Browsing by Author Freitas, Helena


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Issue DateTitleAuthor(s)TypeAccess
28-Feb-2014A Flore Portugaise e as viagens de Hoffmannsegg e Link a Portugal (1795-1801)Oliveira, Nuno Fernando da Ascenção Gomes doctoralThesisopenAccess
2013Flow cytometry as a tool to assess the effects of gamma radiation on the viability, growth and metabolic activity of fungal sporesMesquita, N. ; Portugal, A. ; Piñar, G. ; Loureiro, J. ; Coutinho, A. P. ; Trovão, J. ; Nunes, I. ; Botelho, M. L. ; Freitas, H. articleopenAccess
27-Mar-2023Functional Groups Response to Water Deficit in Mediterranean EcosystemsCastro, Helena ; Dias, Maria Celeste ; Sousa, José Paulo ; Freitas, Helena articleopenAccess
2000Fungal biomass and decomposition in Spartina maritima leaves in the Mondego salt marsh (Portugal)Castro, Paula ; Freitas, Helena articleopenAccess
2007Genetic diversity and differential in vitro responses to Ni in Cenococcum geophilum isolates from serpentine soils in PortugalGonçalves, Susana ; Portugal, António ; Gonçalves, M. ; Vieira, Rita ; Martins-Loução, M. ; Freitas, Helena articleopenAccess
2008Genetic diversity in populations of <i>Erica andevalensis</i>, a vulnerable metallophyte species from the Iberian PeninsulaAlbuquerque, Manoel Bandeira de ; Rodríguez-Echeverría, Susana ; Freitas, Helena articleopenAccess
Aug-2007Genetic diversity of rhizobia associated with Acacia longifolia in two stages of invasion of coastal sand dunesRodríguez-Echeverría, Susana ; Crisóstomo, João A. ; Freitas, Helena articleopenAccess
5-Feb-2014Identification and control of fungal contamination in ancient heritage documentsMesquita, Nuno doctoralThesisembargoedAccess
15-Jun-1993Importância ecológica dos tricomas vesiculares em algumas espécies de AtriplexFreitas, Helena Maria de Oliveira doctoralThesisembargoedAccess
2013Improvement of Ni phytostabilization by inoculation of Ni resistant Bacillus megaterium SR28CRajkumar, Mani ; Ma, Ying ; Freitas, H. articleopenAccess
30-Apr-2009Improvement of plant growth and nickel uptake by nickel resistant-plant-growth promoting bacteriaMa, Ying ; Rajkumar, Mani ; Freitas, Helena articleopenAccess
2008Influence of metal resistant-plant growth-promoting bacteria on the growth of Ricinus communis in soil contaminated with heavy metalsRajkumar, Mani ; Freitas, Helena articleopenAccess
2013Influence of seasons and land-use practices on soil microbial activity and metabolic diversity in the “Montado ecosystem”Costa, Dalila ; Freitas, H. ; Sousa, J. P. articleopenAccess
29-Aug-2008Inoculation of plant growth promoting bacterium Achromobacter xylosoxidans strain Ax10 for the improvement of copper phytoextraction by Brassica junceaMa, Ying ; Rajkumar, Mani ; Freitas, Helena articleopenAccess
2019Integrating plant species contribution to mycorrhizal and seed dispersal mutualistic networksCorreia, Marta ; Rodríguez-Echeverría, Susana ; Timóteo, Sérgio ; Freitas, Helena ; Heleno, Ruben articleopenAccess
2001Invasão dos ecossistemas dunares portugueses por Acacia : uma ameaça para a biodiversidade nativaMarchante, Hélia Sofia D. C. masterThesisopenAccess
2007Invasion of Portuguese coastal dunes by Acacia longifolia : impacts on soil ecologyMarchante, Elizabete Maria Duarte Canas doctoralThesisopenAccess
2011Invasion of portuguese dunes by Acacia longifolia : present status and perspective for the futureMarchante, Hélia Sofia Duarte Canas doctoralThesisopenAccess
30-Apr-2009Isolation and characterization of Ni mobilizing PGPB from serpentine soils and their potential in promoting plant growth and Ni accumulation by Brassica spp.Ma, Ying ; Rajkumar, Mani ; Freitas, Helena articleopenAccess
2014Large and variable genome size unrelated to serpentine adaptation but supportive of cryptic sexuality in Cenococcum geophilumBourne, Elizabeth C. ; Mina, Diogo ; Gonçalves, Susana C. ; Loureiro, João ; Freitas, Helena ; Muller, Ludo A.H. articleopenAccess