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Resultats globals: 7 registres trobats en 0.02 segons.
Articles, 6 registres trobats
Documents de recerca, 1 registres trobats
Articles 6 registres trobats  
1.
16 p, 3.5 MB Short-term n-fertilization differently affects the leaf and leaf litter chemistry of the dominant species in a mediterranean forest under drought conditions / Vallicrosa Pou, Helena (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Sardans i Galobart, Jordi (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Ogaya Inurrigarro, Romà (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Fernández, Pere Roc (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Nitrogen (N) deposition is a key driver of global change with significant effects on carbon (C) cycling, species fitness, and diversity; however, its effects on Mediterranean ecosystems are unclear. Here, we simulated N deposition in an N-fertilization experiment with N-labeled fertilizer in a montane evergreen Mediterranean holm oak forest, in central Catalonia, to quantify short-term impacts on leaf, leaf litter elemental composition, and resorption efficiency in three dominant species (Quercus ilex, Phillyrea latifolia, and Arbutus unedo). [...]
2021 - 10.3390/f12050605
Forests, Vol. 12, Issue 5 (May 2021) , art. 605  
Registre complet - Creative Commons
2.
29 p, 1.5 MB The role of climate, foliar stoichiometry and plant diversity on ecosystem carbon balance / Fernández-Martínez, Marcos (University of Antwerp. Department of Biology (Belgium)) ; Sardans i Galobart, Jordi (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Musavi, Talie (Max Planck Institute for Biogeochemistry. Department Biogeochemical Integration (Germany)) ; Migliavacca, Mirco (Max Planck Institute for Biogeochemistry. Department Biogeochemical Integration (Germany)) ; Iturrate-Garcia, Maitane (Federal Institute of Metrology. Department of Chemical and Biological Metrology (Switzerland)) ; Scholes, Robert J. (University of the Witwatersrand. Global Change Institute (South Africa)) ; Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Janssens, Ivan (University of Antwerp. Department of Biology (Belgium))
Global change is affecting terrestrial carbon (C) balances. The effect of climate on ecosystem C balance has been largely explored, but the roles of other concurrently changing factors, such as diversity and nutrient availability, remain elusive. [...]
2020 - 10.1111/gcb.15385
Global change biology, vol.26 12 (October 2020) p. 7067-7078  
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3.
37 p, 855.7 KB Shifts in the elemental composition of plants during a very severe drought / Urbina Barreto, Ifigenia (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Sardans i Galobart, Jordi (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Beierkuhnlein, Carl (Universität Bayreuth. Department of Biogeography) ; Jentsch, Anke (Universität Bayreuth. Disturbance Ecology and Vegetation Dynamics) ; Backhausd, Sabrina (Universität Bayreuth. Disturbance Ecology and Vegetation Dynamics) ; Grant, Kerstin (Universität Bayreuth. Disturbance Ecology and Vegetation Dynamics) ; Kreyling, Juergen (Universität Bayreuth. Department of Biogeography) ; Peñuelas, Josep (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia)
Diverse plant functions (e. g. , growth, storage, defense and anti-stress mechanisms) use elements disproportionally. We hypothesized that plants growing under different abiotic and biotic conditions would shift their elemental compositions in response to a very severe drought. [...]
2015 - 10.1016/j.envexpbot.2014.10.005
Environmental and experimental botany, Vol. 111 (March 2015) , p. 63-73
2 documents
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4.
11 p, 578.9 KB Variations in chemistry of macerals as refl ected by micro-scale analysis of a Spanish coal / Mastalerz, M. (Indiana University. Indiana Geological Survey) ; Hower, J. C. (University of Kentucky. Center for Applied Energy Research) ; Taulbee, D. N. University of Kentucky. Center for Applied Energy Research
An Oligocene lignite (Ebro Basin, Spain) and its density fractions were analyzed petrographically and with microscale techniques (electron microprobe and micro-FTIR) to gain insight into differences between individual macerals of low rank high-sulfur coal. [...]
2013 - 10.1344/105.000002054
Geologica acta, Vol. 11, Núm. 4 (December 2013) , p. 483-493  
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5.
15 p, 265.0 KB Faster returns on 'leaf economics' and different biogeochemical niche in invasive compared with native plant species / Peñuelas, Josep (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia) ; Sardans i Galobart, Jordi (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Llusia, Joan (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Owen, Susan M. (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Carnicer i Cols, Jofre (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Giambelluca, Thomas (University of Hawaii at Manoa. Department of Geography) ; Rezende, Enrico (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ; Waite, Mashuri (University of Hawaii at Manoa. Department of Botany) ; Niinemets, Ülo (Estonian University of Life Sciences. Institute of Agricultural and Environmental Sciences)
Plant-invasive success is one of the most important current global changes in the biosphere. To understand which factors explain such success, we compared the foliar traits of 41 native and 47 alien-invasive plant species in Oahu Island (Hawaii), a location with a highly endemic flora that has evolved in isolation and is currently vulnerable to invasions by exotic plant species. [...]
2010 - 10.1111/j.1365-2486.2009.02054.x
Global change biology, Vol. 16, Núm. 8 (Agost 2010) , p. 2171-2185  
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6.
14 p, 289.2 KB Elemental ratios in sediments as indicators of ecological processes in Spanish reservoirs / López Laseras, Pilar (Universitat de Barcelona. Departament d'Ecologia) ; Navarro, E. (Universitat de Barcelona. Departament d'Ecologia) ; Marce Romero, Rafael (Universitat de Barcelona. Departament d'Ecologia) ; Ordóñez Salinas, Jaime (Universitat de Barcelona. Departament d'Ecologia) ; Caputo Galarce, Luciano (Universitat de Barcelona. Departament d'Ecologia) ; Armengol, Joan (Universitat de Barcelona. Departament d'Ecologia)
Reservoir sediments are important archives of biogeochemical data, reflecting ecological processes that occur at the watershed system. In this paper, a preliminary study of the limnological significance of major element composition and element ratios in sediments of Spanish reservoirs is presented, by analysing two data-sets from different limnological regions. [...]
El sedimento de los embalses constituye un importante registro de datos biogeoquímicos, ya que refleja los procesos ecológicos que tienen lugar en el conjunto de la cuenca hidrográfica. A partir del análisis de dos conjuntos de datos obtenidos en distintas regiones limnológicas, se presenta una aproximación preliminar al significado limnológico de la composición química y los cocientes elementales en el sedimento de los embalses españoles. [...]
2006
Limnética, V. 25 n. 1-2 (2006) p. 499-512  
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Documents de recerca 1 registres trobats  
1.
163 p, 5.0 MB Global change and forest nutrient stoichiometry. The foliar elemental composition of woody plants and its drivers / Vallicrosa Pou, Helena ; Peñuelas, Josep, dir. ; Sardans i Galobart, Jordi, dir.
Aquesta tesi se centra al voltant de la composició química elemental de les fulles de les plantes llenyoses i té com a objectiu establir-hi relacions ecològiques. Al llarg dels seus diferents capítols explora la composició foliar elemental a nivell regional, a través d'experiments de camp, a nivell continental Europeu i finalment a nivell global, a través de modelització. [...]
Esta tesis divaga alrededor de la composición química elemental de las hojas de las plantas leñosas y tiene como objetivo establecer relaciones ecológicas. A lo largo de sus diferentes capítulos explora la composición foliar elemental a nivel regional, mediante experimentos de campo, a nivel continental Europeo y finalmente a nivel global, mediante modelización. [...]
This thesis focuses on the elemental chemical composition of the leaves of woody plants and aims to establish ecological relationships with it. Throughout its different chapters it explores the elementary foliar composition at regional level, through field experiments, at continental European level and finally at global level, through modeling. [...]
2021  
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