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Environmental drivers of large, infrequent wildfires : the emerging conceptual model

Titelangaben

Meyn, Andrea ; Buhk, Constanze ; White, Peter S. ; Jentsch, Anke:
Environmental drivers of large, infrequent wildfires : the emerging conceptual model.
In: Progress in Physical Geography. Bd. 31 (Juni 2007) Heft 3 . - S. 287-312.
ISSN 1477-0296
DOI: https://doi.org/10.1177/0309133307079365

Abstract

Large, infrequent fires (LIFs) can have substantial impacts on both ecosystems and theeconomy. To better understand LIFs and to better predict the effects of human management and climate change on their occurrence, we must first determine the factors that produce them. Here, we review local and regional literature investigating the drivers of LIFs. The emerging conceptual model proposes that ecosystems can be typified based on climatic conditions that determine both fuel moisture and fuel amount. The concept distinguishes three ecosystem types: (1) biomass-rich,rarely dry ecosystems where fuel moisture rather than fuel amount limits LIFs; (2) biomass-poor, at least seasonally dry ecosystems where fuel amount rather than fuel moisture limits LIFs; and(3) biomass-poor, rarely dry ecosystems where both fuel amount and fuel moisture limit theoccurrence of LIFs. Our main goal in this paper is to discuss the drivers of LIFs and the threementioned ecosystem types in a global context. Further, we will discuss the drivers that are notincluded within the "fuels" versus "climate" discussion. Finally, we will address the question: what kinds of additional information are needed if models predicting LIFs are to be coupled with global climate models? As with all generalizations, there are local deviations and modifications due to processessuch as disturbance interaction or human impact. These processes tend to obscure the general patterns of the occurrence of LIFs and are likely to cause much of the observed controversy and confusion in the literature.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Zusätzliche Informationen: BAYCEER99720
Institutionen der Universität: 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: 18 Jun 2015 06:35
Letzte Änderung: 18 Jun 2015 06:35
URI: https://eref.uni-bayreuth.de/id/eprint/15211