Elevational Shifts of Coleogyne ramossissima in the Mojave Desert during the Little Ice Age
- 1 September 1994
- journal article
- Published by Cambridge University Press (CUP) in Quaternary Research
- Vol. 42 (2) , 216-221
- https://doi.org/10.1006/qres.1994.1071
Abstract
Plant macrofossils from woodrat (Neotoma) middens collected in the Mojave Desert of southern Nevada were used to reconstruct the timing and magnitude of vegetation change during the past 1000 yr. Although vegetation at the site now is dominated by the shrubColeogyne ramossissima, this species does not occur in fossil middens prior to 600 ± 50 yr B.P. The appearance and persistence ofC. ramosissimain middens was coincident with the Little Ice Age (ca. 1250 to 1850 A.D.) and was probably related to an increase in precipitation.Keywords
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