20th Century forest-grassland ecotone shift and effects of livestock herbivory
I studied 20th Century lower forest-grassland ecotone shift in the Centennial Valley in southwestern Montana, USA and the Darhad Valley in northern Mongolia and investigated the effects of livestock herbivory on ecotone dynamics. A total of 525 aspen (Populus tremuloides) and 1,703 Douglas-fir (Pseu...
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| Language: | en |
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2005
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| Online Access: | http://etd.lib.montana.edu/etd/2005/sankey/SankeyT1205.pdf |