Now showing items 2-21 of 169

    • A germination study of herbicide-resistant field poppies in Spain 

      Cirujeda Ranzenberger, Alicia; Recasens i Guinjuan, Jordi; Torra Farré, Joel; Taberner Palou, Andreu (EDP SciencesInstitut national de la recherche agronomique (França), 2008)
      Field poppy, Papaver rhoeas L., is a very common weed in winter cereals in North-Eastern Spain. Its control is becoming difficult due to expanding herbicide resistance. To control field poppies there are alternative ...
    • A proposal of nitrogen balance in a very high density olive orchard 

      Belguerri, Hemza; Villar Mir, Josep Ma.; Pascual Roca, Miquel; Fatmi, A.; Amadeu, A.; Rufat i Lamarca, Josep (El Oued University, 2016)
      The nitrogen (N) balance was estimated in a very high density olive orchard in north- east of Spain, in order to calculate the inputs and outputs of N related to tree response and soil nitrogen availability. The calculate ...
    • A survey of Lolium rigidum populations in citrus orchards: Factors explaining infestation levels 

      Atanackovic, Valentina; Juárez Escario, Alejandro; Recasens i Guinjuan, Jordi; Torra Farré, Joel (Weed Science Society of Japan, 2015)
      The presence of herbicide-resistant Lolium rigidum in Mediterranean (Spanish) citrus orchards was reported in 2005 and it poses a serious threat to crop management. The main objective of this research was to investigate ...
    • Above-soil and in-soil degradation of oxo- and biodegradable mulches: a qualitative approach 

      Martin-Closas, Lluis; Costa Tura, Joan; Cirujeda Ranzenberger, Alicia; Aibar, J.; Zaragoza, C.; Pardo, A.; Suso, M. L.; Moreno, M. M.; Moreno, C.; Lahoz, I.; Mácua, J.; Pelacho Aja, Ana Mª (CSIRO Publishing, 2016)
      Degradable materials have been suggested to overcome accumulation in the field of persistent plastic residues associated with the increasing use of polyethylene mulches. New degradable materials have been proven successful ...
    • Accumulation of target gene mutations confers multiple resistance to ALS, ACCase and EPSPS inhibitors in Lolium species in Chile 

      Vazquez-Garcia, José G.; Alcántara-de la Cruz, Ricardo; Palma-Bautista, Candelario; Rojano-Delgado, Antonia M.; Cruz-Hipólito, Hugo E.; Torra Farré, Joel; Barro, Francisco; Prado, Rafael de (Frontiers Media, 2020-10-28)
      Different Lolium species, common weeds in cereal fields and fruit orchards in Chile, were reported showing isolated resistance to the acetyl CoA carboxylase (ACCase), acetolactate synthase (ALS) and 5-enolpyruvylshikimat ...
    • Actualización de las categorías de amenaza para la flora vascular de Andorra 

      Pladevall, Clara; Domènech Ferrés, Marta; Conesa i Mor, Josep A. (Josep Antoni) (Flora Montibérica, 2016)
      Desde la publicación en el año 2008 de la Check-list i Llista vermella de la flora d’Andorra, el Centre d’Estudis de la Neu i de la Muntanya d’Andorra (CENMA) ha ido realizando un seguimiento anual por ambientes de algunos ...
    • After sigmatism: What we learned on spatiotemporal changes in grassland communities after 10 years 

      Sebastià, Ma. T.; Canals, Rosa M.; Gamarra, Javier G. P. (Universitat de Barcelona, 1998)
      In this paper we summarize our findings on grassland communities after more than ten years of research on spatiotemporal patterns of vegetation, phenology, productivity and species richness. Grassland species from the ...
    • Amaranthus palmeri a New Invasive Weed in Spain with Herbicide Resistant Biotypes 

      Torra Farré, Joel; Royo-Esnal, Aritz; Romano, Yolanda; Osuna, Maria D.; León, Ramón G.; Recasens i Guinjuan, Jordi (MDPI, 2020-07-10)
      Amaranthus palmeri is the most prominent invasive weed in agricultural land from North America, partly due to its propensity to evolve resistance to multiple herbicide sites of action. In the last two decades, reports of ...
    • An improved model to predict the effects of changing biodiversity levels on ecosystem function 

      Connolly, John; Bell, Thomas; Bolger, Thomas; Brophy, Caroline; Carnus, Timothee; Finn, John A.; Kirwan, Laura; Isbell, Forest; Levine, Jonathan; Lüscher, Andreas; Picasso, Valentin; Roscher, Christiane; Sebastià, Ma. T.; Suter, Matthias; Weigelt, Alexandra (Wiley, 2013)
      The development of models of the relationship between biodiversity and ecosystem function (BEF) has advanced rapidly over the last 20 years, incorporating insights gained through extensive experimental work. We propose ...
    • Analysing spatial correlation of weeds and harvester ants in cereal fields using point processes 

      Comas Rodríguez, Carles; Royo-Esnal, Aritz; Recasens i Guinjuan, Jordi; Torra Farré, Joel (Springer Verlag, 2016)
      The interaction between the spatial distribution of weed richness and weed cover and the spatial location of harvester ant nets was investigated in cereal fields. The understanding of such interdependencies can be relevant ...
    • Aportació al coneixement florístic de l'Alta Ribagorça i de la Vall d'Aran 

      Canalís i Hernández, Víctor; Baulies i Bochaca, Xavier; Sebastià, Ma. T.; Ballesteros i Segarra, Enric (Institució Catalana d'Història Natural, 1984)
      Some records of vascular flora from the Alta Ribagorga and the Vall d'Aran are commented. Observations about their habitat are given. Findings of Avenula marginate ssp. pyrenaica, Carex ferruginea, Carum verticillatum and ...
    • Assessing yield losses caused by the harvester ant Messor barbarus (L.) in winter cereals 

      Baraibar Padró, Bàrbara; Ledesma, Raquel; Royo-Esnal, Aritz; Westerman, Paula Renate (Elsevier, 2011)
      Harvester ants from the species Messor barbarus (L.) are important seed predators in semi-arid cereal fields of NE Spain, and can contribute substantially to weed control. However, occasionally they harvest newly sown crop ...
    • Assignació de recursos en Diplotaxis erucoides (L.) DC 

      Tudela, A.; Recasens i Guinjuan, Jordi; Riba Pijuan, Ferran (Universitat Autònoma de Barcelona. Departament de Biologia Animal, Biologia Vegetal i Ecologia, 1994)
      Seeds of Diplotaxis erucoides collected un the fields of the ETSEA of Lleida in spring of 1989 were sown in pots in Mars of 1990 after their conservation at lab temperature and humidity. To estimate the biomass: allocation ...
    • Biodegradable plastic mulch films: impacts on soil microbial communities and ecosystem functions 

      Bandyopadhyay, Sreejata; Martin-Closas, Lluis; Pelacho Aja, Ana Mª; DeBruyn, Jennifer M. (Frontiers Media, 2018)
      Agricultural plastic mulch films are widely used in specialty crop production systems because of their agronomic benefits. Biodegradable plastic mulches (BDMs) offer an environmentally sustainable alternative to conventional ...
    • Biodiversity differences between managed and unmanaged forests: meta-analysis of species richness in Europe 

      Paillet, Yoan; Bergès, Laurent; Hjältén, Joakim; Ódor, Péter; Avon, Catherine; Bernhardt Römermann, Markus; Bijlsma, Rienk-Jan; de Bruyn, Luc; Fuhr, Marc; Grandin, Ulf; Kanka, Robert; Lundin, Lars; Luque, Sandra; Magura, Tibor; Matesanz, Silvia; Mészáros, Ilona; Sebastià, Ma. T.; Schemidt, Wolfgang; Standovár, Tibor; Tóthmérész, Béla; Uotila, Anneli; Valladares, Fernando; Vellak, Kai; Virtanen, Risto (Wiley, 2010)
      Past and present pressures on forest resources have led to a drastic decrease in the surface area of unmanaged forests in Europe. Changes in forest structure, composition, and dynamics inevitably lead to changes in the ...
    • Building bridges: an integrated strategy for sustainable food production throughout the value chain 

      Albajes Garcia, Ramon; Cantero-Martínez, Carlos; Capell Capell, Teresa; Christou, Paul; Farré Martinez, Alba; Galceran i Nogués, Josep; López Gatius, Fernando; Marín Sillué, Sònia; Martín Belloso, Olga; Motilva Casado, Mª José; Nogareda, Carmina; Pemán García, Jesús; Puy Llorens, Jaume; Recasens i Guinjuan, Jordi; Romagosa Clariana, Ignacio; Romero Fabregat, Mª Paz; Sanchís Almenar, Vicente; Savin, Roxana; Slafer, Gustavo A.; Soliva-Fortuny, Robert; Viñas Almenar, Inmaculada; Voltas Velasco, Jordi (Springer, 2013)
      The food production and processing value chain is under pressure from all sides-increasing demand driven by a growing and more affluent population; dwindling resources caused by urbanization, land erosion, pollution and ...
    • Camelina as rotation crop for weed control in organic farming in a semi-arid Mediterranean climate 

      Royo-Esnal, Aritz; Valencia-Gredilla, Francisco (MDPI, 2018-10-24)
      Crop rotation in winter cereals in semiarid Mediterranean climates is highly desirable to prevent weed infestations, but the climatic conditions make it difficult to implement alternative crops to winter cereals. Camelina ...
    • Carbon-nitrogen interactions in European forests and semi-natural vegetation – Part 1: Fluxes and budgets of carbon, nitrogen and greenhouse gases from ecosystem monitoring and modelling 

      Flechard, Chris R.; Ibrom, Andreas; Skiba, Ute M.; de Vries, Wim; van Oijen, Marcel; Cameron, David R.; Dise, Nancy B.; Korhonen, Janne F.J.; Buchmann, Nina; Legout, Arnaud; Simpson, David; Sanz, Maria J.; Aubinet, Marc; Loustau, Denis; Montagnani, Leonardo; Neirynck, Johan; Janssens, Ivan A.; Pihlatie, Mari; Kiese, Ralf; Siemens, J.; Francez, André-Jean; Augustin, Jürgen; Varlagin, Andrej; Olejnik, Janusz; Juszczak, Radosław; Aurela, Mika; Berveiller, Daniel; Chojnicki, Bogdan H.; Dämmgen, Ulrich; Delpierre, Nicolas; Djuricic, Vesna; Drewer, Julia; Dufrêne, Eric; Eugster, Werner; Fauvel, Yannick; Fowler, David; Frumau, Arnoud; Granier, André; Gross, Patrick; Hamon, Yannick; Helfter, Carole; Hensen, Arjan; Horváth, László; Kitzler, Barbara; Kruijt, Bart; Kutsch, Werner L.; Lobo-do-Vale, Raquel; Lohila, A.; Longdoz, Bernard; Marek, Michal V.; Matteucci, Giorgio; Mitosinkova, Marta; Moreaux, Virginie; Neftel, Albrecht; Ourcival, Jean-Marc; Pilegaard, K.; Pita, Gabriel; Sanz, Francisco; Schjoerring, Jan K.; Sebastià, Ma. T.; Tang, Y. Sim; Uggerud, Hilde; Urbaniak, Marek; van Dijk, Netty; Vesala, Timo; Vidic, Sonja; Vincke, Caroline; Weidinger, Tamás; Zechmeister-Boltenstern, Sophie; Butterbach-Bahl, Klaus; Nemitz, Eiko; Sutton, Mark A. (European Geosciences UnionCopernicus Publications, 2020-03-26)
      The impact of atmospheric reactive nitrogen (Nr) deposition on carbon (C) sequestration in soils and biomass of unfertilized, natural, semi-natural and forest ecosystems has been much debated. Many previous results of this ...
    • Cereal-legume mixtures increase net CO2 uptake in a forage system of the Eastern Pyrenees 

      Ibañez, Mercedes; Altimir, Núria; Ribas Artola, Àngela; Eugster, Werner; Sebastià, Ma. T. (European Geosciences UnionCopernicus Publications, 2020-06-11)
      Forage systems are the major land use, and provide essential resources for animal feeding. Assessing the influence of forage species on net ecosystem CO2 exchange (NEE) is key to develop management strategies that can help ...
    • Changes in biodiversity composition and soil nutrient content with management in a Pyrenean grassland community 

      Ribas Artola, Àngela; Llurba, Rosa; Ventura, D.; Hodge, Angela; Sebastià, Ma. T. (European Grassland Federation, 2010)
      We investigated the influence of livestock type on vegetation and biogeochemical cycling in grasslands with the objective of describing differences between agropastoral systems experiencing different managements from a ...