lecture note 10 for BGYB50

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Department
Biological Sciences
Course
BIOC50H3
Professor
Herbert Kronzucker
Semester
Winter

Description
LECTURE 10: - The boreal forest is the largest terrestrial forest biome (11% of Earths surface) and, as such, very important to the global carbon fixation budget; it is the forest landscape of the Canadian North, of Northern Russia, and Scandinavia; only ~8% of Canadas boreal forest is protected from logging - Tundra is characterized by permafrost layers beneath thin swampy soils (Inceptisols), dominated by grasses, sedges, rushes, bryophytes, lichens, dwarf shrubs; stores a large amount of carbon in its soil where decomposition rates are very slow; tundra covers nearly 20% of Earths surface, and is affected particularly strongly by global warming (thinning permafrost) - Vertical stratification of mountains can produce a vertical recapitulation of longitudinally distributed biomes (e.g. in the mountains around Vancouver: temperate rainforest o
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