From bottom-up to top-down control of invertebrate herbivores in a retrogressive chronosequence

Anne Kempel, Eric Allan, Martin Gossner, Malte Jochum, James B. Grace & David A. Wardle
In the long-term absence of disturbance, ecosystems often enter a decline or retrogressive phase which leads to reductions in primary productivity, plant biomass, nutrient cycling and foliar quality. However, the consequences of ecosystem retrogression for higher trophic levels such as herbivores and predators, are less clear. Using a post-fire forested island-chronosequence across which retrogression occurs, we provide evidence that nutrient availability strongly controls invertebrate herbivore biomass when predators are few, but that there is a...
1 citation reported since publication in 2022.
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