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RECORD NUMBER: 133 OF 241

OLS Field Name OLS Field Data
Main Title Mortality Rates from Size Distribution: The Application of a Conservation Law.
Author Van Sickle, John ;
CORP Author Corvallis Environmental Research Lab., OR. Ecological Effects Research Div.;National Research Council, Washington, DC.
Year Published 1976
Report Number EPA/600/J-77/131;
Stock Number PB-287 000
Additional Subjects Population(Statistics) ; Size determination ; Mortality ; Marine biology ; Mathematical models ; Distribution(Property) ; Steady state ; Growth ; Population growth ; Density(Mass/volume) ; Age ; Estimating ; Fisheries ; Comparison ; Clams ; Reprints ; Ecosystems ; Tivela stultorum
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Library Call Number Additional Info Location Last
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Status
NTIS  PB-287 000 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/23/1988
Collation 9p
Abstract A population model explicitly describing the dynamics of an arbitrary population size distribution is presented. One consequence of the model is an equation for the exact shape of the size distribution of a stationary or steady-state population. The shape is expressed as a function of size-specific mortality and growth rates. From the equation, various mortality estimation formulas can be derived, two of which are discussed in detail. One of the methods permits estimation of size-specific mortality rates without the assumption of a theoretical growth model.
Supplementary Notes Pub. in Oecologia, v27 p311-318 1977.
NTIS Title Notes Journal article.
Title Annotations Reprint: Mortality Rates from Size Distribution: The Application of a Conservation Law.
PUB Date Free Form 1 Oct 76
Category Codes 8A; 6F; 6C; 47D; 57H; 98F
NTIS Prices PC A02/MF A01
Primary Description 600/03
Document Type NT
Cataloging Source NTIS/MT
Control Number 323750124
Origin NTIS
Type CAT