Modelling tritrophic interactions mediated by induced defence volatiles

Ying Hu Liu, De Liu, Min An, Yin Lian Fu, Ren Seng Zeng, Shi Ming Luo, Hanwen Wu, James Pratley

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Many plant species defend themselves against herbivorous insects indirectly by producing and releasing induced volatiles to attract natural enemies of the herbivores. In this paper, we consider the recruitment of natural enemies attracted by plant-induced volatiles and introduce the An'Liu'Johnson'Lovett model into the Lotka'Volterra model in an attempt to add this missing vital link in tritrophic interaction. Increase in attraction strength of plant-induced volatiles to the natural enemy leads to high fluctuation amplitude of plant biomass and herbivore population. When the attack strength of natural enemies reaches a certain level, fluctuation amplitude of plant biomass and herbivore population will decrease and plant biomass will approach to its environmental carrying capacity. The simulation demonstrates that plant volatile compounds induced by insects have led to the introduction of a third tritrophic level, e.g., natural enemies, into the plant'herbivore system, resulting in the coexistence of plants, insects, and natural enemies during the evolution process.
Original languageEnglish
Pages (from-to)3241-3247
Number of pages7
JournalEcological Modelling
Volume220
Issue number23
DOIs
Publication statusPublished - 2009

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tritrophic interaction
natural enemy
modeling
herbivore
insect
biomass
Lotka-Volterra model
defence
carrying capacity
coexistence

Cite this

Liu, Ying Hu ; Liu, De ; An, Min ; Fu, Yin Lian ; Zeng, Ren Seng ; Luo, Shi Ming ; Wu, Hanwen ; Pratley, James. / Modelling tritrophic interactions mediated by induced defence volatiles. In: Ecological Modelling. 2009 ; Vol. 220, No. 23. pp. 3241-3247.
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abstract = "Many plant species defend themselves against herbivorous insects indirectly by producing and releasing induced volatiles to attract natural enemies of the herbivores. In this paper, we consider the recruitment of natural enemies attracted by plant-induced volatiles and introduce the An'Liu'Johnson'Lovett model into the Lotka'Volterra model in an attempt to add this missing vital link in tritrophic interaction. Increase in attraction strength of plant-induced volatiles to the natural enemy leads to high fluctuation amplitude of plant biomass and herbivore population. When the attack strength of natural enemies reaches a certain level, fluctuation amplitude of plant biomass and herbivore population will decrease and plant biomass will approach to its environmental carrying capacity. The simulation demonstrates that plant volatile compounds induced by insects have led to the introduction of a third tritrophic level, e.g., natural enemies, into the plant'herbivore system, resulting in the coexistence of plants, insects, and natural enemies during the evolution process.",
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Modelling tritrophic interactions mediated by induced defence volatiles. / Liu, Ying Hu; Liu, De; An, Min; Fu, Yin Lian; Zeng, Ren Seng; Luo, Shi Ming; Wu, Hanwen; Pratley, James.

In: Ecological Modelling, Vol. 220, No. 23, 2009, p. 3241-3247.

Research output: Contribution to journalArticle

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AU - Liu, Ying Hu

AU - Liu, De

AU - An, Min

AU - Fu, Yin Lian

AU - Zeng, Ren Seng

AU - Luo, Shi Ming

AU - Wu, Hanwen

AU - Pratley, James

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AB - Many plant species defend themselves against herbivorous insects indirectly by producing and releasing induced volatiles to attract natural enemies of the herbivores. In this paper, we consider the recruitment of natural enemies attracted by plant-induced volatiles and introduce the An'Liu'Johnson'Lovett model into the Lotka'Volterra model in an attempt to add this missing vital link in tritrophic interaction. Increase in attraction strength of plant-induced volatiles to the natural enemy leads to high fluctuation amplitude of plant biomass and herbivore population. When the attack strength of natural enemies reaches a certain level, fluctuation amplitude of plant biomass and herbivore population will decrease and plant biomass will approach to its environmental carrying capacity. The simulation demonstrates that plant volatile compounds induced by insects have led to the introduction of a third tritrophic level, e.g., natural enemies, into the plant'herbivore system, resulting in the coexistence of plants, insects, and natural enemies during the evolution process.

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