| Issue Date | Title | Author(s) | Type | Access |
| 1 | 2008 | Effects of inoculation of plant-growth promoting bacteria on Ni uptake by Indian mustard | Rajkumar, Mani ; Freitas, Helena | article | openAccess |
| 2 | 29-Aug-2008 | Inoculation of plant growth promoting bacterium Achromobacter xylosoxidans strain Ax10 for the improvement of copper phytoextraction by Brassica juncea | Ma, Ying ; Rajkumar, Mani ; Freitas, Helena | article | openAccess |
| 3 | 14-Feb-2008 | Structure, regeneration and functional dynamics of fragmented Mediterranean forests | Mouro, Sara Maltez Ribeiro | doctoralThesis | embargoedAccess |
| 4 | 30-Apr-2007 | Caracterização da flora vascular e do padrão e dinâmica da paisagem na Serra do Caramulo : análise do estado de conservação de taxa prioritários | Ribeiro, Pedro Miguel da Costa | doctoralThesis | openAccess |
| 5 | 29-Sep-2008 | Effects of land use change on plant composition and ecosystem functioning in an extensive agro-pastoral system : plant functional traits and ecosystems processes | Castro, Helena Isabel Ferreira de | doctoralThesis | openAccess |
| 6 | 14-Mar-2008 | Climatic significance of tree-ring width and intra-annual wood features in Pinus pinea L. and Quercus ilex L. | Campelo, Filipe José Valente | doctoralThesis | embargoedAccess |
| 7 | 2007 | Salicornia ramosissima population dynamics and tolerance of salinity | Silva, Helena ; Caldeira, Gustavo ; Freitas, Helena | article | openAccess |
| 8 | 2007 | Genetic diversity and differential in vitro responses to Ni in Cenococcum geophilum isolates from serpentine soils in Portugal | Gonçalves, Susana ; Portugal, António ; Gonçalves, M. ; Vieira, Rita ; Martins-Loução, M. ; Freitas, Helena | article | openAccess |
| 9 | 2008 | Characterization of metal-resistant plant-growth promoting Bacillus weihenstephanensis isolated from serpentine soil in Portugal | Rajkumar, Mani ; Ma, Ying ; Freitas, Helena | article | openAccess |
| 10 | 30-Apr-2009 | Isolation 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 | article | openAccess |
| 11 | 29-Aug-2008 | Can root-feeders alter the composition of AMF communities? Experimental evidence from the dune grass Ammophila arenaria | Rodríguez-Echeverría, Susana ; de la Peña, Eduardo ; Moens, Maurice ; Freitas, Helena ; van der Putten, Wim H. | article | openAccess |
| 12 | 2006 | Diversity of AMF associated with Ammophila arenaria ssp. arundinacea in Portuguese sand dunes | Rodríguez-Echeverría, Susana ; Freitas, Helena | article | openAccess |
| 13 | Aug-2007 | Genetic diversity of rhizobia associated with Acacia longifolia in two stages of invasion of coastal sand dunes | Rodríguez-Echeverría, Susana ; Crisóstomo, João A. ; Freitas, Helena | article | openAccess |
| 14 | 2008 | The early effects of afforestation on biodiversity of grasslands in Ireland | Buscardo, Erika ; Smith, George ; Kelly, Daniel ; Freitas, Helena ; Iremonger, Susan ; Mitchell, Fraser ; O’Donoghue, Saoirse ; McKee, Anne-Marie | article | openAccess |
| 15 | 30-Apr-2009 | Improvement of plant growth and nickel uptake by nickel resistant-plant-growth promoting bacteria | Ma, Ying ; Rajkumar, Mani ; Freitas, Helena | article | openAccess |
| 16 | 2006 | Mechanism of control of root-feeding nematodes by mycorrhizal fungi in the dune grass Ammophila arenaria | Peña, Eduardo de la ; Echeverría, Susana Rodriguez ; Putten, Wim H. van der ; Freitas, Helena ; Moens, Maurice | article | openAccess |
| 17 | 14-May-2008 | Belowground mutualists and the invasive ability of Acacia longifolia in coastal dunes of Portugal | Rodríguez-Echeverría, Susana ; Crisóstomo, João ; Nabais, Cristina ; Freitas, Helena | article | openAccess |
| 18 | 2009 | Preparation, characterization, bioactive and metal uptake studies of alginate/phosphorylated chitin blend films | Jayakumar, R. ; Rajkumar, M. ; Freitas, H. ; Selvamurugan, N. ; Nair, S.V. ; Furuike, T. ; Tamura, H. | article | openAccess |
| 19 | 30-Apr-2009 | Above-ground biomass and productivity in the Montado: From herbaceous to shrub dominated communities | Castro, H. ; Freitas, H. | article | openAccess |
| 20 | 2008 | Soil recovery after removal of the N2-fixing invasive Acacia longifolia : consequences for ecosystem restoration | Marchante, Elizabete ; Kjøller, Annelise ; Struwe, Sten ; Freitas, Helena | article | openAccess |
| 21 | 2007 | Effects of nickel hyperaccumulation in Alyssum pintodasilvae on model arthropods representatives of two trophic levels | Gonçalves, M. ; Gonçalves, Susana ; Portugal, António ; Silva, Sandra ; Sousa, José ; Freitas, Helena | article | openAccess |
| 22 | 2009 | Ecophysiological tolerance of duckweeds exposed to copper | Kanoun-Boulé, Myriam ; Vicente, Joaquim A. F. ; Nabais, Cristina ; Prasad, M. N. V. ; Freitas, Helena | article | openAccess |
| 23 | 2008 | Responses of root-feeding nematodes (Helicotylenchus spp.) to local and non-local populations of the host plant Ammophila arenaria | Schreck Reis, Catarina ; Freitas, Helena ; van der Putten, Wim H. | article | openAccess |
| 24 | 2008 | Effects of chitin and salicylic acid on biological control activity of Pseudomonas spp. against damping off of pepper | Rajkumar, M. ; Lee, K.J. ; Freitas, H. | article | openAccess |
| 25 | 2007 | Testing for the survey mode effect on contingent valuation data quality: A case study of web based versus in-person interviews | Marta-Pedroso, Cristina ; Freitas, Helena ; Domingos, Tiago | article | openAccess |
| 26 | 2008 | Arbuscular mycorrhizal fungi of Ammophila arenaria (L.) Link: Spore abundance and root colonisation in six locations of the European coast | Rodríguez-Echeverría, Susana ; Hol, W.H. Gera ; Freitas, Helena ; Eason, William R. ; Cook, Roger | article | openAccess |
| 27 | 29-Aug-2008 | Short- and long-term impacts of Acacia longifolia invasion on the belowground processes of a Mediterranean coastal dune ecosystem | Marchante, Elizabete ; Kjøller, Annelise ; Struwe, Sten ; Freitas, Helena | article | openAccess |
| 28 | 2008 | Influence of metal resistant-plant growth-promoting bacteria on the growth of Ricinus communis in soil contaminated with heavy metals | Rajkumar, Mani ; Freitas, Helena | article | openAccess |
| 29 | 2007 | Invasion of Portuguese coastal dunes by Acacia longifolia : impacts on soil ecology | Marchante, Elizabete Maria Duarte Canas | doctoralThesis | openAccess |
| 30 | 2008 | Genetic diversity in populations of <i>Erica andevalensis</i>, a vulnerable metallophyte species from the Iberian Peninsula | Albuquerque, Manoel Bandeira de ; Rodríguez-Echeverría, Susana ; Freitas, Helena | article | openAccess |
| 31 | 2007 | Narcissus × caramulensis (Amaryllidaceae), a new hybrid for the portuguese flora | Ribeiro, Pedro; Paiva, Jorge ; Freitas, Helena | article | openAccess |
| 32 | 2007 | Relative growth rates of three woody legumes: implications in the process of ecological invasion | Crisóstomo, João A. ; Freitas, H. ; Rodríguez-Echeverría, S. | article | openAccess |
| 33 | 2006 | Counteracting gradients of light and soil nutrients in the understorey of Mediterranean oak forests | García, L. V.; Maltez-Mouro, S. ; Pérez-Ramos, I. M.; Freitas, H. ; Marañón, T. | article | openAccess |
| 34 | 2006 | Anthropogenic effects and salt marsh loss in the Mondego and Mira estuaries (Portugal) | Castro, Paula ; Freitas, H. | article | openAccess |
