By T. R. E. Southwood D.SC., PH.D., F.R.S. (auth.)
ISBN-10: 0412158809
ISBN-13: 9780412158803
ISBN-10: 9401572917
ISBN-13: 9789401572910
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Extra resources for Ecological Methods: With Particular Reference to the Study of Insect Populations
Sample text
Plant) There are two aspects, firstly whether different regions of the unit need to be sampled separately and secondly the number of samples within each unit or subunit (if these are necessary) that should be taken for maximum efficiency. Although the habitat unit could, for example, be the fleece of a sheep, a bag of grain or a rock in a stream, for convenience the word plant will, in general, be used in its place in the discussion below. SUBDIVISION OF THE HABITAT If the distribution of the population throughout the habitat is biased towards certain subdivisions, but the samples are taken randomly, what LeRoux and Reimer (1959) aptly term systematic errors will arise.
FURTHER BIBLIOGRAPHY ALLEN, S. , GRIMSHAW. H. M, PARKINSON, 1. A. , Oxford. CANCELA DA FONSECA, 1. P, 1965-9. L'outil statistique en Biologie du sol. Revue Ecol. BioI. Sol. 2, 299-332, 475-88; 3, 283-91, 381-407; 5, 41-54; 6, 1-30, 533-55. DAVIES, R. , 1971. Computer Programming in Quantitative Biology. , Academic Press, London and New York. GOODALL, D. w, 1962. Bibliography of statistical plant sociology, Excerpta Bot. B. 4, 253-322. MOSBY, H. (ed,), 1963. ). A. NICHOLLS, c. F, 1963. Some entomological equipment.
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Ecological Methods: With Particular Reference to the Study of Insect Populations by T. R. E. Southwood D.SC., PH.D., F.R.S. (auth.)
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