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New Forests

, Volume 50, Issue 1, pp 41–56 | Cite as

Understanding ecological contexts for active reforestation following wildfires

  • Angela M. WhiteEmail author
  • Jonathan W. Long
Article

Abstract

To forestall loss of ecological values associated with forests, land managers need to consider where and when to prioritize active reforestation following major disturbance events. To aid this decision-making process, we summarize recent research findings pertaining to the Sierra Nevada region of California, USA to identify contexts in which active reforestation or passive recovery may best promote desirable post-fire ecological trajectories. Based on our synthesis, we suggest conceptual frameworks for assessing landscape conditions and determining areas that may be the highest priorities for tree planting to avoid persistent loss of conifer forests. Field studies have shown that some large patches of high severity burn can have relatively low levels of natural regeneration, especially among desired pine species. The accumulation of fuels and competition with shrubs and resprouting hardwoods may hinder the reestablishment of mature conifer trees. However, severe fires could also play a restorative role, by promoting non-conifer forested communities, such as meadows, shrubfields, and open forests with significant hardwood components. Such communities were historically rejuvenated and maintained by fire but have been replaced by conifer forest due in part to fire suppression. Reforestation in such areas may run counter to restoring ecological function and the ecosystem services that are provided by non-conifer communities. Through this framework, managers and stakeholders may better understand the contexts in which planting and passive recovery may better support ecological restoration.

Keywords

Natural regeneration Succession Meadow restoration Shrub competition Biodiversity Landscape restoration Planting 

Notes

Acknowledgements

This manuscript was funded in part by the U.S. Department of Interior and U.S. Department of Agriculture, Forest Service Joint Fire Science Program (Project Number 16-1-05-20) with support from the Pacific Southwest Research Station. We thank Malcolm North, Gina Tarbill, Ryan Tompkins, and Dana Walsh for their insights and suggestions that improved this paper.

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Authors and Affiliations

  1. 1.Pacific Southwest Research StationUSDA Forest ServiceDavisUSA
  2. 2.Pacific Northwest Research StationUSDA Forest ServiceDavisUSA

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