Models for Benthic Predation - Table 1
Symbol Definition Value
area Unit area (one “cell”) 25 cm2
A Total system area 4 x 104 units of area
t Time 1 day
a Age 1 day
s Prey recruitment rate 1 prey (unit area)–1 day–1
s0 Size of newly settled prey 1 mm
s Maximum prey size 200 mm
b Decrease in prey growth rate with size 0.0004 day–1
m0 Background per capita prey mortality rate 0.0001 day–1
K Maximum prey density 1 prey (unit area)–1
q Predator attack coefficient 1.0 unit area predator–1 day–1
c Resistance to predation with prey size 0.04 unit area mm–1
I Predator immigration rate 0.01 predator (unit area)–1 day–1
e0 Predator emigration constant 5.0 mm predator–1 day–2
Table 1. Model parameters and their default values. See Donalson et al. (2003, 604KB) for details.

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National Science Foundation This work was supported in part by grants OCE-0089842, OCE-0072836, and HRD-9805529 from the U.S. National Science Foundation. All opinions expressed are those of the authors and not necessarily those of the NSF.

Copyright © 2002, Robert A Desharnais
Department of Biological Sciences
California State University, Los Angeles, CA, 90032-8201
Email: rdeshar@calstatela.edu