中文版 | English

在结果中检索

GSTDTAP

浏览/检索结果: 共6条，第1-6条 帮助

已选(0)清除 条数/页：   排序方式：
Temperature sensitivity of biomass-specific microbial exo-enzyme activities and CO2 efflux is resistant to change across short- and long-term timescales 期刊论文
GLOBAL CHANGE BIOLOGY, 2019, 25 (5) : 1793-1807
作者:  Min, Kyungjin;  Buckeridge, Kate;  Ziegler, Susan E.;  Edwards, Kate A.;  Bagchi, Samik;  Billings, Sharon A.
收藏  |  浏览/下载：7/0  |  提交时间：2019/11/26
activation energy  microbial adaptation  microbial biomass  microbial community structure  microbial resilience  microbial resistance  Q(10)  soil warming  
Beneath the canopy: Linking drought-induced forest die off and changes in soil properties 期刊论文
FOREST ECOLOGY AND MANAGEMENT, 2018, 422: 294-302
作者:  Gazol, Antonio;  Julio Camarero, J.;  Jimenez, Juan J.;  Moret-Fernandez, David;  Victoria Lopez, M.;  Sangueesa-Barreda, Gabriel;  Igual, Jose M.
收藏  |  浏览/下载：10/0  |  提交时间：2019/04/09
Forest dieback  PLFA  Rhizosphere  Soil hydrophobicity  Soil microbial community structure  Tree death  
Biochar amendment decreases soil microbial biomass and increases bacterial diversity in Moso bamboo (Phyllostachys edulis) plantations under simulated nitrogen deposition 期刊论文
ENVIRONMENTAL RESEARCH LETTERS, 2018, 13 (4)
作者:  Li, Quan;  Lei, Zhaofeng;  Song, Xinzhang;  Zhang, Zhiting;  Ying, Yeqing;  Peng, Changhui
收藏  |  浏览/下载：9/0  |  提交时间：2019/04/09
Phyllostachys edulis  biochar  microbial community structure and diversity  microbial biomass  simulated nitrogen deposition  
Dynamics of soil biogeochemical gas emissions shaped by remolded aggregate sizes and carbon configurations under hydration cycles 期刊论文
GLOBAL CHANGE BIOLOGY, 2018, 24 (1) : E378-E392
作者:  Ebrahimi, Ali;  Or, Dani
收藏  |  浏览/下载：4/0  |  提交时间：2019/04/09
biogeochemical gas fluxes  mechanistic modeling  microbial community  N2O emissions  soil aggregate  soil structure  
Radiochemically-Supported Microbial Communities: A Potential Mechanism for Biocolloid Production of Importance to Actinide Transport 科技报告
来源：US Department of Energy (DOE). 出版年： 2014
作者:  Moser, Duane P;  Hamilton-Brehm, Scott D;  Fisher, Jenny C;  Bruckner, James C;  Kruger, Brittany;  Sackett, Joshua;  Russell, Charles E;  Onstott, Tullis C;  Czerwinski, Ken
收藏  |  浏览/下载：26/0  |  提交时间：2019/04/05
Due to the legacy of Cold War nuclear weapons testing  the Nevada National Security Site (NNSS  formerly known as the Nevada Test Site (NTS)) contains millions of Curies of radioactive contamination. Presented here is a summary of the results of the first comprehensive study of subsurface microbial communities of radioactive and nonradioactive aquifers at this site. To achieve the objectives of this project  cooperative actions between the Desert Research Institute (DRI)  the Nevada Field Office of the National Nuclear Security Administration (NNSA)  the Underground Test Area Activity (UGTA)  and contractors such as Navarro-Interra (NI)  were required. Ultimately  fluids from 17 boreholes and two water-filled tunnels were sampled (sometimes on multiple occasions and from multiple depths) from the NNSS  the adjacent Nevada Test and Training Range (NTTR)  and a reference hole in the Amargosa Valley near Death Valley. The sites sampled ranged from highly-radioactive nuclear device test cavities to uncontaminated perched and regional aquifers. Specific areas sampled included recharge  intermediate  and discharge zones of a 100  000-km2 internally-draining province  known as the Death Valley Regional Flow System (DVRFS)  which encompasses the entirety of the NNSS/NTTR and surrounding areas. Specific geological features sampled included: West Pahute and Ranier Mesas (recharge zone)  Yucca and Frenchman Flats (transitional zone)  and the Western edge of the Amargosa Valley near Death Valley (discharge zone). The original overarching question underlying the proposal supporting this work was stated as: Can radiochemically-produced substrates support indigenous microbial communities and subsequently stimulate biocolloid formation that can affect radionuclides in NNSS subsurface nuclear test/detonation sites? Radioactive and non-radioactive groundwater samples were thus characterized for physical parameters  aqueous geochemistry  and microbial communities using both DNA- and cultivation-based tools in an effort to understand the drivers of microbial community structure (including radioactivity) and microbial interactions with select radionuclides and other factors across the range of habitats surveyed.  
DOE ER63951-3 Final Report: An Integrated Assessment of Geochemical and Community Structure Determinants of Metal Reduction Rates in Subsurface Sediments 科技报告
来源：US Department of Energy (DOE). 出版年： 2010
作者:  Susan Pfiffner
收藏  |  浏览/下载：3/0  |  提交时间：2019/04/05
Uranium reduction microbial community structure phospholipids respiratory quinones