What would happen if the herbivores population increased?

If the herbivore population increased significantly, it could lead to overgrazing, resulting in the depletion of vegetation and disruption of local ecosystems. This overconsumption of plant life may also negatively impact other species that rely on those plants for food and habitat. Additionally, the imbalance could lead to increased competition among herbivores for limited resources, potentially causing population declines in the long term. Ultimately, the entire food web, including predators and decomposers, could be affected by these changes.