Frequent fire protects shortleaf pine (Pinus echinata) from introgression by loblolly pine (P. taeda)

  title={Frequent fire protects shortleaf pine (Pinus echinata) from introgression by loblolly pine (P. taeda)},
  author={John Frederick Stewart and Rodney E. Will and Kevin M. Robertson and Charles Dana Nelson},
  journal={Conservation Genetics},
Across much of the globe, fire is a major disturbance agent of forest and grassland communities. The removal of fire from previously fire-maintained ecosystems, which has occurred in many areas, changes species composition, favoring later less fire tolerant species over fire-adapted ones. A recent measured increase in the rate of hybridization between the fire-adapted shortleaf pine (Pinus echinata) and less fire-adapted loblolly pine (P. taeda) suggests that introgression may be an emerging… CONTINUE READING
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