Differences in regeneration niche mediate how disturbance severity and microclimate affect forest species composition

Forest Ecology and Management（2023）

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摘要

•Disturbance severity and snow duration have species-specific effects on seedlings.•Lower substrate burn severity disadvantaged Abies concolor seedlings.•Earlier snowmelt in the germination year decreased Abies concolor survival.•Post-fire compositional shifts toward drought-tolerant Pinus species are possible.

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关键词

Abies concolor,Low-severity fire,Moderate-severity fire,Old-growth forest,Pinus lambertiana,Post-fire seedlings,Regeneration niche,Rim fire,Smithsonian ForestGEO,Yosemite Forest Dynamics Plot

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