气候变化领域集成服务门户(CCPortal): Reducing rotation age to address increasing disturbances in Central Europe: Potential and limitations

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DOI	10.1016/j.foreco.2020.118408
	Reducing rotation age to address increasing disturbances in Central Europe: Potential and limitations
	Zimová S.; Dobor L.; Hlásny T.; Rammer W.; Seidl R.
发表日期	2020
ISSN	0378-1127
卷号	475
英文摘要	Forest disturbance regimes are intensifying in many parts of the globe. In order to mitigate disturbance impacts a number of management responses have been proposed, yet their effectiveness in addressing changing disturbance regimes remains largely unknown. The strong positive relationship between forest age and the vulnerability to disturbances such as windthrows and bark beetle infestations suggests that a reduced rotation length can be a potent means for mitigating the impacts of natural disturbances. However, disturbance mitigation measures such as shortened rotation lengths (SRL) can also have undesired consequences on ecosystem services and biodiversity, which need to be considered in their application. Here, we used the process-based landscape and disturbance model iLand to investigate the effects of SRL on the vulnerability of a 16,000 ha forest landscape in Central Europe to wind and bark beetle disturbances. We experimentally reduced the current rotation length (between 100 and 115 years) by up to −40% in 10% increments, and studied effects on disturbance dynamics under current and future climate conditions over a 200-year simulation period. Simultaneously, we quantified the collateral effects of SRL on forest carbon stocks and indicators of biodiversity. Shortening the rotation length by 40% decreased disturbances by 14%. This effect was strongly diminished under future climate change, reducing the mitigating effect of shortened rotation to <6%. Collateral effects were severe in the initial decades after implementation: Reducing the rotation length by 40% caused a spike in harvested timber volume (+92%), decreased total forest carbon storage by 6% and reduced the number of large trees on the landscape by 20%. The long-term effects of SRL were less pronounced. At the same time, SRL caused an increase in tree species diversity. Shortening rotation length can reduce the impact of wind and bark beetle disturbances, but the overall efficiency of the measure is limited and decreases under climate change. Given the potential for undesired collateral effects we conclude that a reduction of the rotation length is no panacea for managing increasing disturbances, and should be applied in combination with other management measures reducing risks and fostering resilience. © 2020 Elsevier B.V.
英文关键词	Central Europe; Climate change; Disturbance management; Forest disturbances; Wind and bark beetles
语种	英语
scopus关键词	Biodiversity; Climate change; Ecosystems; Risk assessment; Rotation; Collateral effects; Disturbance mitigations; Disturbance modeling; Forest disturbances; Management measures; Natural disturbance; Overall efficiency; Tree species diversity; Forestry; beetle; biodiversity; carbon storage; climate change; crop rotation; disturbance; ecological impact; ecosystem service; experimental study; forest ecosystem; management practice; species diversity; vulnerability; windthrow; Bark; Biodiversity; Ecosystems; Forestry; Length; Risk Assessment; Rotation; Vulnerability; Central Europe; Scolytinae
来源期刊	Forest Ecology and Management
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/155038
作者单位	Czech University of Life Sciences Prague, Faculty of Forestry and Wood Sciences, Kamýcká 129, Prague 6, 165 21, Czech Republic; Ecosystem Dynamics and Forest Management Group, Technical University of Munich, Freising, Germany; University of Natural Resources and Life Sciences (BOKU) Vienna, Peter Jordan Straße 82, Wien, 1190, Austria
推荐引用方式 GB/T 7714	Zimová S.,Dobor L.,Hlásny T.,et al. Reducing rotation age to address increasing disturbances in Central Europe: Potential and limitations[J],2020,475.
APA	Zimová S.,Dobor L.,Hlásny T.,Rammer W.,&Seidl R..(2020).Reducing rotation age to address increasing disturbances in Central Europe: Potential and limitations.Forest Ecology and Management,475.
MLA	Zimová S.,et al."Reducing rotation age to address increasing disturbances in Central Europe: Potential and limitations".Forest Ecology and Management 475(2020).