Ecology and evolution of pine life histories

By J. E. Keeley. Annals of Forest Science, 2012

253 citations recorded by the source corpus.

IntroductionPinus is a diverse genus of trees widely distributed throughout the Northern Hemisphere. Understanding pine life history is critical to both conservation and fire management.ObjectivesHere I lay out the different pathways of pine life history adaptation and a brief overview of pine evolution and the very significant role that fire has played.ResultsPinus originated ~150 Ma in the mid-Mesozoic Era and radiated across the northern continent of Laurasia during the Cretaceous Period. Pines have followed two evolutionary strategies interpreted as responses to competition by the newly emerging angiosperms. The Strobus lineage mostly has radiated into stressful sites of low nutrient soils and extremes in cold or heat. The Pinus (subgenus) lineage has radiated into fire-prone landscapes with diverse fire regimes. Examination of life history traits illustrates syndromes associated with fire-avoider, fire-tolerater, fire-embracer, and fire-refuge strategies.ConclusionUnderstanding the current pattern of pine distribution requires interpreting their evolution in terms of climate, geology, and fire. All three of these factors have played a role since the Mesozoic origin of the genus. All are important to the appropriate management of these resources.

Subfields: Global and Planetary Change, Nature and Landscape Conservation

View Paper: https://www.semanticscholar.org/paper/5872d3454b1e50e56e7ffe41d9618a265a4fc49d

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In Global and Planetary Change

In Nature and Landscape Conservation

Citations in the corpus

Biogeography of fire regimes in western U.S. conifer forests: A trait‐based approach (2020, background): “The use of litter flammability in our FRS reflects the second dimension of fire regimes discussed above [the “fire-embracing” (Keeley, 2012) or “hot-flammable” (Pausas et al., 2017) strategy; Supporting Information Figure S1b,c].”
Bark thickness and fire regime (2015, background): “2012) and conform the fire tolerater pine syndrome (Keeley 2012).”
Soil Bacterial and Fungal Response to Wildfires in the Canadian Boreal Forest Across a Burn Severity Gradient (2019, background): “Burn severity is the degree of fire-induced change to vegetation and soils (Keeley, 2012; Parks et al., 2014).”
Generalized fire response strategies in plants and animals (2018, background): “Refugia is considered one of the fire strategies in pines (Keeley 2012); these species colonise from refugia during the fire-free interval.”