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61 Titles Match Your Query
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1. Physiology of Arthropods (Collembola) at Cape Hallett [K140_2002_2003_NZ_2]
Environmental physiology of three species of springtails (Hexapoda: Collembola): (1) Isotoma klovstadi (Isotomidae), (2) Cryptopygus cisantarcticus (Isotomidae) and (3) Friesia grisea ...


2. The distribution of terrestrial invertebrates at Cape Hallett [K140_2002_2003_NZ_1]
A survey of the terrestrial invertebrates of the ice free areas at Cape Hallett was conducted over three spatial scales: 1) A site-wide survey of the soil and under-stone arthropods of the Cape Hallett ...


3. 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 [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 ...


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 [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 ...


5. A grafting experiment testing the ability of Antarctic sponges to recognise self from non-self tissue and their immune response [K054_1988_1989_NZ_1]   PARENT DIF
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. Four sponge species ...


6. A series of experiments to characterize the neuromuscular transmission in Antarctic fishes (Pagothenia borchgrevinki) and the effects of temperature on these reactions [K012_1978_1980_NZ_1]
The low temperature adaptations involved in neuromuscular transmission in Antarctica fish was characterized. An exploratory dissection of Pagothenia borchgrevinki revealed that the inferior oblique ...


7. A survey of the density of starfish and sea urchins to determine the grazing pressure of these species on a sponge dominated reef, Cape Armitage [K054_1988_1989_NZ_3]   PARENT DIF
In order to determine the grazing pressure of starfish and sea urchin species on the benthic community of a reef at Cape Armitage, a survey was made of these species densities. The survey was stratified ...


8. An investigation of a bacterial infection of Antarctic sponge species at Cape Armitage [K054_1988_1989_NZ_2]   PARENT DIF
A bacterial infection was found associated with two species of Antarctic sponges while conducting a survey of the benthic community at Cape Armitage. This infection was not observed in the first year ...


9. 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 ...


10. Analysis of mixed water and substrate samples from glacial meltwater streams and stream beds in the Dry Valleys for ecology and physiology of protozoan found there [K061_1984_1985_NZ_1]
Aspects of the ecology and physiology of protozoa found in glacial melt waters of the Wright and Taylor Valleys were studied. Combined water/substrate samples and freeze dried moss and algae were ...


11. 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 ...


12. Analysis of the condition of female (body fat and protein composition, weight and diet) Weddell seals (Leptonychotes weddellii) and the implication for reproductive success [K063_2002_2004_NZ_1]
Weddell seals lay down substantial fat deposits during the non-breeding season and then expend the stored energy during an intensive lactation period. Fluctuations in energy acquisition prior to breeding ...


13. 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 ...


14. 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 ...


15. 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 ...


16. 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 ...


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. 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 ...


19. Contraction rates of muscles and measurements of the input and output parameters of the vestibulo-ocular reflex action in the Antarctic fish Pagothenia borchgrevinki [K012_1984_1985_NZ_2]
In order to fully describe the input and output parameters of the vestibulo-ocular reflex, simultaneous recordings are required of head movement, sensory input from the semicircular canals, motor ...


20. Determining if lactating Weddell seal mothers are indeed fasting [K071_1996_1997_NZ_2]
Weddell seals are well adapted polar animals. They give birth to pups in the Antarctic summer when they haul out onto the ice. While feeding their pups, they have a massive fasting weight loss (and ...


21. Do lactating seals maintain blood glucose levels whilst fasting during lactation? [K071_1993_1994_NZ_2]
Weddell seals are well adapted polar animals. They give birth to pups in the Antarctic summer when they haul out onto the ice. While feeding their pups, they have a massive fasting weight loss (and ...


22. Does melatonin secretion occurs when Weddell seals are exposed to darkness? [K071_1993_1994_NZ_1]
In many animals, seasonal events such as reproduction and changes in pelage are regulated by the alteration in length of daylight throughout the year. In many animals, the hormone melatonin is secreted ...


23. Estimates of the amount of neuromuscular transmitter released by motor nerve terminals at different temperatures in the Antarctic fish Pagothenia borchgrevinki [K012_1982_1983_NZ_3]
The number of quantal doses of acetylcholine released by a nerve to activate a muscle can be estimated by recording repeated responses (end plate potentials of EPPs) to nerve stimulation and calculating ...


24. 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 ...


25. Haemotological characterization of Antarctic fish blood from Antarctic fish and the giant isopod [K012_1978_1980_NZ_2]
Blood samples were taken from 8 Antarctic Notothenioids (e.g. Pagothenia borchgrevinki, Trematomus hansoni, T. centronotus, T. bernacchii, T. newnesi, Dissostichus mawsoni) and one species each of ...


26. Hormone and metabolic changes during the lactating period of Weddell seals [K071_1990_1991_NZ_1]
Weddell seals have been found to have an absence of diurnal patterns of secretion of the hormones cortisol and melatonin, the hormones which animals use to monitor the annual pattern of changes in ...


27. 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 ...


28. Investigations of haematological parameters, the level of red cell ATP and blood lactate in the blood of resting and exercising Antarctic fish at cold and warm temperatures [K012_1977_1978_NZ_2]
The level of adenosine triphosphate in fish blood and its role in regulating oxygen uptake by fish haemoglobins was examined. Various haematological parameters, red cell ATP and blood lactate were ...


29. Investigations of the physiological adaptations (irradiance and temperature tolerance limits) of two polar species of red algae Iridaea cordata and Phyllophora antarctica at Cape Evans [K062_1989_1990_NZ_1]
The most southerly populations of benthic marine algae occurring anywhere in the world are found in McMurdo Sound. There is considerable divergence of opinion amongst phycologists as to the suitability ...


30. Isolated fungi from physical samples collected from four sites, two with human impact and two with little human influence to assess fungal biodiversity and the impact of humans [K021_1998_2008_NZ_3]
Physical samples of soil, rocks, wood, foodstuffs, air and artifacts were collected over the period of 2001-2006 from four sites in Ross Sea Region, including two sites with human impact (influence) ...


31. Life at the Extreme: Resolving the Genetic Basis of Microbial Endemism in the Super-Heated Soils of Mt Erebus, Antarctica [K023_2008_2012_NZ_1]
The study of high temperature extreme environments continues to challenge our understanding of the upper tolerances of microbial life and how life may have originated on earth and possibly other planets. ...


32. Lipid transport, lipid metabolism and cold adaptation in Antarctic notothenioid fish [K058_2005_2008_NZ_1]
Fish species of the suborder Notothenioidei are morphologically distinct in that they lack a swim bladder. To compensate, high levels of tissue lipids aid in maintaining buoyancy. The lipids also ...


33. Liver samples collected for investigations of enzyme activity of Glutathione-s-transferase in the Antarctic fish Dissostichus mawsoni and Pagothenia borchgrevinki [K042_1983_1984_NZ_2]
The level of the detoxication system in Antarctic fish from the enzyme glutathione-s-transferase was tested. Samples of liver from the Antarctic fish Dissostichus mawsoni and Pagothenia borchgrevinki ...


34. Measurement of the effects of pH and temperature on the oxygen binding properties (oxygen affinity) and ATP concentrations in whole blood of Antarctic fish [K012_1982_1983_NZ_1]
Many Antarctic fishes have taken advantage of the combination of low oxygen requirements and high availability of oxygen by reducing the number of erythrocytes and the amount of intracellular haemoglobin. ...


35. Measurements of heart rate, blood oxygenation, redox state of cytochrome oxidase and blood flow in peripheral tissues of Adelie penguins that have been stressed using an infrared spectrometer [K032_1999_2000_NZ_1]
Adelie penguins (Pygoscelis adeliae) live and breed in an physiologically demanding environment that requires individual birds to respond rapidly to fluctuating environmental conditions. The physiological ...


36. Measurements of photosynthetic recovery after the winter cold and desiccation at Botany Bay, Granite Harbour [K024_2000_2001_NZ_1]
Three CMS400 photosynthesis systems were used to study the recovery of photosynthetic activity by lichens and mosses rewetted for the first time after the winter at Botany Bay, Granite Harbour.


37. Measurements of the quantal content in neuromuscular transmission of the Antarctic fish Pagothenia borchgrevinki - end plate potential recordings from muscle fibres [K012_1984_1985_NZ_1]
The Antarctic fish Pagothenia borchgrevinki was captured from near Scott Base and used to measure the quantal content in neuromuscular transmission of Antarctic fish. The amount of neurotransmitter ...


38. Melatonin secretion patterns in relation to changes in light intensity and activity in Weddell seals [K071_1987_1988_NZ_1]
In many animals, seasonal events such as reproduction and changes in pelage are regulated by the alteration in length of daylight throughout the year. Weddell seals are subjected to 24 hours of sunlight ...


39. Metabolic changes of notothenioid fish in relation to nutritional status [K058_2007_2008_NZ_1]
Individuals of Trematomus bernacchii and Pagothenia borchgrevinki were captured and used in an experiment to understand metabolic changes, especially pertaining to the lipid transport system (lipoproteins) ...


40. Metabolic consequences of diving in the Weddell seal (Leptoychotes weddelli) [K065_2002_2003_NZ_1]
To achieve a greater understanding of metabolic efficiency during diving, it is important to establish the degree of metabolic suppression (reduction of oxygen consumption) at the cellular level, ...


41. Miniature end plate currents recorded from Pagothenia borchgrevinki muscle at different temperatures and measurements of the function of the oculomotor (eye movement response) control system [K012_1981_1982_NZ_1]
Miniature end plate currents (MEPC) were recorded from fish muscle of Pagothenia borchgrevinki to test the hypothesis that the high proportion of unsaturated lipids will result in increased membrane ...


42. Muscle histochemistry and characterization of the different metabolic types in fin and trunk muscles [K012_1983_1984_NZ_2]
Four species of Antarctic fish were collected near Scott Base including Pagothenia borchgrevinki, Dissostichus mawsoni, Trematomus bernacchii (all from the Ross Sea) and Rhigophila dearborni (obtained ...


43. Photosynthetic physiology (CO2/O2 exchange, optimum temperature and light levels) of common bryophytes species that grow in the melt streams from glaciers in the Dry Valleys [K024_1979_1980_NZ_3]
Previous work (by Rostofer, 1970) covered the photosynthetic physiology of two common bryophyte species (Bryum antarcticum and B. Argenteum) found in the melt-streams from glaciers in the Dry Valleys ...


44. Plasma protein profiles of severely ice-damaged Notothenioidei fish [K058_2005_2008_NZ_2]
A small percentage of the notothenioid fish caught in the McMurdo Sound or Terra Nova Bay region were found to have what was classed as ice damage (oedema) in their eyes, potentially resulting from ...


45. Reproductive biology of notothenioid fish - Analysis of gonadal development from a number of species [K058_2005_2008_NZ_3]
Fish species of the suborder Notothenioidei were captured in the McMurdo Sound or Terra Nova Bay region and basic biological measurements were taken for all fish (length, weight, gonadosomatic indices, ...


46. Soil samples and temperature data from Tramway Ridge, Mt Erebus to determine the genetic capabilities and structure of microbial communities [K023_2008_2009_NZ_1]
The study of high temperature extreme environments continues to challenge our understanding of the upper tolerances of microbial life and how life may have originated on earth and possibly other planets. ...


47. Temperature selection, locomotion and feeding behaviour of Antarctic fish [K012_1983_1984_NZ_3]
To test the ability of Antarctic fishes to perceive and react to temperature differences, a temperature gradient from -1.8°C to +5.4°C was set up in a trough and fish were monitored to see which part ...


48. 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, ...


49. The ecology and physiology of Antarctic invertebrates at Cape Bird [K140_1997_2000_NZ_1]
The effect of temperature on the terrestrial arthropod fauna at Cape Bird was investigated. The work was carried out over three field season and the site was visited for three periods during each ...


50. 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 ...


Showing 1 through 50 of 61 Next

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