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Abundancy estimations of aDaphnia magna population in a small artificial pond

โœ Scribed by Lingeman, Robert


Publisher
Springer-Verlag
Year
1978
Weight
491 KB
Volume
12
Category
Article
ISSN
1573-5125

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Population estimates are usually produced by local government administrations in Britain, for each small area within their authority. Increasing interest has been shown by commerce and by central government. Five main methods are identified: apportionment, ratio change, additive change, cohort survi