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Spring 2007
Two Decades of Change in the Distribution of Exotic Plants at the Desert
Laboratory, Tucson, Arizona
November/December 2006
Debris flows and Record Floods from Extreme Convective Thunderstorms
over the Santa Catalina Mountains, Arizona
October 2006
Progress on Establishing a USA-National Phenology Network (NPN)
Summer 2006
A History of Dramatic Lake-Level Changes on the Bolivian Altiplano
April/May 2006
A New Hominid Cranium from Gona, Afar, Ethiopia
January/February/March 2006
Overkill in Near Time: The Meaning of Prehistoric Extinctions
November/December 2005
Beyond radiocarbon's "black hole": 14C dating samples
older than 40,000 yrs
October 2005
A pollen history of vegetation and climate in the most arid sector of the Atacama,
the driest desert in the world
August/September 2005
El Niños and displays of spring-flowering annuals in the Mojave
and Sonoran Desert
June/July 2005
Use of Strontium Isotopic Ratios to Determine Sources of Architectural Timber
in Chaco Canyon, New Mexico
April/May 2005
Twentieth Century Demographic Changes in Cirio and Cardón in Baja
California, México.
March 2005
Influence of Climatic Variability on Local Population Dynamics of a Sonoran
Desert Platyopuntia
February 2005
Sonoran Desert Annuals on Tumamoc Hill
January 2005
Paleoenvironments of the Earliest Toolmakers
November/December 2004
Microbial Life in the Atacama Desert
October 2004
Precipitation Variability in Semi-Arid Regions of Western North America
September 2004
The Chemistry of Fossil Lake Bonneville
July/August 2004
Temporal and Spatial Patterns in Emergence and Early Survival of
Perennial Plants in the Sonoran Desert
June 2004
All Ecosystems Are Equally Productive Under Drought Conditions
May 2004
Glacial-Interglacial Vegetation Change in the USA-Mexico Borderlands
April 2004
Pacific and Atlantic Ocean Influences on Multidecadal
Drought Frequency in the U.S.
March 2004
Dynamics of Holocene Plant Migration: Role of Landscape Structure
and Climate Variability
February 2004
Soil Disturbance via Tree Mortality by Root Throw
January 2004
Radiocarbon Dating of Gastropod Shells