The production of Cyprideis torosa Jones 1850 (Crustacea, Ostracoda)
Herman, P.M.J.; Heip, C.H.R.; Vranken, G. (1983). The production of Cyprideis torosa Jones 1850 (Crustacea, Ostracoda). Oecologia 58(3): 326-331. https://dx.doi.org/10.1007/BF00385231
In: Oecologia. Springer: Heidelberg; Berlin. ISSN 0029-8549; e-ISSN 1432-1939, more
Related to:
Herman, P.M.J.; Heip, C.H.R.; Vranken, G. (1988). The production of Cyprideis torosa Jones 1850 (Crustacea, Ostracoda), in: Heip, C.H.R. et al. (Ed.) Collected papers on meiofauna dynamics and energy flow. pp. 1-6, more
The ostracod Cyprideis torosa Jones,1985 is a dominant species in the meiofauna of brackish water habitats. Its production in the field over a five-year period has been calculated using two production models. The first model uses the age-distribution of shells preserved in the sediment to assess the stage-specific mortality rates and the stage durations. The second model is the size-frequency model, modified for use with development stages instead of size-classes. Productions calculated with both methods agree very well. Their values are 9.7 and 9.2 g dwt.m-2y-1 respectively. The yearly P/B-ratio is 2.7 or 2.6y-1, production efficiency P/A is 0.38 or 0.37. The production efficiency of Cyprideis torosa nearly equals the mean efficiency of non-insect invertebrate detritivores. The species' conservative strategy and long generation time enables it to maintain a relatively high biomass with a fixed amount of food. These characteristics make it a superior competitor.
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