| Issue Date | Title | Author(s) | Type | Access |
| 2011 | Payments for environmental services as a policy tool for conserving the portuguese montado ecosystem | Ribas, Thaís de Toledo | masterThesis | openAccess |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 2017 | Rain exclusion affects cambial activity in adult maritime pines | Vieira, Joana ; Nabais, Cristina ; Rossi, Sergio ; Carvalho, Ana ; Freitas, Helena ; Campelo, Filipe | article | embargoedAccess |
| 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 |
| 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 |
| 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 |
| 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 |
| 2007 | Salicornia ramosissima population dynamics and tolerance of salinity | Silva, Helena ; Caldeira, Gustavo ; Freitas, Helena | article | openAccess |
| 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 |
| 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 |
| 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 |
| 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 |
