Displaying 1 - 10 of 15
Ortega-Becerril, Suarez, Vázquez-Tarrío, Garrote, Gomez-Heras
The 2021 Navalacruz wildfire occurred in a mountainous area in the Sistema Central (Spain). Despite having an average low severity index (dNBR), the loss of vegetation cover associated with the fire was responsible for a high rate of sedimentation…
Type: Document
Year: 2024
Schiegl, Stockhammer, Scott, Wadley
Sediments from Middle Stone Age hearths and burnt deposits in Sibudu Cave (KwaZulu-Natal, South Africa) were analysed for their mineral and phytolith contents. The mineral compositions were determined by FT-IR spectroscopy. The phytoliths were…
Type: Document
Year: 2004
Jutnry, Stahle
Forests in the Ozarks are ancient: the dominance and density of their various arboreal and herbaceous species have fluctuated over time in relation to climatic change and cultural influences. This study examines the nature of the pre-European forest…
Type: Document
Year: 2004
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
Hannon, Bradshaw, Emborg
1 The history of a forest stand over the last 6000 years has been reconstructed by studying pollen, macrofossils and charcoal from a small, wet hollow in Suserup Skov on the island of Sjaelland in eastern Denmark. 2 The earliest recorded forest was…
Type: Document
Year: 2000
Lindbladh, Bradshaw, Holmqvist
1. Two palaeoecological data sets were used to study forest development in the boreo-nemoral zone of southern Sweden during the last 3000 years. Maps of forest types present in 1250 B, AD 500 and today were compiled from regional pollen data and…
Type: Document
Year: 2000
Hornberg, Ostlund, Zackrisson, Bergman
1. In northern Fennoscandia a rare forest type, characterized by Cladina species and Picea abies, occurs on dry productive sites outside the range of permafrost but close to the Scandes mountains. 2. We determined the history of vegetation…
Type: Document
Year: 1999
Bowman
One of the most complex and contentious issues in Australian ecology concerns the environmental impact of Aboriginal landscape burning. This issue is not only important for the development of a comprehensive understanding of the dynamics and…
Type: Document
Year: 1998
Bowles, McBride
Fire-maintained oak savannas on silt-loam soils essentially disappeared from midwestern North America soon after European settlement because of fire suppression and agriculture. As a result, there are no precise models for restoring this vegetation…
Type: Document
Year: 1998
Denevan
The myth persists that in 1492 the Americas were a sparsely populated wilderness, 'a world of barely perceptible human disturbance.' There is substantial evidence, however, that the Native American landscape of the early sixteenth century was a…
Type: Document
Year: 1992