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Issue Date | Title | Author(s) | Type | Access | |
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1 | 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 |
2 | 2008 | Effects of inoculation of plant-growth promoting bacteria on Ni uptake by Indian mustard | Rajkumar, Mani ; Freitas, Helena | article | openAccess |
3 | 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 |
4 | 2007 | Salicornia ramosissima population dynamics and tolerance of salinity | Silva, Helena ; Caldeira, Gustavo ; Freitas, Helena | article | openAccess |
5 | 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 |
6 | 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 |
7 | 2008 | Characterization of metal-resistant plant-growth promoting Bacillus weihenstephanensis isolated from serpentine soil in Portugal | Rajkumar, Mani ; Ma, Ying ; Freitas, Helena | article | openAccess |
8 | 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 |
9 | 2019 | Editorial: Beneficial Microbes Alleviate Climatic Stresses in Plants | Ma, Ying ; Vosátka, Miroslav; 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 | 2000 | Fungal biomass and decomposition in Spartina maritima leaves in the Mondego salt marsh (Portugal) | Castro, Paula ; Freitas, Helena | article | openAccess |
17 | 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 |
18 | 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 |
19 | 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 |
20 | 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 |
21 | 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 |
22 | 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 |
23 | 2014 | Ecological networks: delving into the architecture of biodiversity | Heleno, 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. | article | openAccess |
24 | 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 |
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 | 2004 | Change in plant spatial patterns and diversity along the successional gradient of Mediterranean grazing ecosystems | Alados, Concepción L. ; ElAich, Ahmed ; Papanastasis, Vasilios P. ; Ozbek, Huseyin ; Navarro, Teresa ; Freitas, Helena ; Vrahnakis, Mihalis ; Larrosi, Driss ; Cabezudo, Baltasar | article | openAccess |
28 | 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 |
29 | 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 |
30 | 2007 | Narcissus × caramulensis (Amaryllidaceae), a new hybrid for the portuguese flora | Ribeiro, Pedro; Paiva, Jorge ; Freitas, Helena | article | openAccess |
31 | 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 |
32 | 2023 | Editorial: Non-native tree species: Impacts and management | Campagnaro, Thomas; Badalamenti, Emilio; Castro-Díez, Pilar; Freitas, Helena | article | openAccess |
33 | 2023 | Agroecology and invasive alien plants: A winner-take-all game | Tataridas, Alexandros; Travlos, Ilias; Freitas, Helena | article | openAccess |
34 | 27-Mar-2023 | Functional Groups Response to Water Deficit in Mediterranean Ecosystems | Castro, Helena ; Dias, Maria Celeste ; Sousa, José Paulo ; Freitas, Helena | article | openAccess |
35 | 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 |
Results 1-35 of 35 (Search time: 0.539 seconds).
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