Displaying 1 - 5 of 5
Virah-Sawmy, Willis, Gillson
Aim There remains some uncertainty concerning the causes of extinctions of Madagascar's megafauna. One hypothesis is that they were caused by over-hunting by humans. A second hypothesis is that their extinction was caused by both environmental…
Type: Document
Year: 2010
Josefsson, Gunnarson, Liedgren, Bergman, Ostlund
In studies on natural dynamics, biodiversity and reference conditions legacies of preindustrial human land use are often neglected. In this study, using archaeology and dendrochronology combined with field surveys on present forest characteristics,…
Type: Document
Year: 2010
Blarquez, Bremond, Carcaillet
Summary1. Relationships between vegetation, climate and disturbance are likely to be altered in the near future as a result of changes in both climate and human impacts on ecosystems. These changes could trigger species losses and distribution…
Type: Document
Year: 2010
Hessburg, Agee
Fire was arguably the most important forest and rangeland disturbance process in the Inland Northwest United States for millennia. Prior to the Lewis and Clark expedition, fire regimes ranged from high severity with return intervals of one to five…
Type: Document
Year: 2003
Lepofsky, Heyerdahl, Lertzman, Schaepe, Mierendorf
The recent encroachment of woody species threatening many western North American meadows has been attributed to diverse factors. We used a suite of methods in Chittenden Meadow, southwestern British Columbia, Canada, to identify the human,…
Type: Document
Year: 2003