Fire suppression and ecosystem carbon storage
David Tilman,Peter B. Reich,Hope Phillips,Mary Menton,Ami Patel,Erin Vos,David W. Peterson,Johannes M. H. Knops +7 more
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A 35-year controlled burning experiment in Minnesota oak savanna showed that fire frequency had a great impact on ecosystem carbon (C) stores, with most carbon stored in woody biomass.Abstract:
A 35-year controlled burning experiment in Minnesota oak savanna showed that fire frequency had a great impact on ecosystem carbon (C) stores. Specifically, compared to the historical fire regime, fire suppression led to an average of 1.8 Mg·ha−1·yr−1 of C storage, with most carbon stored in woody biomass. Forest floor carbon stores were also significantly impacted by fire frequency, but there were no detectable effects of fire suppression on carbon in soil and fine roots combined, or in woody debris. Total ecosystem C stores averaged ∼110 Mg/ha in stands experiencing presettlement fire frequencies, but ∼220 Mg/ha in stands experiencing fire suppression. If comparable rates of C storage were to occur in other ecosystems in response to the current extent of fire suppression in the United States, fire suppression in the USA might account for 8–20% of missing global carbon.read more
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Uganda’s rangeland policy: intentions, consequences and opportunities
TL;DR: In this paper, the authors investigate the socio-ecological and economic impact of rangeland policies and their impact on rangelands in Uganda and conclude that these policies were based on western European resource management and marginalization narratives.
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Simulated Importance of Dispersal, Disturbance, and Landscape History in Long-Term Ecosystem Change in the Big Woods of Minnesota
TL;DR: In this article, the authors used LANDIS-II to model the expansion of the Minnesota Big Woods (Big Woods) forest, and conducted simulation experiments that isolated the important ecological factors in this regional change.
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Afforestation opportunities when stand productivity is driven by a high risk of natural disturbance: a review of the open lichen woodland in the eastern boreal forest of Canada
TL;DR: In this article, the authors review the opportunities for carbon offsets through open lichen woodland afforestation in the boreal forest of eastern Canada as a case study, while considering the reversal risks (low productivity, fires, insect outbreaks, changes in land use and the effects of future climate on growth potential as well as on the disturbances regime).
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Inverse Determination of the Influence of Fire on Vegetation Carbon Turnover in the Pantropics
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Human impacts on 20th century fire dynamics and implications for global carbon and water trajectories
TL;DR: In this paper, the impacts of changes in human ignition and suppression on fire dynamics and associated carbon and water cycles were quantified using the Community Land Model version 4.5 (CLM4.5).
References
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