SPRUCE
Spruce and Peatland Responses
Under Changing Environments
Research Summaries
Collaborators Research Summaries
- The response of soil carbon storage and microbially mediated carbon turnover to simulated climatic disturbance in a northern peatland forest: revisiting the concept of soil organic matter recalcitrance. Principal Investigators: Joel E. Kostka, Georgia Institute of Technology & Jeff Chanton, Florida State University (2012-2013) Summary
- Understanding the mechanisms underlying heterotrophic CO2 and CH4 fluxes in a peatland with deep soil warming and atmospheric CO2 enrichment.Principal Investigators: Scott D. Bridgham, University of Oregon & Jason Keller, Chapman University (2015 renewal final)
Summary - Mercury and sulfur dynamics in the spruce experiment. Principal Investigators: Brandy Toner and Ed Nater, University of Minnesota & Randy Kolka and Steve Sebestyen, USDA Forest Service MN (2103 to present)
Summary - Improving models to predict phenological responses to global change. Principal Investigator: Andrew D. Richardson, Harvard University (2013 to present)
Summary - Lichen community responses to warming. Principal Investigators: Bruce McCune, Oregon State University, Sarah Jovan, USDA Forest Service OR (2013 to present)
Summary - Fungal, bacterial, and archaeal communities mediating C cycling and trace gas flux in peatland ecosystems subject to climate change. Principal Investigator: Erik Lilleskov, USDA Forest Service with Joint Genome Institute Support (2013 to present)
Summary - Toward a predictive understanding of the response of belowground microbial carbon turnover to climate change drivers in a boreal peatland. Principal Investigators: Joel E. Kostka Georgia Institute of Technology & Jeffrey P. Chanton, William T. Cooper Florida State University (2014 to present)
Summary - Can microbial ecology inform ecosystem level c-n cycling response to climate change? Principal Investigators: Kirsten Hofmockel, Iowa State University & Erik Hobbie, University of New Hampshire (2014 to present)
Summary - Peatland Mercury Cycling in a Changing Climate: A Large-Scale Field Manipulation Study. Principal Investigator: Carl Mitchell, University of Toronto - Scarborough (2014-present)
Summary - Effects of experimental warming & elevated CO2 on trace gas emissions from a northern Minnesota black spruce peatland: measurement and modeling.Principal Investigator: Adrien Finzi, Boston University (2014-present)
Summary TBD - Functioning of wetlands as a source of atmospheric methane: a multi-scale and multi-disciplinary approach. Principal Investigator: Karis McFarlane and Xavier Mayali, Mike Singleton, Ate Visser, Jennifer Pett-Ridge, Brad Esser, Tom Guilderson Lawrence Livermore National Laboratory (2014-present)
Summary - Using microbial enzyme decomposition models to study the effects of peat warming and/or CO2 enrichment on peatland decomposition. Principal Investigator: Brian H. Hill and Colleen M. Elonen, Terri M. Jicha, Mary F. Moffett US Environmental Protection Agency (2014-present)
Summary TBD - The role of the Sphagnum microbiome in carbon and nutrient cycling in peatlands - JGI's Community Science Program. Principal Investigators: Joel E. Kostka and Gen Glass Georgia Institute of Technology, David Weston Oak Ridge National Laboratory, Erik Lilleskov USDA Forest Service – Houghton, MI, Jon Shaw Duke University, and Susannah Tringe at the Joint Genome Institute. (2015-present)
Summary TBD - Soil fauna biodiversity sampling at SPRUCE. Principal Investigator: Zoë Lindo University of Western Ontario. (starting in 2015)
Summary - Monitoring warming and elevated CO2 induced changes in photosynthetic efficiency via canopy spectral reflectance. Principal Investigators: Michael J. Falkowski University of Minnesota, Evan Kane Michigan Technological University, Brian Benscoter Florida Atlantic University, & Randy Kolka US Forest Service. (Starting in 2015?)
Summary - Wood decomposition rates and functional types in a shifting climate. Principal Investigators: Jonathan Schilling and Jason Oliver, University of Minnesota, Randy Kolka, United States Forest Service (starting in 2015)
Summary - Microbial growth and carbon and nutrient use partitioning under peatland warming and elevated CO2. Principal Investigators: Jessica Gutknecht, University of Minnesota (2014-present using startup funds, with an intention to receive extramural funding soon).
Summary - Modeling porewater stable carbon isotopes of CH4 and CO2 to estimate in situ microbial rates. Principal Invesitagor: Rebecca Neumann, Univeristy of Washington. (2015-present).
- SPRUCE Plot-scale Terrestrial LIDAR applications. Principal Investigator: Nancy Glenn, Boise State University. (2015 to present funded under subcontract to the SPRUCE project).
- Linking experiments with models. Principal Investigator: Yiqi Luo, University of Oklahoma. (2015-present funded under subcontract to the SPRUCE Project).
- Quantification of aqueous Fe(II)/Fe(III) fluxes from SPRUCE treatment plots. Principal investigator: Steven Hall, Iowa State University. (2016-present)
- Mechanistic modeling of methane cycle at SPRUCE. Principal Investigator: Xiaofeng Xu, San Diego State University. (2014-present)
Summary - Deep C: Deep soil carbon cycling in a warming world – the molecular marker perspective. Principal Investigators: Michael W.I. Schmidt and Guido L.B. Wiesenberg, University of Zurich, Switzerland (2017-2020)
Summary - Mast seeding patterns in response to climate change. Principal Investigator: Jalene M. LaMontagne, DePaul University, (2017-present)
Summary - Measuring the surface-atmosphere exchange budgets of CO2 and CH4 from peatlands using micro-meteorological flux measurements. Principal Investigator: M. Julian Deventer, University of Minnesota. (2017-present)
Summary - Nitrogen fixation and its coupling to methane dynamics in the peat moss (Sphagnum) phytobiome of northern peatlands. Principal Investigator: Joel Kostka, Georgia Institute of Technology. (2018-present)
Summary