Freitas, Helena

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Freitas, Helena
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Publications

Results 1-20 of 48 (Search time: 0.27 seconds).

Issue DateTitleAuthor(s)TypeAccess
12015Adjustment Capacity of Maritime Pine Cambial Activity in Drought-Prone EnvironmentsVieira, Joana ; Campelo, Filipe ; Rossi, Sergio ; Carvalho, Ana ; Freitas, Helena ; Nabais, Cristina articleopenAccess
22010Arbuscular mycorrhizal fungal diversity and composition in pastures of the Azores : assessing the impact of management practicesMelo, Catarina Alexandra Drumonde doctoralThesisopenAccess
32008Arbuscular mycorrhizal fungi of Ammophila arenaria (L.) Link: Spore abundance and root colonisation in six locations of the European coastRodríguez-Echeverría, Susana ; Hol, W.H. Gera ; Freitas, Helena ; Eason, William R. ; Cook, Roger articleopenAccess
414-May-2008Belowground mutualists and the invasive ability of Acacia longifolia in coastal dunes of PortugalRodríguez-Echeverría, Susana ; Crisóstomo, João ; Nabais, Cristina ; Freitas, Helena articleopenAccess
513-Dec-2013Cambial activity and wood formation of Maritime pine in a drought-prone environment: the effect of growth rate, size and climateVieira, Joana doctoralThesisopenAccess
613-Dec-2013Cambial activity and wood formation of Maritime pine in a drought-prone environment: the effect of growth rate, size and climateVieira, Joana Margarida Soares doctoralThesisopenAccess
729-Aug-2008Can root-feeders alter the composition of AMF communities? Experimental evidence from the dune grass Ammophila arenariaRodríguez-Echeverría, Susana ; de la Peña, Eduardo ; Moens, Maurice ; Freitas, Helena ; van der Putten, Wim H. articleopenAccess
830-Apr-2007Caracterização da flora vascular e do padrão e dinâmica da paisagem na Serra do Caramulo : análise do estado de conservação de taxa prioritáriosRibeiro, Pedro Miguel da Costa doctoralThesisopenAccess
92004Change in plant spatial patterns and diversity along the successional gradient of Mediterranean grazing ecosystemsAlados, Concepción L. ; ElAich, Ahmed ; Papanastasis, Vasilios P. ; Ozbek, Huseyin ; Navarro, Teresa ; Freitas, Helena ; Vrahnakis, Mihalis ; Larrosi, Driss ; Cabezudo, Baltasar articleopenAccess
102008Characterization of metal-resistant plant-growth promoting Bacillus weihenstephanensis isolated from serpentine soil in PortugalRajkumar, Mani ; Ma, Ying ; Freitas, Helena articleopenAccess
112006Diversity of AMF associated with Ammophila arenaria ssp. arundinacea in Portuguese sand dunesRodríguez-Echeverría, Susana ; Freitas, Helena articleopenAccess
122008The early effects of afforestation on biodiversity of grasslands in IrelandBuscardo, Erika ; Smith, George ; Kelly, Daniel ; Freitas, Helena ; Iremonger, Susan ; Mitchell, Fraser ; O’Donoghue, Saoirse ; McKee, Anne-Marie articleopenAccess
132014Ecological networks: delving into the architecture of biodiversityHeleno, Ruben ; Garcia, Cristina ; Jordano, Pedro ; Traveset, Anna ; Gómez, José Maria ; Bluthgen, Nico ; Memmott, Jane ; Moora, Mari ; Cerdeira, Jorge ; Rodrıíguez-Echeverría, Susana ; Freitas, Helena ; Olesen, Jens M. articleopenAccess
1421-Jul-2015Ecological processes related to urban development and land use change in the municipality of CoimbraBarrico, Maria de Lurdes Chorro Simões doctoralThesisopenAccess
152009Ecophysiological tolerance of duckweeds exposed to copperKanoun-Boulé, Myriam ; Vicente, Joaquim A. F. ; Nabais, Cristina ; Prasad, M. N. V. ; Freitas, Helena articleopenAccess
162008Effects of inoculation of plant-growth promoting bacteria on Ni uptake by Indian mustardRajkumar, Mani ; Freitas, Helena articleopenAccess
1729-Sep-2008Effects of land use change on plant composition and ecosystem functioning in an extensive agro-pastoral system : plant functional traits and ecosystems processesCastro, Helena Isabel Ferreira de doctoralThesisopenAccess
182007Effects of nickel hyperaccumulation in Alyssum pintodasilvae on model arthropods representatives of two trophic levelsGonçalves, M. ; Gonçalves, Susana ; Portugal, António ; Silva, Sandra ; Sousa, José ; Freitas, Helena articleopenAccess
1915-Jun-2010Enhanced phytoextraction of metal contaminated soils using plant growth promoting bacteriaMa, Ying doctoralThesisembargoedAccess
2028-Feb-2014A Flore Portugaise e as viagens de Hoffmannsegg e Link a Portugal (1795-1801)Oliveira, Nuno Fernando da Ascenção Gomes doctoralThesisopenAccess