Learn how plants respond to higher atmospheric CO2 concentrations

How does rising atmospheric CO2 affect marine organisms?

Click to locate material archived on our website by topic


Upper Gunnison Basin, Colorado, USA
Reference
Emslie, S.D., Stiger, M. and Wambach, E. 2005. Packrat middens and late Holocene environmental change in southwestern Colorado. The Southwestern Naturalist 50: 209-215.

Description
Analyses of subfossil macrobotanical remains of 17 bushy-tailed packrat (Neotoma cinerea) middens in the Upper Gunnison Basin of Colorado revealed a period of warmer conditions between AD 500 and 1050.