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Levi, C; Cotillon, P. |
A zoological survey of all macrofauna of benthic Invertebrates has been made along the slopes. New taxa of all taxonomic ranks are abundant. High faunal specific diversity and originality is obvious to all taxonomists. It is worth to mention that since the "Challenger" expedition over a century ago, the whole south-western Pacific region has been kept away from the great deep-sea research vessels routes. The study of both the BIOCAL collections and all the others from further cruises around New Caledonia is insured to provide new data to understanding the biogeography and evolution of the deep sea fauna. |
Tipo: Text |
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Ano: 1990 |
URL: http://archimer.ifremer.fr/doc/00268/37929/36010.pdf |
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Cotillon, P; Coustillas, F; Gaillard, C; Laurin, B; Liu, D-j; Pannetier, W; Rigolot, P; Pascal, A; Pascal, F. |
Salient geological results from the Biocal cruise are based on 3.5 khz echosondeur profiles. Slopes morphology is controlled by tectonics and erosion/sedimentation balance. From Thio to Lifou, an uniform basin bottom is depressed southwestward by tectonic subsidence and uneven northeastward by a tectonic ridge (the Levi Ridge). Sedimentation is fed by 5 main sources: Great-Land of New-Caledonia, yielding an important terrigenous flux, reefal barriers surrounding it and raised reefs of Loyalty islands, benthic communities dwelling on slopes and in the basins, plankton and volcanoes of New-Hebridean arc. The development of Quaternary reefal barriers around islands of the new-caledonian archipelago has reduced severely the input from emerged lands and... |
Tipo: Text |
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Ano: 1990 |
URL: http://archimer.ifremer.fr/doc/00268/37902/35983.pdf |
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