Biological and geophysical feedbacks with fire in the Earth system

Show simple item record Archibald, S. Lehmann, C.E.R. Belcher, C.M. Bond, W.J. Bradstock, R.A. 2020-01-09T14:51:15Z 2020-01-09T14:51:15Z 2018-03-06
dc.identifier.citation Archibald, S. et al. 2018. Biological and geophysical feedbacks with fire in the Earth system. Environmental Research Letters 13(3), Article number a033003. en_ZA
dc.identifier.issn 1748-9326(electronic)
dc.description.abstract Roughly 3% of the Earth's land surface burns annually, representing a critical exchange of energy and matter between the land and atmosphere via combustion. Fires range from slow smouldering peat fires, to low-intensity surface fires, to intense crown fires, depending on vegetation structure, fuel moisture, prevailing climate, and weather conditions. While the links between biogeochemistry, climate and fire are widely studied within Earth system science, these relationships are also mediated by fuels-namely plants and their litter-that are the product of evolutionary and ecological processes. Fire is a powerful selective force and, over their evolutionary history, plants have evolved traits that both tolerate and promote fire numerous times and across diverse clades. Here we outline a conceptual framework of how plant traits determine the flammability of ecosystems and interact with climate and weather to influence fire regimes. We explore how these evolutionary and ecological processes scale to impact biogeochemical and Earth system processes. Finally, we outline several research challenges that, when resolved, will improve our understanding of the role of plant evolution in mediating the fire feedbacks driving Earth system processes. Understanding current patterns of fire and vegetation, as well as patterns of fire over geological time, requires research that incorporates evolutionary biology, ecology, biogeography, and the biogeosciences. en_ZA
dc.language.iso en en_ZA
dc.publisher Environmental Research Letters en_ZA
dc.rights Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence en_ZA
dc.subject Climate en_ZA
dc.subject Earth-system feedbacks en_ZA
dc.subject Evolution en_ZA
dc.subject Flammability en_ZA
dc.subject Niche-construction en_ZA
dc.subject Plant traits en_ZA
dc.subject Vegetation en_ZA
dc.title Biological and geophysical feedbacks with fire in the Earth system en_ZA
dc.type Article en_ZA
dc.journal.volume 13 en_ZA
dc.journal.title Environmental Research Letters en_ZA
dc.description.librarian NLB2020 en_ZA
dc.citation.doi 10.1088/1748-9326/aa9ead en_ZA
dc.funder Australian Research Council en_ZA
dc.journal.issue 3 en_ZA
dc.faculty Faculty of Science en_ZA

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