• View of Half Dome and Washington Column in Yosemite Valley

    Yosemite

    National Park California

Meadow Health

graphic of a pristine meadow landscape
Healthy Meadow: Factors of a pristine meadow include: meadow hydrology, soils and vegetation and interdependent; diverse mosaic of habitat with wet meadow and riparian vegetation; surface flow from snowmelt; high water table; inundation during floods with sediment deposition and attenuated flood flows; subsurface flow of snowmelt; and percolation with groundwater recharge.
Illustrations by Restoration Design Group for American Rivers
 
graphic of a degraded meadow landscape
Unhealthy Meadow: Factors of a degraded meadow include: reduced natural storage of water; lowering of groundwater table; flood flows confined to channel with no inundation during floods; disconnect of channel from meadow floodplain; reduced percolation; xeric (or dry) vegetation; incised stream channel with increased sediment transport; and compacted soils.

Did You Know?

Half Dome Permit

Hiking to Half Dome? Permits are now required seven days per week when the cables are up (typically late May through mid October, conditions permitting). More...