Angeler, David
- Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences
Abstract
Disturbance legacies structure communities and ecological memory, but due to increasing changes in disturbance regimes, it is becoming more difficult to characterize disturbance legacies or determine how long they persist. We sought to quantify the characteristics and persistence of material legacies (e.g., biotic residuals of disturbance) that arise from variation in fire severity in an eastern ponderosa pine forest in North America. We compared forest stand structure and understory woody plant and bird community composition and species richness across unburned, low-, moderate-, and high-severity burn patches in a 27-year-old mixed-severity wildfire that had received minimal post-fire management. We identified distinct tree densities (high: 14.3 +/- 7.4 trees per ha, moderate: 22.3 +/- 12.6, low: 135.3 +/- 57.1, unburned: 907.9 +/- 246.2) and coarse woody debris cover (high: 8.5 +/- 1.6% cover per 30m transect, moderate: 4.3 +/- 0.7, low: 2.3 +/- 0.6, unburned: 1.0 +/- 0.4) among burn severities. Understory woody plant communities differed between high-severity patches, moderate- and low-severity patches, and unburned patches (all p
Keywords
birds; burn severity; disturbance legacies; ecological memory; fire legacies; material legacies; ponderosa pine; stand structure
Published in
Ecology and Evolution
2019, volume: 9, number: 4, pages: 1869-1879
Publisher: WILEY
SLU Authors
UKÄ Subject classification
Forest Science
Publication identifier
- DOI: https://doi.org/10.1002/ece3.4879
Permanent link to this page (URI)
https://res.slu.se/id/publ/99249