Now showing items 128-147 of 183

    • Partitioning of functional diversity reveals the scale and extent of trait convergence and divergence 

      de Bello, Francesco; Wilfried, Thuiller; Jan, Leps; Choler, Philippe; Clément, Jean-Christophe; Macek, Petr; Lavorel, Sandra; Sebastià, Ma. T. (Wiley, 2009)
      Questions: Trait differentiation among species occurs at different spatial scales within a region. How does the partitioning of functional diversity help to identify different community assembly mechanisms? Location: ...
    • El patrimoni vegetal de l’espai natural «Coladors de Boldú-Montsuar» a la comarca de l’Urgell 

      Conesa i Mor, Josep A. (Josep Antoni); Recasens i Guinjuan, Jordi; Mayoral Arqué, Antoni (Institució Catalana d'Història Natural, 2000)
      En aquest article es fa una descripció dels valors naturals presents al paratge conegut amb el nom de Coladors de Boldú-Montsuar, ubicat a la plana urgellenca, així com una proposta de redacció d’un Pla especial de protecció ...
    • Performance and environmental impact of biodegradable polymers as agricultural mulching films 

      Touchaleaume, François; Martin-Closas, Lluis; Angellier Coussy, Hélène; Chevillard, Anne; Cesar, Guy; Gontard, Nathalie; Gastaldi, Emmanuelle (Elsevier, 2016)
      In the aim of resolving environmental key issues such as irreversible soil pollution by non-biodegradable and non-recoverable polyethylene (PE) fragments, a full-scale field experiment was set up to evaluate the suitability ...
    • Phenology and plant functional type dominance drive CO2 exchange in seminatural grasslands in the Pyrenees 

      Ibañez, Mercedes; Altimir, Núria; Ribas Artola, Àngela; Eugster, Werner; Sebastià, Ma. T. (Cambridge University Press, 2020)
      Understanding the mechanisms underlying net ecosystem CO2 exchange (NEE) in mountain grasslands is important to quantify their relevance in the global carbon budget. However, complex interactions between environmental ...
    • Plant Functional Diversity, Climate and Grazer Type Regulate Soil Activity in Natural Grasslands 

      Debouk, Haifa; San Emeterio, Leticia; Marí Marí, Teresa; Canals, Rosa M.; Sebastià, Ma. T. (MDPI, 2020-08-31)
      Global change modifies vegetation composition in grasslands with shifts in plant functional types (PFT). Although changes in plant community composition imply changes in soil function, this relationship is not well understood. ...
    • Plant guilds drive biomass response to global warming and water availability in subalpine grassland 

      Sebastià, Ma. T. (Wiley, 2007)
      1. The consequences of global warming and changes in resource availability were investigated in subalpine grasslands in the Pyrenees. These communities are considered to be especially vulnerable to climate change because ...
    • Prevalence of pesticides in postconsumer agrochemical polymeric packaging 

      Eras i Joli, Jordi; Costa Tura, Joan; Vilaró, Francisca; Pelacho Aja, Ana Mª; Canela i Garayoa, Ramon; Martin-Closas, Lluis (Elsevier, 2017)
      Pesticide remains contained in agrochemical packagingwaste are a source of uncontrolled risk for human health; they are also a quality feedstock for the plastic recycling industry.Many governments have recently started to ...
    • Publicacions sobre farratges i pastures a Catalunya (1800-2004) 

      Manent Vivas, Josep; Chocarro, Cristina; Fanlo Domínguez, Rosario; Lloveras Vilamanyà, Jaume; Sebastià, Ma. T. (Institució Catalana d'Estudis Agraris, 2006)
      A causa de la ràpida evolució de la tecnologia, una gran quantitat de publicacions sobre pastures i farratges fetes a Catalunya han quedat oblidades. S’aprofita l’oportunitat de participar en el projecte «Tipificación, ...
    • Quality Assessment of Photogrammetric Methods—A Workflow for Reproducible UAS Orthomosaics 

      Ludwig, Marvin; Runge, Christian M.; Friess, Nicolas; Koch, Tiziana L.; Richter, Sebastian; Seyfried, Simon; Wraase, Luise; Lobo, Agustin; Sebastià, Ma. T.; Reudenbach, Christoph; Nauss, Thomas (MDPI, 2020-11-22)
      Unmanned aerial systems (UAS) are cost-effective, flexible and offer a wide range of applications. If equipped with optical sensors, orthophotos with very high spatial resolution can be retrieved using photogrammetric ...
    • Reduced absorption and impaired translocation endows glyphosate resistance in Amaranthus palmeri harvested in GR soybean from Argentina 

      Palma-Bautista, Candelario; Torra Farré, Joel; García, María J.; Bracamonte, Enzo; Rojano-Delgado, Antonia M.; Alcántara-de la Cruz, Ricardo; Prado, Rafael de ((c) American Chemical Society, 2019, 2019)
      Amaranthus palmeri S. Watson is probably the worst glyphosate-resistant (GR) weed worldwide. The EPSPS (5-enolpyruvylshikimate-3-phosphate-synthase) gene amplification has been reported as the major target-site-resistance ...
    • Reflexiones y recomendaciones sobre la poda de frutales 

      Urbina Vallejo, Valero; Dalmases Mestre, Josep; Pascual Roca, Miquel (Eumedia, 1999)
      Ante la nueva campaña de poda invernal se plantean una serie de consideraciones que pueden ser de utilidad para el fruticultor a la hora de tomar decisiones en la planificación de la poda y en la ejecución de las diferentes ...
    • Relationships between volatile production, fruit quality, and sensory evaluation in granny smith apples stored in different controlled-atmosphere treatments by means of multivariate analysis 

      Lavilla, T.; Puy Llorens, Jaume; Recasens Guinjuan, Inmaculada; Vendrell, M.; López Fructuoso, Mª Luisa (American Chemical Society, 1999)
      Aroma compounds, quality parameters, and sensory evaluation of Granny Smith apples were analyzed after 3, 5, and 7 months of cold storage in three controlled-atmosphere (CA) treatments, in which oxygen and carbon dioxide ...
    • Resistance Evolution to EPSPS Inhibiting Herbicides in False Barley (Hordeum murinum) Harvested in Southern Spain 

      Vázquez-García, José G.; Castro, Patricia; Torra Farré, Joel; Alcántara-de la Cruz, Ricardo; Prado, Rafael de (MDPI, 2020-07-10)
      A failure of the EPSPS-inhibiting herbicide glyphosate to control several populations of Hordeum murinum subsp. leporinum (or H. murinum) occurred in southern Spain after more than fifteen applications in both crop (olive, ...
    • Resistance mechanisms to 2,4-D in six different dicotyledonous weeds around the world 

      Palma-Bautista, Candelario; Rojano-Delgado, Antonia M.; Dellaferrera, Ignacio; Rosario, Jesús; Vigna, Mario R.; Torra Farré, Joel; Prado, Rafael de (MDPI, 2020-04-14)
      2,4-D resistance is increasing around the world due to both transgenic crops and resistance to other herbicides. The objective of the this study was to characterize the currently unknown mechanisms of 2,4-D resistance in ...
    • Respuesta germinativa a la temperatura y al ácido giberélico en especies pascícolas pirenaicas 

      Sebastià, Ma. T.; García- Pérez, J.; Pelacho Aja, Ana Mª (Universidad Politécnica de Madrid, 1994)
      Se analiza la capacidad de germinación de semillas de especies de pastos subalpinos pirenaicos a diferentes temperaturas. Se propone que especies de zonas ecológicamente diferenciadas presentan distintos requerimientos ...
    • Reviewing research priorities in weed ecology, evolution and management: a horizon scan 

      Neve, P.; Barney, J. N.; Buckley, Y.; Cousens, R. D.; Graham, S.; Jordan, N. R.; Lawton-Rauh, A.; Liebman, M.; Mesgaran, M. B.; Schut, M.; Shaw, J.; Storkey, J.; Baraibar Padró, Bàrbara; Baucom, R. S.; Chalak, M.; Childs, D. Z.; Christensen, S.; Eizenberg, H.; Fernandez Quintanilla, C.; French, K.; Marsch, M.; Heijting, S.; Harrison, L.; Loddo, D.; Macel, M.; Maczey, N.; Merotto, A.; Mortensen, D.; Necajeva, J.; Peltzer, D. A.; Recasens i Guinjuan, Jordi; Renton, M.; Riemens, M.; Sonderskov, M.; Williams, M. (Wiley, 2018)
      Weedy plants pose a major threat to food security, biodiversity, ecosystem services and consequently to human health and wellbeing. However, many currently used weed management approaches are increasingly unsustainable. ...
    • Rigput brome (Bromus diandrus Roth.) management in a no tilled field in Spain 

      Royo-Esnal, Aritz; Recasens i Guinjuan, Jordi; Garrido, Jesús; Torra Farré, Joel (MDPI, 2018-11-04)
      The adoption of no-till (NT) in the semi-arid region of Mediterranean Spain has promoted a weed vegetation change, where rigput brome (Bromus diandrus Roth) represents a main concern. In order to avoid complete reliance ...
    • Seasonal patterns of belowground biomass and productivity in mountain grasslands in the Pyrenees 

      Garcia i Pausas, Jordi; Casals, Pere; Romanyà i Socoró, Joan; Vallecillo Rodríguez, Sara; Sebastià, Ma. T. (Springer Verlag, 2011)
      Given the importance of root dynamics for soil C storage, the aim of this study was to analyze first the seasonal dynamics of belowground productivity and then the short-term effects of grazing exclosure on root dynamics ...
    • Seedling emergence response of rare arable plants to soil tillage varies by species 

      Torra Farré, Joel; Royo-Esnal, Aritz; Recasens i Guinjuan, Jordi (Public Library of Science, 2018-06-25)
      Very little information is available on emergence of rare arable plants (RAP) in relation to soil disturbance and seed burial conditions in Europe. This information is essential to design conservation and soil management ...
    • Semiempirical modeling of abiotic and biotic factors controlling ecosystem respiration across eddy covariance sites 

      Migliavacca, Mirco; Reichstein, Markus; Richardson, Andrew D.; Colombo, Roberto; Sutton, Mark A.; Lasslop, Gitta; Tomelleri, Enrico; Wohlfahrt, Georg; Carvalhais, Nuno; Cesatti, Alessandro; Mahecha, Miguel D.; Montagnani, Leonardo; Papale, Dario; Zaehle, Sönke; Arain, Altaf; Arneth, Almut; Black, Andrew; Carrara, Arnaud; Dore, Sabina; Gianelle, Damiano; Helfter, Carole; Hollinger, David; Kutsch, Werner L.; Lafleur, Peter M.; Nouvellon, Yann; Rebmann, Corinna; Da Rocha, Humberto R.; Rodeghiero, Mirco; Roupsard, Olivier; Sebastià, Ma. T.; Seufert, Guenther; Soussana, Jean- Françoise (Blackwell Publishing Ltd, 2011)
      In this study we examined ecosystem respiration (RECO) data from 104 sites belonging to FLUXNET, the global network of eddy covariance flux measurements. The goal was to identify the main factors involved in the variability ...