Introduction of Exotic Species
The high desert was once a draw for cattlemen and Hidden Valley combined lush bunch grasses with a natural corral. But overgrazing and the accidental introduction of exotic grasses fill the empty spaces between the native shrubs. The dead stems of the exotics do not break down easily and become fuel for wildfires. Pinyons have difficulty making a comeback after a fire, since they are wind-pollenated and need dense stands to readily reproduce.< Previous - Next >
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