Temperature sensitivity of soil carbon
WebTemperature Sensitivity of Soil Organic Carbon Mineralization along an Elevation Gradient in the Wuyi Mountains, China Guobing Wang1., Yan Zhou2., Xia Xu3, Honghua Ruan1*, Jiashe Wang4 1Faculty of Forest Resources and Environmental Science, and Key Laboratory of Forestry and Ecological Engineering of Jiangsu Province, Nanjing Forestry University, Web3 Jan 2024 · Abstract Temperature sensitivity of soil organic carbon (SOC) decomposition is one of the major uncertainties in predicting climate-carbon (C) cycle feedback. Results …
Temperature sensitivity of soil carbon
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Web26 Sep 2024 · Soil respiration plays a critical role in driving soil carbon (C) cycling in terrestrial forest ecosystems. However, evidence to demonstrate the response of roots, mycorrhizal hyphae, and soil free-living microbes of soil respiration and their temperature sensitivity (Q10) remains lacking. Here, we used a root exclusion method to assess the … Web3 Sep 2014 · Soils store about four times as much carbon as plant biomass 1, and soil microbial respiration releases about 60 petagrams of carbon per year to the atmosphere …
WebSupporting: 11, Contrasting: 3, Mentioning: 78 - Understanding the temperature sensitivity (Q ) of soil organic C (SOC) decomposition is critical to quantifying the climate-carbon cycle … Web2 Dec 2024 · Introduction. Warming can accelerate the efflux of carbon dioxide (CO 2) from the soil carbon pool to the atmospheric pool, potentially creating a positive feedback to climate change (Field et al., 2007; Wu et al., 2011).The magnitude of this feedback is partly determined by the temperature sensitivity of the microbial decomposition of soil organic …
Web1 Jan 2012 · The temperature sensitivity of soil organic C contained in different particle-size fractions is important in the context of global climate change but to date has been poorly studied. ... NAT] in the parkland region of Alberta, Canada, over a 370-d laboratory incubation. Carbon was largely held in the fine (<53 μm) fraction (59%), followed by ... WebTemperature sensitivity of soil organic carbon (SOC) decomposition is one of the major uncertainties in predicting climate-carbon (C) cycle feedback. Results from previous …
WebHere, we present results from a controlled, replicated in situ deep mineral soil warming experiment to determine the response of an undisturbed whole-soil profile to warming (+4°C). We tested the sensitivity of soil CO 2 production to warming from 0 to 100 cm and whether there was acclimation over 2 years.
WebSupporting: 11, Contrasting: 3, Mentioning: 78 - Understanding the temperature sensitivity (Q ) of soil organic C (SOC) decomposition is critical to quantifying the climate-carbon cycle feedback and predicting the response of ecosystems to climate change. However, the driving factors of the spatial variation in Q at a continental scale are fully unidentified. In … bra08bzWebThree soil heat flux plates (HFP01, Hukseflux Inc. Finland) and combined soil moisture and temperature sensors (ML2x, Delta-T Devices Inc. UK) buried at a depth of 10 cm were used to measure soil temperature (T s) and volumetric soil water content (SWC). A tipping bucket rain gauge (TR-525 M, Texas Electronics Inc. USA) was employed to measure the … br4 glasWeb26 Jan 2024 · The temperature sensitivity of soil respiration is often expressed as the Q 10 value, i.e., a proportional increase (or decrease) in SOC mineralization for a temperature … bra105kWeb4 Sep 2014 · After 90 days, microbial community responses increased the temperature sensitivity of respiration in high-latitude soils by a factor of 1.4 compared to the … br785 brake padsWeb1 Oct 2024 · Carbon dioxide (CO 2), nitrous oxide (N 2 O) and methane (CH 4) are three important greenhouse gases (GHGs) associated with rising temperature.Their … br88 pooja bumperWeb2 Nov 2024 · Soil respiration rates were positively related to the content of soil organic carbon and soil microbial carbon. The temperature sensitivity of soil respiration, … br 7800 brake padsWebThree soil heat flux plates (HFP01, Hukseflux Inc. Finland) and combined soil moisture and temperature sensors (ML2x, Delta-T Devices Inc. UK) buried at a depth of 10 cm were … bra181218kp3