stability of a predator-prey model applied to the destruction of trees by elephants

A simplified version of the well-known Caughley model for an elephant-tree ecology is with special rplrpllr >m~p to the existence of stable limit It is shown that such cycles will occur in a very narrow range of parameters, but that they are Necessary and sufficient COl'lalflOl'lS raine...

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Veröffentlicht in:South African journal of science 1987, Vol.83 (3), p.156-158
Hauptverfasser: Swart, J.H, Duffy, K.J
Format: Artikel
Sprache:eng
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Zusammenfassung:A simplified version of the well-known Caughley model for an elephant-tree ecology is with special rplrpllr >m~p to the existence of stable limit It is shown that such cycles will occur in a very narrow range of parameters, but that they are Necessary and sufficient COl'lalflOl'lS rained. 'n Vereenvoudigde weergawe van die bekende Caughleymodel van 'n olifont-boomekologie word beskou, met besondere verwysing no die bestaon van stabiele Iimietsiklusse. Daar word aangeloon dot sulke siklusse slegs binne 'n baie beperkte bereik van parameters sal voorkom, maar dot hulle teoreties wei bestaan. Noodsaaklike en voldoende voorwaardes vir sodanige bestaan word aangedui
ISSN:0038-2353
1996-7489