Predator-prey equations with constant harvesting and planting

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We propose Lotka-Volterra type predator-prey equations which include small constant terms. Depending on its sign, the constant may model various things. To see the effect of the constants clearly we drop all other functional responses except the ones in the original Lotka-Volterra equations. We add a small negative constant for the harvesting or the Allee effect. A positive constant is added to model the planting or external influx. We find the predator-prey equations with constant terms produce most of dynamic and static patterns observed from other predator-prey models with various functional responses. (C) 2018 Elsevier Ltd. All rights reserved.
Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
Issue Date
2018-12
Language
English
Article Type
Article
Keywords

PATTERN-FORMATION; SPATIOTEMPORAL COMPLEXITY; STABILITY REGIONS; PATCHY INVASION; SYSTEM; MODEL; DYNAMICS; PATCHINESS; DIFFUSION; STOCKING

Citation

JOURNAL OF THEORETICAL BIOLOGY, v.458, pp.47 - 57

ISSN
0022-5193
DOI
10.1016/j.jtbi.2018.08.044
URI
http://hdl.handle.net/10203/246685
Appears in Collection
MA-Journal Papers(저널논문)
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