979 resultados para Western pacific
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Elemental composition, functional groups, and molecular mass distribution were determined in humic acids from the Western Pacific abyssal and coastal bottom sediments. Humic acid structure was studied by oxidative degradation with alkaline nitrobenzene and potassium permanganate, p-coumaric, guaiacilic, and syringilic structural units typical for lignin of terrestrial plants were identified in humic acids by chromatographic analysis of oxidation products. Polysubstituted and polycondensed aromatic systems with minor proportion of aliphatic structures were basic structural units of humic acids in abyssal sediments.
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Maximum entropy spectral analyses and a fitting test to find the best suitable curve for the modified time series based on the non-linear least squares method for Td (diatom temperature) values were performed for the Quaternary portion of the DSDP Sites 579 and 580 in the western North Pacific. The sampling interval averages 13.7 kyr in the Brunhes Chron (0-780 ka) and 16.5 kyr in the later portion of the Matuyama Chron (780-1800 ka) at Site 580, but increases to 17.3 kyr and 23.2 kyr, respectively, at Site 579. Among dominant cycles during the Brunhes Chron, there are 411.5 kyr and 126.0 kyr at Site 579, and 467.0 kyr and 136.7 kyr at Site 580 correspond to 413 kyr and 95 to 124 kyr of the orbital eccentricity. Minor cycles of 41.2 kyr at Site 579 and 41.7 kyr at Site 580 are near to 41 kyr of the obliquity (tilt). During the Matuyama Chron at Site 580, cycles of 49.7 kyr and 43.6 kyr are dominant. The surface-water temperature estimated from diatoms at the western North Pacific DSDP Sites 579 and 580 shows correlation with the fundamental Earth's orbital parameters during Quaternary time.
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Mode of access: Internet.
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Mode of access: Internet.
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Vol. [1]-[2]. Applicants' opening brief. F.G. Dorety, F.M. Angellotti [and others], attorneys.--v. [3]-[5] Brief for Southern Pacific company, Union Pacific railroad company, Oregon short line railroad company, Oregon-Washington railroad & navigation company and Los Angeles & Salt Lake railroad company, interveners. B.C. Dey, G.V. Shoup [and others] attorneys.
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Includes index.
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Shipping list no.: 94-0296-P.
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Bibliography: p. 89-91.
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Mode of access: Internet.
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[V.1.] Proceedings on Master's sale -- [v.2.] Decree of forclosure and sale -- [v.3.] Ancillary decree of foreclosure and sale.
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Mode of access: Internet.
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Mode of access: Internet.
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Most scleractinian coral species are widely distributed across the tropical and subtropical Indo-Pacific. However, the genetic connectivity between populations of corals separated by large distances (thousands of kilometers) is not well known. We analyzed variability in the nucleotide sequence of the internal transcribed spacer-1 (ITS-1) of the nuclear ribosomal gene unit in the ubiquitous coral Stylophora pistillata, across the western Pacific Ocean. Eight populations from Japan, Malaysia, and the northern and southern Great Barrier Reef (GBR) were studied. Phylogenetic analyses and analysis of molecular variance (AMOVA) clearly revealed that there is panmixia among these coral populations. AMOVA showed that ITS-1 sequence variability was greater within populations (78.37%) than among populations (12.06%). These patterns strongly suggest high levels of connectivity across the species' latitudinal distribution range in the western Pacific, as is seen in many marine invertebrates.
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Over the past 6 years, a number of zoonotic and vectorborne viral diseases have emerged in Southeast Asia and the Western Pacific. Vectorborne disease agents discussed in this article include Japanese encephalitis, Barmah Forest, Ross River, and Chikungunya viruses. However, most emerging viruses have been zoonotic, with fruit bats, including flying fox species as the probable wildlife hosts, and these will be discussed as well. The first of these disease agents to emerge was Hendra virus, formerly called equine morbillivirus. This was followed by outbreaks caused by a rabies-related virus, Australian bat lyssavirus, and a virus associated with porcine stillbirths and malformations, Menangle virus. Nipah virus caused an outbreak of fatal pneumonia in pigs and encephalitis in humans in the Malay Peninsula. Most recently, Tioman virus has been isolated from flying foxes, but it has not yet been associated with animal or human disease. Of nonzoonotic viruses, the most important regionally have been enterovirus 71 and HIV.