Displaying 1 - 6 of 6
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
Stowe
The South Carolina Department of Natural Resources (DNR) acquires land in the state to protect rare species and ecosystems, and significant cultural and archaeological sites. These lands -- called heritage preserves (HPs) -- also provide outstanding…
Type: Document
Year: 1999
Hardy, Keane, Harrington
From the text...'The term restoration relates to activities required to reduce hazards from wildland fires and improve federal forest and grassland health to a condition that can be maintained through periodic disturbance. Restoration and…
Type: Document
Year: 1999
Hornberg, Ostlund, Zackrisson, Bergman
In northern Fennoscandia a rare forest type, characterized by Cladina [Cladonia] spp. (lichens) and Picea abies, occurs on dry productive sites outside the range of permafrost but close to the Scandes mountains. The history of vegetation development…
Type: Document
Year: 1999