Zone 1, however, is always recommended for protection of water quality, aquatic habitat, and bank stability. This area also provides shade to reduce water temperature and improve aquatic habitat. The slow release of nutrients from this area normally feeds the plants and animals that live in the stream. If trees are present, they may also provide large, woody debris for fish habitat. Zone 2, is designed for active management, harvesting timber, removal of hay, and wildlife values.
Grazing requires care.
Zone 3 is designed specifically for runoff control, removal of sediment, and dispersal of flow. Additional width may be desired to accommodate land shaping and mowing equipment. Ungrazed grasslands may meet Zone 3 requirements without modification. Vegetation Zone 1. Preferred are types of vegetation that will stabilize the riparian system.