Food Web Dynamics

• Bottom-up and top-down control in food web dynamics: What is the relative importance of bottom-up vs. top-down forces, and how do these two forces interact to shape food web structures?

• Trophic downgrading and upgrading: How do trophic manipulations at higher levels alter community processes and ecosystem functions such as primary productivity, nutrient cycling, and carbon storage?

• Interactions between food webs in different habitats: How do external resources such as spatial subsidies and allochthonous inputs influence trophic dynamics in the focal habitat?

• Plant-herbivore-predator-detritivore multi-trophic interactions: How do above-ground grazing food webs and below-ground detritus food webs interact and feed back to each other?

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