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Cloud forest dynamics in the Mexican neotropics during the last 1300 years

Figueroa-Rangel, Willis, Olvera-Vargas
Key questions for understanding the resilience and variability of Mexican Neotropical cloud forest assemblages in current and future climate change include: How have human disturbances and climate change affected the dynamics of the cloud forest…
Type: Document
Year: 2010

Evidence for drought and forest declines during the recent megafaunal extinctions in Madagascar

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

As Earth's testimonies tell': wilderness conservation in a changing world

Gillson, Willis
Too often, wilderness conservation ignores a temporal perspective greater than the past 50 years, yet a long-term perspective (centuries to millennia) reveals the dynamic nature of many ecosystems. Analysis of fossil pollen, charcoal and stable…
Type: Document
Year: 2004

Using forest management techniques to alter forest fuels and reduce wildfire size: an exploratory analysis

Hirsch, Kafka, Todd
During the next few decades, a considerable portion of the productive boreal forest in Canada will be harvested and there is an excellent opportunity to use forest management activities (e.g., harvesting, regeneration, stand tending) to alter the…
Type: Document
Year: 2004