Abstract
The mechanisms for retention of invertebrate larvae are governed by the interaction of several physical processes within Delaware Bay. Work during the last two years has combined numerical models of estuarine circulation with biological sampling and with field studies of small scale fronts and tidal circulation. The combination of tidal currents, wind-induced currents and the interactions of frontal systems are important factors governing the recruitment of oyster larvae into the benthic community. Two-dimensional and three-dimensionals models are used to calculate particle trajectories for one tidal cycle and for twelve-day periods. The results indicate that under certain conditions, primarily controlled by the wind, the estuarine circulation may favor the retention of oyster larvae within the oyster beds during most of their two-week larval phase. However, the particle trajectories are critically dependent on the vertical distribution of larvae within the water column.
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Jacobsen, T.R., Milutinovic, J.D., Miller, J.R. (1990). Recruitment in Estuarine Benthic Communities: The Role of Physical Processes. In: Cheng, R.T. (eds) Residual Currents and Long-term Transport. Coastal and Estuarine Studies, vol 38. Springer, New York, NY. https://doi.org/10.1007/978-1-4613-9061-9_35
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DOI: https://doi.org/10.1007/978-1-4613-9061-9_35
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