Aquatic Sciences Meeting, Albuquerque 2001
| CS37 Zooplankton |
| Date: Wednesday, February 14, 2001, Time: 12:00:00 PM |
| Location: Aztec |
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| Burd, A, B, Department of Oceanography, Texas A&M University, College Station, USA, adrian@halodule.tamu.edu |
| Lumsden, S, E, Department of Oceanography, Texas A&M University, College Station, USA, beth@ocean.tamu.edu |
| Pinckney, J, L, Department of Oceanography, Texas A&M University, College Station, USA, jpinckney@ocean.tamu.edu |
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| EFFECTS OF ZOOPLANKTON COMMUNITY STRUCTURE ON TROPHODYNAMICS INDILUTION BIOASSAYS: MODELS |
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| Dilution experiments are frequently used to determine zooplankton grazing and phytoplankton growth rates. Increasing the amount of filtered seawater decreases the grazing pressure in a sequence of incubations. The results from these experiments are usually interpreted in terms of the dynamics of a predator-prey system with a single predator and a single prey. Recent observations have indicated that in coastal systems, the assumption of a single predator and single prey may break down. Models of dilution experiments using multiple predator-prey interactions have been constructed. These models are able to reproduce the different curves seen in the experimental results. Estimates for growth and grazing rates are calculated from the models and compared with literature values. |
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