Results 71 to 80 of about 189,130 (302)

Bio‐Inspired Cascade Photocatalysis on Fe Single‐Atom Carbon Nitride Upcycles Plastic Wastes for Effective Acetic Acid Production

Advanced Energy Materials, EarlyView.
This work demonstrates a novel cascade photocatalysis concept using Fe single‐atom catalysts (Fe@C3N4 SAC) to directly upcycle plastics (PET, PP, PE, PVC) into valuable acetic acid at ambient conditions. Inspired by microbial degradation, the bifunctional cascade photocatalyst combines Fenton‐like oxidation and CO2 photoreduction, as validated by ...
Wei Wei, Cheng Du, Jiawei Ge, Xiang Wang, Zuolong Chen, Meng Zhang, Tao Guo, Lei Wang, Maoyu Wang, Yuzi Liu, Hua Zhou, Chengjun Sun, Ning Chen, Weifeng Chen, Brant Billinghurst, Mohsen Shakouri, Peter Sprenger, Fatemeh Fani Sani, Yulian Quan, Brian Kendall, Roy Brouwer, Yimin A. Wu   +21 more
wiley   +1 more source

Plant Biomass Allocation-Regulated Nitrogen and Phosphorus Addition Effects on Ecosystem Carbon Fluxes of a Lucerne (Medicago sativa ssp. sativa) Plantation in the Loess Plateau

Plants
Nitrogen (N) and phosphorus (P) are key limiting factors for carbon (C) fluxes in artificial grasslands. The impact of their management on ecosystem C fluxes, including net ecosystem productivity (NEP), ecosystem respiration (ER), and gross ecosystem ...
Penghui Zhai, Rongrong Cheng, Zelin Gong, Jianhui Huang, Xuan Yang, Xiaolin Zhang, Xiang Zhao   +6 more
doaj   +1 more source

EFFECTS OF LAND COVER, WATER REDISTRIBUTION, AND TEMPERATURE ON ECOSYSTEM PROCESSES IN THE SOUTH PLATTE BASIN [PDF]

, 1998
Over one‐third of the land area in the South Platte Basin of Colorado, Nebraska, and Wyoming, has been converted to croplands. Irrigated cropland now comprises 8% of the basin, while dry croplands make up 31%.
Band, Larry E., Baron, Jill S., Hartman, Melannie D., Kittel, Timothy G. F., Lammers, Richard B., Ojima, Dennis S.   +5 more
core   +1 more source

Emergent global patterns of ecosystem structure and function from a mechanistic general ecosystem model [PDF]

, 2014
Anthropogenic activities are causing widespread degradation of ecosystems worldwide, threatening the ecosystem services upon which all human life depends.
A Friedlander, A Hardisty, B Cho, B Collen, B-E Sæther, BJ McGill, C Mora, C Ward-Paige, CA Deutsch, CB Field, CD Thomas, CEL Ferreira, CH Sekercioglu, CM Duarte, CR McClain, D Griffiths, D Policansky, D Post, D Yates, Derek P. Tittensor, DG Jenkins, Drew W. Purves, DW Purves, E Jeppesen, E Macpherson, E Odum, E Siemann, EA Fulton, FS Chapin, G Krinner, GA Kaufman, GM Mace, H Cyr, H Stibor, HR Peinetti, J Cebrian, J Chase, J Gasol, J Merilä, JA Carton, JE Cohen, JH Brown, JL Frangi, JM Sunday, Jon Hutton, JP Rodríguez, JS Millar, Jörn P. W. Scharlemann, K Rose, KA Nagy, KA Schubert, KE Jones, KR Buck, L Tremblay-Boyer, LLM Fedigan, LW Oring, M Behrenfeld, M González-Suárez, Matthew J. Smith, MBJ Harfoot, ME Power, Michael B. J. Harfoot, Michel Loreau, MJ Coe, MJ Morgan, MJ Smith, MJ Vander Zanden, MK Litvak, MR Evans, MW McCoy, N Blakley, N Loeuille, NG Hairston, O Krüger, P Abrams, P Del Giorgio, PK Holland, R Alkemade, R Bustamante, R Gentile, R Meek, R Shine, R Shine, RE Ricklefs, RE Ricklefs, RJ Williams, RJ Williams, RW Sheldon, RW Wilson, S Díaz, S Fretwell, S Jain, S Jennings, S Jennings, S Meiri, S Sitch, SA Sandin, SD Pletcher, Stephen Emmott, T Newbold, T Sousa, Tim Newbold, TJ Case, TJ Webb, U Brose, V Christensen, Vassily Lyutsarev, W Sprules, X Irigoien, Y-J Shin   +109 more
core   +4 more sources

Synergies in Agricultural Biodiversity Conservation: Decomposing the Interaction Between Nature Parks and Agri‐Environment Schemes

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT Understanding how policy instruments with overlapping goals interact is crucial for leveraging their synergies. This study explores the mechanisms for regional nature parks (a form of protected areas that impose no restrictions on agriculture) to enhance the adoption of biodiversity‐conserving agri‐environment schemes (AES) in Switzerland ...
Yanbing Wang, Christian Ritzel, Antonia Kaiser, Gabriele Mack   +3 more
wiley   +1 more source

A novel probabilistic risk analysis to determine the vulnerability of ecosystems to extreme climatic events

Environmental Research Letters, 2013
We present a simple method of probabilistic risk analysis for ecosystems. The only requirements are time series—modelled or measured—of environment and ecosystem variables. Risk is defined as the product of hazard probability and ecosystem vulnerability.
Marcel van Oijen, Christian Beer, Wolfgang Cramer, Anja Rammig, Markus Reichstein, Susanne Rolinski, Jean-Francois Soussana   +6 more
doaj   +1 more source

Carbon budget of the vineyard \u2013 A new feature of sustainability [PDF]

, 2015
Vineyards received scarce attention in relation to the continuous monitoring of carbon fluxes and the assessment of their overall budget, as a common believe is that agricultural crops cannot be net carbon sinks.
Meggio, Franco, Pitacco, Andrea
core   +1 more source

Net ecosystem productivity and peat accumulation in a Siberian Aapa mire

Tellus B: Chemical and Physical Meteorology, 2002
Net ecosystem productivity (NEP) was studied in a bog located in the middle taiga of Siberia using two approaches, the accumulation of peat above the hypocotyl of pine trees, and the eddy covariance flux methodology. NEP was 0.84 tC ha−1 yr−1 using the peat accumulation method; it was 0.43–0.62 tC ha−1 yr−1 using eddy covariance over three growing ...
Schulze, E., Prokuschkin, A., Arneth, A., Knorre, N., Vaganov, E.   +4 more
openaire   +3 more sources

Markets Mitigate Land‐Use Competition From Energy Crops and Increase Farm Revenues

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT Meeting the US Sustainable Aviation Fuel Grand Challenge target of 35 billion gal annually by 2050 will require an estimated 380 million–700 million dry tons of agricultural biomass feedstock. This study evaluates the implications of large‐scale biomass production for land use, crop production, and market outcomes under mature market ...
Daniel G. De La Torre Ugarte, Matthew H. Langholtz, Chad M. Hellwinckel   +2 more
wiley   +1 more source

Upscaling fluxes from towers to regions, continents and global scales using datadriven approaches [PDF]

, 2011
Quantifying the current carbon cycle of terrestrial ecosystems requires that we translate spatially sparse measurements into consistent, gridded flux estimates at the regional scale.
Davis, Kenneth J., Keller, Klaus, Saliendra, Nicanor Z., Urban, Nathan M., Xiao, Jingfeng   +4 more
core   +6 more sources