| 99 Titles Match Your Query |
Showing 1 through 50 of 99
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1.
Community composition survey at Terra Nova Bay with similar samples collected at Cape Evans Cape Armitage and Turtle Rock [K043_2008_2012_NZ_5]
Five ice cores were collected from Terra Nova bay in the vicinity of Gondwana station. From each core the top, middle and bottom sections were sectioned and processed as described earlier. In addition, ...
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2.
Population regulation and demography in Adelie penguins (Pygoscelis adeliae) at three penguin colonies on Ross Island (Cape Bird, Cape Crozier and Cape Royds) [K122_1994_2012_NZ_2]
This study aims to investigate the factors regulating population size and colony distribution of Adelie penguins (Pygoscelis adeliae) at three colonies on Ross Island (Cape Royds, Bird and Crozier) ...
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3.
Census data using aerial photographs on the number of breeding Adelie penguins (Pygoscelis adeliae) at colonies in the Ross Sea Region [K122_1981_2012_NZ_1]
Data are of numbers of breeding pairs of Adelie penguins(Pygoscelis adeliae)in the Ross Sea region colonies counted from aerial photographs. Photographs were taken from either a helicopter or from ...
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4.
Fungi isolates from physical samples (soil, rock, wood, foodstuff, air, artifacts, etc) from heroic era sites in the Ross Sea Region to determine fungal biodiversity [K021_1998_2012_NZ_1]
Physical samples of soil, rocks, wood, foodstuffs, air and artifacts were collected from six Heroic era sites in the Ross Sea Region over the period of January 1999 to January 2008. These sites included ...
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5.
Fungi isolates from physical samples (soil, rock, wood, foodstuff, air, artifacts, etc) from heroic era sites in the Ross Sea Region to determine fungal biodiversity [K021_1998_2011_NZ_1]
Physical samples of soil, rocks, wood, foodstuffs, air and artefacts were collected from six Heroic era sites in the Ross Sea Region over the period of January 1999 to January 2008. These sites included ...
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6.
Census data using aerial photographs on the number of breeding Adelie penguins (Pygoscelis adeliae) at colonies in the Ross Sea Region [K122_1981_2008_NZ_1]
Data are of numbers of breeding pairs of Adelie penguins(Pygoscelis adeliae)in the Ross Sea region colonies counted from aerial photographs. Photographs were taken from either a helicopter or from ...
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7.
Aerial photographs and ground counts for assessing breeding success of Adelie penguin (Pygoscelis adeliae) rookeries on Ross Island [K122_2004_2005_NZ_4]
In conjunction with aerial photographs of the colonies ground truth counts were made since the 1983-1984 season at the Ross Island colonies. The number of occupied nests, nests with eggs, nests with ...
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8.
Population regulation and demography in Adelie penguins (Pygoscelis adeliae) at three penguin colonies on Ross Island (Cape Bird, Cape Crozier and Cape Royds) [K122_2004_2005_NZ_2]
This study aims to investigate the factors regulating population size and colony distribution of Adelie penguins (Pygoscelis adeliae) at three colonies on Ross Island (Cape Royds, Bird and Crozier) ...
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9.
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 ...
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10.
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 ...
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11.
Benthic invertebrate community composition, sediment characteristics, and seafloor habitat structure of New Harbour [K082_2009_2010_NZ_1]
SCUBA-based sampling was conducted to determine benthic invertebrate community composition, sediment characteristics, and seafloor habitat structure of New Harbour, via core sampling and video. Specimens ...
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12.
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 ...
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13.
Collection of marine sediment, algae, invertebrate and fish samples from multiple sites at diveable depths in the Ross Sea Region [K065_2008_2009_NZ_1]
In order to resolve the contribution of microbes (bacteria) in the benthic food web under the sea ice in Antarctica and to determine the level of recycling of carbon that occurs in the community, ...
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14.
Determination of the unique evolutionary patterns that prevail in the Antarctic springtail (Gomphiocephalus hodgsoni) [K025_2006_2007_NZ]
The energetic budgets (activity) of Antarctic springtails (Gomphiocephalus hodgsoni) was investigated at Cape Bird, Ross Island and the Garwood Valley, McMurdo Dry Valleys to determine the unique ...
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15.
Soil, nematode, and springtail sample collection from Granite Harbour [K066_2009_2010_NZ_1]
The aim of this study was to determine aspects of the environmental physiology and phylogeography of Antarctic terrestrial invertebrates. Soil samples were collected from Granite Harbour for geochemical ...
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16.
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 ...
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17.
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 ...
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18.
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 ...
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19.
Fungi isolates from physical samples (soil, rock, wood, foodstuff, air, artifacts, etc) from heroic era sites in the Ross Sea Region to determine fungal biodiversity [K021_1998_2008_NZ_1]
Physical samples of soil, rocks, wood, foodstuffs, air and artefacts were collected from six Heroic era sites in the Ross Sea Region over the period of January 1999 to January 2008. These sites included ...
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20.
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 ...
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21.
Experiments to determine the processes governing the colonization of micro-organisms in extreme Antarctic fellfields [K015_1982_1983_NZ_1]
In Antarctica, moisture, temperature and other climatic regimes and the quality and stability of the prevailing mineral substrate act as extreme limiting factors for colonization by microbes, cryptograms ...
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22.
Behavioral observations, blood and fecal samples taken from Adelie penguins at Shell Glacier and Cape Crozier to detect the impact of human disturbance [K027_2003_2006_NZ_1]
Long term studies of the impacts of human disturbance on adelie penguins using a range of key behavioural, ecological and physiological measures are required to establish logical management regimes ...
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23.
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 ...
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24.
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 ...
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25.
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 ...
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26.
Community composition survey at Terra Nova Bay with similar samples collected at Cape Evans and Cape Armitage [K043_2008_2009_NZ_5]
Five ice cores were collected from Terra Nova bay in the vicinity of Gondwana station. From each core the top, middle and bottom sections were sectioned and processed as described earlier. In addition, ...
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27.
Diversity of marine benthic communities at Granite Harbour, the effect of ocean acidification on the Antarctic gooeyduc Laternula elliptica and the effect of pulsed primary food source on the benthic community [K082_2008_2009_NZ_1]
To continue to improve our understanding of Ross Sea marine benthic ecosystem structure and function, investigations were conducted to determine how key benthic organisms (i) respond to ocean acidification, ...
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28.
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 ...
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29.
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 ...
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30.
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.
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31.
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 ...
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32.
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 ...
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33.
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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34.
Photosynthesis, fluorescence and microclimate measurements of several species of mosses and lichens from Botany Bay at Granite Harbour [K024_1991_1992_NZ_1]
The photosynthetic rate of Antarctic mosses and lichens was studied with investigations into the effects of high levels of light radiation and of possible UV effects. The mosses Pottia heimii, Bryum ...
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35.
The photosynthetic performance (photosynthesis response curves to light and water content at various temperatures) of the pale and dark forms of the lichen Usnea spacelata from Cape Royds [K024_1996_1997_NZ_4]
The photosynthetic performance of the fruticose lichen Usnea sphacelata was measured using advanced, climatised photosynthetic cuvettes at Scott Base. Individuals of the Usnea sp were identified and ...
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36.
Analysis of the community structure of subtidal reefs at Cape Armitage (species composition of invertebrates and fish, sediment spicule mat depth, sediment type, sedimentation rates and tissue sampling for analysis) [K054_1987_1989_NZ_1]
CHILD DIFs
A dive site was selected at Cape Armitage to conduct a marine benthos survey. The water was approximately 25m deep and the bottom was found to be rocky and inhabited by sponges. Other sites were ...
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37.
Analysis of the reef slope community structure at Pram Point (species composition of invertebrates and fish, sponge reproduction, sediment type, sedimentation rates and tissue sampling for analysis) [K054_1991_1992_NZ_1]
CHILD DIFs
The reef community at Cape Armitage was surveyed over two seasons (1987/88 and 1988/89). This community exists on a fan like shallow slope platform. In the same season, Pram Point was initially assessed ...
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38.
Analysis the diet of Pagothenia borchgrevinki from stomach contents and plankton sampling near Scott Base [K012_1985_1986_NZ_1]
Samples of 20 fish of Pagothenia borchgrevinki were collected every second or third day over the course of the study period near Scott Base. The stomach contents of each fish were extracted, weighed ...
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39.
Investigation of the relationship of the fish population with their associated benthos community (population counts, activity and stomach content) [K054_1991_1992_NZ_2]
PARENT DIF
The relationship between the benthos and fish populations associated with it was investigated. Fish counts, fish behaviour and samples of fish were collected. Four 5m x 2m transects were surveyed ...
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40.
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 ?g l-1 of nitrate or phosphate. Three ponds were used for water samples (Skua, Duet and P70) ...
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41.
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 ...
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42.
The development of anaerobic enrichment cultures and measurements of the rates of methanogenesis, the turnover of 14C acetate and the degradation of substrates from sediment samples from Bratina Island [K141_1992_1994_NZ_1]
Life in ponds and tidal lagoons of the McMurdo Ice Shelf is dominated by benthic cyanobacterial mats. Anaerobic conditions occur beneath these productive mats. A study was conducted to investigate ...
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43.
The effect of temperature and sulphate availability on the terminal electron flow (to sulphide or methane) in anaerobic Antarctic sediments [K081_2001_2002_NZ_1]
Sediment was collected from a range of ponds from the McMurdo Ice Shelf and returned to New Zealand for laboratory studies. Samples were incubated in long term incubators to determine the relative ...
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44.
Natural spatial subsidies in continental Antarctic soil [K052_2001_2005_NZ_1]
CHILD DIFs
The soils of the McMurdo Dry Valleys are hypothesized to rely on external sources of nutrients (carbon, nitrogen, etc). The importance of these spatial subsidies on productivity and biological diversity ...
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45.
Physical, chemical and biological characteristics of soils from the upper Garwood Valley, Ross Sea Region, 2002-2006. [K052_2004_2005_NZ]
PARENT DIF
These data consist of a number of subsets of soil samples gathered from the upper Garwood Valley in January 2002, January 2003, January 2005 and January 2006. Replicate randomly-located samples of ...
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46.
Physical, chemical and biological characteristics of soils from the western Wright Vanda (Lake Vanda district), Ross Sea Region, 2006 [K052_2005_2006_NZ]
PARENT DIF
These data consist of a number of subsets of soil samples gathered from the Wright Valley in January 2006. Replicate randomly-located samples of surface soils to 10 cm depth have been gathered from ...
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47.
The legacy model vs the subsidy model to explain soil organic matter in the McMurdo Dry Valleys [K052_2004_2006_NZ_1]
CHILD DIFs
The Dry Valleys of Victoria Land, Antarctica, contain naturally simple ecosystems operating under extreme climatic conditions. Nutrients are limited and are thought to come from external sources from ...
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48.
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 ...
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49.
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. ...
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50.
Measurements of lichen activity (chlorophyll a fluorescence) for an entire year from Botany Bay, Granite Harbour [K024_1999_2000_NZ_3]
A system was established at the back of Botany bay to monitor chlorophyll a fluorescence from a thallus of Umbilicaria aprina continuously through the winter and the next season (lichen activity through ...
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Showing 1 through 50 of 99
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