Results overview: Found 98 records in 0.03 seconds.
Articles, 85 records found
Research literature, 12 records found
Graphic and multimedia documents, 1 records found
Articles 85 records found  1 - 10nextend  jump to record:
1.
20 p, 1.5 MB In vivo metabolic regulation of alternative oxidase under nutrient deficiency—interaction with arbuscular mycorrhizal fungi and Rhizobium bacteria / Ortíz, José (Universidad de Concepción. Departamento de Botánica (Chile)) ; Sanhueza, Carolina (Universidad de Concepción. Departamento de Botánica (Chile)) ; Romero Munar, Antònia (Centro de Estudios Avanzados en Fruticultura (Chile)) ; Hidalgo Castellanos, Javier (Universidad de Granada. Departamento de Fisiología Vegetal) ; Castro, Catalina (Universidad de Concepción. Departamento de Botánica (Chile)) ; Bascuñán Godoy, Luisa (Universidad de Concepción. Departamento de Botánica (Chile)) ; Coba de la Peña, Teodoro (Centro de Estudios Avanzados en Zonas Áridas (Chile)) ; López Gómez, Miguel (Universidad de Granada. Departamento de Fisiología Vegetal) ; Florez Sarasa, Igor (Centre de Recerca en Agrigenòmica) ; Fernández Del-Saz, Néstor (Universidad de Concepción. Departamento de Botánica (Chile))
The interaction of the alternative oxidase (AOX) pathway with nutrient metabolism is important for understanding how respiration modulates ATP synthesis and carbon economy in plants under nutrient deficiency. [...]
2020 - 10.3390/ijms21124201
International Journal of Molecular Sciences, Vol. 21, Issue 12 (June 2020) , art. 4201  
2.
11 p, 1.7 MB Role of smectite in siliceous-sinter formation and microbial-texture preservation : Octopus Spring, Yellowstone National Park, Wyoming, USA / Kyle, Jennifer E. (University of Georgia. Department of Geology) ; Schroeder, Paul A. (University of Georgia. Department of Geology)
A siliceous sinter collected from Octopus Spring in Yellowstone National Park, USA contains an occluded volcanic rock fragment that has undergone alteration. The sinter piece beyond the fragment is mostly dominated by opal-A with trace amounts of bacterial cells, calcite and detrital quartz. [...]
2007 - 10.1346/CCMN.2007.0550208
Clays and Clay Minerals, Vol. 55, Núm. 2 (2007) , p. 189-199  
3.
55 p, 1.2 MB Drought is a stronger driver of soil respiration and microbial communities than nitrogen or phosphorus addition in two Mediterranean tree species / Preece, Catherine (Centre de Recerca Ecològica i Aplicacions Forestals) ; Farré Armengol, Gerard (University Salzburg. Department of Biosciences) ; Peñuelas, Josep (Centre de Recerca Ecològica i Aplicacions Forestals)
The drivers of global change, such as increasing drought and nutrient deposition, are affecting soils and their microbial communities in many different habitats, but how these factors interact remains unclear. [...]
2020 - 10.1016/j.scitotenv.2020.139554
Science of the total environment, Vol. 735 (September 2020) , art. 139554  
4.
18 p, 1.6 MB Assessing the reliability of predicted plant trait distributions at the global scale / Boonman, Coline C. F. (Radboud University. Department of Environmental Science) ; Benítez López, Ana (Radboud University. Department of Environmental Science) ; Schipper, Aafke M. (Radboud University. Department of Environmental Science) ; Thuiller, Wilfried (Université Grenoble Alpes) ; Anand, Madhur (University of Guelph. School of Environmental Sciences) ; Cerabolini, Bruno E. L. (Università degli Studi dell'Insubria. Dipartimento di Scienze Teoriche e Applicate) ; Cornelissen, Johannes H. C. (Vrije Universiteit Amsterdam. Department of Ecological Science) ; González Melo, Andrés (Universidad del Rosario (Bogotà, Colòmbia). Facultad de Ciencias Naturales y Matematicas) ; Hattingh, Wesley N. (University of the Witwatersrand) ; Higuchi, Pedro (Santa Catarina State University) ; Laughlin, Daniel C. (University of Wyoming. Department of Botany) ; Onipchenko, Vladimir (Moskovskiĭ gosudarstvennyĭ universitet im. M.V. Lomonosova) ; Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Poorter, Lourens (Wageningen University. Forest Ecology and Forest Management Group) ; Soudzilovskaia, Nadejda A. (Leiden University. Environmental Biology Department) ; Huijbregts, Mark A.J. (Institute for Water and Wetland Research) ; Santini, Luca (Institute for Water and Wetland Research)
Predictions of plant traits over space and time are increasingly used to improve our understanding of plant community responses to global environmental change. A necessary step forward is to assess the reliability of global trait predictions. [...]
2020 - 10.1111/geb.13086
Global ecology and biogeography, Vol. 29, Issue 6 (June 2020) , p. 1034-1051  
5.
Denitrification rates in tidal marsh soils : the roles of soil texture, salinity and nitrogen enrichment / Hu, Minjie (Fujian Normal University) ; Peñuelas, Josep (Centre de Recerca Ecològica i Aplicacions Forestals) ; Sardans i Galobart, Jordi (Centre de Recerca Ecològica i Aplicacions Forestals) ; Huang, Jiafang (Fujian Normal University) ; Xu, Kang (Fujian Normal University) ; Tong, Chuan (Fujian Normal University)
The denitrification rates of freshwater and oligohaline tidal marsh soils with different textures (loam and sandy soils) in a subtropical estuary, and their responses to nitrogen (N) loading, were investigated. [...]
2020 - 10.1111/ejss.12956
European journal of soil science, 2020  
6.
Multiple trade-offs between maximizing yield and minimizing greenhouse gas production in Chinese rice croplands / Wang, Weiqi (Fujian Normal University. Key Laboratory of Humid Sub-tropical Eco-geographical Process) ; Wang, Chun (Fujian Normal University. Key Laboratory of Humid Sub-tropical Eco-geographical Process) ; Sardans i Galobart, Jordi (Centre de Recerca Ecològica i Aplicacions Forestals) ; Fang, Yunying (Elizabeth Macarthur Agricultural Institute) ; Singh, Bhupinder Pal (Elizabeth Macarthur Agricultural Institute) ; Wang, Huaru (Yellow River Institute of Hydraulic Research) ; Huang, Xiaoting (Fujian Normal University. Key Laboratory of Humid Sub-tropical Eco-geographical Process) ; Zeng, Congsheng (Fujian Normal University. Key Laboratory of Humid Subtropical Eco-geographical Process) ; Tong, Chuan (Fujian Normal University. Institute of Geography) ; Peñuelas, Josep (Centre de Recerca Ecològica i Aplicacions Forestals)
Globally, paddy fields are a major anthropogenic source of greenhouse gas (GHG) emissions from agriculture. There is, however, limited understanding of relationships between GHG production with fertilizer management, rice varieties, and soil variables. [...]
2020 - 10.1002/ldr.3507
Land degradation & development, Vol. 31, Issue 10 (June 2020) , p. 1287-1299  
7.
39 p, 869.1 KB Light inhibition of foliar respiration in response to soil water availability and seasonal changes in temperature Mediterranean holm oak. (quercus ilex forest) / Turnbull, Matthew H. (University of Canterbury. Centre for Integrative Ecology (New Zealand)) ; Ogaya Inurrigarro, Romà (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Barbeta i Margarit, Adrià (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Zaragoza Castells, Joana (University of Exeter. Geography) ; Atkin, Owen K. (The Australian National University. Centre of Excellence in Plant Energy Biology) ; Valladares, Fernando (Museo Nacional de Ciencias Naturales - CSIC) ; Gimeno, Teresa E. (University of Western Sydney. Hawkesbury Institute for the Environment) ; Pías, Beatriz (Universidad Complutense de Madrid. Departamento de Botánica) ; Griffin, Kevin L. I (Lamont-Doherty Earth Observatory of Columbia University)
In the present study we investigated variations in leaf respiration in darkness (RD) and light (RL), and associated traits in response to season, and along a gradient of soil moisture, in Mediterranean woodland dominated by holm oak (Quercus ilex L. [...]
2017 - 10.1071/FP17032
Functional plant biology, Vol. 44, Issue 12 (2017) , p. 1178-1193  
8.
31 p, 693.3 KB Invasive species' leaf traits and dissimilarity from natives shape their impact on nitrogen cycling: a meta-analysis / Lee, Marissa R. (Duke University. Department of Biology) ; Bernhardt, Emily S. (Duke University. Department of Biology) ; van Bodegom, Peter M. (Leiden University. Institute of Environmental Sciences) ; Cornelissen, J. Hans C. (Vrije Universiteit Amsterdam. Department of Ecological Science) ; Kattge, Jens (Max Planck Institute for Biogeochemistry) ; Laughlin, Daniel C. (University of Waikato. Environmental Research Institute (New Zealand)) ; Niinemets, Ülo (Estonian University of Life Sciences. Department of Plant Physiology) ; Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Reich, Peter B. (University of Minnesota. Department of Forest Resources) ; Yguel, Benjamin (Sorbonne Universités. Centre d'Ecologie et des Sciences de la Conservation) ; Wright, Justin P. (Duke University. Department of Biology)
Many exotic species have little apparent impact on ecosystem processes, whereas others have dramatic consequences for human and ecosystem health. There is growing evidence that invasions foster eutrophication. [...]
2016 - 10.1111/nph.14115
New phytologist, Vol. 213, Issue 1 (January 2017) , p. 128-139  
9.
38 p, 834.9 KB Phosphorus accumulates faster than nitrogen globally in freshwater ecosystems under anthropogenic impacts / Yan, Zhengbing (Peking University. Department of Ecology) ; Han, Wenxuan (China Agricultural University) ; Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Sardans i Galobart, Jordi (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Elser, James J. (Arizona State University) ; Du, Enzai (Beijing Normal University. State Key Laboratory of Earth Surface Processes and Resource Ecology) ; Reich, Peter B. (Western Sydney University. Hawkesbury Institute for the Environment) ; Fang, Jingyun (Peking University. Department of Ecology)
Combined effects of cumulative nutrient inputs and biogeochemical processes that occur in freshwater under anthropogenic eutrophication could lead to myriad shifts in nitrogen (N):phosphorus (P) stoichiometry in global freshwater ecosystems, but this is not yet well-assessed. [...]
2016 - 10.1111/ele.12658
Ecology Letters, Vol. 19, Issue 10 (October 2016) , p. 1237-1246  
10.
Profile of foliar isoprenoid emissions from Mediterranean dominant shrub and tree species under experimental nitrogen deposition / Mu, Zhaobin (Centre de Recerca Ecològica i Aplicacions Forestals) ; Llusià Benet, Joan (Centre de Recerca Ecològica i Aplicacions Forestals) ; Liu, Daijun (Centre de Recerca Ecològica i Aplicacions Forestals) ; Ogaya Inurrigarro, Romà (Centre de Recerca Ecològica i Aplicacions Forestals) ; Asensio Abella, Ma. Dolores (Centre de Recerca Ecològica i Aplicacions Forestals) ; Zhang, Chao (Centre de Recerca Ecològica i Aplicacions Forestals) ; Peñuelas, Josep (Centre de Recerca Ecològica i Aplicacions Forestals)
Biogenic volatile organic compounds play important roles in atmospheric chemistry, and their emissions can be greatly influenced by the variations in environmental conditions and physiological activities caused by continuously increasing global nitrogen (N) deposition. [...]
2019 - 10.1016/j.atmosenv.2019.116951
Atmospheric environment, Vol. 216 (Nov. 2019) , art. 116951  

Articles : 85 records found   1 - 10nextend  jump to record:
Research literature 12 records found  1 - 10next  jump to record:
1.
27 p, 976.0 KB Inferencia para datos funcionales : estudio sobre la contaminación del aire en Barcelona / Hernández, María ; Cabaña Nigro, Alejandra, dir. (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Universitat Autònoma de Barcelona. Facultat de Ciències
En este estudio introducimos el problema de comparación de dos muestras para datos funcionales, usando datos de niveles de dióxido de nitrógeno en diferentes puntos de la ciudad de Barcelona durante los años 2014 y 2015. [...]
In this research we introduce the problem about comparing two samples for functional data, using as data example the levels of nitrogen dioxide in diferents points of Barcelona between years 2014 and 2015. [...]
En aquest estudi introduirem el problema de comparació de dues mostres per a dades funcionals, utilitzant dades de nivells de diòxid de nitrogen en diferents punts de la ciutat de Barcelona durant els anys 2014 i 2015. [...]

2016
Grau en Estadística Aplicada [973]  
2.
102 p, 1.3 MB Morpho-physiological analysis of adaptive responses of common bean (Phaseolus vulgaris L.) to drought stress / Polania Perdomo, José A., autor ; Poschenrieder, Charlotte, supervisor acadèmic ; Beebe, Stephen E., supervisor acadèmic ; Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia
El frijol común (Phaseolus vulgaris L. ) es la leguminosa alimenticia más importante en los trópicos. Es cultivada por pequeños agricultores y por lo general expuesta a condiciones desfavorables con mínimo uso de insumos. [...]
Common bean (Phaseolus vulgaris L. ) is the most important food legume in the diet of poor people in the tropics. This legume is cultivated by small farmers and is usually exposed to unfavorable conditions with minimum use of inputs. [...]

[Barcelona] : Universitat Autònoma de Barcelona, 2016  
3.
237 p, 5.0 MB Evaluation of urban sustainability through the metabolic study of nutrient food flows : the case of the Grand Nador, Morocco, city-region / Dinarès Fernández, Marta ; Saurí i Pujol, David (Universitat Autònoma de Barcelona. Departament de Geografia) ; Rovira Val, Ma. Rosa, dir. (Universitat Autònoma de Barcelona. Departament d'Empresa) ; Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals
Por primera vez en la historia de la humanidad, una mayor proporción de la población global vive en áreas urbanas. En las próximas décadas, se espera que la mayor parte del crecimiento mundial previsto sea absorbido por las zonas urbanas costaneras del mundo en desarrollo, específicamente en las ciudades pequeñas y medianas así como en las zonas periféricas. [...]
For the first time in history a majority of the global population live in urban areas. In the coming decades, most of the world's population growth is expected to be absorbed by coastal urban areas -specifically in small and medium cities and urban peripheries- of the developing world. [...]

[Barcelona] : Universitat Autònoma de Barcelona, 2016  
4.
196 p, 3.1 MB Nitrogen deposition at Mediterranean holm-oak forests : loads and indicators / Aguillaume Rodríguez-O'connor, Laura ; Àvila i Castells, Anna, dir. ; Centre de Recerca Ecològica i Aplicacions Forestals
En esta tesis presentamos información sobre la deposición de N en los bosques de encinar (Quercus ilex) en España para contribuir a mejorar la falta de estudios sobre el depósito de N en la cuenca del Mediterráneo. [...]
With the present PhD we provide new information on N deposition to holm oak (Quercus ilex) forests in Spain, in order to contribute to fill the gap about N deposition in the Mediterranean Basin. Three forest sites were selected for their proximity to traffic/urban pollution sources and a fourth site was chosen as representative of less polluted environments. [...]

[Barcelona] : Universitat Autònoma de Barcelona, 2015  
5.
251 p, 2.0 MB Strategies to reduce nitrogen excretion from ruminants : targeting the rumen / Foskolos, Andreas ; Calsamiglia, Sergio, dir (Universitat Autònoma de Barcelona. Departament de Ciència Animal i dels Aliments) ; Universitat Autònoma de Barcelona. Departament de Ciència Animal i dels Aliments
Esta tesis doctoral se llevó a cabo en el marco del proyecto financiado por la Unión Europea Rednex. El objetivo principal de la tesis fue utilizar tecnologías innovadoras aplicadas al rumen para proponer soluciones que pueden reducir la excreción de N en el ganado bovino lechero. [...]
The current PhD thesis was conducted within the framework of the European Union funded project RedNex. The main objective of the thesis was to use novel technologies that target the rumen to propose solutions that may reduce the N excretion from dairy cows. [...]

[Barcelona] : Universitat Autònoma de Barcelona, 2013  
6.
190 p, 2.9 MB Preparación y caracterización de capas delgadas y estructuras de óxido de titanio para aplicaciones fotocatalíticas activadas mediante radiación UV o visible / Sauthier, Guillaume ; Figueras Dagà, Albert, dir. (Centro de Investigación en Nanociencia y Nanotecnología) ; Gyorgy, Eniko, dir. (Centro de Investigación en Nanociencia y Nanotecnología) ; Universitat Autònoma de Barcelona. Departament de Química
El aumento de la presencia de contaminantes atmosféricos hace necesario el desarrollo de nuevas tecnologías para limitar su impacto negativo. Una de esa tecnología podría ser basada en la integración de TiO2 en los elementos de construcción de los edificios. [...]
The increase of atmospheric pollution makes necessary the development of new technologies to limite it's negative impact. One of these technologies aiming the reduction of atmospheric pollution could be based on the integration of TiO2 in the building elements. [...]

[Barcelona] : Universitat Autònoma de Barcelona, 2012  
7.
12 p, 55.0 KB Influencia de la altura, la distancia de los tubos a la calle, la anchura de la calle, el tráfico y la densidad de vehículos sobre la concentración de NO2 / Torres Altisent, Roser ; Künzly, Nino, dir. ; Sala i Serra, Maria, dir. (Universitat Autònoma de Barcelona. Departament de Pediatria, d'Obstetrícia i Ginecologia i de Medicina Preventiva) ; Universitat Autònoma de Barcelona. Facultat de Ciències
Durante las primeras décadas del s. XX se contempló un importante aumento de las enfermedades coronarias, este hecho estimuló la investigación sobre las causas de dichas enfermedades. En 1978, y para investigar este fenómeno se inició el estudio REGICOR en el Hospital Josep Trueta de Girona. [...]
Durant les primeres dècades del s. XX es va observar un important augment de les malalties coronàries, fet va estimular la investigació sobre les causes d'aquestes malalties. Al 1978, y per investigar aquest fenomen es va iniciar l'estudi REGICOR a l'Hospital Josep Trueta de Girona. [...]
During the first decades of 20th century has contemplated an important increase of the coronary diseases, that stimulated this research for the reasons mentioned above. In 1978, in order to investigate this phenomenon, Josep Trueta Hospital of Girona began a study called REGICOR. [...]

2008
2 documents
8.
11 p, 262.7 KB Eliminació simultània de fòsfor i nitrogen en aigües residuals, utilitzant microorganismes DPAO en un reactor discontinu seqüencial (SBR) / Artigues Agramunt, Anna ; Guisasola i Canudas, Albert, dir. (Universitat Autònoma de Barcelona. Departament d'Enginyeria Química) ; Vargas Prats, María del Mar, dir. (Universitat Autònoma de Barcelona. Departament d'Enginyeria Química) ; Universitat Autònoma de Barcelona. Facultat de Ciències
En aquest estudi es realitzà eliminació biològica simultània de fòsfor i nitrogen en un Reactor Discontinu Seqüencial (SBR), el qual conté una biomassa enriquida amb Organismes Desnitrificadors Acumuladors de Fòsfor (DPAO) que utilitzen com a única font de carboni l'àcid propiònic i com acceptors d'electrons: nitrit en la fase anòxica i oxigen en l'aeròbica. [...]
En este estudio se llevó a cabo eliminación biológica simultanea de fósforo y nitrógeno en un reactor discontinuo secuencial (SBR) el cual contenía una biomasa enriquecida con Organismos Desnitrificantes Acumuladores de Fósforo (DPAO) que utilizan como única fuente de carbono el acido propiónico y como aceptor de electrones: nitrito en la fase anóxica y oxígeno en la aeróbica. [...]
In this study, simultaneous biological phosphorus and nitrogen removal was performed in a Sequential Batch Reactor (SBR), which contained a biomass enriched with Denitrifying Phosphorus Accumulating Organisms (DPAO). [...]

2008
2 documents
9.
60 p, 4.7 MB Estudio teórico de la coordinación del NO₂ a metales en fase gas y en la zeolita CuZSM-5 / Rodríguez Santiago, Luis (Universitat Autònoma de Barcelona. Departament de Química) ; Branchadell Gallo, Vicenç, dir. (Universitat Autònoma de Barcelona. Departament de Química) ; Sodupe Roure, Mariona, dir. (Universitat Autònoma de Barcelona. Departament de Química)
Pendent.
Bellaterra: Universitat Autònoma de Barcelona, 2008
2 documents
10.
84 p, 749.3 KB Els fenols, entre el carboni i el nitrogen : resposta als increments del CO2 atmosfèric i interacció amb el cicle del nitrogen / Castells, Eva (Universitat Autònoma de Barcelona. Departament de Farmacologia, de Terapèutica i de Toxicologia) ; Peñuelas, Josep, dir. (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia)
Els fenols són metabòlits secundaris d'un gran interès en ecologia ja que poden regular la intensitat de diverses interaccions entre la planta i el seu entorn. Les concentracions de fenols en planta estan determinades per factors abiòtics, especialment per la relació entre la disponibilitat de C i la disponibilitat de N per a la planta. [...]
Phenolic compounds are plant carbon-based secondary metabolites of high interest in ecological studies because they can regulate the strength of some biotic interactions. At specific level, phenolic compound concentrations are determined by abiotic factors such as plant C and N availability. [...]

Bellaterra : Universitat Autònoma de Barcelona, 2002
3 documents

Research literature : 12 records found   1 - 10next  jump to record:
Graphic and multimedia documents 1 records found  
1.
Bones pràctiques agràries : / en la gestió del nitrogen / Casas, Àngel ; Catalunya. Departament d'Agricultura, Ramaderia i Pesca ; Universitat Autònoma de Barcelona. Facultat de Veterinària
[Tarragona] : Generalitat de Catalunya. Departament d'Agricultura, Ramaderia i Pesca, 2001  

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