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Issue DateTitleAuthor(s)TypeAccess
12013Seasonal and daily cycles of stem radial variation of Pinus pinaster in a drought-prone environmentVieira, Joana ; Rossi, Sergio ; Campelo, Filipe ; Freitas, Helena ; Nabais, Cristina articleembargoedAccess
22008Effects of inoculation of plant-growth promoting bacteria on Ni uptake by Indian mustardRajkumar, Mani ; Freitas, Helena articleopenAccess
329-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
42007Salicornia ramosissima population dynamics and tolerance of salinitySilva, Helena ; Caldeira, Gustavo ; Freitas, Helena articleopenAccess
52007Genetic 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
62014Large 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
72008Characterization of metal-resistant plant-growth promoting Bacillus weihenstephanensis isolated from serpentine soil in PortugalRajkumar, Mani ; Ma, Ying ; Freitas, Helena articleopenAccess
82004Recovery Potential of Dune Ecosystems Invaded by an Exotic Acacia Species (Acacia longifolia)Marchante, Hélia S. ; Marchante, Elizabete M. ; Buscardo, Erika ; Maia, José ; Freitas, Helena articleopenAccess
92019Editorial: Beneficial Microbes Alleviate Climatic Stresses in PlantsMa, Ying ; Vosátka, Miroslav; Freitas, Helena articleopenAccess
1030-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
1129-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
122006Diversity of AMF associated with Ammophila arenaria ssp. arundinacea in Portuguese sand dunesRodríguez-Echeverría, Susana ; Freitas, Helena articleopenAccess
13Aug-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
142008The 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
1530-Apr-2009Improvement of plant growth and nickel uptake by nickel resistant-plant-growth promoting bacteriaMa, Ying ; Rajkumar, Mani ; Freitas, Helena articleopenAccess
162000Fungal biomass and decomposition in Spartina maritima leaves in the Mondego salt marsh (Portugal)Castro, Paula ; Freitas, Helena articleopenAccess
172006Mechanism 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
1814-May-2008Belowground mutualists and the invasive ability of Acacia longifolia in coastal dunes of PortugalRodríguez-Echeverría, Susana ; Crisóstomo, João ; Nabais, Cristina ; Freitas, Helena articleopenAccess
192008Soil recovery after removal of the N2-fixing invasive Acacia longifolia : consequences for ecosystem restorationMarchante, Elizabete ; Kjøller, Annelise ; Struwe, Sten ; Freitas, Helena articleopenAccess
202007Effects 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
212009Ecophysiological tolerance of duckweeds exposed to copperKanoun-Boulé, Myriam ; Vicente, Joaquim A. F. ; Nabais, Cristina ; Prasad, M. N. V. ; Freitas, Helena articleopenAccess
222014A Ni hyperaccumulator and a congeneric non-accumulator reveal equally effective defenses against herbivoryBoas, Mariana Vilas ; Gonçalves, Susana C. ; Portugal, António ; Freitas, Helena ; Gonçalves, M. Teresa articleopenAccess
232014Ecological 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 ; Rodríguez-Echeverría, Susana ; Freitas, Helena ; Olesen, Jens M. articleopenAccess
242008Responses of root-feeding nematodes (Helicotylenchus spp.) to local and non-local populations of the host plant Ammophila arenariaSchreck Reis, Catarina ; Freitas, Helena ; van der Putten, Wim H. articleopenAccess
252007Testing for the survey mode effect on contingent valuation data quality: A case study of web based versus in-person interviewsMarta-Pedroso, Cristina ; Freitas, Helena ; Domingos, Tiago articleopenAccess
262008Arbuscular 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
272004Change 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
2829-Aug-2008Short- and long-term impacts of Acacia longifolia invasion on the belowground processes of a Mediterranean coastal dune ecosystemMarchante, Elizabete ; Kjøller, Annelise ; Struwe, Sten ; Freitas, Helena articleopenAccess
292008Influence of metal resistant-plant growth-promoting bacteria on the growth of Ricinus communis in soil contaminated with heavy metalsRajkumar, Mani ; Freitas, Helena articleopenAccess
302007Narcissus × caramulensis (Amaryllidaceae), a new hybrid for the portuguese floraRibeiro, Pedro; Paiva, Jorge ; Freitas, Helena articleopenAccess
31Sep-2023The effect of COVID-19 confinement on the activity behaviour of red deerGarcia, Fernanda ; Silva, António Alves da ; Freitas, Helena ; Sousa, José Paulo ; Alves, Joana articleopenAccess
3227-Mar-2023Functional Groups Response to Water Deficit in Mediterranean EcosystemsCastro, Helena ; Dias, Maria Celeste ; Sousa, José Paulo ; Freitas, Helena articleopenAccess
332023Litter 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
342023Editorial: Non-native tree species: Impacts and managementCampagnaro, Thomas; Badalamenti, Emilio; Castro-Díez, Pilar; Freitas, Helena articleopenAccess
352023Agroecology and invasive alien plants: A winner-take-all gameTataridas, Alexandros; Travlos, Ilias; Freitas, Helena articleopenAccess
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