Projecting the long-term effects of large-scale human influence on the spatial and functional persistence of extant longleaf pine ecosystems in the Florida Flatwoods Pyrome

Lilian Hutchens; John A. Kupfer; Peng Gao; Georgina M. Sanchez; Ross K. Meentemeyer; Adam J. Terando; J. Kevin Hiers

doi:10.1111/csp2.13187

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Projecting the long-term effects of large-scale human influence on the spatial and functional persistence of extant longleaf pine ecosystems in the Florida Flatwoods Pyrome

Lilian Hutchens·John A. Kupfer·Peng Gao·Georgina M. Sanchez·Ross K. Meentemeyer·Adam J. Terando·J. Kevin Hiers

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Abstract

Decades of human activities and fire suppression have adversely affected longleaf pine ( Pinus palustris ) ecosystems, which are home to high levels of diversity and endemism. These iconic ecosystems also now face challenges from urbanization and climate change, which will alter conservation outcomes over the remainder of the 21st century. To explore how long-term, large-scale human influences could affect the spatial and functional persistence of extant longleaf pine ecosystems in the Florida Flatwoods Pyrome, we extracted a set of 2400 longleaf pine patches ≥40 ha in size from the Florida Longleaf Pine Ecosystem Geodatabase. Projections from the FUTURES urban growth model and the Florida 2070 project indicate that development will lead to losses of existing longleaf pine habitat, reductions in longleaf pine patch size, and patches that are predominantly located in close proximity to developed areas. Finer-scale patterns of longleaf pine loss in three focal landscapes highlighted differences in land protection, ecological setting, and development pressure and the value of using of multiple urbanization iterations. The occurrence of suitable conditions to conduct prescribed fires, a crucial tool for maintaining, improving, and restoring longleaf pine ecosystems, is projected to decrease seasonally throughout the study area. As a result, the functional persistence of ecosystems is at risk due to climate changes that increase barriers to the safe and reliable application of intentional fire. The long-term viability of this critical ecosystem will warrant the evaluation of adaptive strategies that explicitly account for the individual and compounding effects of urban development and changing fire management conditions when considering options for ecosystem protection, management, and restoration.

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Conservation Science and Practice Article

Source-reported bounding extent: 26.33869742309807° to 31.52377445868447° latitude; -85.48595743814668° to -80.23615831927407° longitude. This indicates report coverage, not an exact sampling location. View area on OpenStreetMap.

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Lilian Hutchens, John A. Kupfer, Peng Gao, Georgina M. Sanchez, Ross K. Meentemeyer, Adam J. Terando, J. Kevin Hiers. 2024-07-23. Projecting the long-term effects of large-scale human influence on the spatial and functional persistence of extant longleaf pine ecosystems in the Florida Flatwoods Pyrome. https://doi.org/10.1111/csp2.13187

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