Browsing by Author Freitas, Helena


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Issue DateTitleAuthor(s)TypeAccess
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
2023Litter Deposition and Nutrient Cycling of Invaded Environments by Cryptostegia madagascariensis at Tropical Cambisols from Northeastern BrazilSouza, Tancredo Augusto Feitosa de ; Lucena, Edjane Oliveira de; de Andrade, Leonaldo Alves; da Silva, Lucas Jónatan Rodrigues; Nascimento, Gislaine dos Santos; Freitas, Helena articleopenAccess
2006Mechanism of control of root-feeding nematodes by mycorrhizal fungi in the dune grass Ammophila arenariaPeña, Eduardo de la ; Echeverría, Susana Rodriguez ; Putten, Wim H. van der ; Freitas, Helena ; Moens, Maurice articleopenAccess
2000Micorrizas em Festuca Brigantina : funcionamento e significado ecológicoGonçalves, Susana Cláudia de Freitas Rodrigues masterThesisopenAccess
17-Jun-2015Modelo de avaliação de sustentabilidade integrado e global para ecossistemas florestais: Bioenergia, produtos derivados de madeira e co-produtosNunes, João Miguel dos Santos Almeida doctoralThesisembargoedAccess
2000Monitorização de Ammophila arenaria (L.) Link em ecossistemas dunares portuguesesReis, Catarina Schreck Carmo dos masterThesisopenAccess
2018Multilayer networks reveal the spatial structure of seed-dispersal interactions across the Great Rift landscapesTimóteo, Sérgio ; Correia, Marta ; Rodríguez-Echeverría, Susana ; Freitas, Helena ; Heleno, Ruben articleopenAccess
2007Narcissus × caramulensis (Amaryllidaceae), a new hybrid for the portuguese floraRibeiro, Pedro; Paiva, Jorge ; Freitas, Helena articleopenAccess