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111 Titles Match Your Query
Showing 1 through 50 of 111 Next
1. 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 ...


2. Measurements of heart rate, ventilation rate and metabolic rate of Trematomus bernacchii. [K057_2011_2013_NZ_1]
Measurements of heart rate, ventilation rate and metabolic rate of Trematomus bernacchii subjected to elevated temperatures, including recovery from exercise and tolerance to hypoxia. The primary ...


3. 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 ...


4. Collection of Antarctic fish leeches from McMurdo Sound [K014_2009_2012_NZ_2]
Samples of Antarctic Trematomid fish leeches were fixed in alcohol and returned to New Zealand for identification and analysis.


5. Investigation of the role of anti-freeze glyco-proteins in the circulation system of Antarctic fish [K014_2009_2012_NZ_1]
In order to investigate how Antarctic fish deal with ice in their blood circulatory system, Trematomus bernacchii and Pagothenia borchgrevinki Antarctic fish were captured for experimental investigation. ...


6. Collection of Antarctic fish leeches from McMurdo Sound [K014_2009_2010_NZ_2]
Samples of Antarctic Trematomid fish leeches were fixed in alcohol and returned to New Zealand for identification and analysis.


7. Investigation of the role of anti-freeze glyco-proteins in the circulation system of Antarctic fish [K014_2009_2010_NZ_1]
In order to investigate how Antarctic fish deal with ice in their blood circulatory system, Trematomus bernacchii and Pagothenia borchgrevinki Antarctic fish were captured for experimental investigation. ...


8. Measurements of heart rate, ventilation rate and metabolic rate of Trematomus bernacchii. [K057_2011_2012_NZ_1]
Measurements of heart rate, ventilation rate and metabolic rate of Trematomus bernacchii subjected to elevated temperatures, including recovery from exercise and tolerance to hypoxia. The primary ...


9. Measurements of cardiovascular physiology of the Antarctic fish Pagothenia borchgrevinki and Trematomus bernacchii acclimatized to -1°C and +4°C [K057_2003_2007_NZ_1]
Evolutionary theory predicts that specialisation to a narrow set of environmental conditions will lead to a decreased capacity for phenotypes to change in response to environmental variability. This ...


10. Meaurements of heart and breathing rates to determine the Antarctic fish Pagothenia borchgrevinki's response to hypoxia and an increase in temperature [K057_2007_2008_NZ_1]
The Antarctic fish Pagothenia borchgrevinki has been shown to be able to survive at raised temperatures. However, survival at elevated temps is linked to tissue hypoxia (inadequate supply of oxygen) ...


11. Analysing toxicological impacts of contaminants on Notothenioid fish: Impacts of Polybrominated diphenyl ethers (PBDEs) [K068_2009_2010_NZ_2]
Target species Trematomus benacchii (n=72)from Cape Evans were collected live for the purpose of conducting a dose-response experiment in New Zealand on the live fish. Fish were dosed with different ...


12. The distribution and abundance patterns of meroplankton in the Ross Sea region [K018_2002_2008_NZ_1]   CHILD DIFs
The pelagic community of the Ross Sea consists of a permanent component (=holoplankton) and a temporary component which is primarily made up from the larval stages of benthic marine invertebrates ...


13. Estimates of the population density of Trematomus bernacchii at Cape Roberts and Cape Evans [K012_2000_2002_NZ_1]
The population density of the bottom dwelling Antarctic fish Trematomus bernacchii was estimated using the mark and recapture method and underwater video surveillance. Two sites were fished over two ...


14. The spatial and temporal distribution of the larval fish Pleuragramma antarcticum in the platelet ice and in the water column, Gerlache Inlet. [K018_2006_2008_NZ_4]   PARENT DIF
Plankton sampling in Gerlache Inlet in the 06-07 season collected large numbers of larvae of the Antarctic ice fish Pleuragramma antarcticum. Samples of Pleuragramma eggs and recently hatched larvae ...


15. 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 ...


16. 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 ...


17. 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 ...


18. 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 ...


19. 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 ...


20. A partitioning experiments to determine the aetiology of x-cell disease [K057_1999_2000_NZ_2]
Captured Pagothenia borchgrevinki fish were placed into an aquarium and partitioned into tanks as all healthy, all x-cell or a mixture of the two. Lengths and weights of all fish were measured and ...


21. An investigation of the x-cell disease in Pagothenia borchgrevinki fish in McMurdo Sound with measurements of condition factor, gut contents, internal organ status and analysis of tissue samples [K057_1997_1998_NZ_1]
The distribution of x-cell disease in Pagothenia borchgrevinki fish in McMurdo Sound and the effects of the disease on the fish was investigated. A series of linear transects were samples close to ...


22. Analysis of activity levels and oxygen consumptions of the Antarctic fish Trematomus bernacchii to determine if they have a circadian rhythm [K057_2004_2005_NZ_1]
Antarctic fish live in an environment with high seasonality, where levels of sunlight in the summer are up to 24 hours a day and in total darkness during the winter. Fish were monitored to determine ...


23. Changes in haematocrit, chloride concentrations and osmolarity of Pagothenia borchgrevinki fish exposed to 10°C water for 10 minutes [K057_1987_1988_NZ_4]
The affects of acute increase in temperature on haematocrit and on the ionic and osmotic homeostasis of Pagothenia borchgrevinki was investigated. Fish were captured and placed in aquariums at a temperature ...


24. Examination of the ability of the Antarctic fish Pagothenia borchgrevinki to withstand hypoxic conditions, their ability to recover and the potential for lactate as an end product of metabolism during hypoxia [K057_2003_2004_NZ_1]
Fish muscle was not found to produce lactic acid as an end product of anaerobic metabolism during high speed swimming. However, analysis of the enzymes involved in anaerobic metabolism, particularly ...


25. Investigation of catchecholamine release from blood samples after different stress conditions in the three Antarctic fish; Pagothenia borchgrevinki, Trematomus bernacchii and T. centronotus [K057_1998_1999_NZ_2]
Under certain conditions, catecholamines (stress hormones) are released into the blood system of Antarctic fish. Under what conditions these hormones are released, the time course for recovery back ...


26. Investigation of the cardiovascular control of notothenioid fish (Pagothenia borchgrevinki and Trematomus bernacchii) [K057_1992_1993_NZ_1]
It has been shown that under stress, red blooded notothenioids increase their haematocrit by contracting the spleen thus releasing red blood cells and increasing the heart rate. The increase in heart ...


27. Investigation of the cardiovascular system of a member of the Bathydraconidae, the dragonfish, Gymnodraco acuticeps [K057_1999_2000_NZ_3]
The Antarctic dragon fish, Grymnodraco acuticeps, was capture opportunistically from McMurdo Sound. The characteristics of its cardiovascular system were investigated, including heart rate and aortic ...


28. Measurements of blood pressure, heart rate, blood flow, PO2 and oxygen content of blood and examination of the heart of Antarctic fish Pagothenia borchgrevinki with x-cell disease and healthy fish [K057_2000_2002_NZ_1]
The presence of x-cell disease in Antarctic fish, a disease that affects the gills by producing lesions on the gill tissue, has been shown to affect the ability of the fish to take up oxygen and can ...


29. Measurements of burst swimming performance of five species of Antarctic fish [K057_1998_1999_NZ_6]
Individuals of the Antarctic fish species Pagothenia borchgrevinki, Termatomus bernacchii, T. hansoni, T. Nicolai and Gymnodraco acuticeps were collected from several locations in McMurdo Sound and ...


30. Measurements of heart rate, blood pressure, ventral aortic pressure, systolic and diastolic pressure in the hearts of healthy and x-cell diseased Antarctic fish, Pagothenia borchgrevinki [K057_1998_1999_NZ_3]
The effect of x-cell disease on the heart of an Antarctic fish (Pagothenia borchgrevinki) was investigated in resting and exercised fish to examine the ability of the heart to supply blood to the ...


31. Measurements of specific dynamic action (energy required to digest and assimilate food) via oxygen consumption and nitrogen excretion rates [K057_1998_1999_NZ_5]
Specific dynamic action (SDA) refers to the energy required to digest and assimilate food. This is measureable in terms of increased oxygen consumption and in some species of fish can represent a ...


32. Measurements of the effect of temperature and feeding on the blood flow through major arteries of the Antarctic fish Pagothenia borchgrevinki [K057_2007_2008_NZ_2]
The Antarctic fish Pagothenia borchgrevinki has been shown to be able to survive at raised temperatures. An increase in temperature causes an increase in metabolic rate which requires an increased ...


33. Measurements of the effects of temperature on venous blood pressure in the Antarctic fish Pagothenia borchgrevinki [K057_2007_2008_NZ_3]
The Antarctic fish Pagothenia borchgrevinki has been shown to be able to survive at raised temperatures. Cardiac filling in vertebrates is influenced by venous return which itself is influenced by ...


34. Measurements of the extent of hypertension (aortae blood pressure, heart rate, oxygen tension of the blood and morphometrics of the heart) in Antarctic fish affected with x-cell disease [K057_2003_2005_NZ_1]
The ability of x-cell affected fish to swim was determined using a swimming tunnel closed box respirometer and measuring maximum oxygen consumption and recovery post exercise. In severe cases of x-cell ...


35. Measurements of the fate of carbon dioxide in the blood of the Antarctic fish Pagothenia borchgrevinki [K057_1998_1999_NZ_1]
Using purpose built tonometers, the carbon dioxide (CO2) dynamics in whole blood and plasma of the Antarctic fish Pagothenia borchgrevinki was determined. The tonometers maintained samples of blood ...


36. Morphological examination of x-cell affected gills from Pagothenia borchgrevinki [K057_1987_1988_NZ_2]
During the 83-84 season, several Pagothenia borchgrevinki fish were collected which had damaged gills. The gill filaments were white, instead of the usual red colour due to blood perfusion and also ...


37. Oxygen consumption rates and lactic acid levels of notothenioid fish to determine the exercise physiology of how a low water temperature has affected their ability to swim [K057_1985_1986_NZ_1]
Notothenioid fish live in a relatively constant temperature of -1.86?C. In order to survive at this temperature they have undergone several modifications to their biochemical makeup. The ability of ...


38. Oxygen consumption rates of Pagothenia borchgrevinki: A study to determine if they can utilise their skin surface for gas exchange [K057_1987_1988_NZ_3]
The ability of Pagothenia borchgrevinki to utilise their skin surface for gas exchange was examined. A fish was anaesthetised and a rubber collar placed over the fish, isolating the head of the animal ...


39. Oxygen uptake rates of Pagothenia borchgrevinki fish affected with x-cell at rest and in strenuous exercise and morphological examination of x-cell affected gills [K057_1987_1988_NZ_1]
During the 83-84 season, several Pagothenia borchgrevinki fish were collected which had damaged gills. The gill filaments were white, instead of the usual red colour due to blood perfusion and also ...


40. Respiration rates and physiological changes of Antarctic fish Pagothenia borchgrevinki exposed to fuel oil, acute vs chronic exposure [K057_1989_1991_NZ_1]
The potential for oil pollution in the Ross Sea is increasing as shipping activities increase due to base operations and tourism. The effects of diesel fuel oil on Antarctic fish survival and physiology ...


41. The characteristics of an isolated in situ Pagothenia borchgrevinki heart: heart rate and pressure, the effects of drugs, innervation of the heart and biochemical work of the blood and muscle tissue [K057_1996_1997_NZ_3]
The characteristics of an isolated in situ fish heart was investigated. A Pagothenia borchgrevinki fish was killed and its heart was exposed and isolated from its blood supply, but left in place ...


42. The control of blood flow and the effects of drugs on the contractile forces exerted by blood vessels in the gills of Pagothenia borchgrevinki [K057_1995_1996_NZ_1]
The control of blood flow through the gill of a notothenioid fish, Pagothenia borchgrevinki, was examined by isolating a gill arch and perfusing it with saline. The effects of drugs on the afferent ...


43. The control of blood flow through the gills and the effects of a number of vasoactive drugs on blood flow and oxygen uptake in two Antarctic fish, Pagothenia borchgrevinki and Trematomus bernacchii [K057_1996_1997_NZ_1]
The extracorporeal loop technique was used to measure oxygen levels of the blood, pre and post-branchial blood pressure, heart rate, blood flow and from these measurements stroke volume of the heart ...


44. The dynamics of red blood cell release and uptake by the spleen and the control of red blood cell swelling from the effects of stress in two species of Antarctic fish, Pagothenia borchgrevinki and Trematomus bernacchii [K057_1996_1997_NZ_2]
In vitro experimentation determined that red cell swelling is a consequence of activation of a Na+/H+ antiporter located on the red cell membrane. The antiporter is controlled by a ?-adrenoceptor ...


45. The effects of increased temperature on the physiological variable (heart rate, respiratory frequency, oxygen consumption, blood pressure, etc) of 2 Antarctic fish: Pagothenia borchgrevinki, Trematomus bernacchii [K057_2002_2003_NZ_2]
The effects of increased temperature on physiological variables in two Antarctic fish Pagothenia borchgrevinki (pelagic) and Trematomus bernacchii (sedentary) was investigated using a new technique ...


46. The functioning of the spleen in the Antarctic fish Pagothenia borchgrevinki [K057_1994_1995_NZ_2]
The spleen of notothenioids releases red blood cells during times of stress to increase oxygen uptake. The more red blood cells in the blood, the more viscous it is and the harder it is to pump around ...


47. The muscle histochemistry and characterization of different metabolic types in fin and trunk muscles investigated on Antarctic fish [K057_1983_1984_NZ_1]
The muscle histochemistry and characterization of different metabolic types in fin and trunk muscles was investigated on Antarctic fish. Frozen sections were cut and examined and interactions and ...


48. The rates of blood flow and oxygen uptake in the gills of the Antarctic fish Pagothenia borchgrevinki [K057_1994_1995_NZ_1]
Blood flow and oxygen uptake at the gills of Antarctic fish was examined using an extracorporeal loop that links the blood supply of the fish between the ventral and dorsal aorta so that continuous ...


49. The respiratory and metabolic activity of a nematode worm found in the body cavity of Antarctic fish and Weddell seals [K057_1999_2000_NZ_1]
The respiratory ability of a nematode worm at different temperatures up to 38?C that live in the body cavity of Antarctic fish and ultimately with the final host being a Weddell seal was examined. ...


50. The role of the spleen in producing red blood cells during stress (measurements of haematocrit, haemoglobin, chloride, adrenaline conc., spleen mass) in Antarctic fish (Pagothenia borchgrevinki, Trematomus bernacchii) [K057_1991_1992_NZ_1]
The effects of stress (both hypoxia and exercise) on haematocrit in Antarctic fish was investigated with the aim to examine red cell release from the spleen under conditions of stress. The spleen ...


Showing 1 through 50 of 111 Next

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