Production and Survivorship of Epizoites of the Hydroid Nemertesia Antennina (L.)
- 11 May 1978
- journal article
- research article
- Published by Cambridge University Press (CUP) in Journal of the Marine Biological Association of the United Kingdom
- Vol. 58 (2), 333-345
- https://doi.org/10.1017/s0025315400028010
Abstract
The survivorship of marine invertebrates that have a life span of less than 2 years is usually assessed by observing the decrease in abundance of animals from samples taken frequently throughout the life of an identifiable cohort or generation (e.g. Crisp, 1971). This method is only suitable for species with approximately simultaneous recruitment so that the animals can be aged with reasonable accuracy and the mortality before the end of the recruitment period can safely be ignored. Such age-specific survivorship data can be used to calculate secondary production by revealing the number of animals that reach successive weights (= Allen curves) (Crisp, 1971).This publication has 6 references indexed in Scilit:
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