Bibliografie tematiche / Motunau Island

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Letteratura scientifica selezionata sul tema "Motunau Island"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 1 febbraio 2022

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Articoli di riviste sul tema "Motunau Island"

1

Oakley, David O. S., Darrell S. Kaufman, Thomas W. Gardner, Donald M. Fisher e Rebecca A. VanderLeest. "Quaternary marine terrace chronology, North Canterbury, New Zealand, using amino acid racemization and infrared-stimulated luminescence". Quaternary Research 87, n. 1 (gennaio 2017): 151–67. http://dx.doi.org/10.1017/qua.2016.9.

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AbstractExtensive marine terraces along the North Canterbury coast of the South Island of New Zealand record uplift in this tectonically active area. Although the terraces have been studied previously, applications of Quaternary geochronological techniques to the region have been limited. We use infrared-stimulated luminescence (IRSL), amino acid racemization (AAR), and radiocarbon to determine ages of terraces at three locations—Glenafric, Motunau Beach, and Haumuri Bluff. We develop an AAR calibration curve for the mollusk speciesTawera spissafrom sites of known age, including the sedimentary sequence of the Whanganui Basin. Bayesian model averaging of the results is used to estimate ages of marine shells from the North Canterbury terraces. By using both IRSL and AAR, we are able to confirm ages using two independent dating methods and to identify one IRSL result that is likely in error. We develop new age estimates for the marine terraces of North Canterbury and propose correlations between sites. This terrace chronology differs significantly from most previous studies, highlighting the importance of numerical dating. The most extensive terraces are from marine isotope stages (MISs) 5a and 5c, with partial reoccupation of one terrace during MIS 3, whereas MIS 5e terraces are notably lacking among those dated.
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2

Pettinga, Jarg R., Mark D. Yetton, Russ J. Van Dissen e Gaye Downes. "Earthquake source identification and characterisation for the Canterbury region, South Island, New Zealand". Bulletin of the New Zealand Society for Earthquake Engineering 34, n. 4 (31 dicembre 2001): 282–317. http://dx.doi.org/10.5459/bnzsee.34.4.282-317.

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Abstract (sommario):
The Canterbury region of the South Island of New Zealand straddles a wide zone of active earth deformation associated with the oblique continent-continent collision between the Australian and Pacific tectonic plates east of the Alpine fault. The associated ongoing crustal strain is documented by the shallow earthquake activity (at depths of <40 km) and surface deformation expressed by active faulting, folding and ongoing geodetic strain. The level of earth deformation activity (and consequent earthquake hazard) decreases from the northwest to the southeast across the region. Deeper-level subduction related earthquake events are confined to the northernmost parts of the region, beneath Marlborough. To describe the geological setting and seismological activity in the region we have sub-divided the Canterbury region into eight domains that are defined on the basis of structural styles of deformation. These eight domains provide an appropriate geological and seismological context on which seismic hazard assessment can be based. A further, ninth source domain is defined to include the Alpine fault, but lies outside the region. About 90 major active earthquake source faults within and surrounding the Canterbury region are characterised in terms of their type (sense of slip), geometry (fault dimensions and attitude) and activity (slip rates, single event displacements, recurrence intervals, and timing of last rupture). In the more active, northern part of the region strike-slip and oblique strike-slip faults predominate, and recurrence intervals range from 81 to >5,000 years. In the central and southern parts of the region oblique-reverse and reverse/thrust faults predominate, and recurrence intervals typically range from -2,500 to >20,000 years. In this study we also review information on significant historical earthquakes that have impacted on the region (e,g. Christchurch earthquakes 1869 and 1870; North Canterbury 1888; Cheviot 1902; Motunau 1922; Buller 1929; Arthurs Pass 1929 and 1994; and others), and the record of instrumental seismicity. In addition, data from available paleoseismic studies within the region are included; and we also evaluate large potential earthquake sources outside the Canterbury region that are likely to produce significant shaking within the region. The most important of these is the Alpine fault, which we include as a separate source domain in this study. The integrated geological and seismological data base presented in this paper provide the foundation for the probabilistic seismic hazard assessment for the Canterbury region, and this is presented in a following companion paper in this Bulletin (Stirling et al. this volume).
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3

Miller, Craig J., John L. Craig e Neil D. Mitchell. "Ark 2020: A conservation vision for Rangitoto and Motutapu Islands". Journal of the Royal Society of New Zealand 24, n. 1 (marzo 1994): 65–90. http://dx.doi.org/10.1080/03014223.1994.9517456.

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4

Griffiths, Richard, Fin Buchanan, Keith Broome, John Neilsen, Derek Brown e Michelle Weakley. "Successful eradication of invasive vertebrates on Rangitoto and Motutapu Islands, New Zealand". Biological Invasions 17, n. 5 (25 ottobre 2014): 1355–69. http://dx.doi.org/10.1007/s10530-014-0798-7.

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5

Davidson, Janet, e Foss Leach. "Archaeological excavations at Pig Bay (N38/21, R10/22), Motutapu Island, Auckland, New Zealand, in 1958 and 1959". Records of the Auckland Museum 52 (15 dicembre 2017): 9–38. http://dx.doi.org/10.32912/ram.2017.52.2.

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6

Davidson, Janet, e Foss Leach. "Archaeological excavations at Pig Bay (N38/21, R10/22), Motutapu Island, Auckland, New Zealand, in 1958 and 1959". Records of the Auckland Museum 52 (15 dicembre 2017): 9–38. http://dx.doi.org/10.32912/ram.2018.52.2.

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7

Veale, A. J., D. M. Gleeson e M. N. Clout. "Measuring connectivity of invasive stoat populations to inform conservation management". Wildlife Research 41, n. 5 (2014): 395. http://dx.doi.org/10.1071/wr14015.

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Abstract (sommario):
Context Effective design of conservation management programs for long-term population control requires an accurate definition of the spatial extent of populations, along with a proper understanding of the ways that landscape patchiness influences demography and dispersal within these populations. Aims In the present study, genetic techniques are used to describe the population genetic structure and connectivity of invasive stoats (Mustela erminea) across the Auckland region, New Zealand, so as to assist planning for mainland stoat control, and define potential future eradication units. Methods A sample of stoats from across the region (n = 120), was genotyped at 17 microsatellite loci, and a combination of clustering, genetic population assignment and various migration estimation methods were applied to these data. Key results Moderate population structure was observed (FST = 0.03–0.21), with five geographic populations defined by genetic clustering. Almost all individuals were correctly assigned to the location of origin, and recent migration rates among forest patches were found to be low. Conclusions It is possible to define the origin of stoats at this regional scale using genetic measures. From this, we show that the stoat incursion on Rangitoto Island that occurred post-eradication in 2010 probably came from East Auckland (P < 0.0001), whereas the 2014 stoat incursion on Motutapu Island probably originated from a population linked to the Waitakeres. Also, the Waiheke Island stoat population has minimal connection to all other populations and it is therefore a potential eradication unit. Implications The low migration rates among forest patches indicated that if thorough control is imposed on a discrete forest patch, reinvasion from other forest patches will be relatively low. Importantly, for stoat control in the region, the isolation of the Waiheke Island stoat population means that eradication here is likely to be feasible with low reinvasion pressure.
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8

Fischer, Steven Roger. "Rapanui'sTu'u IhoVersus Mangareva'sAtu Motua: Evidence for multiple reanalysis and replacement in Rapanui settlement traditions, Easter Island∗". Journal of Pacific History 29, n. 1 (giugno 1994): 3–18. http://dx.doi.org/10.1080/00223349408572755.

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9

Griffiths, Richard, Fin Buchanan, Keith Broome e Brett Butland. "Rangitoto and Motutapu – A Starting Point for Future Vertebrate Pest Eradications on Inhabited Islands". Proceedings of the Vertebrate Pest Conference 25 (2012). http://dx.doi.org/10.5070/v425110573.

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Tesi sul tema "Motunau Island"

1

Bannock, C. A. "Implications of past and future vegetation change for the lizard fauna of Motunau Island". Lincoln University, 1998. http://hdl.handle.net/10182/442.

Testo completo
Abstract (sommario):
Abundance, distribution and habitat preferences of the lizard species present on Motunau Island, off the Canterbury coast of New Zealand, were investigated. The aim of the study was to investigate the extent to which recent vegetation change on Motunau Island has effected the lizard community and what implications this has for the future management of the Island. Three species of lizard occur on Motunau Island; the common gecko (Hoplodactylus maculatus), common skink (Oligosoma nigriplantare polychroma) and spotted skink (O. lineoocellatum). Rabbits (Oryctolagus cuniculus) were present on the island from 1862 until their eradication in 1962. Since then, vegetation on the island has changed from being tussock-dominated to being dominated by exotic weeds. Data from lizard pitfall trap surveys carried out in 1967-75 by Tony Whitaker of the Department of Scientific and Industrial Research (DSIR) were compared with new pitfall trapping data to determine if changes in the lizard population had occurred in response to these vegetation changes. The abundance of O. n. polychroma and H. maculatus does not appear to change significantly. The distribution of these two species were significantly correlated but neither showed any preference for a particular type. The abundance of O. lineoocellatum was significantly greater in 1996/97 than in the earlier DSlR surveys. This could be a result of the vegetation becoming more open and more structurally complex since the early surveys. This would offer greater opportunities for O. lineoocellatum (which is strongly heliothermic) to thermoregulate and forage. O. lineoocellatum showed no consistent significant preference towards any habitat type, although they tended to be found more in 'margin' habitat. Research into pitfall trapping and the way lizard behaviour may influence pitfall trapping data needs to be undertaken as there is a possible trap bias in this study. Management of Motunau Island needs to ensure that a structurally complex environment is maintained to ensure high numbers of all three lizard species can continue to coexist.
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2

Bannock, Carol A. "Implications of past and future vegetation change for the lizard fauna of Motunau Island". Master's thesis, Lincoln University. Bio-Protection and Ecology Division, 1998. http://theses.lincoln.ac.nz/public/adt-NZLIU20080430.163408/.

Testo completo
Abstract (sommario):
Abundance, distribution and habitat preferences of the lizard species present on Motunau Island, off the Canterbury coast of New Zealand, were investigated. The aim of the study was to investigate the extent to which recent vegetation change on Motunau Island has effected the lizard community and what implications this has for the future management of the Island. Three species of lizard occur on Motunau Island; the common gecko (Hoplodactylus maculatus), common skink (Oligosoma nigriplantare polychroma) and spotted skink (O. lineoocellatum). Rabbits (Oryctolagus cuniculus) were present on the island from 1862 until their eradication in 1962. Since then, vegetation on the island has changed from being tussock-dominated to being dominated by exotic weeds. Data from lizard pitfall trap surveys carried out in 1967-75 by Tony Whitaker of the Department of Scientific and Industrial Research (DSIR) were compared with new pitfall trapping data to determine if changes in the lizard population had occurred in response to these vegetation changes. The abundance of O. n. polychroma and H. maculatus does not appear to change significantly. The distribution of these two species were significantly correlated but neither showed any preference for a particular type. The abundance of O. lineoocellatum was significantly greater in 1996/97 than in the earlier DSlR surveys. This could be a result of the vegetation becoming more open and more structurally complex since the early surveys. This would offer greater opportunities for O. lineoocellatum (which is strongly heliothermic) to thermoregulate and forage. O. lineoocellatum showed no consistent significant preference towards any habitat type, although they tended to be found more in 'margin' habitat. Research into pitfall trapping and the way lizard behaviour may influence pitfall trapping data needs to be undertaken as there is a possible trap bias in this study. Management of Motunau Island needs to ensure that a structurally complex environment is maintained to ensure high numbers of all three lizard species can continue to coexist.
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