Holding the line: three decades of prescribed fires halt but do not reverse woody encroachment in grasslands

Holding the line: three decades of prescribed fires halt but do not reverse woody encroachment in... Landscape Ecol (2017) 32:2297–2310 https://doi.org/10.1007/s10980-017-0569-9 RESEARCH ARTICLE Holding the line: three decades of prescribed fires halt but do not reverse woody encroachment in grasslands . . . Jesse E. D. Miller Ellen I. Damschen Zak Ratajczak Mutlu Ozdog˘an Received: 22 December 2016 / Accepted: 7 September 2017 / Published online: 18 September 2017 Springer Science+Business Media B.V. 2017 Abstract that result in thresholds, beyond which its reversal is Context Encroachment of woody vegetation repre- difficult. sents a significant global threat to biodiversity in Objectives We ask what impact reintroducing fre- grasslands, but practices used to reverse encroachment quent fire has on encroachment relative to the are rarely evaluated comprehensively. Several factors influences of landscape context and historical vegeta- may drive encroachment, such as land use history, tion. We investigate whether woody cover frequency alteration of disturbance regimes, and local environ- distributions suggest that feedbacks reinforce ment, but their relative importance is poorly under- encroachment after a threshold of woody cover is stood. Another complicating factor is that surpassed. encroachment may proceed via positive feedbacks Methods We analyze aerial photos in glade grass- lands in Missouri, USA, to assess encroachment patterns over a 75-year period. Fire was excluded from this http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Landscape Ecology Springer Journals

Holding the line: three decades of prescribed fires halt but do not reverse woody encroachment in grasslands

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Publisher
Springer Journals
Copyright
Copyright © 2017 by Springer Science+Business Media B.V.
Subject
Life Sciences; Landscape Ecology; Ecology; Nature Conservation; Landscape/Regional and Urban Planning; Sustainable Development; Environmental Management
ISSN
0921-2973
eISSN
1572-9761
D.O.I.
10.1007/s10980-017-0569-9
Publisher site
See Article on Publisher Site

Abstract

Landscape Ecol (2017) 32:2297–2310 https://doi.org/10.1007/s10980-017-0569-9 RESEARCH ARTICLE Holding the line: three decades of prescribed fires halt but do not reverse woody encroachment in grasslands . . . Jesse E. D. Miller Ellen I. Damschen Zak Ratajczak Mutlu Ozdog˘an Received: 22 December 2016 / Accepted: 7 September 2017 / Published online: 18 September 2017 Springer Science+Business Media B.V. 2017 Abstract that result in thresholds, beyond which its reversal is Context Encroachment of woody vegetation repre- difficult. sents a significant global threat to biodiversity in Objectives We ask what impact reintroducing fre- grasslands, but practices used to reverse encroachment quent fire has on encroachment relative to the are rarely evaluated comprehensively. Several factors influences of landscape context and historical vegeta- may drive encroachment, such as land use history, tion. We investigate whether woody cover frequency alteration of disturbance regimes, and local environ- distributions suggest that feedbacks reinforce ment, but their relative importance is poorly under- encroachment after a threshold of woody cover is stood. Another complicating factor is that surpassed. encroachment may proceed via positive feedbacks Methods We analyze aerial photos in glade grass- lands in Missouri, USA, to assess encroachment patterns over a 75-year period. Fire was excluded from this

Journal

Landscape EcologySpringer Journals

Published: Sep 18, 2017

References

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