| Issue Date | Title | Author(s) | Type | Access |
| 41 | 2008 | Effects of inoculation of plant-growth promoting bacteria on Ni uptake by Indian mustard | Rajkumar, Mani ; Freitas, Helena | article | openAccess |
| 42 | 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 |
| 43 | 2004 | Effects of Li+ transport and intracellular binding on Li+/Mg2+ competition in bovine chromaffin cells | Fonseca, C. P. ; Montezinho, L. P. ; Nabais, C. ; Tomé, A. R. ; Freitas, H. ; Geraldes, C. F. G. C. ; Castro, M. M. C. A. | article | openAccess |
| 44 | 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 |
| 45 | 15-Jun-2010 | Enhanced phytoextraction of metal contaminated soils using plant growth promoting bacteria | Ma, Ying | doctoralThesis | embargoedAccess |
| 46 | 21-Apr-2021 | Establishment, spread and early impacts of the first biocontrol agent against an invasive plant in continental Europe | López-Núñez, Francisco Alejandro ; Marchante, Elizabete ; Heleno, Ruben ; Duarte, Liliana Neto ; Palhas, Jael; Impson, Fiona; Freitas, Helena ; Marchante, Hélia | article | embargoedAccess |
| 47 | 28-Feb-2014 | A Flore Portugaise e as viagens de Hoffmannsegg e Link a Portugal (1795-1801) | Oliveira, Nuno Fernando da Ascenção Gomes | doctoralThesis | openAccess |
| 48 | 2013 | Flow cytometry as a tool to assess the effects of gamma radiation on the viability, growth and metabolic activity of fungal spores | Mesquita, N. ; Portugal, A. ; Piñar, G. ; Loureiro, J. ; Coutinho, A. P. ; Trovão, J. ; Nunes, I. ; Botelho, M. L. ; Freitas, H. | article | openAccess |
| 49 | 27-Mar-2023 | Functional Groups Response to Water Deficit in Mediterranean Ecosystems | Castro, Helena ; Dias, Maria Celeste ; Sousa, José Paulo ; Freitas, Helena | article | openAccess |
| 50 | 2000 | Fungal biomass and decomposition in Spartina maritima leaves in the Mondego salt marsh (Portugal) | Castro, Paula ; Freitas, Helena | article | openAccess |
| 51 | 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 |
| 12 | 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 |
| 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 | 5-Feb-2014 | Identification and control of fungal contamination in ancient heritage documents | Mesquita, Nuno | doctoralThesis | embargoedAccess |
| 15 | 15-Jun-1993 | Importância ecológica dos tricomas vesiculares em algumas espécies de Atriplex | Freitas, Helena Maria de Oliveira | doctoralThesis | embargoedAccess |
| 16 | 2013 | Improvement of Ni phytostabilization by inoculation of Ni resistant Bacillus megaterium SR28C | Rajkumar, Mani ; Ma, Ying ; Freitas, H. | article | openAccess |
| 17 | 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 |
| 18 | 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 |
| 19 | 2013 | Influence of seasons and land-use practices on soil microbial activity and metabolic diversity in the “Montado ecosystem” | Costa, Dalila ; Freitas, H. ; Sousa, J. P. | article | openAccess |
| 20 | 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 |
| 21 | 2019 | Integrating plant species contribution to mycorrhizal and seed dispersal mutualistic networks | Correia, Marta ; Rodríguez-Echeverría, Susana ; Timóteo, Sérgio ; Freitas, Helena ; Heleno, Ruben | article | openAccess |
| 22 | 2001 | Invasão dos ecossistemas dunares portugueses por Acacia : uma ameaça para a biodiversidade nativa | Marchante, Hélia Sofia D. C. | masterThesis | openAccess |
| 23 | 2007 | Invasion of Portuguese coastal dunes by Acacia longifolia : impacts on soil ecology | Marchante, Elizabete Maria Duarte Canas | doctoralThesis | openAccess |
| 24 | 2011 | Invasion of portuguese dunes by Acacia longifolia : present status and perspective for the future | Marchante, Hélia Sofia Duarte Canas | doctoralThesis | openAccess |
| 25 | 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 |
| 26 | 2014 | Large and variable genome size unrelated to serpentine adaptation but supportive of cryptic sexuality in Cenococcum geophilum | Bourne, Elizabeth C. ; Mina, Diogo ; Gonçalves, Susana C. ; Loureiro, João ; Freitas, Helena ; Muller, Ludo A.H. | article | openAccess |
| 27 | 2023 | Litter Deposition and Nutrient Cycling of Invaded Environments by Cryptostegia madagascariensis at Tropical Cambisols from Northeastern Brazil | Souza, Tancredo Augusto Feitosa de ; Lucena, Edjane Oliveira de; de Andrade, Leonaldo Alves; da Silva, Lucas Jónatan Rodrigues; Nascimento, Gislaine dos Santos; Freitas, Helena | article | openAccess |
| 28 | 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 |
| 29 | 2000 | Micorrizas em Festuca Brigantina : funcionamento e significado ecológico | Gonçalves, Susana Cláudia de Freitas Rodrigues | masterThesis | openAccess |
| 30 | 17-Jun-2015 | Modelo de avaliação de sustentabilidade integrado e global para ecossistemas florestais: Bioenergia, produtos derivados de madeira e co-produtos | Nunes, João Miguel dos Santos Almeida | doctoralThesis | embargoedAccess |
| 31 | 2000 | Monitorização de Ammophila arenaria (L.) Link em ecossistemas dunares portugueses | Reis, Catarina Schreck Carmo dos | masterThesis | openAccess |
| 32 | 2018 | Multilayer networks reveal the spatial structure of seed-dispersal interactions across the Great Rift landscapes | Timóteo, Sérgio ; Correia, Marta ; Rodríguez-Echeverría, Susana ; Freitas, Helena ; Heleno, Ruben | article | openAccess |
| 33 | 2007 | Narcissus × caramulensis (Amaryllidaceae), a new hybrid for the portuguese flora | Ribeiro, Pedro; Paiva, Jorge ; Freitas, Helena | article | openAccess |
| 34 | 2014 | A Ni hyperaccumulator and a congeneric non-accumulator reveal equally effective defenses against herbivory | Boas, Mariana Vilas ; Gonçalves, Susana C. ; Portugal, António ; Freitas, Helena ; Gonçalves, M. Teresa | article | openAccess |
| 35 | 2013 | No allelopathic effect of the invader Acacia dealbata on the potential infectivity of arbuscular mycorrhizal fungi from native soils | Lorenzo, Paula ; Rodríguez-Echeverría, Susana ; Freitas, H. | article | openAccess |
| 36 | 2015 | On the Limited Potential of Azorean Fleshy Fruits for Oceanic Dispersal | Esteves, Carolina Franco ; Costa, José Miguel ; Vargas, Pablo ; Freitas, Helena ; Heleno, Ruben | article | openAccess |
| 37 | 2011 | Payments for environmental services as a policy tool for conserving the portuguese montado ecosystem | Ribas, Thaís de Toledo | masterThesis | openAccess |
| 38 | Mar-2023 | Perceptions of change in the environment caused by the COVID-19 pandemic: Implications for environmental policy | Hidalgo-Triana, N.; Picornell, A.; Reyes, S.; Circella, G.; Ribeiro, H.; Bates, A. E.; Rojo, J.; Pearman, P. B.; Vivancos, J. M. Artes; Nautiyal, S.; Brearley, F. Q.; Pereña, J.; Ferragud, M.; Monroy-Colín, A.; Maya-Manzano, J. M.; Ouachinou, J. M. A. Sènami; Salvo-Tierra, A. E.; Antunes, C.; Trigo-Pérez, M.; Navarro, T.; Jaramillo, P.; Oteros, J.; Charalampopoulos, A.; Kalantzi, O. I.; Freitas, H. ; Ščevková, J.; Zanolla, M.; Marrano, A.; Comino, O.; Roldán, J. J.; Alcántara, A. F.; Damialis, A. | article | openAccess |
| 39 | 24-Apr-2013 | Phenology and responses of Acacia Longifolia to drought and salt stress : implications for invasiveness and management | Morais, Maria Cristina Seixas Martins | doctoralThesis | openAccess |
| 40 | 2013 | Phytoextraction of heavy metal polluted soils using Sedum plumbizincicola inoculated with metal mobilizing Phyllobacterium myrsinacearum RC6b | Ma, Ying ; Rajkumar, Mani ; Luo, Yongming ; Freitas, H. | article | openAccess |
| 41 | 2004 | Plant community tolerant to trace elements growing on the degraded soils of São Domingos mine in the south east of Portugal: environmental implications | Freitas, H. ; Prasad, M. N. V. ; Pratas, J. | article | openAccess |
| 42 | 2022 | Plant growth promoting bacteria improve growth and phytostabilization potential of Zea mays under chromium and drought stress by altering photosynthetic and antioxidant responses | Vishnupradeep, R.; Bruno, L. Benedict; Taj, Zarin; Karthik, Chinnannan; Challabathula, Dinakar; Tripti, null; Kumar, Adarsh; Freitas, Helena ; Rajkumar, Mani | article | openAccess |
| 43 | Jun-2019 | Plant Letters: A citizen science project uncovering historical biodiversity data | Silva, Ana Margarida Dias da ; Cruz, Maria Teresa Girão da ; Oliveira, Joana Cabral; Freitas, Helena ; Gouveia, António Carmo | article | openAccess |
| 44 | 2005 | Plants growing in abandoned mines of Portugal are useful for biogeochemical exploration of arsenic, antimony, tungsten and mine reclamation | Pratas, J. ; Prasad, M. N. V. ; Freitas, H. ; Conde, L. | article | openAccess |
| 45 | 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 |
| 46 | 2013 | Public Perception of Invasive Plant Species: Assessing the impact of workshop activities to promote young students’ awareness | Reis, Catarina Schreck ; Marchante, Hélia ; Freitas, H. ; Marchante, Elizabete | article | openAccess |
| 47 | 2017 | Rain exclusion affects cambial activity in adult maritime pines | Vieira, Joana ; Nabais, Cristina ; Rossi, Sergio ; Carvalho, Ana ; Freitas, Helena ; Campelo, Filipe | article | embargoedAccess |
| 48 | 2004 | Recovery Potential of Dune Ecosystems Invaded by an Exotic Acacia Species (Acacia longifolia) | Marchante, Hélia S. ; Marchante, Elizabete M. ; Buscardo, Erika ; Maia, José ; Freitas, Helena | article | openAccess |
| 49 | 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 |
| 50 | 2000 | Removal of toxic metals from solution by leaf, stem and root phytomass of Quercus ilex L. (holly oak) | Prasad, M. N. V. ; Freitas, H. | article | openAccess |
| 51 | 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 |
| 52 | 2007 | Salicornia ramosissima population dynamics and tolerance of salinity | Silva, Helena ; Caldeira, Gustavo ; Freitas, Helena | article | openAccess |
| 53 | Sep-2019 | Seasonal adjustment of primary and secondary growth in maritime pine under simulated climatic changes | Vieira, Joana ; Moura, Mikael Alvites ; Nabais, Cristina ; Freitas, Helena ; Campelo, Filipe | article | embargoedAccess |
| 54 | 2013 | Seasonal and daily cycles of stem radial variation of Pinus pinaster in a drought-prone environment | Vieira, Joana ; Rossi, Sergio ; Campelo, Filipe ; Freitas, Helena ; Nabais, Cristina | article | embargoedAccess |
| 55 | 14-Nov-2000 | Seasonal transport, allocation and speciation of nickel in Quercus ilex grown on serpentine and nickel spiked soil | Santos, Maria Cristina Amaral Penas Nabais dos | doctoralThesis | embargoedAccess |
| 56 | 2019 | Seed Coating with Arbuscular Mycorrhizal Fungi for Improved Field Production of Chickpea | Rocha, Inês ; Duarte, Isabel ; Ma, Ying; Souza-Alonso, Pablo; Látr, Aleš; Vosátka, Miroslav; Freitas, Helena ; Oliveira, Rui S. | article | openAccess |
| 57 | 21-Feb-2020 | Seed coating with microbial inoculants: a path to sustainable agriculture | Rocha, Inês de Sousa | doctoralThesis | embargoedAccess |
| 58 | 2019 | Seed Coating: A Tool for Delivering Beneficial Microbes to Agricultural Crops | Rocha, Inês ; Ma, Ying ; Souza-Alonso, Pablo ; Vosátka, Miroslav; Freitas, Helena ; Oliveira, Rui S. | article | openAccess |
| 59 | 2014 | Serpentine bacteria influence metal translocation and bioconcentration of Brassica juncea and Ricinus communis grown in multi-metal polluted soils | Ma, Ying ; Rajkumar, Mani ; Rocha, Inês ; Oliveira, Rui S. ; Freitas, Helena | article | openAccess |
| 60 | 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 |
| 61 | 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 |
| 62 | 12-Mar-2018 | Spatio-temporal dynamics of soil bacterial communities as a function of Amazon forest phenology | Buscardo, Erika ; Geml, József; Schmidt, Steven K.; Freitas, Helena ; da Cunha, Hillândia Brandão; Nagy, Laszlo | article | openAccess |
| 63 | 14-Feb-2008 | Structure, regeneration and functional dynamics of fragmented Mediterranean forests | Mouro, Sara Maltez Ribeiro | doctoralThesis | embargoedAccess |
| 64 | 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 |
| 65 | 30-Mar-2016 | The decline of cork oak woodlands: biotic and abiotic interactions in Portuguese montados | Arosa González, Maria Luisa | doctoralThesis | openAccess |
| 66 | Sep-2023 | The effect of COVID-19 confinement on the activity behaviour of red deer | Garcia, Fernanda ; Silva, António Alves da ; Freitas, Helena ; Sousa, José Paulo ; Alves, Joana | article | openAccess |
| 67 | 2015 | The response of reptile communities to wildfires in the Serra da Estrela Natural Park | Ferreira, Tiago António Pinto | masterThesis | openAccess |
| 68 | 15-Jul-2004 | Variabilidade genética e análise multi-loci em isolados do fungo ectomicorrízico Cenococcum geophilum das áreas ultramáficas do Nordeste de Portugal | Portugal, António Manuel Santos Carriço | doctoralThesis | embargoedAccess |
| 69 | 2014 | Which matters most for the formation of intra-annual density fluctuations in Pinus pinaster: age or size? | Campelo, Filipe ; Vieira, Joana ; Battipaglia, Giovanna ; de Luis, Martin ; Nabais, Cristina ; Freitas, Helena ; Cherubini, Paolo | article | embargoedAccess |
| 70 | 2014 | Xylogenesis of Pinus pinaster under a Mediterranean climate | Vieira, Joana ; Rossi, Sergio ; Campelo, Filipe ; Freitas, Helena ; Nabais, Cristina | article | embargoedAccess |
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