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Xanthe Walker
Xanthe Walker
Verified email at nau.edu
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Year
Plot-scale evidence of tundra vegetation change and links to recent summer warming
SC Elmendorf, GHR Henry, RD Hollister, RG Björk, N Boulanger-Lapointe, ...
Nature climate change 2 (6), 453-457, 2012
8282012
Increasing wildfires threaten historic carbon sink of boreal forest soils
XJ Walker, JL Baltzer, SG Cumming, NJ Day, C Ebert, S Goetz, ...
Nature 572 (7770), 520-523, 2019
2202019
Stable carbon isotope analysis reveals widespread drought stress in boreal black spruce forests
XJ Walker, MC Mack, JF Johnstone
Global Change Biology 21 (8), 3102-3113, 2015
1112015
Widespread negative correlations between black spruce growth and temperature across topographic moisture gradients in the boreal forest
X Walker, JF Johnstone
Environmental Research Letters 9 (6), 064016, 2014
892014
Cross‐scale controls on carbon emissions from boreal forest megafires
XJ Walker, BM Rogers, JL Baltzer, SG Cumming, NJ Day, SJ Goetz, ...
Global Change Biology 24 (9), 4251-4265, 2018
672018
Wildfire severity reduces richness and alters composition of soil fungal communities in boreal forests of western Canada
NJ Day, KE Dunfield, JF Johnstone, MC Mack, MR Turetsky, XJ Walker, ...
Global change biology 25 (7), 2310-2324, 2019
652019
Postfire seed rain of black spruce, a semiserotinous conifer, in forests of interior Alaska
J Johnstone, L Boby, E Tissier, M Mack, D Verbyla, X Walker
Canadian Journal of Forest Research 39 (8), 1575-1588, 2009
592009
Carbon loss from boreal forest wildfires offset by increased dominance of deciduous trees
MC Mack, XJ Walker, JF Johnstone, HD Alexander, AM Melvin, M Jean, ...
Science 372 (6539), 280-283, 2021
472021
Soil organic layer combustion in boreal black spruce and jack pine stands of the Northwest Territories, Canada
XJ Walker, JL Baltzer, SG Cumming, NJ Day, JF Johnstone, BM Rogers, ...
International Journal of Wildland Fire 27 (2), 125-134, 2018
442018
Reproduction as a bottleneck to treeline advance across the circumarctic forest tundra ecotone
CD Brown, G Dufour‐Tremblay, RG Jameson, SD Mamet, AJ Trant, ...
Ecography 42 (1), 137-147, 2019
392019
Fuel availability not fire weather controls boreal wildfire severity and carbon emissions
XJ Walker, BM Rogers, S Veraverbeke, JF Johnstone, JL Baltzer, ...
Nature Climate Change 10 (12), 1130-1136, 2020
362020
Reproduction and seedling establishment of Picea glauca across the northernmost forest‐tundra region in Canada
X Walker, GHR Henry, K McLeod, A Hofgaard
Global Change Biology 18 (10), 3202-3211, 2012
352012
Increasing fire and the decline of fire adapted black spruce in the boreal forest
JL Baltzer, NJ Day, XJ Walker, D Greene, MC Mack, HD Alexander, ...
Proceedings of the National Academy of Sciences 118 (45), e2024872118, 2021
332021
Wildfire combustion and carbon stocks in the southern Canadian boreal forest: Implications for a warming world
CM Dieleman, BM Rogers, S Potter, S Veraverbeke, JF Johnstone, ...
Global change biology 26 (11), 6062-6079, 2020
322020
Predicting ecosystem resilience to fire from tree ring analysis in black spruce forests
XJ Walker, MC Mack, JF Johnstone
Ecosystems 20 (6), 1137-1150, 2017
232017
Impacts of climate and insect herbivory on productivity and physiology of trembling aspen (Populus tremuloides) in Alaskan boreal forests
MA Boyd, LT Berner, P Doak, SJ Goetz, BM Rogers, D Wagner, XJ Walker, ...
Environmental Research Letters 14 (8), 085010, 2019
212019
Direct and longer-term carbon emissions from arctic-boreal fires: A short review of recent advances
S Veraverbeke, CJF Delcourt, E Kukavskaya, M Mack, X Walker, T Hessilt, ...
Current Opinion in Environmental Science & Health 23, 100277, 2021
192021
Climate change decreases the cooling effect from postfire albedo in boreal North America
S Potter, K Solvik, A Erb, SJ Goetz, JF Johnstone, MC Mack, ...
Global change biology 26 (3), 1592-1607, 2020
182020
Reproductive limitation mediates the response of white spruce (Picea glauca) to climate warming across the forest–tundra ecotone
TC Lantz, ND Moffat, RH Fraser, X Walker
Arctic Science 5 (4), 167-184, 2019
172019
Fire characteristics and environmental conditions shape plant communities via regeneration strategy
NJ Day, AL White, JF Johnstone, GÉ Degré‐Timmons, SG Cumming, ...
Ecography 43 (10), 1464-1474, 2020
142020
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