ACER Word Wednesday Series Discusses “Trophic Cascade”


Food webs in kelp forests with and without sea otters showing the impacts of a trophic cascade. Source: Brumbaugh AMNH-CBC,

The recent article explains that changes to one level in a food chain can sometimes result in changes in other levels, called a trophic cascade. Trophic cascades can be top-down (changes in the top trophic level impacted levels down the food chain) or bottom-up (changes in the bottom trophic level impacted levels up the food chain).

Read the full article here.