That said, Becca Selden, an assistant professor of biological sciences at Wellesley College, says the consequences for Shark Bay may be more profound than most, due to its unique ecosystem. "The strong effect may have been enhanced by its comparatively simple food web in the seagrass ecosystem where predators limit grazing by a megaherbivore," Seldon explains. In other words, other coastal habitats may not fare quite so badly as Shark Bay when under similar pressure.

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