Salinity tolerance, development rates and predation capabilities of Sulcanus conflictus nicholls (copepoda: Calanoida)

Probit analysis gave upper and lower 48 hour-LC 50 values for salinity of 33·8 and 1·7‰ at 10°C, and 27·2 and 1·5 at 18°C. Sulcanus was reared through a complete life cycle under constant temperatures of 10, 18 and 25 °C. Embryonic and post-embryonic development of Sulcanus is shown to be strongly t...

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Veröffentlicht in:	Estuarine, coastal and shelf science coastal and shelf science, 1989, Vol.28 (2), p.195-209
Hauptverfasser:	Ough, Keely, Bayly, Ian A.E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal and plant ecology Animal, plant and microbial ecology Animals Australia Autoecology Biological and medical sciences Copepoda development rates estuaries Fundamental and applied biological sciences. Psychology Marine predation Protozoa. Invertebrata salinity tolerance Sulcanus Sulcanus conflictus
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Zusammenfassung:	Probit analysis gave upper and lower 48 hour-LC 50 values for salinity of 33·8 and 1·7‰ at 10°C, and 27·2 and 1·5 at 18°C. Sulcanus was reared through a complete life cycle under constant temperatures of 10, 18 and 25 °C. Embryonic and post-embryonic development of Sulcanus is shown to be strongly temperature dependent. This is further supported by field observations. Significantly higher predation rates were observed on Gladioferens nauplii than on conspecific nauplii. After metamorphosis to the copepodite, susceptibility to predation by Sulcanus was decreased.
ISSN:	0272-7714 1096-0015
DOI:	10.1016/0272-7714(89)90066-8