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| Content Provider | Springer Nature Link |
|---|---|
| Author | Lindner, Marcus |
| Copyright Year | 1999 |
| Abstract | In der Forstwirtschaft müssen ständig Entscheidungen mit sehr langfristigen Konsequenzen getroffen werden. Die Kulturen von heute werden in 50 bis 100 Jahren möglicherweise einem stark verändertem Klima ausgesetzt sein. Es fehlen aber bislang weitgehend Untersuchungen, in denen mögliche Konsequenzen von Klimaänderungen in bewirtschafteten Wäldern analysiert und bewertet wurden. Es besteht daher ein großes Defizit an Entscheidungshilfen für die Entwicklung von Handlungsstrategien für die forstliche Praxis im Kontext globaler Klimaänderungen.In dieser Arbeit werden zunächst verschiedene Bewirtschaftungsstrategien in ihrer Bedeutung für die Anpassung von Waldbeständen an veränderte Umweltbedingungen analysiert. Darauf aufbauend wird mit einem Simulationsmodell veranschaulicht, wie stark sich alternative Bewirtschaftungsstrategien auf die Veränderung der Waldstruktur in einem Zeitraum von 110 Jahren unter heutigem Klima und bei einer Temperaturerhöhung um 3° C auswirken. Die Simulationsergebnisse für ein Forstrevier in der Dübener Heide in Nordostdeutschland zeigen, daß sich in allen untersuchten Szenarien die Zusammensetzung und die Produktivität der Wälder verändern würde. Die großen Unterschiede im Vergleich der Handlungsstrategien verdeutlichen auch Handlungsspielräume für die Forstwirtschaft. Simulationsresultate des hier verwendeten, mit Bewirtschaftungsroutinen erweiterten Waldsukzessionsmodells bieten eine gute Grundlage für die Bewertung und Optimierung von Bewirtschaftungsstrategien in der Forstwirtschaft unter dem Einfluß von Klimaänderungen.In forest management there is frequently the need to make decisions with long-term consequences. Forests which are planted today may be exposed to a quite different climate within 50 to 100 years. To date, very few investigations have analysed the impacts of the projected climate changes in managed forests. Consequently there is a need for improved decision support for the development of forest management strategies in the context of global change.This paper analyses how different forest management strategies influence the adaptation of forest stands to changing environmental conditions. Furthermore, a simulation model was applied to demonstrate the strong influence of management on forest development within the next 110 years under current climate conditions and under a scenario of climate change. The simulation results for a forestry district in northeastern Germany showed that, in all investigated scenarios, climate change affected forest composition and productivity. However, there were also distinct differences between the simulated management strategies. Whereas a conservative management strategy resulted in relatively small changes in simulated species composition but in a strong decrease in productivity between present climate and climate change scenario, an adaptive forest management strategy was able to partly mitigate the reduction in productivity by means of a shift to more drought tolerant tree species. It is concluded that the simulation results of the extended forest gap model with forest management routines provide opportunities to evaluate and optimize forest management strategies for the adaptation of forest stands to changing climatic conditions. |
| Starting Page | 1 |
| Ending Page | 13 |
| Page Count | 13 |
| File Format | |
| ISSN | 00158003 |
| Journal | Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch |
| Volume Number | 118 |
| Issue Number | 1-6 |
| e-ISSN | 14390337 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 1999-01-01 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | Subscribed |
| Subject Keyword | Climate change climate impact gap model mitigation and adaptation strategy Forestry Plant Sciences Plant Ecology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science Forestry |
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