Zooplankton

Aquatic Ecosystems, HIPM Entities

Overview

Small floating or weakly swimming animals that drift with water currents and, with phytoplankton, make up the planktonic food supply on which almost all oceanic organisms ultimately depend. Included are many animals, from single-celled radiolarians to the eggs or larvae of herrings, crabs, and lobsters. ...

-- Zooplankton (MWD)

Data Structures

:description
  "composite entity for the zooplankton species"

:parameters {
  ;; assimilation efficiency
  ;; (of phytoplankton by zooplankton)
  :assim_eff            [   0.05,      0.4  ]

  ;; phytoplankton attacked by zooplankton
  :attack_rate          [   0.3,      10    ]

  ;; phytoplankton killed by zooplankton
  :death_rate           [   0.001,     0.3  ]

  ;; grazing capacity of zooplankton
  :gcap                 [ 199,       301    ]

  ;; limit on grazing rate of zooplankton
  :glim                 [  19,        21    ]

  ;; maximum grazing rate for zooplankton
  :gmax                 [   0.3,       0.5  ]

  ;; respiration rate for zooplankton
  :respiration_rate     [   0.01,      0.04 ]

  ;; sinking rate for zooplankton
  :sinking_rate         [   0.0001,    0.25 ]
}

:variables {
  :conc                "sum"
  :grazing_rate        "prod"
}

See Data Structures for details.


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Topic revision: r10 - 21 Jul 2013, RichMorin
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