Zobrazeno 1 - 10 of 138 pro vyhledávání: '"J E Barrett"'
1
Akademický článek
Response of a Terrestrial Polar Ecosystem to the March 2022 Antarctic Weather Anomaly
Autor: J. E. Barrett, Byron J. Adams, Peter T. Doran, Hilary A. Dugan, Krista F. Myers, Mark R. Salvatore, Sarah N. Power, Meredith D. Snyder, Anna T. Wright, Michael N. Gooseff
Publikováno v: Earth's Future, Vol 12, Iss 8, Pp n/a-n/a (2024)
Abstract Record high temperatures were documented in the McMurdo Dry Valleys, Antarctica, on 18 March 2022, exceeding average temperatures for that day by nearly 30°C. Satellite imagery and stream gage measurements indicate that surface wetting coin
Externí odkaz: https://doaj.org/article/3aeec4161b4a42f9bc2f22cfe75406f0
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2
Akademický článek
Evaluating Alternative Metacommunity Hypotheses for Diatoms in the McMurdo Dry Valleys Using Simulations and Remote Sensing Data
Autor: Eric R. Sokol, J. E. Barrett, Tyler J. Kohler, Diane M. McKnight, Mark R. Salvatore, Lee F. Stanish
Publikováno v: Frontiers in Ecology and Evolution, Vol 8 (2020)
Diatoms are diverse and widespread freshwater Eukaryotes that make excellent microbial subjects for addressing questions in metacommunity ecology. In the McMurdo Dry Valleys of Antarctica, the simple trophic structure of glacier-fed streams provides
Externí odkaz: https://doaj.org/article/423bbdde2d784503a9fe057eb45a1dc0
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3
Akademický článek
Soil Bacterial and Fungal Communities Exhibit Distinct Long-Term Responses to Disturbance in Temperate Forests
Autor: Ernest D. Osburn, Steven G. McBride, Frank O. Aylward, Brian D. Badgley, Brian D. Strahm, Jennifer D. Knoepp, J. E. Barrett
Publikováno v: Frontiers in Microbiology, Vol 10 (2019)
In Appalachian ecosystems, forest disturbance has long-term effects on microbially driven biogeochemical processes such as nitrogen (N) cycling. However, little is known regarding long-term responses of forest soil microbial communities to disturbanc
Externí odkaz: https://doaj.org/article/d2926e002b2b4842b0f6a2797393aa86
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4
Causes and Characteristics of Electrical Resistivity Variability in Shallow (<4 m) Soils in Taylor Valley, East Antarctica
Autor: W. S. Gutterman, P. T. Doran, R. A. Virginia, J. E. Barrett, K. F. Myers, S. M. Tulaczyk, N. T. Foley, J. A. Mikucki, H. A. Dugan, D. J. Grombacher, T. S. Bording, E. Auken
Publikováno v: Gutterman, W S, Doran, P T, Virginia, R A, Barrett, J E, Myers, K F, Tulaczyk, S M, Foley, N T, Mikucki, J A, Dugan, H A, Grombacher, D J, Bording, T S & Auken, E 2023, ' Causes and Characteristics of Electrical Resistivity Variability in Shallow ( <4 m) Soils in Taylor Valley, East Antarctica ', Journal of Geophysical Research: Earth Surface, vol. 128, no. 2, e2022JF006696 . https://doi.org/10.1029/2022JF006696
Airborne electromagnetic surveys collected in December 2011 and November 2018 and three soil sampling transects were used to analyze the spatial heterogeneity of shallow (
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::082ec08072620b773ebc334f051d3495
https://doi.org/10.1029/2022jf006696
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5
Akademický článek
Seasonal controls on snow distribution and aerial ablation at the snow-patch and landscape scales, McMurdo Dry Valleys, Antarctica
Autor: J. W. Eveland, M. N. Gooseff, D. J. Lampkin, J. E. Barrett, C. D. Takacs-Vesbach
Publikováno v: The Cryosphere, Vol 7, Iss 3, Pp 917-931 (2013)
Accumulated snow in the McMurdo Dry Valleys, while limited, has great ecological significance to subnivian soil environments. Though sublimation dominates the ablation process in this region, measurable increases in soil moisture and insulation from
Externí odkaz: https://doaj.org/article/b40805a3253e417d9a10aac3c63ce1c8
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6
Akademický článek
Spatial variation in soil active-layer geochemistry across hydrologic margins in polar desert ecosystems
Autor: J. E. Barrett, M. N. Gooseff, C. Takacs-Vesbach
Publikováno v: Hydrology and Earth System Sciences, Vol 13, Iss 12, Pp 2349-2358 (2009)
Polar deserts are characterized by severe spatial-temporal limitations of liquid water. In soil active layers of the Antarctic Dry Valleys, liquid water is infrequently available over most of the arid terrestrial landscape. However, soils on the marg
Externí odkaz: https://doaj.org/article/8a17aa1b59dd46099ddfc7c65a326a04
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9
NITROGEN RETENTION IN SEMIARID ECOSYSTEMS ACROSS A SOIL ORGANIC-MATTER GRADIENT
Autor: Ingrid C. Burke, J. E. Barrett
Publikováno v: Ecological Applications. 12:878-890
Agricultural and industrial activities have greatly altered the global nitrogen (N) cycle and increased the availability of biologically reactive N in many ecosystems. Though N is a limiting nutrient in most terrestrial ecosystems, production respons
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4b915a829caf6f7171359b0ee9798cb6
https://doi.org/10.1890/1051-0761(2002)012[0878:nrisea]2.0.co
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10
A store-operated calcium channel inhibitor attenuates collagen-induced arthritis
Autor: X H, Gao, R, Gao, Y Z, Tian, P, McGonigle, J E, Barrett, Y, Dai, H, Hu
Publikováno v: British journal of pharmacology. 172(12)
Store-operated calcium (SOC) channels are thought to play a critical role in immune responses, inflammatory diseases and chronic pain. The aim of this study was to explore the potential role and mechanisms of SOC channels in collagen-induced arthriti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::0d9b20f218318bfa322b64f53c782123
https://pubmed.ncbi.nlm.nih.gov/25651822
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