The effect of simulated predation upon the secondary production and P:B (production:biomass) ratio of the polychaete Capitella capitata (Type I) was estimated from laboratory studies. The first method (the maximum sustainable yield, MSY, method) summed net increases in biomass of each population ove
The effects of sex ratio and density on the expression of gender in the polychaeteCapitella capitata
โ Scribed by Peter S. Petraitis
- Publisher
- Springer Netherlands
- Year
- 1991
- Tongue
- English
- Weight
- 832 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0269-7653
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Populations of the polychaete Capitella capitata (Type I) were cultured in the laboratory under constant conditions and subjected to two intensities of density-independent exploitation (12 and 23% of the population removed per week) over an 81-to 85-week period (September 1981 to May 1983). Density-
The sex ratio produced by an individual may be a consequence of relative frequencies of genotypes amongst offspring, or may result directly from parental (maternal) control. We analyse the evolutionarily stable sex ratio for a hypothetical organism in which both forms of sex ratio expression can occ