Matches in SemOpenAlex for { <https://semopenalex.org/work/W4367608844> ?p ?o ?g. }
- W4367608844 abstract "Climate change has increased drought frequency and duration that are exacerbated by increased temperatures globally. This effect has, and will continue, to increase fire occurrence across many regions of North America. In the Southern Appalachian Mountains, wildfires with high severity occurred in 2016 due to increased drought and human activity. Surface soils were collected from two sites: the Great Smoky Mountains National Park (GRSM) in Tennessee and the Nantahala National Forest (NNF) in North Carolina, USA spanning light, moderate, and severely burned areas, accompanied by adjacent unburned locations that act as controls. Surface soil samples to a depth of 15 cm were collected at three time points between 2017 and 2019 (~0.5 years, ~1 year, and 2.5 years post-fire) among burn severity plots. Total hydrolytic enzyme production varied over time with severe plots having significantly lower enzyme production at 2.5 years post wildfire. Individual enzymes varied among burn severity treatments and time. Light burns elicited greater carbon-specific (β-glucosidase (BG), β-xylosidase (BX)) and P-specific (acid phosphatase) activities six months post-fire, but this effect was transient. After 2.5 years post-burn, BX and AP were lower in severe or moderate burns relative to controls. In contrast, leucyl aminopeptidase (LAP) was lowest in severe burns six months post-fire, but by 2.5 years, was lowest in light burns. Fungal:bacterial ratios declined with burn severity indicative that fungi are sensitive or less resilient to high fire severity during recovery. These results suggest wildfires alter trajectories for soil microbial structure and function within a 2.5-year timeframe which potentially has long-term impacts on biogeochemical cycling." @default.
- W4367608844 created "2023-05-02" @default.
- W4367608844 creator A5064413429 @default.
- W4367608844 creator A5064591637 @default.
- W4367608844 creator A5065268351 @default.
- W4367608844 creator A5080043356 @default.
- W4367608844 date "2023-05-01" @default.
- W4367608844 modified "2023-10-18" @default.
- W4367608844 title "Wildfire severity alters soil microbial exoenzyme production and fungal abundances in the Southern Appalachian Mountains" @default.
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