September 5, 2025Open Access

Predators facilitate herbivory in nutrient-limited marine ecosystems

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Field experiments demonstrated predator biomass enhances herbivory and primary productivity in coral reefs, implying nutrient cycling dynamics.

Increased predator biomass led to enhanced herbivory rates and productivity in nutrient-limited marine systems.
Field observations revealed that mesopredatory fish excreta are higher in phosphorus compared to nitrogen, impacting nutrient dynamics.
Predator-induced nutrient stoichiometry alterations were found to stimulate ecosystem processes beyond top-down effects.
The global decline of apex predators could significantly affect the balance of marine ecosystems and their resilience.

Paul et al. (2025) studied this question.

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Field experiments demonstrated predator biomass enhances herbivory and primary productivity in coral reefs, implying nutrient cycling dynamics.