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Production of Tachidius discipes (Copepoda: Harpacticoida)
Herman, P.M.J.; Heip, C.H.R.; Guillemijn, B. (1984). Production of Tachidius discipes (Copepoda: Harpacticoida), in: IZWO Coll. Rep. 14(1984). IZWO Collected Reprints, 14: pp. chapter 16
In: (1984). IZWO Coll. Rep. 14(1984). IZWO Collected Reprints, 14[s.n.][s.l.], more
In: IZWO Collected Reprints. Instituut voor Zeewetenschappelijk Onderzoek: Bredene. ISSN 0772-1250, more

Also published as
  • Herman, P.M.J.; Heip, C.H.R.; Guillemijn, B. (1984). Production of Tachidius discipes (Copepoda: Harpacticoida). Mar. Ecol. Prog. Ser. 17: 271-278, more
  • Herman, P.M.J.; Heip, C.H.R.; Guillemijn, B. (1984). Production of Tachidius discipes (Copepoda: Harpacticoida), in: Heip, C.H.R. et al. (Ed.) (1988). Collected papers on meiofauna dynamics and energy flow. : pp. 271-278, more

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Keywords
    Secondary production; Tachidius (Tachidius) discipes Giesbrecht, 1881 [WoRMS]; Marine; Brackish water

Authors  Top 
  • Herman, P.M.J., more
  • Heip, C.H.R., more
  • Guillemijn, B.

Abstract
    The secondary production of the harpacticoid copepod Tachidius discipes Giesbrecht 1881 was estimated during spring 1979. The population was sampled every 3 d. Three generation peaks were observed. These were clearly distinct in the first copepodite stages, but gradually showed more overlap in older stages. Production of copepodites and adults was estimated in 2 ways: (1) Peaks were separated and the forward shifting of peaks in consecutive stages was used to estimate stage durations; (2) the size frequency method was applied. Both estimates of the production of copepodites and adults are in good agreement: 1.10 g dwt m-2 and 1.02 g dwt m-2. Egg production amounts to 0.31 g dwt m-2; naupliar production is roughly estimated at 1.11 g dwt m-2. The production efficiency, P/(P+R), of copepodites and adults is 0.36; for the total population it is 0.43. This value corresponds well to the value estimated from culture experiments with this population.

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