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Classification of Post-Fire Responses of Woody Plants to include Pyrophobic Communities

School of Natural Resources, University of Tasmania, Private Bag 55, Hobart, Tasmania 7001, Australia
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Received: 24 April 2020 / Revised: 19 May 2020 / Accepted: 19 May 2020 / Published: 20 May 2020
Developing standardised classification of post-fire responses is essential for globally consistent comparisons of woody vegetation communities. Existing classification systems are based on responses of species growing in fire-prone environments. To accommodate species that occur in rarely burnt environments, we have suggested some important points of clarification to earlier schemes categorizing post-fire responses. We have illustrated this approach using several Australasian conifer species as examples of pyrophobic species. In particular, we suggest using the term “obligate seeder” for the general category of plants that rely on seed to reproduce, and qualifying this to “post-fire obligate seeder” for the narrower category of species with populations that recover from canopy fire only by seeding; the species are typically fire-cued, with large aerial or soil seed banks that germinate profusely following a fire, and grow and reproduce rapidly in order to renew the seed bank before the next fire. View Full-Text
Keywords: Athrotaxis; Australian conifers; Callitris; canopy fire; obligate seeder; resprouting; high-severity fire Athrotaxis; Australian conifers; Callitris; canopy fire; obligate seeder; resprouting; high-severity fire
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Prior, L.D.; Bowman, D.M.J.S. Classification of Post-Fire Responses of Woody Plants to include Pyrophobic Communities. Fire 2020, 3, 15.

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