Relevant bibliographies by topics / Norfolk Island Population

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Academic literature on the topic 'Norfolk Island Population'

Author: Grafiati
Published: 11 December 2022
Last updated: 26 January 2023

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Journal articles on the topic "Norfolk Island Population"

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Mackey, David A., Justin C. Sherwin, Lisa S. Kearns, Yaling Ma, John Kelly, Byoung-Sun Chu, Robert MacMillan, et al. "The Norfolk Island Eye Study (NIES): Rationale, Methodology and Distribution of Ocular Biometry (Biometry of the Bounty)." Twin Research and Human Genetics 14, no. 1 (February 1, 2011): 42–52. http://dx.doi.org/10.1375/twin.14.1.42.

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Aim:To describe the recruitment, ophthalmic examination methods and distribution of ocular biometry of participants in the Norfolk Island Eye Study, who were individuals descended from the English Bounty mutineers and their Polynesian wives.Methods:All 1,275 permanent residents of Norfolk Island aged over 15 years were invited to participate, including 602 individuals involved in a 2001 cardiovascular disease study. Participants completed a detailed questionnaire and underwent a comprehensive eye assessment including stereo disc and retinal photography, ocular coherence topography and conjunctival autofluorescence assessment. Additionally, blood or saliva was taken for DNA testing.Results:781 participants aged over 15 years were seen (54% female), comprising 61% of the permanent Island population. 343 people (43.9%) could trace their family history to the Pitcairn Islanders (Norfolk Island Pitcairn Pedigree). Mean anterior chamber depth was 3.32mm, mean axial length (AL) was 23.5mm, and mean central corneal thickness was 546 microns. There were no statistically significant differences in these characteristics between persons with and without Pitcairn Island ancestry. Mean intra-ocular pressure was lower in people with Pitcairn Island ancestry: 15.89mmHg compared to those without Pitcairn Island ancestry 16.49mmHg (P= .007). The mean keratometry value was lower in people with Pitcairn Island ancestry (43.22 vs. 43.52,P= .007). The corneas were flatter in people of Pitcairn ancestry but there was no corresponding difference in AL or refraction.Conclusion:Our study population is highly representative of the permanent population of Norfolk Island. Ocular biometry was similar to that of other white populations. Heritability estimates, linkage analysis and genome-wide studies will further elucidate the genetic determinants of chronic ocular diseases in this genetic isolate.
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McEvoy, B. P., Z. Z. Zhao, S. Macgregor, C. Bellis, R. A. Lea, H. Cox, G. W. Montgomery, L. R. Griffiths, and P. M. Visscher. "European and Polynesian admixture in the Norfolk Island population." Heredity 105, no. 2 (December 9, 2009): 229–34. http://dx.doi.org/10.1038/hdy.2009.175.

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Garnett, Stephen T., Penny Olsen, Stuart H. M. Butchart, and Ary A. Hoffmann. "Did hybridization save the Norfolk Island boobook owl Ninox novaeseelandiae undulata?" Oryx 45, no. 4 (October 2011): 500–504. http://dx.doi.org/10.1017/s0030605311000871.

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AbstractThe population of the Norfolk Island boobook owl Ninox novaeseelandiae undulata, a nocturnal bird restricted to the Australian territory of Norfolk Island, was reduced to a single female in 1986. Deliberate introduction of two males of its nearest relative, the New Zealand boobook N. n. novaeseelandiae, as a conservation intervention has allowed the taxon to persist on Norfolk Island, albeit in hybrid form. Although declared Extinct in 2000, a re-examination of this unique situation has concluded there is a strong argument that the taxon should be categorized as Critically Endangered because, on average, approximately half the nuclear genome of the original taxon and all the mitochondrial DNA is conserved in all living owls on the island. This thus represents a special case in which the taxon can be considered to be extant, in hybrid form, even though no pure-bred individuals survive. More generally, we suggest that, in exceptional cases, hybridization may not be a threat to highly threatened species and that guidelines are needed to determine when to consider hybrid populations as extant forms of the original taxon, and when to declare extinction through hybridization.
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DUTSON, GUY. "Population densities and conservation status of Norfolk Island forest birds." Bird Conservation International 23, no. 3 (March 9, 2012): 271–82. http://dx.doi.org/10.1017/s0959270912000081.

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SummaryThree weeks of intensive surveys in Norfolk Island National Park in 2009 failed to find White-chested White-eye Zosterops albogularis and it was calculated that there was a less than 17% probability that a population of 10 birds had been overlooked. The last multi-observer record of this species was in 1978, and it is recommended that the species’ IUCN Red List status of “Critically Endangered” is tagged as “Possibly Extinct”. During these surveys, the population densities of seven bird species were calculated from 352 independent point counts. Causes of imprecision and bias were investigated, suggesting a small underestimation. Other species were recorded too infrequently, or their distributions were too biased, for analysis. The population densities of the extant endemic taxa were relatively high and suggest no current declines, and the population estimates were consistent with previous studies. This study recommends monitoring most species by point counts, or line transects if resources are limited, supplemented with specific monitoring of Tasman (Norfolk Island) Parakeet Cyanoramphus cookii, Pacific Robin Petroica multicolor, Southern Boobook Ninox novaeseelandiae and seabirds. Ongoing monitoring of these birds is needed to help inform management of the National Park and the island in general, given their small population sizes and their likely susceptibility to rat and cat predation, competition from alien species and drought.
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Bellis, C., H. C. Cox, M. Ovcaric, K. N. Begley, R. A. Lea, S. Quinlan, D. Burgner, S. C. Heath, J. Blangero, and L. R. Griffiths. "Linkage disequilibrium analysis in the genetically isolated Norfolk Island population." Heredity 100, no. 4 (December 19, 2007): 366–73. http://dx.doi.org/10.1038/sj.hdy.6801083.

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Bellis, C., H. C. Cox, T. D. Dyer, J. C. Charlesworth, K. N. Begley, S. Quinlan, R. A. Lea, S. C. Heath, J. Blangero, and L. R. Griffiths. "Linkage mapping of CVD risk traits in the isolated Norfolk Island population." Human Genetics 124, no. 5 (October 31, 2008): 543–52. http://dx.doi.org/10.1007/s00439-008-0580-y.

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Rodriguez-Acevedo, Astrid J., Bridget H. Maher, Rodney A. Lea, Miles Benton, and Lyn R. Griffiths. "Association of oestrogen-receptor gene (ESR1) polymorphisms with migraine in the large Norfolk Island pedigree." Cephalalgia 33, no. 14 (May 14, 2013): 1139–47. http://dx.doi.org/10.1177/0333102413486321.

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Background Oestrogen receptor 1 ( ESR1) is located in region 6q25.1 and encodes a ligand-activated transcription factor composed of several domains important for hormone binding and transcription activation. Progesterone receptor ( PGR) is located in 11q22-23 and mediates the role of progesterone interacting with different transcriptional co-regulators. ESR1 and PGR have previously been implicated in migraine susceptibility. Here, we report the results of an association study of these genes in a migraine pedigree from the genetic isolate of Norfolk Island, a population descended from a small number of Isle of Man “Bounty Mutineer” and Tahitian founders. Methods A significant number of molecular markers in the ESR1 (143) and PGR (43) genes were evaluated in a sample of 285 related individuals (135 males; 150 females). A pedigree-based analysis in the GenABEL package was used to analyse the results. Results and conclusions A total of 10 markers in the ESR1 gene showed association with migraine ( p < 0.05) in the Norfolk Island population. No association was detected with PGR. Three haplotypes in ESR1 were found to be associated with migraine ( p = 0.004, 0.03, 0.005). Future genetic studies in larger populations and expression analysis are required to clarify the role of ESR1 in migraine susceptibility.
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Rodriguez-Acevedo, A. J., M. A. Ferreira, Miles C. Benton, Melanie A. Carless, Harald H. Goring, Joanne E. Curran, John Blangero, R. A. Lea, and L. R. Griffiths. "Common polygenic variation contributes to risk of migraine in the Norfolk Island population." Human Genetics 134, no. 10 (July 29, 2015): 1079–87. http://dx.doi.org/10.1007/s00439-015-1587-9.

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Malfroy, Samuel F., John M. K. Roberts, Sabine Perrone, Glynn Maynard, and Nadine Chapman. "A pest and disease survey of the isolated Norfolk Island honey bee (Apis mellifera) population." Journal of Apicultural Research 55, no. 2 (March 1, 2016): 202–11. http://dx.doi.org/10.1080/00218839.2016.1189676.

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Sherwin, J. C., A. W. Hewitt, L. S. Kearns, M. T. Coroneo, L. R. Griffiths, and D. A. Mackey. "Distribution of conjunctival ultraviolet autoflourescence in a population-based study: the Norfolk Island Eye Study." Eye 25, no. 7 (April 15, 2011): 893–900. http://dx.doi.org/10.1038/eye.2011.83.

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Dissertations / Theses on the topic "Norfolk Island Population"

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Pishva, Seyyed Reza. "Investigation of hypertension susceptibility markers in the Norfolk Island population isolate and an Australian hypertensive-normotensive cohort." Thesis, Queensland University of Technology, 2018. https://eprints.qut.edu.au/122225/1/Seyyed%20Reza_Pishva_Thesis.pdf.

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This thesis utilised the unique Norfolk Island (NI) genetic isolate population and an Australian hypertensive-normotensive (HT-NT) cohort to identify hypertension susceptibility markers. Specifically, an Australian HT-NT population was used for a genetic replication study to validate findings for candidate single nucleotide polymorphisms (SNPs) identified from a Genome-Wide Association Study of NI HT-NT samples. Additionally, epigenetic modifications in regulatory regions of candidate genes were explored to determine the potential impact of DNA methylation in hypertension. The results of this study identified novel genomic and epigenomic regions which correlate with hypertension risk providing potential for new drug targets for treatment and diagnostic applications.
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Rodriguez, Acevedo Astrid Jannet. "Identification of genetic variants contributing to the migraine phenotype in different Australian populations." Thesis, Queensland University of Technology, 2015. https://eprints.qut.edu.au/87082/1/Astrid%20Jannet_Rodriguez%20Acevedo_Thesis.pdf.

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This project aimed to identify novel genetic risk variants associated with migraine in the Norfolk Island population. Statistical analysis and bioinformatics approaches such as polygenic modeling and gene clustering methods were carried out to explore genotypic and expression data from high-throughput techniques. This project had a particular focus on hormonal genes and other genetic variants and identified a modest effect size on the migraine phenotype.
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Books on the topic "Norfolk Island Population"

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Anderson, Atholl. The Prehistory of South Polynesia. Edited by Ethan E. Cochrane and Terry L. Hunt. Oxford University Press, 2014. http://dx.doi.org/10.1093/oxfordhb/9780199925070.013.025.

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Southern Polynesia, including New Zealand, the outlying Norfolk, Kermadec, Chatham, and Auckland Island groups was colonized after A.D. 1200 by populations from Central East Polynesia. Interaction between Eastern Polynesian and Southern Polynesian populations ceased soon after colonization, although interaction between the various outlying islands and the New Zealand population continued for possibly another 200 years. Early New Zealand populations exploited plentiful moa, a large flightless bird, and pinnipeds as food sources, hunting the former to extinction. Later horticultural activities, especially in the more clement North Island, focused on kumara or sweet potato. Although Maori society was never as hierarchical as East Polynesian populations, there is abundant archaeological and ethnographic evidence of later complex social and political systems, exchange or distribution networks for utilitarian and prestige goods, and extensive competition between groups, most prominently indicated by the approximately 7,000 fortified sites or pa distributed largely within horticultural landscapes.
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Forshaw, Joseph, and William Cooper. Pigeons and Doves in Australia. CSIRO Publishing, 2015. http://dx.doi.org/10.1071/9781486304042.

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Possibly the most successful urban birds, pigeons and doves in the Order Columbiformes are one of the most easily recognised groups. They are an ancient and very successful group with an almost worldwide distribution and are most strongly represented in tropical and subtropical regions, including Australia. In most species simple plumage patterns feature mainly grey and brown with black, white or dull reddish markings, but the highly colourful fruit-doves include some of the most beautiful of all birds. From dense rainforests of north Queensland, where brilliantly plumaged Superb Fruit-Doves Ptilinopus superbus are heard more easily than seen, to cold, windswept heathlands of Tasmania, where Brush Bronzewings Phaps elegans are locally common, most regions of Australia are frequented by one or more species. For more than a century after arrival of the First Fleet, interest in these birds focused on the eating qualities of larger species. In addition to contributing to declines of local populations in some parts of Australia, excessive hunting brought about the extinction of two species on Lord Howe Island and another species on Norfolk Island. In Pigeons and Doves in Australia, Joseph Forshaw and William Cooper have summarised our current knowledge of all species, including those occurring on Christmas, Norfolk and Lord Howe Islands, and with superb artwork have given readers a visual appreciation of the birds in their natural habitats. Historical accounts of extinct species are also included. Detailed information on management practices for all species is presented, ensuring that Pigeons and Doves in Australia will become the standard reference work on these birds for ornithologists and aviculturists. Winner of a 2015 Whitley Awards Certificate of Commendation for Illustrated Text.
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