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

Title data

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

Abstract in another language

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.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER99720
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professorship Disturbance Ecology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professorship Disturbance Ecology > Professorship Disturbance Ecology - Univ.-Prof. Dr. Anke Jentsch
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 18 Jun 2015 06:35
Last Modified: 18 Jun 2015 06:35
URI: https://eref.uni-bayreuth.de/id/eprint/15211