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High Forest or Wood Pasture: A model of Large Herbivores' impact on European Lowland Vegetation

<p>Natural forest dynamics is a foundational topic of forest science. A new Wood Pasture hypothesis considering large herbivore as driving force in forest ecosystem is now challenging the traditional High Forest hypothesis, in which vegetation is regarded as main driving force. In this study, a model-based approach is applied to investigate differences between these two hypotheses and the determine factors in the system. A theoretical landscape of 1 km²formed by 100*100 cells is set up with 100 vegetation patches and free moving herbivores on. Our null hypothesis that herbivores make no difference in vegetation dynamics especially at canopy level is rejected. It is found that synchronization of herbivore behaviors is the most influencing factor of how a landscape might be shaped. It is also found that landscape could be a mosaic of both high forest and wood pasture depends on large herbivore’s herd size.</p>

Identiferoai:union.ndltd.org:UPSALLA/oai:DiVA.org:liu-57429
Date January 2010
CreatorsYao, Xuefei
PublisherLinköping University, Linköping University, Linköping University
Source SetsDiVA Archive at Upsalla University
LanguageEnglish
Detected LanguageEnglish
TypeStudent thesis, text
RelationLITH-IFM-A-EX--10/2233--SE

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