Longevity, climate sensitivity, and conservation status of wetland trees at black river, North Carolina

D. W. Stahle, J. R. Edmondson, I. M. Howard, C. R. Robbins, R. D. Griffin, A. Carl, C. B. Hall, D. K. Stahle, M. C.A. Torbenson

Research output: Contribution to journalLetterpeer-review

14 Scopus citations

Abstract

Bald cypress trees over 2,000-years old have been discovered in the forested wetlands along Black River using dendrochronology and radiocarbon dating. The oldest bald cypress yet documented is at least 2,624-years old, making Taxodium distichum the oldest-known wetland tree species, the oldest living trees in eastern North America, and the fifth oldest known non-clonal tree species on earth. The annual ring-width chronology developed from the ancient Black River bald cypress trees is positively correlated with growing season precipitation totals over the southeastern United States and with atmospheric circulation over the Northern Hemisphere, providing the longest exactly-dated climate proxy yet developed in eastern North America. The Nature Conservancy owns 6,400 ha in their Black River Preserve and the North Carolina legislature is considering establishment of a Black River State Park, but ancient forested wetlands are found along most of this 106 km stream and remain threatened by logging, water pollution, and sea level rise.

Original languageEnglish (US)
Article number041002
JournalEnvironmental Research Communications
Volume1
Issue number4
DOIs
StatePublished - 2019

Bibliographical note

Funding Information:
Funded in part by the National Science Foundation (AGS-1266014), The Nature Conservancy, and private donations to the Ancient Bald Cypress Consortium. We thank John and Maggie DeCuevas, Kemp Burdette, Jordan Burns, Graham Hawks, Hervey McIver, Julie Moore, Zack West, and Katherine P Wolff. We appreciate the helpful editorial suggestions of Neil Pederson and an anonymous reviewer.

Funding Information:
Funded in part by the National Science Foundation (AGS-1266014), The Nature Conservancy, and private donations to the Ancient Bald Cypress Consortium. We thank John and Maggie DeCuevas, Kemp Burdette, Jordan Burns, Graham Hawks, Hervey McIver, Julie Moore, Zack West, and Katherine P Wolff. We appreciate the helpful editorial suggestions of Neil Pederson and an anonymous reviewer. The tree-ring data described in this article are available from the corresponding author (dstahle@uark.edu) and from the International Tree-Ring Data Bank, NOAA Paleoclimatology Program (https://www.ncdc.noaa.gov/data-access/ paleoclimatology-data/datasets/tree-ring).

Publisher Copyright:
© 2019 The Author(s). Published by IOP Publishing Ltd.

Keywords

  • Ancient bald cypress
  • Climate proxy
  • Dendrochronology
  • Radiocarbon dating
  • Wetland conservation

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