Rebecca E Hewitt
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Explore the profile of Rebecca E Hewitt including associated specialties, affiliations and a list of published articles.
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10
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49
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Recent Articles
1.
Dial R, Maher C, Hewitt R, Wockenfuss A, Wong R, Crawford D, et al.
Science
. 2024 Feb;
383(6685):877-884.
PMID: 38386760
Climate-induced northward advance of boreal forest is expected to lessen albedo, alter carbon stocks, and replace tundra, but where and when this advance will occur remains largely unknown. Using data...
2.
Hewitt R, DeVan M, Taylor D, Mack M
New Phytol
. 2024 Jan;
242(4):1704-1716.
PMID: 38273466
Root-associated fungi (RAF) and root traits regulate plant acquisition of nitrogen (N), which is limiting to growth in Arctic ecosystems. With anthropogenic warming, a new N source from thawing permafrost...
3.
Dial R, Maher C, Hewitt R, Sullivan P
Nature
. 2022 Aug;
608(7923):546-551.
PMID: 35948635
Unprecedented modern rates of warming are expected to advance boreal forest into Arctic tundra, thereby reducing albedo, altering carbon cycling and further changing climate, yet the patterns and processes of...
4.
Ernakovich J, Barbato R, Rich V, Schadel C, Hewitt R, Doherty S, et al.
Glob Chang Biol
. 2022 Jun;
28(17):5007-5026.
PMID: 35722720
The physical and chemical changes that accompany permafrost thaw directly influence the microbial communities that mediate the decomposition of formerly frozen organic matter, leading to uncertainty in permafrost-climate feedbacks. Although...
5.
Hewitt R, Stuart Chapin 3rd F, Hollingsworth T, Mack M, Rocha A, Taylor D
PLoS One
. 2020 Jul;
15(7):e0235932.
PMID: 32645087
We tested whether post-fire seedling establishment of common boreal tree and expanding shrub species at treeline and in Arctic tundra is facilitated by co-migration of boreal forest mycorrhizal fungi. Wildfires...
6.
Hewitt R, DeVan M, Lagutina I, Genet H, McGuire A, Taylor D, et al.
New Phytol
. 2019 Oct;
226(1):126-141.
PMID: 31580482
As Arctic soils warm, thawed permafrost releases nitrogen (N) that could stimulate plant productivity and thus offset soil carbon losses from tundra ecosystems. Although mycorrhizal fungi could facilitate plant access...
7.
Ellison S, Sullivan P, Cahoon S, Hewitt R
Ecology
. 2019 Sep;
100(12):e02878.
PMID: 31471977
Trees growing near the Arctic treeline have long been used to reconstruct past climates. However, recent studies have shown deterioration of historically strong positive correlations between air temperature and tree...
8.
Hewitt R, Taylor D, Hollingsworth T, Anderson C, Martinez Pastur G
PeerJ
. 2018 Jul;
6:e5008.
PMID: 30002952
Background: The post-harvest recovery and sustained productivity of forests in Tierra del Fuego may be affected by the abundance and composition of ectomycorrhizal fungi (EMF). Timber harvesting alters EMF community...
9.
Hewitt R, Stuart Chapin 3rd F, Hollingsworth T, Taylor D
Mol Ecol
. 2017 Apr;
26(14):3826-3838.
PMID: 28401610
Root-associated fungi, particularly ectomycorrhizal fungi (EMF), are critical symbionts of all boreal tree species. Although climatically driven increases in wildfire frequency and extent have been hypothesized to increase vegetation transitions...
10.
Hewitt R, Hollingsworth T, Chapin Iii F, Taylor D
BMC Ecol
. 2016 May;
16:25.
PMID: 27169473
Background: Vegetation change in high latitude tundra ecosystems is expected to accelerate due to increased wildfire activity. High-severity fires increase the availability of mineral soil seedbeds, which facilitates recruitment, yet...