Personal information

Activities

Employment (1)

Oak Ridge National Laboratory: Oak Ridge, TN, US

1996-08-01 to present
Employment
Source: Self-asserted source
Joanne Childs

Education and qualifications (1)

University of Tennessee Knoxville: Knoxville, TN, US

1996-09-01 to 2000-10-01
Education
Source: Self-asserted source
Joanne Childs

Works (21)

Divide and conquer: using RhizoVision Explorer to aggregate data from multiple root scans using image concatenation and statistical methods

New Phytologist
2024-12 | Journal article
Contributors: Anand Seethepalli; Chanae Ottley; Joanne Childs; Kevin R. Cope; Aubrey K. Fine; John H. Lagergren; Udaya Kalluri; Colleen M. Iversen; Larry M. York
Source: check_circle
Crossref

Getting allometry right at the Oak Ridge free‐air CO2 enrichment experiment: Old problems and new opportunities for global change experiments

PLANTS, PEOPLE, PLANET
2024-11 | Journal article
Contributors: Richard J. Norby; Jeffrey M. Warren; Colleen M. Iversen; Anthony P. Walker; Joanne Childs
Source: check_circle
Crossref

Responses of vascular plant fine roots and associated microbial communities to whole‐ecosystem warming and elevated CO2 in northern peatlands

New Phytologist
2024-05 | Journal article
Contributors: Katherine Duchesneau; Camille E. Defrenne; Caitlin Petro; Avni Malhotra; Jessica A. M. Moore; Joanne Childs; Paul J. Hanson; Colleen M. Iversen; Joel E. Kostka
Source: check_circle
Crossref

Climate drivers alter nitrogen availability in surface peat and decouple N2 fixation from CH4 oxidation in the Sphagnum moss microbiome

Global Change Biology
2023-06 | Journal article
Contributors: Caitlin Petro; Alyssa A. Carrell; Rachel M. Wilson; Katherine Duchesneau; Sekou Noble‐Kuchera; Tianze Song; Colleen M. Iversen; Joanne Childs; Geoff Schwaner; Jeffrey P. Chanton et al.
Source: check_circle
Crossref

Whole-Ecosystem Warming Increases Plant-Available Nitrogen and Phosphorus in an Ombrotrophic Bog

Ecosystems
2023-01 | Journal article
Contributors: Colleen M. Iversen; John Latimer; Deanne J. Brice; Joanne Childs; Holly M. Vander Stel; Camille E. Defrenne; Jake Graham; Natalie A. Griffiths; Avni Malhotra; Richard J. Norby et al.
Source: check_circle
Crossref

Peatland warming strongly increases fine-root growth

Proceedings of the National Academy of Sciences
2020-07-28 | Journal article
Contributors: Avni Malhotra; Deanne J. Brice; Joanne Childs; Jake D. Graham; Erik A. Hobbie; Holly Vander Stel; Sarah C. Feron; Paul J. Hanson; Colleen M. Iversen
Source: check_circle
Crossref

Rapid loss of an ecosystem engineer: Sphagnum decline in an experimentally warmed bog

Ecology and Evolution
2019-11 | Journal article
Contributors: Richard J. Norby; Joanne Childs; Paul J. Hanson; Jeffrey M. Warren
Source: check_circle
Crossref

Controls on Fine-Scale Spatial and Temporal Variability of Plant-Available Inorganic Nitrogen in a Polygonal Tundra Landscape

Ecosystems
2018 | Journal article
EID:

2-s2.0-85051551563

Contributors: Norby, R.J.; Sloan, V.L.; Iversen, C.M.; Childs, J.
Source: Self-asserted source
Joanne Childs via Scopus - Elsevier

Fine-root growth in a forested bog is seasonally dynamic, but shallowly distributed in nutrient-poor peat

Plant and Soil
2018 | Journal article
EID:

2-s2.0-85016432435

Contributors: Iversen, C.M.; Childs, J.; Norby, R.J.; Ontl, T.A.; Kolka, R.K.; Brice, D.J.; McFarlane, K.J.; Hanson, P.J.
Source: Self-asserted source
Joanne Childs via Scopus - Elsevier

Root and rhizosphere bacterial phosphatase activity varies with tree species and soil phosphorus availability in puerto rico tropical forest

Frontiers in Plant Science
2017 | Journal article
EID:

2-s2.0-85034056140

Contributors: Cabugao, K.G.; Timm, C.M.; Carrell, A.A.; Childs, J.; Lu, T.-Y.S.; Pelletier, D.A.; Weston, D.J.; Norby, R.J.
Source: Self-asserted source
Joanne Childs via Scopus - Elsevier

Needle age and season influence photosynthetic temperature response and total annual carbon uptake in mature Picea mariana trees

Annals of Botany
2015 | Journal article
EID:

2-s2.0-84943533953

Contributors: Jensen, A.M.; Warren, J.M.; Hanson, P.J.; Childs, J.; Wullschleger, S.D.
Source: Self-asserted source
Joanne Childs via Scopus - Elsevier

Advancing the use of minirhizotrons in wetlands

Plant and Soil
2012 | Journal article
EID:

2-s2.0-84858002812

Contributors: Iversen, C.M.; Murphy, M.T.; Allen, M.F.; Childs, J.; Eissenstat, D.M.; Lilleskov, E.A.; Sarjala, T.M.; Sloan, V.L.; Sullivan, P.F.
Source: Self-asserted source
Joanne Childs via Scopus - Elsevier

Timing and magnitude of C partitioning through a young loblolly pine (Pinus taeda L.) stand using <sup>13</sup>C labeling and shade treatments

Tree Physiology
2012 | Journal article
EID:

2-s2.0-84862978219

Contributors: Warren, J.M.; Iversen, C.M.; Garten Jr., C.T.; Norby, R.J.; Childs, J.; Brice, D.; Evans, R.M.; Gu, L.; Thornton, P.; Weston, D.J.
Source: Self-asserted source
Joanne Childs via Scopus - Elsevier

CO<inf>2</inf> enrichment increases carbon and nitrogen input from fine roots in a deciduous forest

New Phytologist
2008 | Journal article
EID:

2-s2.0-48249105845

Contributors: Iversen, C.M.; Ledford, J.; Norby, R.J.
Source: Self-asserted source
Joanne Childs via Scopus - Elsevier

Increases in nitrogen uptake rather than nitrogen-use efficiency support higher rates of temperate forest productivity under elevated CO<inf>2</inf>

Proceedings of the National Academy of Sciences of the United States of America
2007 | Journal article
EID:

2-s2.0-35348893206

Contributors: Finzi, A.C.; Norby, R.J.; Calfapietra, C.; Gallet-Budynek, A.; Gielen, B.; Holmes, W.E.; Hoosbeek, M.R.; Iversen, C.M.; Jackson, R.B.; Kubiske, M.E. et al.
Source: Self-asserted source
Joanne Childs via Scopus - Elsevier

Responses of soil respiration to elevated CO<inf>2</inf>, air warming, and changing soil water availability in a model old-field grassland

Global Change Biology
2007 | Journal article
EID:

2-s2.0-35348915634

Contributors: Wan, S.; Norby, R.J.; Ledford, J.; Weltzin, J.F.
Source: Self-asserted source
Joanne Childs via Scopus - Elsevier

Temperature-independent diel variation in soil respiration observed from a temperate deciduous forest

Global Change Biology
2006 | Journal article
EID:

2-s2.0-33749850943

Contributors: Liu, Q.; Edwards, N.T.; Post, W.M.; Gu, L.; Ledford, J.; Lenhart, S.
Source: Self-asserted source
Joanne Childs via Scopus - Elsevier

Forest response to elevated CO2 is conserved across a broad range of productivity

Proceedings of the National Academy of Sciences of the United States of America
2005 | Journal article
EID:

2-s2.0-29144495551

Contributors: Norby, R.J.; DeLucia, E.H.; Gielen, B.; Calfapietra, C.; Giardina, C.P.; Kings, J.S.; Ledford, J.; McCarthy, H.R.; Moore, D.J.P.; Ceulemans, R. et al.
Source: Self-asserted source
Joanne Childs via Scopus - Elsevier

CO<inf>2</inf> enrichment and warming of the atmosphere enhance both productivity and mortality of maple tree fine roots

New Phytologist
2004 | Journal article
EID:

2-s2.0-1942475416

Contributors: Wan, S.; Norby, R.J.; Pregitzer, K.S.; Ledford, J.; O'Neill, E.G.
Source: Self-asserted source
Joanne Childs via Scopus - Elsevier

Fine-root production dominates response of a deciduous forest to atmospheric CO2 enrichment

Proceedings of the National Academy of Sciences of the United States of America
2004 | Journal article
EID:

2-s2.0-3042795868

Contributors: Norby, R.J.; Ledford, J.; Reilly, C.D.; Miller, N.E.; O'Neill, E.G.
Source: Self-asserted source
Joanne Childs via Scopus - Elsevier

Acute seasonal drought does not permanently alter mass loss and nitrogen dynamics during decomposition of red maple (Acer rubrum L.) litter

Global Change Biology
2003 | Journal article
EID:

2-s2.0-0037241571

Contributors: O'Neill, E.G.; Johnson, D.W.; Ledford, J.; Todd, D.E.
Source: Self-asserted source
Joanne Childs via Scopus - Elsevier