Answers are grounded in this paper and cite their sources.
Richard F. Miller, Peter E. Wigand; Holocene Changes in Semiarid Pinyon-Juniper Woodlands: Response to climate, fire, and human activities in the US Great Basin
No takes yet. Share an insight, caveat, or question.
Miller et al. (1994) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: