Transition from Fire-Dependent Open Forests: Alternative Ecosystem States in the Southeastern United States

نویسندگان

چکیده

Land use and fire exclusion have influenced ecosystems worldwide, resulting in alternative ecosystem states. Here, I provide two examples from the southeastern United States of fire-dependent open pine pine-oak forest loss examine dynamics replacement forests, given continued long-term declines foundation longleaf (Pinus palustris) shortleaf echinata) pines recent increases commercial loblolly taeda) slash elliottii var. elliottii) pines. Shortleaf historically may been dominant on about 32 to 38 million ha, a provisional estimate based historical composition 75% all trees, has decreased 2.5 ha currently; now is 3% trees northern province. Longleaf 30 totaling 1.3 contemporary forests southern The initial transition closed primarily comprised broadleaf species, was countered by conversion plantations. Loblolly accounts for 37% trees. Loss their tree species affect associated biodiversity, or that succeed under disturbance.

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ژورنال

عنوان ژورنال: Diversity

سال: 2021

ISSN: ['1424-2818']

DOI: https://doi.org/10.3390/d13090411