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Global climate change and local disturbance regimes as interacting drivers for shifting altitudinal vegetation patterns

Titelangaben

Jentsch, Anke ; Beierkuhnlein, Carl:
Global climate change and local disturbance regimes as interacting drivers for shifting altitudinal vegetation patterns.
In: Erdkunde. Bd. 57 (2003) Heft 3 . - S. 216-231.
ISSN 0014-0015

Abstract

Climate change will be a major driving factor for ecosystem development during the next century. It will be most prominent in areas with narrow climatic gradients such as high mountains. However, the life cycles and dispersal potential of species and the longevity of non-mobile specimen are likely to limit the adaptation to gradually but, compared to the temporal scale of ecosystems, rapidly changing environments. Communities may perform inertia to the shift of species composition and delay the development of more competitive communities on a long-term perspective. This in turn may promote a loss of biodiversity and restrictions in ecosystem functioning and resilience. Then in high mountains disturbances such as mud flows or avalanches might cause hazardous effects on human interests (land use, settlements, and infrastructure). In contrast to this perspective, we suggest in this paper that in a gradually changing climate, disturbances will contribute to a faster adaptation of communities. In a shifting environment, single disturbance events, that are part of a specific disturbance regime, can remove inertia (e.g. non-reproductive long-lived individuals) from a system and support the establishment of new species and structures. This is most important in regions where natural processes of ecosystem development predominate and ephemeral anthropogenic ecosystems are of low importance, which is generally the case in high mountains. Here agricultural land use is limited to small areas. Thus disturbances can contribute to the preservation of biodiversity and ecosystem stability.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Zusätzliche Informationen: BAYCEER14898
Institutionen der Universität: Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften > Lehrstuhl Biogeographie
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften > Lehrstuhl Biogeographie > Lehrstuhl Biogeographie - Univ.-Prof. Dr. Carl Beierkuhnlein
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften > Professur Störungsökologie
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften > Professur Störungsökologie > Professur Störungsökologie - Univ.-Prof. Dr. Anke Jentsch
Forschungseinrichtungen > Forschungszentren > Bayreuther Zentrum für Ökologie und Umweltforschung - BayCEER
Fakultäten
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften
Forschungseinrichtungen
Forschungseinrichtungen > Forschungszentren
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik
Eingestellt am: 31 Aug 2015 05:50
Letzte Änderung: 31 Aug 2015 05:50
URI: https://eref.uni-bayreuth.de/id/eprint/18902