Titlebook: How Landscapes Change; Human Disturbance an Gay A. Bradshaw,Pablo A. Marquet Book 2003 Springer-Verlag Berlin Heidelberg 2003 Americas.Amer

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P. A. Marquet,J. X. Velasco-Hernández,J. E. Keymerdded in the membrane and serves as an anchor for the rest of the LPS molecule. The outermost repetitive glycan region of the LPS is linked to the lipid A through a core oligosaccharide (OS), and is designated as the O-specific polysaccharide (O-polysaccharide, OPS) or O-antigen. The O-antigen is the

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F. M. Jaksicdded in the membrane and serves as an anchor for the rest of the LPS molecule. The outermost repetitive glycan region of the LPS is linked to the lipid A through a core oligosaccharide (OS), and is designated as the O-specific polysaccharide (O-polysaccharide, OPS) or O-antigen. The O-antigen is the

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Biodiversity and Human Impact During the Last 11,000 Years in North-Central Chileharmonious with regard to the effects of resource exploitation patterns and subsistence practices in arid and semi-arid ecosystems of north-central Chile. The strong dependency on local resources stimulated a close coupling between environmental change and human population. However, since the 16th c

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Forest Fragmentation and Biodiversity in Central Amazonia-altered habitats and isolated remnants. The Amazon rainforest is the largest tract of undisturbed tropical forest in the world, comprising more than 30 % of the world’s rainforest area. In the Amazon, forest clearing increased exponentially during the 1970s and 1980s (Fearnside 1987) and continues

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Climatic and Human Influences on Fire Regimes in Temperate Forest Ecosystems in North and South Amer stability, and carbon flow (Boerner 1982; Agee 1993). These effects of fire on ecosystems are extremely sensitive to all components of the disturbance regime (frequency, intensity, scale, predictability; Pickett and White 1985). To properly evaluate the impact of human activities on fire — both now

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