pacific Regional OBIS Node Marine Biodata Information System (MBIS) [OBIS_NZMBIS]
NIWA's (National Institute of Water and Atmospheric Research - New Zealand) MBIS (Marine Biodata Information System) database is a data warehouse of marine data that is used, among other things, to ...


61. Nitrogen fixation and carbon assimilation rates of fumarole plants from the Mt Erebus crater rim [K024_1979_1980_NZ_1]
Sterile samples of plants were taken from Mt. Erebus crater rim and returned to New Zealand for in situ acetylene reduction assays for nitrogen fixation and 14C assimilation assays.


62. 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 ...


63. Seafloor sampling (macrofauna, epifauna, macroalgae, sediments, video footage and still photographs) of the north western Ross Sea area including Cape Hallett, Cape Adare, Coulman Island and Cape Russell [K082_2003_2004_NZ_1]
As part of the Italian led Victoria Land Transect (VLT) project voyage on board the RV Italica, diver based surveys of the structural and functional diversity of the shallow water benthic communities ...


64. 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 ...


65. Survey of invertebrates, lichen, mosses and soil microbiology in the Shackleton, Scott and Beardmore Glacier regions. [K020_2009_2010_NZ_1]
A survey of biodiversity in the Central and Southern Transantarctic mountains including: Invertebrates (Collembola, Acari, Nematoda, Tardigrada, Rotifera); Lichens, Mosses, and Soil microbiology. ...


66. The Southwestern Pacific Regional OBIS Node [SW_PACIFIC_OBIS]   CHILD DIFs
NIWA's (National Institute of Water and Atmospheric Research - New Zealand) MBIS (Marine Biodata Information System) database is a data warehouse of marine data that is used, among other things, to ...


67. 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, ...


68. 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 ...


69. The biodiversity of the coastal underwater marine benthic ecosystem in the Ross Sea Region [K082_2001_2007_NZ]   CHILD DIFs
The long term research program ICECUBE (Coastal Underwater Benthic Ecosystems) provides fundamental information on the structural and functional biodiversity of Antarctic coastal benthic ecosystems. ...


70. 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 ...


71. 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 ...


72. 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 ...


73. 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 ...


74. 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 ...


75. The effects of increased PAR and UV on the xanthophyl cycle of Antarctic ice algae [K068_2005_2006_NZ_1]
The xanthophyll cycle is a photo-protection mechanism in phytoplankton which protects the photosynthestic machinery from damage by high light intensities. Sea ice algae in Antarctica live on the ...


76. The extent and manner in which salts are excluded from pond water during ice formation: ice core analysis, weather data and water samples [K081_2001_2002_NZ_2]
The hypothesis that stratification in the ponds of the McMurdo Ice Shelf is induced during the freezing process, as salts are excluded from the ice matrix during freezing was investigated over several ...


77. The importance of aerial transport in the distribution of microbes, the role of dried mats as reservoirs of viable propagules and the assessment of the habitat for the germination, growth and persistence of propagules [K082_1990_1992_NZ_1]
The potential importance of dried cyanobacterial mats as sources of propagules for local dissemination was studied at Bratina Island (McMurdo Ice Shelf), Lake Fryxell (Taylor Valley) and Cape Crozier ...


78. The occurrance of heavy metals in marine benthic organisms, Cape Evans and Terra Nova Bay [K082_2001_2002_NZ_5]   PARENT DIF
The distribution of heavy metals (such as Cd, Pb and Hg) in different areas of the Antarctic marine coastal ecosystems along a latitudinal gradient, and at sites characterised by different degrees ...


79. 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 ...


80. The physiology of Phymatolithon foecundum from Cape Evans [K082_2001_2002_NZ_4]   PARENT DIF
Phymatolithon foecundum is a coralline growth found in the coastal benthic environment. Benthic surveys indicated that P. foecundum is abundant throughout the deep gradients (10-30m depth). A range ...


81. 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 ...


82. The relationship between sediment texture, micro-organisms (diatom and Foraminifera), water depth and current to 100m along the Victoria Land coast from Trip Island to Cape Armitage, McMurdo Sound [K042_1987_1988_NZ_1]
The relationship between sediment texture, micro-organisms (diatom and Foraminifera), water column currents and water depth was investigated along the shoreline (to the 100m contour) of the Victoria ...


83. 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 ...


84. 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 ...


85. The role of Phyllophora antarctica in structuring macrofaunal communities at Cape Evans [K082_2001_2002_NZ_3]   PARENT DIF
Benthic suveys indicate that Phyllophora is the only attached macroalga present at Cape Evans. Attached and drift algal biomass was quantified in quadrats (61) between 0 - 30m depth using stratified ...


86. 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 ...


87. 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 ...


88. The structural and functional diversity of the shallow-water benthic community at Cape Evans [K082_2001_2002_NZ_1]   PARENT DIF
The biodiversity of the seafloor community at Cape Evans was investigated to determine the structural and functional diversity of the benthic community and resurveyed over several seasons to assess ...


89. The structural and functional diversity of the shallow-water benthic community at Dunlop Island and Spike Cape [K082_2001_2002_NZ_7]   PARENT DIF
The biodiversity of the seafloor community at Dunlop Island and Spike Cape was investigated to determine the structural and functional diversity of the benthic community. A minimum of three sites, ...


90. The structural and functional diversity of the shallow-water benthic community at Granite Harbour [K082_2001_2002_NZ_8]   PARENT DIF
The biodiversity of the seafloor community at Granite Harbour was investigated to determine the structural and functional diversity of the benthic community during the 07-08 season. Scuba based video ...


91. The structural and functional diversity of the shallow-water benthic community at New Harbour [K082_2001_2002_NZ_6]   PARENT DIF
The biodiversity of the seafloor community at New Harbour was investigated to determine the structural and functional diversity of the benthic community and resurveyed over two seasons (01-02 and ...


92. The structural and functional diversity of the shallow-water benthic community at Terra Nova Bay [K082_2001_2002_NZ_2]   PARENT DIF
The biodiversity of the seafloor community at Terra Nova Bay was investigated to determine the structural and functional diversity of the benthic community and to extend the latitudinal gradient survey ...


93. 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 ...


94. The taxonomy and distribution of algae cultured from samples from Granite Harbour: Oscillatoriales and Cyanobacteria [K053_1993_1994_NZ_1]
Samples were removed from the complete range of habitats supporting algal growth at Granite Harbour. A total of over 190 samples were examined microscopically and a taxonomic list was compiled. Cultures ...


95. 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 ...


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