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High Forest or Wood Pasture: A model of Large Herbivores' impact on European Lowland Vegetation
Linköping University, Department of Physics, Chemistry and Biology.
2010 (English)Independent thesis Advanced level (degree of Master (Two Years)), 40 credits / 60 HE creditsStudent thesis
Abstract [en]

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.

Place, publisher, year, edition, pages
2010. , 21 p.
Keyword [en]
Vera hypothesis, wood pasture, high forest, gap model, herbivore impact, long-term landscape model
National Category
Biological Sciences
URN: urn:nbn:se:liu:diva-57429ISRN: LITH-IFM-A-EX--10/2233--SEOAI: diva2:325558
2009-05-29, Schrödinger(E324), Physics House, Campus Valla,Linköping University, Linköping,Sweden, 15:10 (English)
Physics, Chemistry, Mathematics
Available from: 2010-06-28 Created: 2010-06-18 Last updated: 2011-04-26Bibliographically approved

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Yao, Xuefei
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Department of Physics, Chemistry and Biology
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