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ResearcherID: K-1649-2019
Scopus Author ID: 33568447100

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Works (42)

Factors limiting the potential range expansion of lodgepole pine in Interior Alaska

Ecological Applications
2024 | Journal article
DOI: 10.1002/EAP.2983
WOSUID: WOS:001239804400001
Contributors: Walker, Xanthe J.; Hart, Sarah; Hansen, Winslow D.; Jean, Melanie; Brown, Carissa D.; Chapin III, F. Stuart; Hewitt, Rebecca; Hollingsworth, Teresa N.; Mack, Michelle C.; Johnstone, Jill F.
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The predictability of near-term forest biomass change in boreal North America

Ecosphere
2024 | Journal article
DOI: 10.1002/ECS2.4737
WOSUID: WOS:001141215300001
Contributors: Burrell, Arden L.; Cooperdock, Sol; Potter, Stefano; Berner, Logan T.; Hember, Robert; Macander, Matthew J.; Walker, Xanthe J.; Massey, Richard; Foster, Adrianna C.; Mack, Michelle C. et al.
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Black spruce (Picea mariana) seed availability and viability in boreal forests after large wildfires

Annals of Forest Science
2023 | Journal article
DOI: 10.1186/S13595-022-01166-4
WOSUID: WOS:000919769000001
Contributors: Reid, Kirsten A.; Day, Nicola J.; Alfaro-Sanchez, Raquel; Johnstone, Jill F.; Cumming, Steven G.; Mack, Michelle C.; Turetsky, Merritt R.; Walker, Xanthe J.; Baltzer, Jennifer L.
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Decadal impacts of wildfire fuel reduction treatments on ecosystem characteristics and fire behavior in alaskan boreal forests

Forest Ecology and Management
2023 | Journal article
DOI: 10.1016/J.FORECO.2023.121347
WOSUID: WOS:001080546400001
Contributors: Boyd, Melissa A.; Walker, Xanthe J.; Barnes, Jennifer; Celis, Gerardo; Goetz, Scott J.; Johnstone, Jill F.; Link, Nicholas T.; Melvin, April M.; Saperstein, Lisa; Schuur, Edward A. G. et al.
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Drivers of legacy soil organic matter decomposition after fire in boreal forests

Ecosphere
2023 | Journal article
DOI: 10.1002/ECS2.4672
WOSUID: WOS:001101672900001
Contributors: Izbicki, Brian; Walker, Xanthe J.; Baltzer, Jennifer L.; Day, Nicola J.; Ebert, Christopher; Johnstone, Jill F.; Pegoraro, Elaine; Schuur, Edward A. G.; Turetsky, Merritt R.; Mack, Michelle C.
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Forest composition change and biophysical climate feedbacks across boreal North America

Nature Climate Change
2023 | Journal article
DOI: 10.1038/S41558-023-01851-W
WOSUID: WOS:001087062600002
Contributors: Massey, Richard; Rogers, Brendan M.; Berner, Logan T.; Cooperdock, Sol; Mack, Michelle C.; Walker, Xanthe J.; Goetz, Scott J.
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Material Legacies and Environmental Constraints Underlie Fire Resilience of a Dominant Boreal Forest Type

Ecosystems
2023 | Journal article
DOI: 10.1007/S10021-022-00772-7
WOSUID: WOS:000818621500002
Contributors: Day, Nicola J.; Johnstone, Jill F.; Reid, Kirsten A.; Cumming, Steven G.; Mack, Michelle C.; Turetsky, Merritt R.; Walker, Xanthe J.; Baltzer, Jennifer L.
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Post-fire Recovery of Soil Organic Layer Carbon in Canadian Boreal Forests

Ecosystems
2023 | Journal article
DOI: 10.1007/S10021-023-00854-0
WOSUID: WOS:001019274500002
Contributors: Bill, Kristen E.; Dieleman, Catherine M.; Baltzer, Jennifer L.; Degre-Timmons, Genevieve E.; Mack, Michelle C.; Day, Nicola J.; Cumming, Steve G.; Walker, Xanthe J.; Turetsky, Merritt R.
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Shifts in Ecological Legacies Support Hysteresis of Stand Type Conversions in Boreal Forests

Ecosystems
2023 | Journal article
DOI: 10.1007/S10021-023-00866-W
WOSUID: WOS:001034500600002
Contributors: Walker, X. J.; Okano, K.; Berner, L. T.; Massey, R.; Goetz, S. J.; Johnstone, J. F.; Mack, M. C.
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The influence of postfire recovery and environmental conditions on boreal vegetation

Ecosphere
2023 | Journal article
DOI: 10.1002/ECS2.4605
WOSUID: WOS:001032833300001
Contributors: Jorgensen, Alexis Gardiner; Alfaro-Sanchez, Raquel; Cumming, Steven G.; White, Alison L.; Degre-Timmons, Genevieve eliane; Day, Nicola; Turetsky, Merritt; Johnstone, Jill F.; Walker, Xanthe J.; Baltzer, Jennifer L.
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Bottom-up drivers of future fire regimes in western boreal North America

Environmental Research Letters
2022 | Journal article
DOI: 10.1088/1748-9326/AC4C1E
WOSUID: WOS:000748050300001
Contributors: Foster, Adrianna C.; Shuman, Jacquelyn K.; Rogers, Brendan M.; Walker, Xanthe J.; Mack, Michelle C.; Bourgeau-Chavez, Laura L.; Veraverbeke, Sander; Goetz, Scott J.
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Increasing tree density accelerates stand-level nitrogen cycling at the taiga-tundra ecotone in northeastern Siberia

Ecosphere
2022 | Journal article
DOI: 10.1002/ECS2.4175
WOSUID: WOS:000830129300001
Contributors: Hewitt, Rebecca E.; Alexander, Heather D.; Izbicki, Brian; Loranty, Michael M.; Natali, Susan M.; Walker, Xanthe J.; Mack, Michelle C.
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Plant foliar nutrient response to active layer and water table depth in warming permafrost soils

Journal of Ecology
2022 | Journal article
DOI: 10.1111/1365-2745.13864
WOSUID: WOS:000770873900001
Contributors: Jasinski, Briana L.; Hewitt, Rebecca E.; Mauritz, Marguerite; Miller, Samantha N.; Schuur, Edward A. G.; Taylor, Meghan A.; Walker, Xanthe J.; Mack, Michelle C.
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What Drives Reproductive Maturity and Efficiency in Serotinous Boreal Conifers?

Frontiers in Ecology and Evolution
2022 | Journal article
DOI: 10.3389/FEVO.2022.869130
WOSUID: WOS:000838934600001
Contributors: Alfaro-Sanchez, Raquel; Johnstone, Jill F.; Cumming, Steve G.; Day, Nicola J.; Mack, Michelle C.; Walker, Xanthe J.; Baltzer, Jennifer L.
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Carbon loss from boreal forest wildfires offset by increased dominance of deciduous trees

Science
2021 | Journal article
DOI: 10.1126/SCIENCE.ABF3903
WOSUID: WOS:000641286700038
Contributors: Mack, Michelle C.; Walker, Xanthe J.; Johnstone, Jill F.; Alexander, Heather D.; Melvin, April M.; Jean, Melanie; Miller, Samantha N.
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Direct and longer-term carbon emissions from arctic-boreal fires: A short review of recent advances

Current Opinion in Environmental Science & Health
2021 | Journal article
DOI: 10.1016/J.COESH.2021.100277
WOSUID: WOS:000700117900006
Contributors: Veraverbeke, Sander; Delcourt, Clement J. F.; Kukavskaya, Elena; Mack, Michelle; Walker, Xanthe; Hessilt, Thomas; Rogers, Brendan; Scholten, Rebecca C.
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Historic declines in growth portend trembling aspen death during a contemporary leaf miner outbreak in Alaska

Ecosphere
2021 | Journal article
DOI: 10.1002/ECS2.3569
WOSUID: WOS:000667707100037
Contributors: Boyd, Melissa A.; Berner, Logan T.; Foster, Adrianna C.; Goetz, Scott J.; Rogers, Brendan M.; Walker, Xanthe J.; Mack, Michelle C.
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Identifying Functional Impacts of Heat-Resistant Fungi on Boreal Forest Recovery After Wildfire (vol 3, 68, 2020)

Frontiers in Forests and Global Change
2021 | Journal article
DOI: 10.3389/FFGC.2021.739486
WOSUID: WOS:000692882700001
Contributors: Day, Nicola J.; Cumming, Steven G.; Dunfield, Kari E.; Johnstone, Jill F.; Mack, Michelle C.; Reid, Kirsten A.; Turetsky, Merritt R.; Walker, Xanthe J.; Baltzer, Jennifer L.
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Impacts of pre-fire conifer density and wildfire severity on ecosystem structure and function at the forest-tundra ecotone

Plos One
2021 | Journal article
DOI: 10.1371/JOURNAL.PONE.0258558
WOSUID: WOS:000755563200023
Contributors: Walker, Xanthe J.; Howard, Brain K.; Jean, Melanie; Johnstone, Jill F.; Roland, Carl; Rogers, Brendan M.; Schuur, Edward A. G.; Solvik, Kylen K.; Mack, Michelle C.
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Increasing fire and the decline of fire adapted black spruce in the boreal forest

Proceedings of the National Academy of Sciences
2021 | Journal article
DOI: 10.1073/PNAS.2024872118
WOSUID: WOS:000720926900004
Contributors: Baltzer, Jennifer L.; Day, Nicola J.; Walker, Xanthe J.; Greene, David; Mack, Michelle C.; Alexander, Heather D.; Arseneault, Dominique; Barnes, Jennifer; Bergeron, Yves; Boucher, Yan et al.
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Positive response of tree productivity to warming is reversed by increased tree density at the Arctic tundra-taiga ecotone

Canadian Journal of Forest Research
2021 | Journal article
DOI: 10.1139/CJFR-2020-0466
WOSUID: WOS:000692990000015
Contributors: Walker, X. J.; Alexander, H. D.; Berner, L. T.; Boyd, M. A.; Loranty, M. M.; Natali, S. M.; Mack, M. C.
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SoDaH: the SOils DAta Harmonization database, an open-source synthesis of soil data from research networks, version 1.0

Earth System Science Data
2021 | Journal article
DOI: 10.5194/ESSD-13-1843-2021
WOSUID: WOS:000648482400001
Contributors: Wieder, William R.; Pierson, Derek; Earl, Stevan; Lajtha, Kate; Baer, Sara G.; Ballantyne, Ford; Berhe, Asmeret Asefaw; Billings, Sharon A.; Brigham, Laurel M.; Chacon, Stephany S. et al.
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Climate change decreases the cooling effect from postfire albedo in boreal North America

Global Change Biology
2020 | Journal article
DOI: 10.1111/GCB.14888
WOSUID: WOS:000497121000001
Contributors: Potter, Stefano; Solvik, Kylen; Erb, Angela; Goetz, Scott J.; Johnstone, Jill F.; Mack, Michelle C.; Randerson, James T.; Roman, Miguel O.; Schaaf, Crystal L.; Turetsky, Merritt R. et al.
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Fire characteristics and environmental conditions shape plant communities via regeneration strategy

Ecography
2020 | Journal article
DOI: 10.1111/ECOG.05211
WOSUID: WOS:000552511000001
Contributors: Day, Nicola J.; White, Alison L.; Johnstone, Jill F.; Degre-Timmons, Genevieve E.; Cumming, Steven G.; Mack, Michelle C.; Turetsky, Merritt R.; Walker, Xanthe J.; Baltzer, Jennifer L.
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Fuel availability not fire weather controls boreal wildfire severity and carbon emissions

Nature Climate Change
2020 | Journal article
DOI: 10.1038/S41558-020-00920-8
WOSUID: WOS:000577051800002
Contributors: Walker, X. J.; Rogers, B. M.; Veraverbeke, S.; Johnstone, J. F.; Baltzer, J. L.; Barrett, K.; Bourgeau-Chavez, L.; Day, N. J.; de Groot, W. J.; Dieleman, C. M. et al.
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Identifying Functional Impacts of Heat-Resistant Fungi on Boreal Forest Recovery After Wildfire

Frontiers in Forests and Global Change
2020 | Journal article
DOI: 10.3389/FFGC.2020.00068
WOSUID: WOS:000543483400001
Contributors: Day, Nicola J.; Cumming, Steven G.; Dunfield, Kari E.; Johnstone, Jill F.; Mack, Michelle C.; Reid, Kirsten A.; Turetsky, Merritt R.; Walker, Xanthe J.; Baltzer, Jennifer L.
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Patterns of Ecosystem Structure and Wildfire Carbon Combustion Across Six Ecoregions of the North American Boreal Forest

Frontiers in Forests and Global Change
2020 | Journal article
DOI: 10.3389/FFGC.2020.00087
WOSUID: WOS:000561532800001
Contributors: Walker, Xanthe J.; Baltzer, Jennifer L.; Bourgeau-Chavez, Laura; Day, Nicola J.; Dieleman, Catherine M.; Johnstone, Jill F.; Kane, Evan S.; Rogers, Brendan M.; Turetsky, Merritt R.; Veraverbeke, Sander et al.
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Wildfire combustion and carbon stocks in the southern Canadian boreal forest: Implications for a warming world

Global Change Biology
2020 | Journal article
DOI: 10.1111/GCB.15158
WOSUID: WOS:000539655400001
Contributors: Dieleman, Catherine M.; Rogers, Brendan M.; Potter, Stefano; Veraverbeke, Sander; Johnstone, Jill F.; Laflamme, Jocelyne; Solvik, Kylen; Walker, Xanthe J.; Mack, Michelle C.; Turetsky, Merritt R.
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Impacts of climate and insect herbivory on productivity and physiology of trembling aspen (Populus tremuloides) in Alaskan boreal forests

Environmental Research Letters
2019 | Journal article
DOI: 10.1088/1748-9326/AB215F
WOSUID: WOS:000478679300002
Contributors: Boyd, Melissa A.; Berner, Logan T.; Doak, Patricia; Goetz, Scott J.; Rogers, Brendan M.; Wagner, Diane; Walker, Xanthe J.; Mack, Michelle C.
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Increasing wildfires threaten historic carbon sink of boreal forest soils

Nature
2019 | Journal article
DOI: 10.1038/S41586-019-1474-Y
WOSUID: WOS:000482219600044
Contributors: Walker, Xanthe J.; Baltzer, Jennifer L.; Cumming, Steven G.; Day, Nicola J.; Ebert, Christopher; Goetz, Scott; Johnstone, Jill F.; Potter, Stefano; Rogers, Brendan M.; Schuur, Edward A. G. et al.
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Reproduction as a bottleneck to treeline advance across the circumarctic forest tundra ecotone

Ecography
2019 | Journal article
DOI: 10.1111/ECOG.03733
WOSUID: WOS:000454810100013
Contributors: Brown, Carissa D.; Dufour-Tremblay, Genevieve; Jameson, Ryan G.; Mamet, Steven D.; Trant, Andrew J.; Walker, Xanthe J.; Boudreau, Stephane; Harper, Karen A.; Henry, Gregory H. R.; Hermanutz, Luise et al.
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Reproductive limitation mediates the response of white spruce (Picea glauca) to climate warming across the forest-tundra ecotone

Arctic Science
2019 | Journal article
DOI: 10.1139/AS-2018-0012
WOSUID: WOS:000500736600001
Contributors: Lantz, Trevor C.; Moffat, Nina D.; Fraser, Robert H.; Walker, Xanthe
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Wildfire severity reduces richness and alters composition of soil fungal communities in boreal forests of western Canada

Global Change Biology
2019 | Journal article
DOI: 10.1111/GCB.14641
WOSUID: WOS:000477087100011
Contributors: Day, Nicola J.; Dunfield, Kari E.; Johnstone, Jill F.; Mack, Michelle C.; Turetsky, Merritt R.; Walker, Xanthe J.; White, Alison L.; Baltzer, Jennifer L.
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Soil organic layer combustion in boreal black spruce and jack pine stands of the Northwest Territories, Canada

International Journal of Wildland Fire
2018 | Journal article
DOI: 10.1071/WF17095
EID:

2-s2.0-85042555094
Contributors: Walker, X.J.; Baltzer, J.L.; Cumming, S.G.; Day, N.J.; Johnstone, J.F.; Rogers, B.M.; Solvik, K.; Turetsky, M.R.; Mack, M.C.
Source: Self-asserted source
Xanthe Walker via Scopus - Elsevier

Cross‐scale controls on carbon emissions from boreal forest megafires

Global Change Biology
2018-09 | Journal article
DOI: 10.1111/gcb.14287
Contributors: Xanthe J. Walker; Brendan M. Rogers; Jennifer L. Baltzer; Steven G. Cumming; Nicola J. Day; Scott J. Goetz; Jill F. Johnstone; Edward A. G. Schuur; Merritt R. Turetsky; Michelle C. Mack
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Crossref

Impacts of fire on non-native plant recruitment in black spruce forests of interior Alaska

PLoS ONE
2017 | Journal article
DOI: 10.1371/journal.pone.0171599
EID:

2-s2.0-85011536582
Contributors: Walker, X.J.; Frey, M.D.; Conway, A.J.; Jean, M.; Johnstone, J.F.
Source: Self-asserted source
Xanthe Walker via Scopus - Elsevier
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Predicting Ecosystem Resilience to Fire from Tree Ring Analysis in Black Spruce Forests

Ecosystems
2017 | Journal article
DOI: 10.1007/s10021-016-0097-5
EID:

2-s2.0-85007190199
Contributors: Walker, X.J.; Mack, M.C.; Johnstone, J.F.
Source: Self-asserted source
Xanthe Walker via Scopus - Elsevier

Stable carbon isotope analysis reveals widespread drought stress in boreal black spruce forests

Global Change Biology
2015 | Journal article
DOI: 10.1111/gcb.12893
EID:

2-s2.0-84937515975
Contributors: Walker, X.J.; Mack, M.C.; Johnstone, J.F.
Source: Self-asserted source
Xanthe Walker via Scopus - Elsevier

Widespread negative correlations between black spruce growth and temperature across topographic moisture gradients in the boreal forest

Environmental Research Letters
2014 | Journal article
DOI: 10.1088/1748-9326/9/6/064016
EID:

2-s2.0-84903643111
Contributors: Walker, X.; Johnstone, J.F.
Source: Self-asserted source
Xanthe Walker via Scopus - Elsevier

Plot-scale evidence of tundra vegetation change and links to recent summer warming

Nature Climate Change
2012 | Journal article
DOI: 10.1038/nclimate1465
EID:

2-s2.0-84861638514
Contributors: Elmendorf, S.C.; Henry, G.H.R.; Hollister, R.D.; Björk, R.G.; Boulanger-Lapointe, N.; Cooper, E.J.; Cornelissen, J.H.C.; Day, T.A.; Dorrepaal, E.; Elumeeva, T.G. et al.
Source: Self-asserted source
Xanthe Walker via Scopus - Elsevier

Reproduction and seedling establishment of Picea glauca across the northernmost forest-tundra region in Canada

Global Change Biology
2012 | Journal article
DOI: 10.1111/j.1365-2486.2012.02769.x
EID:

2-s2.0-84865865807
Contributors: Walker, X.; Henry, G.H.; Mcleod, K.; Hofgaard, A.
Source: Self-asserted source
Xanthe Walker via Scopus - Elsevier

Postfire seed rain of black spruce, a semiserotinous conifer, in forests of interior Alaska

Canadian Journal of Forest Research
2009 | Journal article
DOI: 10.1139/X09-068
EID:

2-s2.0-69249104125
Contributors: Johnstone, J.; Boby, L.; Tissier, E.; Mack, M.; Verbyla, D.; Walker, X.
Source: Self-asserted source
Xanthe Walker via Scopus - Elsevier

Peer review (15 reviews for 10 publications/grants)

Review activity for Canadian journal of forest research. (3)
Review activity for Ecology letters. (1)
Review activity for Ecology. (1)
Review activity for Ecosphere. (1)
Review activity for Écoscience. (1)
Review activity for Frontiers in ecology and the environment. (2)
Review activity for Global change biology. (2)
Review activity for International journal of wildland fire. (2)
Review activity for Journal of geophysical research. (1)
Review activity for Nature (1)
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