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Changes in the strength of trophic cascades over time have been associated with dramatic shifts in community structure and function. However, the pattern, process, and potential underlying mechanism of temporal variation in trophic cascades remains relatively unexplored. A top–down trophic cascade has been documented for the effects of predacious weaver ants Oecophylla smaragdina on the success of...
Population structures largely affect higher levels of organization (community structure, ecosystem functioning), especially when involving ontogenetic changes in habitat or diet. Along life cycles, partners and interaction type may change: for instance Lepidopterans are herbivores as larvae and pollinators as adults. To understand variations in diet niche from larvae to adults, we model a community...
Most communities are structured not by a single process but by some combination of top–down, bottom–up and supply–side (i.e. juvenile recruitment) factors. However, establishing how multiple processes interact remains a fundamental challenge. For example, the recruitment, growth, and mortality of estuarine species can vary along the steep and numerous environmental and biological gradients typical...
Predicting the ecological and evolutionary trajectories of populations in multispecies communities is one of the fundamental challenges in ecology. Many of these predictions are made by scaling patterns observed from pairwise interactions. Here, we show that the coupling of ecological and evolutionary outcomes is likely to be weaker in increasingly complex communities due to greater chance of life‐history...
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