globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.foreco.2014.05.030
Scopus记录号: 2-s2.0-84902510034
论文题名:
Reduction in browsing intensity may not compensate climate change effects on tree species composition in the Bavarian Forest National Park
作者: Cailleret M.; Heurich M.; Bugmann H.
刊名: Forest Ecology and Management
ISSN:  0378-1127
出版年: 2014
卷: 328
起始页码: 179
结束页码: 192
语种: 英语
英文关键词: Browsing ; Climate change ; Model ; Productivity ; Tree diversity
Scopus关键词: Climate change ; Computer simulation ; Drought ; Models ; Population statistics ; Productivity ; Bavarian Forest National Park ; Browsing ; Climatic conditions ; Inter-specific competitions ; Long term simulation ; Long-term development ; Tree diversity ; Tree species composition ; Reforestation ; basal area ; biodiversity ; browsing ; climate change ; community composition ; coniferous forest ; deciduous forest ; dieback ; ecological modeling ; forest management ; national park ; removal experiment ; stand dynamics ; ungulate ; Bavaria ; Bavarian Forest National Park ; Germany
英文摘要: Climate change may directly induce shifts in stand-level dynamics by altering the regeneration, growth and mortality of tree species, and indirectly by modifying interspecific competition. While some experimental and simulation studies have shown that these effects can be compensated by lower browsing pressure, it is not clear how species composition and stand basal area may respond in the short and long term, and to which extent.We investigated the response of forests to isolated and combined changes of climatic conditions and ungulate browsing intensity in the Bavarian Forest National Park (BFNP), a strictly protected forest reserve. To this aim, we firstly characterized the browsing variability within the BFNP and among each tree species. Based on this, we implemented new equations in the forest gap model ForClim v3.0 and simulated the short- and long-term development of different forest types according to pertinent scenarios of browsing intensity.The model predicted a large dieback of the dominant Picea abies and Abies alba due to the increase in summer drought and winter temperatures; these species were progressively replaced by Fagus sylvatica. While climate change may have a positive impact on tree diversity in the short term (~100. years), long-term simulations (>1000. years) revealed reduced tree diversity and stand basal area compared to those predicted under current climate. While species composition was strongly dependent on browsing intensity under current climate through the changes in seedling selectivity by ungulates and in light regimes, the trajectory of vegetation development under climate change was not significantly altered by browsing. Even for highly palatable species such as A. alba, an eradication of ungulates could not compensate the decline of drought-intolerant species.We conclude that forest management tools to reduce ungulates population may be helpful to promote species diversity in P. abies dominated forest. However they may not be sufficient to compensate for the reduction in basal area and diversity that is induced by climate change. © 2014 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/65863
Appears in Collections:影响、适应和脆弱性

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作者单位: Forest Ecology, ITES, D-UWIS, ETH Zürich, Switzerland; Bavarian Forest National Park, 94481 Grafenau, Germany; Chair of Wildlife Ecology and Management, Albert-Ludwigs-University of Freiburg, Germany

Recommended Citation:
Cailleret M.,Heurich M.,Bugmann H.. Reduction in browsing intensity may not compensate climate change effects on tree species composition in the Bavarian Forest National Park[J]. Forest Ecology and Management,2014-01-01,328
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