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214 Titles Match Your Query
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1. Assessment of the impact of human activities on Trematomus bernacchii (a representative of the Antarctic fauna) by analysis of pollutants in bile and the amount of induction of a gene that produces a detoxifying enzyme [K014_1996_1997_NZ_1]
The impact of human activities in Antarctica on the local fauna was investigated by developing and applying biochemical and molecular genetic techniques to the assessment of the impact of by-products ...


2. 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 ...


3. Behavioural and corticosterone responses of incubating and confined Adelie penguins to model Weddell seal, model leopard seals and a seal bag, Cape Bird, Ross Island 2003-2004 [K034_2001_2005_NZ_10]
Behavioural and corticosterone responses of incubating Adelie penguins to a model Weddell seal, a model Leopard seal and a seal bag were measured by measuring behaviour and collecting blood samples ...


4. Behavioural observations (frequency and timing of copulation attempts) and paternity analysis from blood samples to investigate sperm competition of adelie penguins (Pygoscelis adeliae) [K063_1993_1998_NZ_1]
Sexual selection theory suggests that males compete for females and females choose males. Sperm competition is one aspect of this competition. There are two possible mechanisms of sperm competition, ...


5. Behavioural observations of nest site selection in Adelie penguins at Cape Bird [K121_1986_1987_NZ_2]
Virtually all penguins return to their natal rookeries to breed, after spending a couple of years at sea. A majority of young birds of both sexes end up settling within 200 m of their natal nest ...


6. Behavioural observations, recorded calls and breeding parameters as factors influencing the vocal behaviour of Adelie penguins (Pygoscelis adeliae) [K019_2000_2001_NZ_1]
Factors influencing the development and survival of Adelie penguins were investigated from the Cape Bird colony. The fieldwork focused on aspects of vocal recognition but parental care and chick development ...


7. Behavioural responses of incubating Adelie penguins to a novel object, Ross Island, 2002-2003 [K034_2001_2005_NZ_7]
The behavioural responses of incubating Adelie penguins to a person standing 1 meter away and to a cardboard shield of similar size to a person also at 1 meter distance were measured to determine ...


8. Biological survey of the Balleny Islands [K407_2000_2001_NZ_1]
US coastguard helicopters were used to survey bird, seal and plant populations of the three main islands and islets of the Balleny Islands, located off the coast of Antarctica, for birds and seal ...


9. Blood and faecal samples from Adelie and emperor penguins at Cape Washington and Mandible Cirque, Ross Sea Region, Antarctica [K034_2001_2005_NZ_14]
Blood and faecal samples were collected from 96 emperor penguins at Cape Washington and from 29 Adelie penguins at Mandible Cirque. Plasma concentrations of corticosterone will be measured ...


10. Blood buffering capacity of muscles of the Antarctic fish Dissostichus mawsoni, Pagothenia borchgrevinki, Trematomus centronotus, P. macropterus and Rhigophila dearborni [K012_1986_1987_NZ_2]
Temperature is an environmental factor which has profound effects on both aerobic and anaerobic activities. During aerobic activity, hydrogen ions from acidic metabolites are consumed by oxidative ...


11. Blood samples analysed for albumin to determine if the lack of this protein serum is common to the Notothenioid fish group [K066_2001_2002_NZ_1]
One species of Antarctic Notothenioid fish was found to lack the common blood protein serum albumin. It was investigated if this was common to all notothenioid fish. In addition, if this blood protein ...


12. Body temperature and activity patterns of adelie penguins held in captivity under different light conditions to determine if there is an internal body clock [K123_1987_1988_NZ_1]
Adelie penguins were held in captivity and fitted with implantable body temperature transducers. Measurements were made every 30 minutes of body temperature and activity (orientation, posture, eye ...


13. 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 ...


14. Photoreception in Antarctic isopods, crustaceans and fishes [K022_1984_1985_NZ_1]
Fish specimens of Pagothenia borchgrevinki, Dissostichus mawsoni and 4 eel-pouts, along with specimens of invertebrates including Antarctic scallops, the amphipod Orchomene plebs and the Antarctic ...


15. Physiological control of the heart and pH balance in Antarctic fish: An adaptation to cold temperatures [K012_1986_1987_NZ_1]
Changes in temperature are thought to affect the relative contributions of the excitatory adrenergic and inhibitory parasympathetic nerves to the vertebrate heart. Investigations of the heart function ...


16. 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 ...


17. Population counts and monitoring of the breeding cycle of Adelie penguins (Pygoscelis adeliae) at Cape Hallett and an investigation of the Cape Adare colony [K017_1960_1961_NZ_1]
The total size of the breeding population of Adelie penguins at Cape Hallett was determined by counting all the occupied sites at the period when the adult population was near its zenith. The colony ...


18. Population counts and monitoring of the breeding cycle of Adelie penguins (Pygoscelis adeliae) throughout an entire breeding season at Cape Royds [K122_1959_1960_NZ_1]
The breeding colony at Cape Royds was kept under daily observations during an entire breeding season before birds started arriving (only 17 present when observations started) until all birds had departed ...


19. Population counts of the Adelie penguin at Cape Hallett [K017_1968_1969_NZ_3]
The Adelie penguin colony at Seabee Spit, Cape Hallett was first discovered in 1956 and estimates then and later (Reid, 1964) detailed counts of the population was used to compare with a census conducted ...


20. Population dynamics of Weddell seals (Leptonychotes weddelli) in McMurdo Sound and the Victoria Land Coast: movement in the area, sub-adult populations, age structure and reproductive condition [K017_1960_1973_NZ_1]
The population parameters of the Weddell seal in McMurdo Sound was initiated in the 1965-66 season following a 4 year study of the reproductive cycle of the Weddell seal and 2 years of tagging by ...


21. Population ecology of the South Polar skua at Cape Hallett: 1967-1969 [K017_1966_1969_NZ_1]
A banding study of the South Polar Skua (Catharacta maccormicki) was conducted over three field seasons (1966/67, 1967/68 and 1968/69) at Cape Hallett. A swinging door type trap was constructed in ...


22. Population regulation and demography in Adelie penguins (Pygoscelis adeliae) at Cape Hallett. [K122_2004_2005_NZ_3]
This study aims to investigate the factors regulating population size and colony distribution of Adelie penguins (Pygoscelis adeliae) at Cape Hallett. Data was collected on Adelie penguin reproductive ...


23. 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) ...


24. 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 [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) ...


25. Population study, growth rate of chicks, mortality rate, diurnal observations, measurements of aggressiveness and the collection of morphological and anatomical data of an adelie penguin colony at Cape Bird [K014_1978_1979_NZ_2]
A population study was conducted on Adelie penguins in the Northern colony at Cape Bird. 15 colonies were selected for daily observations and complete maps of every colony was made to measure the ...


26. Radio tracking of adelie penguin (Pygoscelis adeliae) foraging movements while at sea during the early breeding season [K121_1986_1988_NZ_1]
Adelie penguin foraging movements at sea were located and described during the early breeding season at the Cape Bird colony. Radio transmitters were attached to individual birds and 18 penguins were ...


27. Radio-tracking of adelie penguins (Pygoscelis adeliae) at sea during their first foraging trip following egg laying [K121_1985_1986_NZ_1]
The movements of adelie penguins at sea during their first foraging trip following egg laying was monitored by attaching radio transmitters to both males (7) and females (3). The location of the birds ...


28. 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 ...


29. Mutation and extinction rates in Adelie penguin (Pygoscelis adeliae) populations from fossil bones and blood samples collected from several sites in the Ross Sea Region [K030_2001_2005_NZ_1]
Recent studies on the evolution of mitochondrial DNA in Adelie penguins has found high rates of mutation sparking a major controversy and raising the question of whether evolutionary rates are high ...


30. Nest success (eggs laid, hatched and chick survival) of south Polar Skuas at Cape Bird [K121_1986_1987_NZ_3]
Siblicide in nestling South Polar Skuas was investigated at Cape Bird. Skua nests were located and monitored (112 in the 86-87 season, 165 in the 87-88 season and 173 in the 88-89 season). Their ...


31. 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 ...


32. Nutrient transfer from penguin colonies to the vegetation at Cape Hallett: A measurement of the transfer of organic nitrogen in the form of ammonia [K024_2004_2006_NZ_3]
The transfer of nutrients from marine to terrestrial ecosystems are though to be important for vegetation. The transfer rate of organic nitrogen in the form of ammonia from the penguin colonies to ...


33. Observation of a skua club at Cape Bird to determine why they exist [K014_1970_1971_NZ_2]
Not far from breeding skuas in a colony there is often a flock of essentially non-breeding birds which is commonly known as the club. The purpose of the club was determined by constant observation ...


34. Observations of Weddell seal (Leptonychotes weddelli) injuries: nature, size, location, time taken to heal, infection mircoorganisms and cause of infections [K017_1966_1967_NZ_3]
Seals were examined closely for injuries, the nature, size and location of each wound being recorded in field notes and diagrammatically on a separate sheet for each seal. Seals were observed in the ...


35. Observations of feeding chase behaviour, attendance patterns and foraging trip durations of adults to determine the function of feeding chase behaviour in adelie penguins (Pygoscelis adeliae) [K063_2004_2006_NZ_1]
Adelie penguins exhibit a unique form of behaviour known as the feeding chase, whereby a parent is chased by its creche aged chicks before feeding them. The brood reduction hypothesis proposes that ...


36. Observations of intraspecific aggressive behaviour in the adelie penguin (Pygoscelis adeliae) [K017_1967_1971_NZ_1]
The cause, function, effect and patterns of behaviour in penguin fighting on the colony was determined from long periods of direct observations of banded penguins and on set-period recordings of all ...


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. Parameters affecting sensory and metabolic adaptations in Antarctic vertebrates and invertebrates [K022_1990_1991_NZ_1]
The sense organs of three species of Antarctic fish and Antarctic octopus, scallops and collembolans were fixed for electron microscopy. Pigmented spots around the oral cavity of nemertean worms, ...


41. Pelagic ecosystem investigations of McMurdo Sound: plankton species composition and density, ocean environmental factors, levels of seston, bacteria analysis and ice algae composition [K014_1979_1980_NZ_1]
Comparisons of water column productivity and processes was completed by comparing 4 sites including on the edge of the McMurdo Ice Shelf some 12km west of Cape Armitage, off Scott Base on the east ...


42. Penguin and seal bones collected from Cape Adare, Franklin Island and Inexpressible Island for 14C dating and Antarctic bone standards [K020_1982_1983_NZ_2]
Collections of penguin and seal bones for 14C dating were Made at Cape Adare and Franklin Island. At Inexpressible Island bone samples were obtained of a penguin and seal killed in 1912 by members ...


43. Reconnaissance of the Balleny Islands [K017_1963_1964_NZ_1]
A reconnaissance expedition took place around the Balleny Islands in the 1963-1964 field season with the objective to examine the four beaches where landings had previously been made and to search ...


44. Recording and modified playbacks of Adelie penguin parental calls to chicks in the creche stage to investigate parental chick communication [K014_1978_1979_NZ_1]
The vocal communication of Adelie penguins at Cape Bird was investigated. A single colony was selected from the Northern colony for study and all birds (established breeders and most of the non breeders) ...


45. Recordings from the lateral line nerve of Trematomus pennelli to determine if superficial neuromasts can be identified in the lateral line nerves [K012_1998_2000_NZ_1]
To determine if the superficial neuromasts, capable of reporting constant smooth water movement, can be identified in the lateral line nerves of Antarctic fish species was investigated. Recordings ...


46. 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, ...


47. 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 ...


48. Satellite tracks for female adelie penguins during the breeding season [K065_1988_1989_NZ_2]
Four satellite transmitters were deployed on female Adelie penguins during the incubation period. The transmitters were affixed to the backs of the penguins using an epoxy glue. The birds were banded, ...


49. Satellite transmitter tracking of adelie penguins during their winter migration route from Cape Bird and Cape Hallett [K063_1997_1998_NZ_1]
Winter migration routes of adelie penguins were investigated by attaching transmitters to penguins from the Cape Bird colony and Cape Hallett colony and tracking the birds throughout the winter. Dummy ...


50. Sequencing of the metallothionein gene using the RT-PCR (reverse transcriptase polymerase chain reaction) method in the Antarctic fish Pagothenia borchgrevinki to determine the exposure of Antarctic fish to heavy metals [K014_1997_1999_NZ_1]
The development and application of a new molecular approach for quantifying the exposure of Antarctic fish to heavy metals was tested. The approach uses quantitative RT-PCR (reverse transcriptase ...


Showing 1 through 50 of 214 Next

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