| Determination of the biological diatom index (IBD NF T 90–354): results of an intercomparison exercise J Prygiel, P Carpentier, S Almeida, M Coste, JC Druart, L Ector, D Guillard, ... Journal of Applied Phycology 14, 27-39, 2002 | 189 | 2002 |
| Environmental impact of mining activities in the Lousal area (Portugal): chemical and diatom characterization of metal-contaminated stream sediments and surface water of Corona … AT Luís, P Teixeira, SFP Almeida, JX Matos, EF da Silva Science of the Total Environment 409 (20), 4312-4325, 2011 | 175 | 2011 |
| Impact of acid mine drainage (AMD) on water quality, stream sediments and periphytic diatom communities in the surrounding streams of Aljustrel mining area (Portugal) AT Luís, P Teixeira, SFP Almeida, L Ector, JX Matos, EA Ferreira da Silva Water, air, and soil pollution 200, 147-167, 2009 | 154 | 2009 |
| The biological assessment and rehabilitation of the world’s rivers: An overview MJ Feio, RM Hughes, M Callisto, SJ Nichols, ON Odume, BR Quintella, ... Water 13 (3), 371, 2021 | 152 | 2021 |
| Heavy metal pollution downstream the abandoned Coval da Mó mine (Portugal) and associated effects on epilithic diatom communities EF da Silva, SFP Almeida, ML Nunes, AT Luís, F Borg, M Hedlund, ... Science of the total environment 407 (21), 5620-5636, 2009 | 142 | 2009 |
| A comparison between biotic indices and predictive models in stream water quality assessment based on benthic diatom communities MJ Feio, SFP Almeida, SC Craveiro, AJ Calado Ecological indicators 9 (3), 497-507, 2009 | 120 | 2009 |
| Water quality assessment of rivers using diatom metrics across Mediterranean Europe: A methods intercalibration exercise SFP Almeida, C Elias, J Ferreira, E Tornés, C Puccinelli, F Delmas, ... Science of the Total Environment 476, 768-776, 2014 | 119 | 2014 |
| Least disturbed condition for European Mediterranean rivers MJ Feio, FC Aguiar, SFP Almeida, J Ferreira, MT Ferreira, C Elias, ... Science of the Total Environment 476, 745-756, 2014 | 115 | 2014 |
| Sensitivity of biochemical markers to evaluate cadmium stress in the freshwater diatom Nitzschia palea (Kützing) W. Smith D Branco, A Lima, SFP Almeida, E Figueira Aquatic Toxicology 99 (2), 109-117, 2010 | 98 | 2010 |
| Diatoms and macroinvertebrates provide consistent and complementary information on environmental quality. MJ Feio, SFP Almeida, SC Craveiro, AJ Calado | 96 | 2007 |
| Assessment of water quality in the Caima and Mau river basins (Portugal) using geochemical and biological indices ML Nunes, E Ferreira Da Silva, SFP De Almeida Water, Air, and Soil Pollution 149, 227-250, 2003 | 85 | 2003 |
| Establishing expectations for pan-European diatom based ecological status assessments MG Kelly, C Gómez-Rodríguez, M Kahlert, SFP Almeida, C Bennett, ... Ecological indicators 20, 177-186, 2012 | 78 | 2012 |
| Applicability of DNA metabarcoding approach in the bioassessment of Portuguese rivers using diatoms A Mortágua, V Vasselon, R Oliveira, C Elias, C Chardon, A Bouchez, ... Ecological indicators 106, 105470, 2019 | 75 | 2019 |
| Identification versus counting protocols as sources of uncertainty in diatom-based ecological status assessments M Kahlert, M Kelly, RL Albert, SFP Almeida, T Bešta, S Blanco, M Coste, ... Hydrobiologia 695, 109-124, 2012 | 72 | 2012 |
| Ecology of freshwater diatoms from the central region of Portugal SFP de Almeida, MCP Gil Cryptogamie Algologie 22 (1), 109-126, 2001 | 60 | 2001 |
| Use of biological indicators to assess water quality of the Ul River (Portugal) PC Resende, P Resende, M Pardal, S Almeida, U Azeiteiro Environmental monitoring and assessment 170, 535-544, 2010 | 58 | 2010 |
| Use of diatoms for freshwater quality evaluation in Portugal SFP Almeida Limnetica 20 (2), 205-213, 2001 | 56 | 2001 |
| Efficiency of cadmium chelation by phytochelatins in Nitzschia palea (Kützing) W. Smith E Figueira, R Freitas, H Guasch, SFP Almeida Ecotoxicology 23, 285-292, 2014 | 50 | 2014 |
| Quality assurance of diatom counts in Europe: towards harmonized datasets M Kahlert, É Ács, SFP Almeida, S Blanco, M Dreßler, L Ector, ... Hydrobiologia 772, 1-14, 2016 | 49 | 2016 |
| Cadmium chelation by frustulins: a novel metal tolerance mechanism in Nitzschia palea (Kützing) W. Smith J Santos, SFP Almeida, E Figueira Ecotoxicology 22, 166-173, 2013 | 48 | 2013 |
