Diversity and forest productivity in a changing climate

© 2018 The Author. New Phytologist © 2018 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 221(2019), 1 vom: 15. Jan., Seite 50-66
1. Verfasser: Ammer, Christian (VerfasserIn)
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Review adaptive forest management competition complementarity facilitation forest ecosystems overyielding selection effect species mixture
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520 |a © 2018 The Author. New Phytologist © 2018 New Phytologist Trust. 
520 |a Contents Summary 50 I. Introduction 50 II. Drivers of the diversity-productivity relationship 51 III. Patterns of the diversity-productivity relationship 55 IV. Responses of mixed stands to climate change 57 V. Conclusions 60 Acknowledgements 61 References 61 SUMMARY: Although the relationship between species diversity and biomass productivity has been extensively studied in grasslands, the impact of tree species diversity on forest productivity, as well as the main drivers of this relationship, are still under discussion. It is widely accepted that the magnitude of the relationship between tree diversity and forest stand productivity is context specific and depends on environmental conditions, but the underlying mechanisms of this relationship are still not fully understood. Competition reduction and facilitation have been identified as key mechanisms driving the diversity-productivity relationship. However, contrasting results have been reported with respect to the extent to which competition reduction and facilitation determine the diversity-productivity relationship. They appear to depend on regional climate, soil fertility, functional diversity of the tree species involved, and developmental stage of the forest. The purpose of this review is to summarize current knowledge and to suggest a conceptual framework to explain the various processes leading to higher productivity of species-rich forests compared with average yields of their respective monocultures. This framework provides three pathways for possible development of the diversity-productivity relationship under a changing climate 
650 4 |a Journal Article 
650 4 |a Review 
650 4 |a adaptive forest management 
650 4 |a competition 
650 4 |a complementarity 
650 4 |a facilitation 
650 4 |a forest ecosystems 
650 4 |a overyielding 
650 4 |a selection effect 
650 4 |a species mixture 
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