Establishment of regional phytoremediation buffer systems for ecological restoration in the great lakes basin, usa. I. genotype × environment interactions

Ronald S. Zalesny, Andrej Pilipović, Elizabeth R. Rogers, Joel G. Burken, Richard A. Hallett, Chung Ho Lin, Bernard G McMahon, Neil D. Nelson, Adam H. Wiese, Edmund O. Bauer, Larry Buechel, Brent S. Debauche, Mike Peterson, Ray Seegers, Ryan A. Vinhal

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Poplar remediation systems are ideal for reducing runoff, cleaning groundwater, and delivering ecosystem services to the North American Great Lakes and globally. We used phytorecurrent selection (PRS) to establish sixteen phytoremediation buffer systems (phyto buffers) (buffer groups: 2017 × 6; 2018 × 5; 2019 × 5) throughout the Lake Superior and Lake Michigan watersheds comprised of twelve PRS-selected clones each year. We tested for differences in genotypes, environments, and their interactions for health, height, diameter, and volume from ages one to four years. All trees had optimal health. Mean first-, second-, and third-year volume ranged from 71 ± 26 to 132 ± 39 cm3; 1440 ± 575 to 5765 ± 1132 cm3; and 8826 ± 2646 to 10,530 ± 2110 cm3, respectively. Fourth-year mean annual increment of 2017 buffer group trees ranged from 1.1 ± 0.7 to 7.8 ± 0.5 Mg ha−1 yr−1 . We identified generalist varieties with superior establishment across a broad range of buffers (‘DM114’, ‘NC14106’, ‘99038022’, ‘99059016’) and specialist clones uniquely adapted to local soil and climate conditions (‘7300502’, ‘DN5’, ‘DN34’, ‘DN177’, ‘NM2’, ‘NM5’, ‘NM6’). Using generalists and specialists enhances the potential for phytoremediation best management practices that are geographically robust, being regionally designed yet globally relevant.

Original languageEnglish (US)
Article number430
JournalForests
Volume12
Issue number4
DOIs
StatePublished - Apr 2 2021

Bibliographical note

Funding Information:
This work was funded by the Great Lakes Restoration Initiative (GLRI; Template #738 Landfill Runoff Reduction).

Publisher Copyright:
© 2021 by the authors. Licensee MDPI, Basel, Switzerland.

Keywords

  • Ecosystem services
  • Multi-environmental trials (MET)
  • Phenotypic plasticity
  • Phyto buffers
  • Phyto-recurrent selection
  • Phytotechnologies
  • Poplars
  • Populus

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