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Direct and apparent compensation in plant-herbivore interactions

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Academic year: 2021

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Figure 1: Plant biomass growth rate r B (H ) characteristic of the herbivory optimisation hypothesis: for low to moderate levels of herbivory (H < H m ), plant productivity is increased as compared to the herbivory-free case (H = 0) and eventually reach
Figure 2: Equilibria and their stability. Different configurations for both sides of equation (3) : r B (H ) (solid) and δ(B ∗ ) + φ(B ∗ )H (dashed)
Figure 3: Different configurations for the equilibria. When both B ∗ 1 and B 2 ∗ exist, the long and short dashed lines represent δ(B ∗ 1 ) + φ(B 1 ∗ )H ∗ and δ(B 2 ∗ ) + φ(B 2 ∗ )H ∗ , respectively and the solid curve is r B (H )
Figure 4: Bifurcation diagrams summarizing the different behaviours of model (8) in the Direct compensation case (see Table 2) as a function of γ and µ (the γ axis is in log-scale, while the µ scale is linear)
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