Academic literature on the topic 'Kermadecs'

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Journal articles on the topic "Kermadecs"

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BIRD, GRAHAM J. "Additions to the Tanaidacea (Crustacea: Peracarida) of Rangitâhua, the Kermadec Islands, from the Southwest Pacific Expedition 2017." Zootaxa 4860, no. 2 (October 12, 2020): 151–78. http://dx.doi.org/10.11646/zootaxa.4860.2.1.

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Four new species or morphospecies of tanaidaceans, all of small size (c. 1 mm), from the Rangitâhua-Kermadecs component of the Southwest Pacific Expedition 2017 survey are recorded and described: Collettea coralensis n. sp., leptocheliid sp.RK#1, Psalidichelia concinna n. g. & n. sp., and Stachyops cf. sebparri. Six had been described or recorded from the earlier Kermadec Biodiscovery Expedition 2011: Aparatanais tetradonta, Chondrochelia acrolophus, Metatanais progenitor, Paradoxapseudes floppae, Tanais sp., and Zeuxo kermadecensis. This brings the number of known tanaid species from the Rangitâhua/Kermadecs group to ten. The records of the Collettea species are notable for the shallow depths from which they were collected, 4–18 m, and the habitats sampled: coral rubble, coral encrusts on rocks, and red algae.
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Daughenbaugh, John. "The Recent Cypraeidae of Northern New Zealand from the Kermadec Islands to the Poor Knights Islands, Southwest Pacific Ocean (Mollusca: Gastropoda: Cypraeidae)." Festivus 50, no. 1 (February 1, 2018): 36–54. http://dx.doi.org/10.54173/f501036.

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For researchers, isolated regions at the periphery of species’ distributions hold a peculiar fascination. The causes of their remoteness vary based on: distance (e.g. the Tropical Eastern Pacific), distance and countervailing currents (e.g. the Marquesas), location in a present day gyre (e.g. the Pitcairn Group) or the absence of present day means of veliger transport (e.g. the Vema Seamount). (Daughenbaugh & Beals 2013; Daughenbaugh 2015a & b, 2017). The northern New Zealand Region from the Kermadec Islands (Kermadecs) to the coastal and shelf areas in the northernmost part of New Zealand’s North Island (Northland), including the Poor Knights Islands (PKI), constitute the distributional boundaries for a number of Cypraeidae species. The boundaries are the result of the absence of coastal shelves along the east side of the Kermadec Ridge (Ridge) and precipitous drops to abyssal depths along Northland’s east coast continental shelf. Tropical waters, with their potential to transport Cypraeidae larvae, flow eastward from southern Queensland, Australia, entrained in the Tasman Front which terminates when reaching North Cape, the northernmost tip of Northland. There, the North Cape Eddy captures most of this flow while the remainder, the East Auckland Current (EAUC), flows intermittently southward along the eastern coastal, shelf and offshore areas of Northland into waters incapable of supporting Cypraeidae populations.
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O’LOUGHLIN, P. MARK, and DIDIER VANDENSPIEGEL. "Sea cucumbers collected by the Kermadec Biodiscovery Expedition 2011 (Echinodermata: Holothuroidea: Apodida and Dendrochirotida)." Zootaxa 3515, no. 1 (October 12, 2012): 60. http://dx.doi.org/10.11646/zootaxa.3515.1.4.

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Three shallow holothuroid species are recorded for the rocky shoreline of the Kermadec Islands. The new apodid speciesChiridota kermadeca sp. nov. is described. Two dendrochirotid species are reported, both previously found in New Zealand: Plesiocolochirus ignavus (Ludwig, 1875) and Pseudocnus sentus O’Loughlin & Alcock, 2000.Trois espèces peu profondes d’holothuries ont été observées sur le rivage rocheux des îles de Kermadec. Deux d’entreelles appartiennent à deux espèces de dendrochirotid également connues de Nouvelle Zélande: Plesiocolochirus ignavus(Ludwig, 1875) et Pseudocnus sentus O’Loughlin & Alcock, 2000. La troisième espèce: Chiridota kermadeca sp. nov., nouvelle pour la science, est décrite.
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Galloway, David J. "Notes on the holotype of Sticta damaecornis β weigelii Ach. (=Sticta weigelii)." Lichenologist 38, no. 1 (December 19, 2005): 89–92. http://dx.doi.org/10.1017/s0024282905015598.

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Sticta wiegelii (Ach.) Vain., a cyanobacterial lichen characterized by mainly marginal isidia, occurs in montane rainforest in both tropical and cool-temperate forest biomes, being known from East Africa (Stizenberger 1895; Swinscow & Krog 1988; Krog 2000), Réunion and Madagascar (Nylander 1868; Hue 1890, 1901a), India (Joshi & Awasthi 1982); Japan (Yoshimura 1974; Kurokawa 2003; Takahashi et al. 2004), Central America and the West Indies (Nylander 1865; Hue 1890, 1901a; Imshaug 1956, 1957; Harris 1984; McDonald et al. 2003), Colombia, Venezuela, Brazil (Martius 1833; Vainio 1890; Hue 1901a; Malme 1934; McDonald et al. 2003), Argentina, Chile (Galloway 1994a), Java (Nylander 1868; Stizenberger 1895; Hue 1901b; Zahlbruckner & Mattick 1956); New Guinea (Szatala 1956; Streimann 1986), north-eastern Australia (Galloway 1998, 2001; McDonald et al. 2003), and several Pacific island groups including Hawaii, Fiji, the Galapagos, Tahiti, New Caledonia and the Kermadecs (for references see Elix & McCarthy 1998: 269; McDonald et al. 2003).
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JUST, JEAN. "Remarkable Australasian marine diversity: 18 new species in Pentaceration Just, 2009 (Crustacea, Isopoda, Paramunnidae)." Zootaxa 2813, no. 1 (April 8, 2011): 1. http://dx.doi.org/10.11646/zootaxa.2813.1.1.

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Eighteen new species in Pentaceration Just, 2009 (Isopoda, Paramunnidae) are described. From the Arafura Sea: Pentaceration bifida; from south eastern Australia: P. bovicornis, P. denticornis, P. globopleonis, P. lancifera, P. magna, P. megalomos, P. omalos, P. rihothalassa, P. serrata, P. simplex, P. tasmaniensis; from New Zealand: P. curvicornis, P. dentifera, P. novaezealandia, P. epipedos, P. setosa; from the Kermadec Trench: P. kermadecia. A key to the 20 known species of Pentaceration is given. Pentaceration is the most diverse genus in the Paramunnidae and has the greatest depth range (7 to 5340 meters). The general distribution of the genus and the presence of species with functional eyes at shelf depth (all other species blind) suggest a shallow water Gondwana origin.
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Khazem, Mays, Thomas Gaslonde, Vincent Dumontet, Cyril Poullain, Marc Litaudon, and Sylvie Michel. "Cytotoxic turrianes from Kermadecia elliptica: Hemisynthesis and biological activities of kermadecin A derivatives." Phytochemistry Letters 10 (December 2014): 249–54. http://dx.doi.org/10.1016/j.phytol.2014.10.006.

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Renner, Matt A. M., Nicolas Devos, Elizabeth A. Brown, and Matt J. von Konrat. "A revision of Australian species of Radula subg. Odontoradula." Australian Systematic Botany 26, no. 6 (2013): 408. http://dx.doi.org/10.1071/sb13035.

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The current paper presents molecular data from three chloroplast markers (atpB–rbcL spacer, trnG G2 intron, trnL–trnF intron and spacer); morphological data, and geographic data to support the recognition of nine species belonging to Radula subg. Odontoradula in Australasia. R. ocellata, the subgeneric type from the Wet Tropics bioregion, is maintained as distinct from its sister species, R. pulchella, from south-eastern Australian rainforests; both species are Australian endemics. Reinstatement of R. allisonii from synonymy, under R. retroflexa, is supported by molecular data and morphological characters, including the absence of triradiate trigones on leaf-lobe cell walls, the apex of lobules on primary shoots not being turned outwards, the oblong-elliptic female bracts, and the perianths having a pronounced wing. Reinstatement of R. weymouthiana, from synonymy under R. retroflexa, is also supported by molecular data and morphological characters, including the presence of a single low dome-shaped papilla over each leaf-lobe cell, and the large imbricate lobules on primary shoots. R. weymouthiana occurs in Tasmania and New Zealand, whereas R. allisonii is a New Zealand endemic. Australian R. retroflexa exhibits differentiation into epiphytic and rheophytic morphs, interpreted as ecotypes. Australian individuals, comprising both epiphytic and rheophytic morphs, are monophyletic and nested within a clade containing individuals from other regions. R. novae-hollandiae is newly reported for the New Zealand Botanical Region, from Raoul Island in the Kermadecs. R. novae-hollandiae exhibits decoupling of morphological and molecular divergence, with Australian individuals forming two clades reflecting geography (a Wet Tropics bioregion clade and a south-eastern Rainforest clade). These clades exhibit equivalent levels of molecular divergence, as observed in R. pulchella and R. ocellata, but no morphological differences. Similar levels of molecular divergence were observed in trans-Tasman populations of R. tasmanica. The New Zealand endemic, R. plicata, is excluded from the Australian flora, and R. cuspidata replaces R. dentifolia for the New Zealand endemic species formerly known by both names.
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McCormack, Fiona. "The Kermadec Ocean Sanctuary: Terraqueous Territorialization and Māori Marine Environments." Pacific Affairs 94, no. 1 (March 1, 2021): 77–96. http://dx.doi.org/10.5509/202194177.

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This paper interprets the disrupted establishment of the Kermadec Ocean Sanctuary, a 620,000 square kilometre marine protection area, as a crucial moment in Pacific frontier making. The development of large-scale protected marine areas is a politically charged frontier tool, in which states garner international recognition and environmental renown by setting aside large swathes of their exclusive economic zones. In the Kermadec Sanctuary, this enclosure hit against an assemblage of Indigenous histories, ecologies, repatriated fishing rights, and privatized fishing quota challenging the oftmarginalized agency of Indigenous people in frontier narratives. This paper argues that three factors are fundamental to untangling this conflict: first, the historical trajectory of terraqueous territorialization in the Kermadec region, second, the post-Treaty of Waitangi settlement dynamics of Maori marine environments, and third, the common ecosystem services model underlying conservation and extraction.
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Sykes, W. R. "Kermadec ngaio (Myoporum, Myoporaceae)." New Zealand Journal of Botany 25, no. 4 (October 1987): 595–601. http://dx.doi.org/10.1080/0028825x.1987.10410090.

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HOESE, DOUGLASS F., and ANDREW L. STEWART. "A new species of the gobiid genus Eviota (Teleostei: Gobioidei) from the Kermadec Islands, New Zealand." Zootaxa 3418, no. 1 (August 10, 2012): 61. http://dx.doi.org/10.11646/zootaxa.3418.1.5.

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Eviota kermadecensis is described as a new species from the Kermadec Islands, mainly from Raoul Island, and is the onlyspecies of Eviota known from the Kermadec Islands. It is most similar to E. abax and E. masudai from Japan in morphol-ogy and fin-ray counts. All three species normally have I,10 second dorsal fin-ray counts. Eviota kermadecensis differs largely in coloration. The species has a ratio of 1.5 females to males and males average a larger size.
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Dissertations / Theses on the topic "Kermadecs"

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Grammatopoulou, Eleanna. "Investigating the Resource Accumulation Depth hypothesis of the sediments of the Mariana and Kermadec trenches." Thesis, University of Aberdeen, 2018. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=239877.

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Robinson, Adam Hackett. "Seamount structure and subduction at the Louisville Ridge–Tonga-Kermadec collision." Thesis, Durham University, 2017. http://etheses.dur.ac.uk/12497/.

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The Louisville Ridge (LRSC) is an ~4000 km-long SW Pacific seamount chain currently being subducted at the Tonga-Kermadec Trench (TKT). Both the trend of the LRSC and the subduction of the Pacific plate are oblique to the trench, resulting in southward migration of the intersection point at a rate of 120-180 mm yr-1, and producing significant along-strike variation in forearc structure and seismicity. The LRSC-TKT intersection was investigated by a multi-disciplinary geophysical experiment aboard the R/V Sonne in 2011, acquiring multichannel and wide-angle seismic, gravity, and bathymetry data, to better understand the effect of subducting bathymetric features on forearc deformation. As part of this, it is necessary to determine the structure and characteristics of the incoming seamounts, and how they are deformed during subduction. This study is underpinned by an ~725 km-long profile traversing the oldest extant LRSC seamounts, that continues along its projection into the trench and forearc. LRSC seamounts display a range of internal structures, including shallow, high-velocity (≥6 km s-1) cores. The also sit on crust that is not significantly thickened. At the trench, Osbourn seamount is experiencing bend-induced normal faulting which suggests that each seamount may be disarticulated to a size smaller than the imaging resolution. Observed similarity between the P-wave velocity structure of seamount flank material and ordinary subducting oceanic crust also suggests that distinguishing between these in the trench-forearc region is challenging. Consequently, it is not unequivocally possible to determine, within the confines of the profile locations and model resolution, whether the last LRSC seamount to have subducted, was subducted intact along the continuation of the trend of the extant chain. Along-margin observations indicate that significant seamount-related forearc deformation is superimposed on pre-existing crustal structures, with the maximum deformation occurring in the wake of the migration of active collision. Observations of forearc morphology at the present-day intersection point support those from seismicity and plate reconstruction, which suggests that this location may also coincide with a westerly rotation in the trend of the chain.
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Funnell, Matthew James. "Evolution of the Tonga-Kermadec forearc in response to seamount subduction." Thesis, Durham University, 2017. http://etheses.dur.ac.uk/12360/.

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Subducting plate characteristics are recorded as temporal variations in overriding plate deformation. Downgoing bathymetric anomalies superimpose enhanced tectonic erosion on pre-existing forearc crustal and sedimentary structural variations. Existing models of inherited forearc crustal structure along the Tonga-Kermadec subduction system are simplistic and neglect along-strike variability, which has resulted in a limited understanding of margin evolution and Louisville Ridge seamount chain (LRSC) subduction. In this study, robustly tested, velocity-depth and density-depth models are synthesised with existing data from the Tonga-Kermadec margin to reveal along-strike variations in the subducting and overriding plate structure. In regions north and south of the point of LRSC subduction, the incoming Pacific plate displays > 2 km-throw bend faults and reduced seismic velocity throughout the crust and upper mantle by ~1.0 km s⁻¹ and ~0.5 km s⁻¹, respectively. Around the LRSC-trench intersection, the trench axial depth decreases by 4 km and normal fault throw is reduced to < 1 km, suggesting the seamounts reduce subducting plate deformation. The forearc structure is dominated by the extinct (~51 Ma) Tonga arc, defined by a high velocity (7.0-7.4 km s⁻¹) and density (3.30 ± 0.10 g cm⁻³) lower crustal anomaly. Increases in Tonga-Kermadec forearc crustal thickness from 12 to > 18 km over 300 km along-strike are coincident with variations in bathymetry and free-air gravity anomaly that reveal a broader trend of northward-increasing crustal thickness between 18° and 32°, predating LRSC subduction at the margin. Beyond this region, the overriding crust formed as the south Fiji Basin opened ~35 Ma. Within this framework of existing crustal structure, LRSC subduction promotes erosion of the overriding crust, forming a steep unstable lower-trench slope. Following seamount subduction, trench-slope stability is re-established by the collapse of the extinct Tonga arc, suggesting that seamount subduction commenced at 22° along the margin.
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Blankenship, Lesley Elizabeth. "Ecology of the Tonga and Kermadec Trench hadal zone : inferences from scavenging amphipods /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2005. http://wwwlib.umi.com/cr/ucsd/fullcit?p3208810.

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Bonnardot, Marie-Aude. "Etude géodynamique de la Zone de subduction Tonga-Kermadec par une approche couplée de modélisation numérique 3D et de sismotectonique." Phd thesis, Université de Nice Sophia-Antipolis, 2006. http://tel.archives-ouvertes.fr/tel-00204905.

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La zone de subduction des Tonga-Kermadec est le résultat d une évolution géodynamique complexe. L intéraction des mécanismes d ouverture du domaine arrière-arc, de la subduction de la ride oblique de Louisville, de la déchirure de la plaque Pacifique plongeante ou encore d une obliquité de convergence croissante du Nord au Sud de la zone, est à l origine de la segmentation morphotectonique actuelle du système. Une approche couplée de modélisation numérique 3D et de sismotectonique a permis d étudier l état de contrainte d un système convergent induit lors de la subduction d une plaque océanique le long d une marge courbe ou encore, lors de la subduction d un relief océanique. Pour cela, un code numérique en éléments finis thermo-mécanique en 3D (ADELI-3D) a été développé par R. Hassani, puis validé dans le cadre de cette thèse. Les résultats soulignent un effet significatif des variations latérales d un système convergent sur les déformations lithosphériques engendrées. (1) Dans le cas de marges à géométrie courbe, une convexité ou concavité vers l océan, induit respectivement un régime compressif ou extensif dans la plaque supérieure et ce, quel que soit le contraste de densité entre la lithosphère et l asthénosphère ou encore la valeur du coefficient de friction interplaque. (2) Les résultats des simulations numériques 3D et de l étude sismotectonique ont mis en évidence le rôle significatif de la subduction d une ride océanique sur l état de contrainte de la plaque supérieure. La subduction d une ride se traduit par la surrection de la marge et un régime compressif au front du relief en subduction. Nos simulations montrent que la distribution des contraintes au sein de la plaque chevauchante est contrôlée par l obliquité de la ride. Dans la plaque chevauchante du système Tonga-Kermadec, une segmentation tectonique et cinématique des zones d arc et d arrière-arc est mise en évidence à travers la résolution de l état de contraintes déduit des mécanismes au foyer. Un régime de contraintes similaire est obtenu dans nos modèles 3D et nous permet de confirmer le rôle significatif de la subduction de la ride de Louisville sur la structuration actuelle du bassin arrière-arc de Lau. (3) L étude de la distribution de la sismicité et des mécanismes au foyer de la plaque plongeante révèle une influence de cette ride sur le comportement profond de la plaque. Un saut de subduction, qui coïncide avec l arrivée de la ride de Louisville dans la fosse est mis en évidence au Nord de la ride de Peggy. Ce saut de subduction s est accompagné d un détachement de la partie profonde du panneau plongeant, souligné par une vaste lacune de sismicité sous le Bassin de Lau. Une étude fine de la distribution de la sismicité de la plaque supérieure a permis d identifier de nouvelles structures tectoniques dans le Nord du système Tonga, à savoir l axe Futuna-Niua Fo ou, interprété comme une ancienne frontière de plaques et l accident intra-arc de Niuatoputapu, impliqués dans la réorganisation globale du système.
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Bonnardot, Marie-Aude. "Étude géodynamique de la zone de subduction Tonga-Kermadec par une approche couplée de modélisation numérique 3D et de sismotectonique." Nice, 2006. http://www.theses.fr/2006NICE4072.

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Etude géodynamique de la zone de subduction Tonga-Kermadec par une approche couplée de modélisation numérique 3D et de sismotectonique La zone de subduction des Tonga-Kermadec est le résultat d’une évolution géodynamique complexe. L’interaction des mécanismes d’ouverture du domaine arrière-arc, de la subduction de la ride oblique de Louisville, de la d´echirure de la plaque Pacifique plongeante ou encore d’une obliquité de convergence croissante du Nord au Sud de la zone, est `a l’origine de la segmentation morphotectonique actuelle du système. Une approche couplée de modélisation numérique 3D et de sismotectonique a permis d’étudier l’état de contrainte d’un système convergent induit lors de la subduction d’une plaque océanique le long d’une marge courbe ou encore, lors de la subduction d’un relief océanique. Pour cela, un code numérique en éléments finis thermo-mécanique en 3D (ADELI-3D) a été développé par R. Hassani, puis validé dans le cadre de cette thèse. Les résultats soulignent un effet significatif des variations latérales d’un système convergent sur les déformations lithosphériques engendrées. (1) Dans le cas de marges à géométrie courbe, une convexité ou concavité vers l’océan, induit respectivement un régime compressif ou extensif dans la plaque supérieure et ce, quel que soit le contraste de densité entre la lithosphère et l’asthénosphère ou encore la valeur du coefficient de friction interplaque. (2) Les résultats des simulations numériques 3D et de l’étude sismotectonique ont mis en évidence le rôle significatif de la subduction d’une ride océanique sur l’état de contrainte de la plaque supérieure. La subduction d’une ride se traduit par la surrection de la marge et un régime compressif au front du relief en subduction. Nos simulations montrent que la distribution des contraintes au sein de la plaque chevauchante est contrôlée par l’obliquité de la ride. Dans la plaque chevauchante du système Tonga-Kermadec, une segmentation tectonique et cinématique des zones d’arc et d’arrière-arc est mise en évidence à travers la résolution de l’état de contraintes déduit des mécanismes au foyer. Un régime de contraintes similaire est obtenu dans nos modèles 3D et nous permet de confirmer le rôle significatif de la subduction de la ride de Louisville sur la structuration actuelle du bassin arrière-arc de Lau. (3) L’étude de la distribution de la sismicité et des mécanismes au foyer de la plaque plongeante révèle une influence de cette ride sur le comportement profond de la plaque. Un saut de subduction, qui coÏncide avec l’arrivée de la ride de Louisville dans la fosse est mis en évidence au Nord de la ride de Peggy. Ce saut de subduction s’est accompagné d’un détachement de la partie profonde du panneau plongeant, souligné par une vaste lacune de sismicité sous le Bassin de Lau. Une étude fine de la distribution de la sismicité de la plaque supérieure a permis d’identifier de nouvelles structures tectoniques dans le Nord du système Tonga, `a savoir l’axe Futuna-Niua Fo’ou, interpréé comme une ancienne frontière de plaques et l’accident intra-arc de Niuatoputapu, impliqués dans la réorganisation globale du système
Geodynamical study of the Tonga-Kermadec subduction zone using both 3-D numerical modelling and seismotectonics approaches The Tonga-Kermadec subduction zone is the consequence of a complex geodynamical evolution. The interaction between the back-arc opening mechanisms, the subduction of the oblique aseismic Louisville Seamount Chain, the tearing of the Pacific Plate and the increasing obliquity of convergence from North to South results in the presentday morphotectonic segmentation of the convergent system. Using both 3-D numerical modelling and seismotectonics, we attempt to determine the state of stress inferred in a convergent system (1) from a convergence accommodated along a curved margin and (2) from the subduction of an oceanic aseismic ridge. For that purpose, a finite element thermo-mechanical code was developped in 3-D by R. Hassani and then validated within the framework of this study. The results highlight a significant effect of the along-strike variations in a convergent system on the style of lithospheric deformation. (1) A convexity or concavity of the margin towards the ocean enhances respectively a compressive or extensive regime within the upper plate, whatever are the density contrast between the lithosphere and the asthenosphere or the value of the friction coefficient. (2) The results from both the numerical simulations and the seismotectonics study highlight a significant role of an oceanic ridge subduction on the state of stress within the overriding plate. A compressive regime as well as the uplift of the margin are induced in front of the subducted ridge. The numerical simulations indicate that the stress distribution within the upper plate is controlled by the obliquity of the subducted ridge. A tectono-kinematics segmentation of the arc and back-arc domains in the Tonga-Kermadec subduction zone, is revealed through the stress tensor resolution deduced from the CMTS. Since this segmentation is likely correlated to the numerical results, we confirm the influence of the Louisville Seamount Chain on the present-day structure of the Lau back-arc basin. (3) The study of the shallow seismicity distribution and of the CMTS indicate also the influence of the Louisville ridge on the deep slab behaviour. A subduction jump correlated with the initiation of the Louisville Ridge subduction is identified to the North of the Peggy Ridge. A detachment of the deep slab, which is underlined by a major seismic gap below the Lau Basin, accommodated this subduction jump. From a precise study of the shallow seismicity distribution, new tectonic features are identified in the Northern part of the Lau Basin : the Futuna-Niua Fo’ou alignement interpreted as a fossil plate boundary and the intra-arc Niuatoputapu structure. They are both involved in the global reorganisation of the subduction zone
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Schönhofen-Romer, Milena Viktoria [Verfasser], Karsten M. [Akademischer Betreuer] Haase, and Christoph [Gutachter] Beier. "Melting and Source Variability in the Tonga- Kermadec-Lau Arc-Backarc System / Milena Viktoria Schönhofen-Romer ; Gutachter: Christoph Beier ; Betreuer: Karsten M. Haase." Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2021. http://d-nb.info/1241827362/34.

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Jolly, Claire. "Etudes chimiques et biologiques de plantes tropicales : kermadecia elliptica (proteaceae) et combretum sundaicum (combretaceae) : isolement, analyses structurales et essais biologiques." Paris 11, 2007. http://www.theses.fr/2007PA114824.

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Dans le cadre de la recherche de nouvelles molécules bioactives, deux espèces ont été travaillées au cours de cette étude : une Proteaceae cyotoxique (Kermadecia elliptica) et une Combretaceae (Combretum sundaicum) capable de se fixer sur Bcl‐XL, une protéine antiapoptotique. L’étude phytochimique de Kermadecia elliptica a conduit à l’isolement et à la détermination structurale de 9 composés originaux, les kermadécines, dont 8 appartiennent à la famille des turrianes. L’évaluation biologique de ces composés a mis en évidence deux composés cytotoxiques et un inhibiteur de l’acétylcholinestérase. Le fractionnement bioguidé de Combretum sundaicum a permis l’isolément et l’identification structurale de 10 composés de types triterpènes ou saponosides, dérivés de l’acide imberbique, dont 9 sont décrits pour la première fois. Trois de ces composés ont montré une capacité à se fixer à BclXL
In the course of research studies of new bioactive molecules, two species have been studied : a cytotoxic Proteaceae (Kermadecia elliptica) and a Combretaceae (Combretum sundaicum) with binding capacities toward Bcl‐XL, an anti‐apoptotic protein. The phytochemical study of Kermadecia elliptica lead to the isolation and the structural determination of 9 original compounds, the kermadecines, 8 of them belonging to the turriane family. The biological evaluation of these compounds revealed two cytotoxic molecules and an acetylcholinesterase inhibitor. The bioguided fractionation of Combretum sundaicum lead to the isolation and the structural determination of 10 compounds, belonging to the triterpene or saponin family, derivated from the imberbic acid. Nine of these compounds are described for the first time and three of them showed ability to bind BclXL
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Diehl, Alexander [Verfasser], Wolfgang [Akademischer Betreuer] Bach, Wolfgang [Gutachter] Bach, and Colin [Gutachter] Devey. "Causes for variable hydrothermal vent fluid compositions in intraoceanic arcs : insights from fluid compositions and mineral precipitates of the South Kermadec Arc / Alexander Diehl ; Gutachter: Wolfgang Bach, Colin Devey ; Betreuer: Wolfgang Bach." Bremen : Staats- und Universitätsbibliothek Bremen, 2019. http://d-nb.info/1179350030/34.

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Saunders, Katharine Emma. "Micro-analytical studies of the petrogenesis of silicic arc magmas in the Taupo Volcanic Zone and southern Kermadec Arc, New Zealand : a thesis submitted to the Victoria University of Wellington in fulfilment of the requirements for the degree of Doctor of Philosophy in Geology /." ResearchArchive@Victoria e-Thesis, 2009. http://hdl.handle.net/10063/943.

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Books on the topic "Kermadecs"

1

Group, Pew Environment, and Tauranga Art Gallery Toi Tauranga, eds. Kermadec: Nine artists explore the South Pacific. [Wellington, N.Z.]: Pew Environment Group, 2011.

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Armande, Ponge, ed. Francis Ponge et Eugène de Kermadec: Histoire d'un compagnonnage. Villeneuve d'Asq: Presses universitaires du Septentrion, 2011.

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Raoul & the Kermadecs. Steele Roberts Aotearoa, 2013.

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1927-, Sykes W. R., and Sykes W. R. 1927-, eds. Kermadec Islands flora: A compilation of modern material about the flora of the Kermadec Islands. Lincoln, Canterbury, N.Z: Manaaki Whenua Press, 2000.

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Mitton. Les Survivants de l'Atlantique, tome 1 : Le Secret de Kermadec. Soleil Productions, 1999.

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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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Handbook of the New Zealand Flora: A Systematic Description of the Native Plants of New Zealand and the Chatham, Kermadec's, Lord Auckland's, Campbell's, and Macquarrie's Islands. University of Cambridge ESOL Examinations, 2011.

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Dalton, Hooker Joseph. Handbook of the New Zealand Flora: A Systematic Description of the Native Plants of New Zealand and the Chatham, Kermadec's, Lord Auckland's, Campbell's, and Macquarrie's Islands. Cambridge University Press, 2011.

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Dalton, Hooker Joseph. Handbook of the New Zealand Flora : Volume 1: A Systematic Description of the Native Plants of New Zealand and the Chatham, Kermadec's, Lord Auckland's, Campbell's, and Macquarrie's Islands. Cambridge University Press, 2011.

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Dalton, Hooker Joseph. Handbook of the New Zealand Flora : Volume 2: A Systematic Description of the Native Plants of New Zealand and the Chatham, Kermadec's, Lord Auckland's, Campbell's, and Macquarrie's Islands. University of Cambridge ESOL Examinations, 2015.

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Book chapters on the topic "Kermadecs"

1

Dupont, J. "The Tonga and Kermadec Ridges." In The Ocean Basins and Margins, 375–409. Boston, MA: Springer US, 1988. http://dx.doi.org/10.1007/978-1-4615-8041-6_9.

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Karig, Daniel E. "Ridges and Basins of the Tonga-Kermadec Island Arc System." In Collected Reprint Series, 239–54. Washington, DC: American Geophysical Union, 2014. http://dx.doi.org/10.1002/9781118782149.ch12.

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Houston, Heidi, Helen Anderson, Susan L. Beck, Jiajun Zhang, and Susan Schwartz. "The 1986 Kermadec Earthquake and Its Relation to Plate Segmentation." In Shallow Subduction Zones: Seismicity, Mechanics and Seismic Potential Part 1, 331–64. Basel: Birkhäuser Basel, 1993. http://dx.doi.org/10.1007/978-3-0348-5846-5_8.

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Boschen-Rose, Rachel E., Malcolm R. Clark, Ashley A. Rowden, and Jonathan P. A. Gardner. "Integrated Environmental Management of the Ecological Impacts from Seafloor Massive Sulphide Mining: Perspectives from the Kermadec Volcanic Arc, New Zealand." In Perspectives on Deep-Sea Mining, 373–422. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-87982-2_14.

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Gordon, Dennis P. "Life on the Edge: Parachnoidea (Ctenostomata) and Barentsia (Kamptozoa) on Bathymodiolin Mussels from an Active Submarine Volcano in the Kermadec Volcanic Arc." In Lecture Notes in Earth System Sciences, 75–89. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-16411-8_6.

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BÖHME, ROLF. "Kermadec Islands (New Zealand)." In Eastern Europe, Asia, Oceania and Antarctica, 338–39. Elsevier, 1993. http://dx.doi.org/10.1016/b978-1-85861-034-4.50071-3.

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Pampel, Madeline. "I. Survol de l’œuvre d’Eugène de Kermadec." In Francis Ponge et Eugène de Kermadec, 215–26. Presses universitaires du Septentrion, 2012. http://dx.doi.org/10.4000/books.septentrion.80561.

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Pampel, Madeline. "Épigraphe." In Francis Ponge et Eugène de Kermadec, 7. Presses universitaires du Septentrion, 2012. http://dx.doi.org/10.4000/books.septentrion.80441.

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Pampel, Madeline. "Remerciements." In Francis Ponge et Eugène de Kermadec, 9–10. Presses universitaires du Septentrion, 2012. http://dx.doi.org/10.4000/books.septentrion.80446.

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Farasse, Gérard. "Préface." In Francis Ponge et Eugène de Kermadec, 11–14. Presses universitaires du Septentrion, 2012. http://dx.doi.org/10.4000/books.septentrion.80451.

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Conference papers on the topic "Kermadecs"

1

Blum, Joel, Jeff Drazen, Marcus Johnson, Brian N. Popp, Laura Motta, and Alan Jamieson. "Contrasting Hg Isotope Ratios from the Kermadec and Mariana Trenches." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.207.

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Walter, Maren, Andreas Türke, Christian Mertens, and Jürgen Sültenfuss. "Evolution of Helium Signatures from Kermadec Arc Under Water Volcanoes." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.2705.

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Oguri, Kazumasa, Ronnie Glud, Robert Turnewitsch, Ashley Rowden, Matthias Zabel, Heather Stewart, Frank Wenzhöfer, and Pere Masque. "Sedimentation processes of hadal environments: a comparison between Kermadec and Atacama Trenches." In Goldschmidt2021. France: European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.4953.

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Traving, Sachia, Daniel Castillo, Ronnie Glud, and Mathias Middelboe. "Prophage-encoded chitinase activity supports growth of a Pseudomonas sp isolated from Kermadec Trench." In Goldschmidt2021. France: European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.7660.

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Myeong, Bora, Karsten Haase, and Marcel Regelous. "Effects of variable subduction components on island arc and rear-arc magma compositions: an example from the Kermadec arc." In Goldschmidt2021. France: European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.6340.

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Reports on the topic "Kermadecs"

1

Premises - Port Moresby, Staff Quarters, Kermadec Street, c.1969. Reserve Bank of Australia, March 2021. http://dx.doi.org/10.47688/rba_archives_pn-005669.

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Reserve Bank quarters for single staff, Kermadec Street, Port Moresby. Reserve Bank of Australia, March 2021. http://dx.doi.org/10.47688/rba_archives_pn-004900.

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Premises - Branches - Port Moresby - Exterior - Kermadec Street - Staff Residence - c.1966. Reserve Bank of Australia, March 2021. http://dx.doi.org/10.47688/rba_archives_pn-004169.

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Port Moresby Branch - Staff Quarters, Kermadec Street - c.1966 (copy c). Reserve Bank of Australia, March 2021. http://dx.doi.org/10.47688/rba_archives_pn-004171.

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Port Moresby Branch - Staff Quarters, Kermadec Street - c.1966 (copy b). Reserve Bank of Australia, March 2021. http://dx.doi.org/10.47688/rba_archives_pn-004170.

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