ISBN: 9781849713672 - field sampling for environmental science and management (18 risultati)

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Condizione: New. pp. 192.

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Hardcover. Condizione: Brand New. 1st edition. 192 pages. 9.29x6.42x0.51 inches. In Stock.

Condizione: New. "Simultaneously published in the USA and Canada"--T.p. verso. Num Pages: 200 pages, 87 black & white illustrations, 39 black & white tables, 50 black & white line drawings. BIC Classification: RBGB; TQD; TVB. Category: (UP) Postgraduate, Research & Scholarly. Dimension: 234 x 156. Weight in Grams: 453. . 2012. 1st Edition. hardcover. . . . . Books ship from the US and Ireland. …

Condizione: New. "Simultaneously published in the USA and Canada"--T.p. verso. Num Pages: 200 pages, 87 black & white illustrations, 39 black & white tables, 50 black & white line drawings. BIC Classification: RBGB; TQD; TVB. Category: (UP) Postgraduate, Research & Scholarly. Dimension: 234 x 156. Weight in Grams: 453. . 2012. 1st Edition. hardcover. . . . . …

Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Richard Webster is a Lawes Trust Senior Fellow at Rothamsted Research, Harpenden, UK, and former Editor-in-Chief of the European Journal of Soil Science. He is author of one book and co-author of two others on applied statistics. .…

Condizione: New. pp. 192 This item is printed on demand.

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Buch. Condizione: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Scientists and consultants need to estimate and map properties of the terrestrial environment. These include plant nutrients and parasites in soil, gaseous emissions from soil, pollutant metals and xenobiotics in waste and contaminated land, salt in groundwater and species abundances above ground. The scale varies from small experimental plots to catchments, and the land may be enclosed in fields or be open grassland, forest or desert. Those who sample the variables to obtain the necessary data need guidance on the design and analysis of sampling methods for their conclusions and recommendations to be valid. This book provides that guidance, backed by sound rationale and statistical theory. It concentrates on design-based sampling for estimates of mean values of environmental properties, emphasizing replication and randomization. It starts with simple random sampling and then progresses to more efficient designs, such as spatially stratified random sampling, stratification by classes and cluster sampling. It includes a section on purposive sampling in classical soil survey, which is relevant to other environmental properties such as vegetation. It also describes the effects of bulking on errors and the use of ancillary information and regression to improve estimates. The authors draw the important distinction between design-based sampling for estimating means and model-based methods (geostatistics) for local spatial prediction and mapping, and focus on the latter. They describe designs suitable for computing variograms and prediction by kriging, as well as a staged approach, so that sampling is neither inadequate nor excessive, and designs adapt as knowledge is accumulated. Including numerous worked case studies of sampling in agriculture, ecology and environmental science, the book will be of immediate practical value.…