847 resultados para Geographic information systems -- Data processing
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Includes index.
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Includes indexes.
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"13 May 1985"--[Vol. 2].
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Mode of access: Internet.
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"Selected papers given in ... and ... at the Annual Meetings of the American Statistical Association and other related conferences"--(varies).
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Shipping list no.: 2009-0305-P.
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Bibliography: p. 52.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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"OTA-CIT-147"--P. 4 of cover.
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Mode of access: Internet.
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Cover title.
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An epidemiologic survey among four administrative villages around Poyang Lake, in Jiangxi Province, China (two experimental and two controls) is being conducted to determine if bovine infections are responsible for the persistence of human schistosomiasis transmission on Yangtze River marshlands. A previously published paper presented the experimental design and baseline data for humans and bovines. This paper presents basic data for the four villages using remote sensing, and baseline data for snails that includes geographic information systems and remote sensing technology to classify the areas of bovine grazing ranges and habitats suitable for snails. A new method for sampling Oncomelania snails in China is used to determine the distribution, density, and infection rates of snails throughout the grazing ranges from season to season over a four-year period. Hypothetically, treating bovines should reduce infection rates in snails to below the critical number necessary to maintain infections in man and bovines.
Information systems audit and control issues for enterprise management systems: Qualitative evidence