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Abstract
Identification of >40 taxa of plant macrofossils in 14 rodent (Abrocoma) middens collected from 2800 to 3590 m elevation at the latitude of Arica, Chile (18°S) provide snapshots of vegetation in the northernmost Atacama Desert over the past 3000 years. Midden floras show considerable stability throughout the late Holocene, which may be due in part to the broad elevational ranges of many perennial species and midden insensitivity to changes in plant community structure. The greatest variability is found in annuals in the Prepuna, a climatically sensitive zone. This variability, however might also arise from the brevity of midden depositional episodes. As the first midden record from the Arica-Parinacota Region (Chile's northernmost administrative region), this study demonstrates the potential for future midden research in this area.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Late-Holocene fossil rodent middens from the Arica region of northernmost Chile |
| Series title | Journal of Arid Environments |
| Volume | 75 |
| Issue | 5 |
| Year Published | 2008 |
| Language | English |
| Publisher | Elsevier |
| Publisher location | Amsterdam, Netherlands |
| Contributing office(s) | Desert Laboratory |
| Description | 10 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Arid Environments |
| First page | 677 |
| Last page | 686 |
| Country | Chile |
| State | Arica-Parinacota Region |
| Other Geospatial | Atacama Desert |
| Google Analytic Metrics | Metrics page |