Ecosystem Reshaping: Impact of Predator Mass Mortality Events

In a significant study, researchers delve into the ecological repercussions of predator mass mortality events (MMEs), emblematic of global predator loss. Unlike past predator-removal studies, MMEs induce unique dynamics in freshwater lake food webs. These events trigger a proliferation of diverse consumer and producer communities, weakening top-down predator control and strengthening bottom-up effects through predator decomposition. Surprisingly, enhanced primary production post-MMEs dampens consumer community responses, generating biomass dynamics akin to undisturbed systems. This trophic decoupling reveals the cryptic yet impactful nature of MMEs, highlighting their potential to reshape ecosystems and emphasizing the need for understanding and forecasting ecological dynamics amidst intensifying global change.

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