Skip to main content
U.S. flag

An official website of the United States government

Colleen Iversen

Defrenne CE, Childs J, Fernandez CW, Taggart M, Nettles R, Allen MF, Hanson PJ, Iversen CM. 2020. High‐resolution minirhizotrons advance our understanding of root‐fungal dynamics in an experimentally warmed peatland. PLANTS, PEOPLE, PLANET. 3(5):640–652. doi:10.1002/ppp3.10172.
View
Malhotra A, Brice DJ, Childs J, Graham JD, Hobbie EA, Vander Stel H, Feron SC, Hanson PJ, Iversen CM. 2020. Peatland warming strongly increases fine-root growth. Proceedings of the National Academy of Sciences. 117(30):17627–17634. doi:10.1073/pnas.2003361117.
View
Carrell AA, Kolton M, Glass JB, Pelletier DA, Kostka JE, Iversen CM, Weston DJ. 2019. Experimental warming alters the community composition, diversity, and N2 fixation activity of peat moss (Sphagnum fallax) microbiomes. Global Change Biology. 25(9):2993–3004. doi:10.1111/gcb.14715.
View
Hanson PJ, Griffiths NA, Iversen CM, Norby RJ, Sebestyen SD, Phillips JR, Chanton JP, Kolka RK, Malhotra A, Oleheiser KC, et al. 2020. Rapid Net Carbon Loss From a Whole‐Ecosystem Warmed Peatland. AGU Advances. 1(3). doi:10.1029/2020av000163.
View
Griffiths NA, Hanson PJ, Ricciuto DM, Iversen CM, Jensen AM, Malhotra A, McFarlane KJ, Norby RJ, Sargsyan K, Sebestyen SD, et al. 2017. Temporal and Spatial Variation in Peatland Carbon Cycling and Implications for Interpreting Responses of an Ecosystem-Scale Warming Experiment. Soil Science Society of America Journal. 81(6):1668–1688. doi:10.2136/sssaj2016.12.0422.
View
Hobbie EA, Chen J, Hanson PJ, Iversen CM, McFarlane KJ, Thorp NR, Hofmockel KS. 2017. Long-term carbon and nitrogen dynamics at SPRUCE revealed through stable isotopes in peat profiles. Biogeosciences. 14(9):2481–2494. doi:10.5194/bg-14-2481-2017.
View
Iversen CM, Childs J, Norby RJ, Ontl TA, Kolka RK, Brice DJ, McFarlane KJ, Hanson PJ. 2017. Fine-root growth in a forested bog is seasonally dynamic, but shallowly distributed in nutrient-poor peat. Plant and Soil. 424(1-2):123–143. doi:10.1007/s11104-017-3231-z.
View
Tfaily MM, Cooper WT, Kostka JE, Chanton PR, Schadt CW, Hanson PJ, Iversen CM, Chanton JP. 2014. Organic matter transformation in the peat column at Marcell Experimental Forest: Humification and vertical stratification. Journal of Geophysical Research: Biogeosciences. 119(4):661–675. doi:10.1002/2013jg002492.
View

Participant Information

Publications

2024

  1. Seethepalli A, Ottley C, Childs J, Cope K, Fine A, Lagergren J, Kalluri U, Iversen CM, York L. 2024. Divide and conquer: Using RhizoVision Explorer to aggregate data from multiple root scans using image concatenation and statistical methods. New Phytologist . 244:5, 2101–2108. doi:10.1111/nph.20151.
  2. Duchesneau K, Defrenne CE, Petro C, Malhotra A, Moore J, Childs J, Hanson PJ, Iversen CM, Kostka JE. 2024. Responses of vascular plant fine roots and associated microbial communities to whole-ecosystem warming and elevated CO2 in northern peatlands. New Phytologist . 244:1333–1347. doi:10.1111/nph.19690.
  3. Duchesneau K, Defrenne CE, Petro C, Malhotra A, Moore J, Childs J, Hanson PJ, Iversen CM, Kostka JE. 2024. Responses of vascular plant fine roots and associated microbial communities to whole-ecosystem warming and elevated CO2 in northern peatlands. New Phytologist. 242:1333–1347. doi:10.1111/nph.19690.

2023

  1. Petro C, Carrell AA, Wilson RM, Duchesneau K, Noble-Kuchera S, Song T, Iversen CM, Childs J, Schwaner G, Chanton JP, et al. 2023. Climate drivers alter nitrogen availability in surface peat and decouple N2 fixation from CH4 oxidation in the Sphagnum moss microbiome. . Global Change Biology . 29:3159–76. doi:10.1111/gcb.16651.
  2. Ofiti NOE, Schmidt MWI, Abiven S, Hanson PJ, Iversen CM, Wilson RM, Kostka JE, Wiesenberg GLB, Malhotra A. 2023. Climate warming and elevated CO2 alter peatland soil carbon sources and stability. Nature Communications . 14:7533. doi:10.1038/s41467-023-43410-z.
  3. Ma S, Jiang L, Wilson RM, Chanton JP, Niu S, Iversen CM, Malhotra A, Jiang J, Huang Y, Lu X, et al. 2023. Thermal acclimation of plant photosynthesis and autotrophic respiration in a northern peatland. Environmental Research Climate . 2:025003. doi:10.1088/2752-5295/acc67e.

2022

  1. Ma S, Jiang L, Wilson RM, Chanton JP, Bridgham SD, Niu S, Iversen CM, Malhotra A, Jiang J, Lu X, et al. 2022. Evaluating alternative ebullition models for predicting peatland methane emission and its pathways via data–model fusion. Biogeosciences. 19(8):2245–2262. doi:10.5194/bg-19-2245-2022.
  2. Iversen CM, Latimer JM, Brice DJ, Childs J, Vander Stel H, Defrenne CE, Graham JD, Griffiths NA, Malhotra A, Norby RJ, et al. 2022. Whole-Ecosystem Warming Increases Plant-Available Nitrogen and Phosphorus in an Ombrotrophic Bog. Ecosystems. doi:10.1007/s10021-022-00744-x.

2021

  1. Shelley SJ, Brice DJ, Iversen CM, Kolka RK, Sebestyen SD, Griffiths NA. 2021. Deciphering the shifting role of intrinsic and extrinsic drivers on moss decomposition in peatlands over a 5‐year period. Oikos. 2022(1). doi:10.1111/oik.08584.
  2. Salmon VG, Brice DJ, Bridgham SD, Childs J, Graham JD, Griffiths NA, Hofmockel KS, Iversen CM, Jicha TM, Kolka RK, et al. 2021. Nitrogen and phosphorus cycling in an ombrotrophic peatland: a benchmark for assessing change. Plant and Soil. 466(1-2):649–674. doi:10.1007/s11104-021-05065-x.
  3. Salmon VG, Brice DJ, Bridgham SD, Childs J, Graham JD, Griffiths NA, Hofmockel KS, Iversen CM, Jicha TM, Kolka RK, et al. 2021. Nitrogen and phosphorus cycling in an ombrotrophic peatland: a benchmark for assessing change. Plant and Soil. 466(1-2):649–674. doi:10.1007/s11104-021-05065-x.

2020

  1. Defrenne CE, Childs J, Fernandez CW, Taggart M, Nettles R, Allen MF, Hanson PJ, Iversen CM. 2020. High‐resolution minirhizotrons advance our understanding of root‐fungal dynamics in an experimentally warmed peatland. PLANTS, PEOPLE, PLANET. 3(5):640–652. doi:10.1002/ppp3.10172.
  2. Malhotra A, Brice DJ, Childs J, Graham JD, Hobbie EA, Vander Stel H, Feron SC, Hanson PJ, Iversen CM. 2020. Peatland warming strongly increases fine-root growth. Proceedings of the National Academy of Sciences. 117(30):17627–17634. doi:10.1073/pnas.2003361117.
  3. Hanson PJ, Griffiths NA, Iversen CM, Norby RJ, Sebestyen SD, Phillips JR, Chanton JP, Kolka RK, Malhotra A, Oleheiser KC, et al. 2020. Rapid Net Carbon Loss From a Whole‐Ecosystem Warmed Peatland. AGU Advances. 1(3). doi:10.1029/2020av000163.

2019

  1. Carrell AA, Kolton M, Glass JB, Pelletier DA, Kostka JE, Iversen CM, Weston DJ. 2019. Experimental warming alters the community composition, diversity, and N2 fixation activity of peat moss (Sphagnum fallax) microbiomes. Global Change Biology. 25(9):2993–3004. doi:10.1111/gcb.14715.

2017

  1. Iversen CM, Childs J, Norby RJ, Ontl TA, Kolka RK, Brice DJ, McFarlane KJ, Hanson PJ. 2017. Fine-root growth in a forested bog is seasonally dynamic, but shallowly distributed in nutrient-poor peat. Plant and Soil. 424(1-2):123–143. doi:10.1007/s11104-017-3231-z.
  2. Hobbie EA, Chen J, Hanson PJ, Iversen CM, McFarlane KJ, Thorp NR, Hofmockel KS. 2017. Long-term carbon and nitrogen dynamics at SPRUCE revealed through stable isotopes in peat profiles. Biogeosciences. 14(9):2481–2494. doi:10.5194/bg-14-2481-2017.
  3. Griffiths NA, Hanson PJ, Ricciuto DM, Iversen CM, Jensen AM, Malhotra A, McFarlane KJ, Norby RJ, Sargsyan K, Sebestyen SD, et al. 2017. Temporal and Spatial Variation in Peatland Carbon Cycling and Implications for Interpreting Responses of an Ecosystem-Scale Warming Experiment. Soil Science Society of America Journal. 81(6):1668–1688. doi:10.2136/sssaj2016.12.0422.

2014

  1. Tfaily MM, Cooper WT, Kostka JE, Chanton PR, Schadt CW, Hanson PJ, Iversen CM, Chanton JP. 2014. Organic matter transformation in the peat column at Marcell Experimental Forest: Humification and vertical stratification. Journal of Geophysical Research: Biogeosciences. 119(4):661–675. doi:10.1002/2013jg002492.

mnspruce.ornl.gov

An official website of the U.S. Department of Energy and the USDA Forest Service

Looking for U.S. government information and services?
Visit USA.gov