Mixed Sierran Conifer forest has understory shrubs in healthy condition. Jeffrey Pine forest understory is dominated by grasses and annual forbs. Douglas Fir forests have dense understories of shrubs. Many shrubs and all annuals and many perennials are obligate seeders, not crown resprouters, and can be extirpated by frequent ground fires. In short, the relationship of fire to these different healthy forests is different, ...more »
Voting on Ideas
Vote for your favorite ideas by clicking on the up arrow.To undo an upvote, simply click the arrow again. This second click removes your vote.