In what way does controlled grazing help wetlands?

Controlled grazing helps wetlands primarily by preventing the spread of invasive species and promoting the growth of native plants. When managed correctly, grazing can maintain a balance between plant types in the wetland ecosystem. Invasive species often proliferate in areas where competition from native species is weak. Grazing can help keep these invasive plants in check by reducing their biomass and creating space for native plants to thrive.

Additionally, the presence of native plants is crucial for the health of wetland ecosystems, as they provide habitat for local wildlife, stabilize soil, and contribute to water quality through various ecological functions. By promoting native plant growth and preventing invasives from taking over, controlled grazing supports biodiversity and the overall health of wetland environments.

The other options do not represent the primary benefits of controlled grazing as effectively as this one does. For example, while controlled grazing can sometimes influence water levels, it doesn’t inherently increase them. Similarly, while it may contribute to animal diversity and could reduce the need for monitoring, these are indirect effects rather than the primary objectives or benefits of controlled grazing in wetland management.