Displaying 101 - 110 of 135
Horn, Kennedy
From the text... 'Because maize is a plant that requires human cultivation for survival, we can infer from the distribution of maize pollen that sedentary agriculturalists were present at La Selva by 2700 B.P. This interpretation is consistent with…
Type: Document
Year: 2001
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
Hunter, Ludolph
Archaeological and historical evidence on status of northern bobwhites (Colinus virginianus) in southern Ontario prior to European settlement is not clear. The bird was documented on the Essex and Kent County prairies at the time of European…
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
Zackrisson, Ostlund, Korhonen, Bergman
A multi disciplinary study of use by Sami people of Pinus sylvestris L. (Scots pine) inner bark was performed in northern Sweden. We combined linguistic, historical and archaeological records with ecological data collected from field studies to…
Type: Document
Year: 2000
LeQuesne, Villagran, Villa
Here we present fossil pollen and charcoal concentrations results from two stratigraphic columns from Isla Mocha (38°19'-38°25'S; 73°57'-73°52'W), Laguna Hermosa (350 m.a.s.l.) and Laguna Huairavos ( 125 m.a.s.l.). These results suggest that the…
Type: Document
Year: 1999
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
Nsiah-Gyabaah
From the text... "This paper examines the pressures that lead to reduction of biodiversity especially the threat of wildfire to environmental resources, how indigenous people in Ghana protect vital environmental resources through culture, religion…
Type: Document
Year: 1997