Browsing by Author Freitas, Helena


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Results 104 to 110 of 110 previous 
Issue DateTitleAuthor(s)TypeAccess
2007Testing for the survey mode effect on contingent valuation data quality: A case study of web based versus in-person interviewsMarta-Pedroso, Cristina ; Freitas, Helena ; Domingos, Tiago articleopenAccess
30-Mar-2016The decline of cork oak woodlands: biotic and abiotic interactions in Portuguese montadosArosa González, Maria Luisa doctoralThesisopenAccess
Sep-2023The effect of COVID-19 confinement on the activity behaviour of red deerGarcia, Fernanda ; Silva, António Alves da ; Freitas, Helena ; Sousa, José Paulo ; Alves, Joana articleopenAccess
2015The response of reptile communities to wildfires in the Serra da Estrela Natural ParkFerreira, Tiago António Pinto masterThesisopenAccess
15-Jul-2004Variabilidade genética e análise multi-loci em isolados do fungo ectomicorrízico Cenococcum geophilum das áreas ultramáficas do Nordeste de PortugalPortugal, António Manuel Santos Carriço doctoralThesisembargoedAccess
2014Which 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 articleembargoedAccess
2014Xylogenesis of Pinus pinaster under a Mediterranean climateVieira, Joana ; Rossi, Sergio ; Campelo, Filipe ; Freitas, Helena ; Nabais, Cristina articleembargoedAccess