Almeida, M., M.G. Almeida, M. Humanes, Ricardo A. Melo, J.A. Silva, and J. J. R. Frausto da Silva. “Novel Vanadium-Dependent Haloperoxidases in Brown Algae (Fucaceae and Laminariaceae) from Portugal.” Phycologia, Abstracts of Papers Presented at the Sixth International Phycological Congress, Leiden, Netherlands, 36, no. 4S (July 1, 1997): 1–2. doi:10.2216/i0031-8884-36-4S-1.1.

Almeida, M., N. Ferraz, M. Humanes, R. Melo, J.A. Silva, and J.J.R.Fraústo da Silva. “Vanadium Haloperoxidases from Brown Algae of the Portuguese Coast.” Journal of Inorganic Biochemistry 59, no. 2–3 (August 1995): 585. doi:10.1016/0162-0134(95)97678-J.

Almeida, M., S. Filipe, M. Humanes, M. F. Maia, R. Melo, N. Severino, J. A. L. da Silva, J. J. R. Fraústo da Silva, and R. Wever. “Vanadium Haloperoxidases from Brown Algae of the Laminariaceae Family.” Phytochemistry 57, no. 5 (July 2001): 633–42. doi:10.1016/S0031-9422(01)00094-2.

Almeida, M., M. Humanes, R. Melo, J. A. Silva, J. J. R. Fraústo da Silva, H. Vilter, and R. Wever. “Saccorhiza Polyschides (phaeophyceae; Phyllariaceae) a New Source for Vanadium-Dependent Haloperoxidases.” Phytochemistry 48, no. 2 (May 1998): 229–39. doi:10.1016/S0031-9422(98)00003-X.

ALMEIDA, M., M. HUMANES, R. MELO, JA SILVA, and JJRF DASILVA. “Haloperoxidases from Laminaria of North-Atlantic.” Journal of Cellular Biochemistry, Supplement: Keystone Symposia on Molecular & Cellullar Biology, 59, no. S21A (1995): 45. doi:10.1002/jcb.240590603.

Almeida, M., M. Humanes, J. A. Silva, R. Melo, and J. J. R. Frausto da Silva. “Phyllariopsis Brevipes-a Brown Algae with Vanadium-Dependent Iodoperoxidases.” Plant Peroxidases: Biochemistry and Physiology, University of Geneve, 1996, 146–52.

Almeida, M.G., M. Humanes, R. Melo, J.A. Silva, J.J.R. Fraústo da Silva, and R. Wever. “Purification and Characterisation of Vanadium Haloperoxidases from the Brown Alga Pelvetia Canaliculata.” Phytochemistry 54, no. 1 (May 1, 2000): 5–11. doi:10.1016/S0031-9422(99)00602-0.

Berecibar, Estibaliz, Aschwin H. Engelen, Ricardo Melo, Clarissa Grazziotin-Soares, Ignacio Bárbara, Viviana Peña, and Rui Santos. “Non-Native Seaweeds of the Portuguese Continental Coast,” n.d.

Chainho, Paula, António Fernandes, Ana Amorim, Sérgio P. Ávila, João Canning-Clode, João J. Castro, Ana C. Costa, et al. “Non-Indigenous Species in Portuguese Coastal Areas, Coastal Lagoons, Estuaries and Islands.” Estuarine, Coastal and Shelf Science, Coastal systems under change: tuning assessment and management tools, 167, Part A (December 20, 2015): 199–211. doi:10.1016/j.ecss.2015.06.019.

Costa, J., F. Giménez-Casalduero, R. Melo, and B. Jesus. “Colour Morphotypes of Elysia Timida (Sacoglossa, Gastropoda) Are Determined by Light Acclimation in Food Algae.” Aquatic Biology 17, no. 1 (October 23, 2012): 81–89. doi:10.3354/ab00446.

Freire, P., A. Rilo, R. Ceia, R. Nogueira Mendes, J. Catalão, R. Taborda, and R. Melo. “Tipificação das zonas marginais estuarinas. O caso do estuário do Tejo.” In Actas das 2as Jornadas de Engenharia Hidrográfica, 319–22. Lisbon, Portugal: Instituto Hidrográfico, 2012. doi:10.13140/2.1.3597.5369.

Marques, Vasco, Carlos Reis, José Calvario, J. C. Marques, Ricardo Melo, and Rui Santos. “Contribuicáo Para O Estudo Dos Povoamentos Bentónicos (substrato Rochoso) Da Costa Ocidental Portuguesa. Zona Intertidal.” Oecologia Aquatica 6, no. 6 (1982): 119–45. http://revistes.iec.cat/index.php/OA/article/view/64393/64254.

Melo, R. A., B. W. W. Harger, and M. Neushul. “Gelidium Cultivation in the Sea.” Hydrobiologia 221, no. 1 (August 1991): 91–106. doi:10.1007/BF00028366.

Melo, Ricardo. “Gelidium Commercial Exploitation: Natural Resources and Cultivation.” Journal of Applied Phycology 10, no. 3 (June 1, 1998): 303–14. doi:10.1023/A:1008070419158.

Melo, Ricardo A. “A Note on the Absence of Hyphae (rhizines) in the Thallus of Gelidiella Acerosa (Forsskål) Feldmann et Hamel (Rhodophyta).” In TAXONOMY OF ECONOMIC SEAWEEDS With Reference to Some Pacific and Western Atlantic Species, 3:173–81. California Sea Grant Program, Report No. T-CSGCP-023. La Jolla, California: California Sea Grant College, University of California, 1992. http://dx.doi.org/10.13140/2.1.3974.3687.

Melo, Ricardo A. “Exploração Dos Recursos Algológicos Em Portugal.” In Fragmentos Em Ecologia, edited by Amélia Martins-Loução, 45–65. Lisboa: FCUL e Livraria Escolar Editora, 2002.

Melo, Ricardo A., and Michael Neushul. “Life History and Reproductive Potential of the Agarophyte Gelidium Robustum in California.” Hydrobiologia 260–61, no. 1 (June 1993): 223–29. doi:10.1007/BF00049023.

Mendes, NR, R Ceia, T Silva, A Rilo, M Guerreiro, J Catalão, R Taborda, et al. “Detecção Remota e Cartografia de Intertidal. O contributo do Projeto MorFeed,” 341–44. Lisbon, Portugal: Instituto Hidrográfico, 2012. doi:10.13140/RG.2.1.2685.9124.

Mendes, Ricardo Nogueira, Rodrigo Ceia, João Catalão, Ricardo Melo, Rui Taborda, and Paula Freire. “Cartografia E Monitorização Cartográfica Do Intertidal Do Estuário Do Tejo Através de Deteção Remota E Imagens de Landsat7 ETM,” 2013. doi:10.13140/RG.2.1.4783.0645.

Palminha, F., R. Santos, and R. A. Melo. “A Existência de Gelidium Sesquipedale (Clem.) Born et Thur. Na Costa Sul Do Algarve. II. Biomassa Total.” Boletim Do Instituto Nacional de Investigação Das Pescas, no. 13 (1985): 77–91. http://scholar.google.com/scholar?cluster=16395766926546949418&hl=en&oi=scholarr.

Palminha, Francisco, Rui Santos, and Ricardo MELO. “A existência de Gelidium sesquipedale (Clem.) Bornet et Thuret na costa sul do Algarve. I. Distribuição local.” Boletim do Instituto Nacional de Investigação das Pescas, no. 8 (July–October 1982): 93–105. https://scholar.google.pt/citations?view_op=view_citation&hl=en&user=ZNCrw7UAAAAJ&cstart=20&pagesize=80&sortby=pubdate&citation_for_view=ZNCrw7UAAAAJ:W7OEmFMy1HYC.

Ramos, Elvira, José A. Juanes, Cristina Galván, João M. Neto, Ricardo Melo, Are Pedersen, Clare Scanlan, et al. “Coastal Waters Classification Based on Physical Attributes along the NE Atlantic Region. An Approach for Rocky Macroalgae Potential Distribution.” Estuarine, Coastal and Shelf Science 112 (October 20, 2012): 105–14. doi:10.1016/j.ecss.2011.11.041.

Ramos, Elvira, Araceli Puente, José Antonio Juanes, João M. Neto, Are Pedersen, Inka Bartsch, Clare Scanlan, et al. “Biological Validation Of Physical Coastal Waters Classification Along The Ne Atlantic Region Based On Rocky Macroalgae Distribution.” Estuarine, Coastal and Shelf Science 147 (2014): 103–12. doi:10.1016/j.ecss.2014.05.036.

Reis, Carlos, Vasco Marqués, José Calvario, Joao C. Marqués, Ricardo Melo, and Rui Santos. “Contribuicão Para O Estudo Dos Povoamentos Bentónicos (substrato Móvel) Da Costa Ocidental Portuguesa.” Oecologia Aquatica 6, no. 6 (1982): 91–105. http://revistes.iec.cat/index.php/OA/article/view/64391/64252.

Rilo, Ana, Paula Freire, Ricardo Nogueira Mendes, Rodrigo Ceia, João Catalão, Rui Taborda, Ricardo Melo, et al. “Metodologia Para O Traçado Da Linha de Máxima Preia-Mar de Águas Vivas Equinociais Em Ambientes de Transição: Aplicação Ao Estuário Do Tejo (Portugal).” Revista de Gestão Costeira Integrada 14, no. 1 (March 2014): 95–107. doi:10.5894/rgci450.

Rilo, Ana Rodrigues, Paula Freire, Ricardo Nogueira Mendes, Rodrigo Ceia, João Catalão, Rui Taborda, Ricardo Melo, César Andrade, Maria Isabel Ca\ccador, and M. C. Freitas. “Um Contributo Para O Traçado Da Linha Da Máxima Preia-Mar de Águas Vivas Equinociais Em Ambientes de Transição. O Caso Do Estuário Do Tejo.” In 11^o Congresso Da Água, 2012. doi:10.13140/2.1.2893.0249.

Santos, Rui, and Ricardo Melo. “Adições à Flora Algológica Do Infralitoral Da Costa de Portugal : Carpomitra Costata [Stackh.] Batt. [Phaeophyceae, Sporochnaceae].” Boletim Do Instituto Nacional de Investigação Das Pescas, no. 12 (July–October 1984): 3–15. http://docweb.ipimar.pt/docbweb/plinkres.asp?Base=IPIMAR&Form=ISBD&StartRec=0&RecPag=5&NewSearch=1&SearchTxt=%22TCO%20Adi%E7%F5es%20%E0%20flora%20algol%F3gica%20do%20infralitoral%20da%20costa%20de%20Portugal%20%3A%20Carpomitra%20costata%20%5BStackh.%5D%20Batt.%20%5BPhaeophyceae%2C%20Sporochnaceae%5D%22%20%2B%20%22TCO%20Adi%E7%F5es%20%E0%20flora%20algol%F3gica%20.

———. “Estudo dos padrões de zonação vertical dos povoamentos algais da região intertidal da costa de Peniche.” Cuadernos marisqueros. Publicación técnica, no. 7 (September 1984): 103–11. https://www.researchgate.net/publication/284158829_Estudo_dos_padres_de_zonao_vertical_dos_povoamentos_algais_da_regio_intertidal_da_costa_de_Peniche.

“Scopus - Author Details (Melo, R.).” Accessed November 15, 2007. http://www.scopus.com/scopus/author/profile.url?aid=8120294700&offset=12&resultsKey=AUTH_24468332&origin=AuthorNamesList&txGid=ifzUF0upBfEOxtfVzWBHFzo%3a43.

“Scopus - Author Details (Melo, Ricardo A.).” Accessed November 15, 2007. http://www.scopus.com/scopus/author/profile.url?aid=7007027493&offset=14&resultsKey=AUTH_24468332&origin=AuthorProfile.

“Scopus Author Evaluation Tools - Articles Published Graph.” Accessed November 15, 2007. http://www.scopus.com/scopus/hirsch/author.url?display=articlePublished&accessor=authorProfile&auidList=7007027493&authorName=Melo%2c+Ricardo+A.&origin=authorHirsch&txGid=ifzUF0upBfEOxtfVzWBHFzo%3a32.

“Scopus Author Evaluation Tools - Citations Graph.” Accessed November 15, 2007. http://www.scopus.com/scopus/hirsch/author.url?display=citation&accessor=authorProfile&auidList=7007027493&authorName=Melo%2c+Ricardo+A.&origin=authorHirsch&citationKey=HIRSCHCITATION_24468564&txGid=ifzUF0upBfEOxtfVzWBHFzo%3a27.

“Scopus Author Evaluation Tools - H-Graph.” Accessed November 15, 2007. http://www.scopus.com/scopus/hirsch/author.url?accessor=authorProfile&auidList=8120294700&authorName=Melo%2c+R.&origin=AuthorProfile&txGid=ifzUF0upBfEOxtfVzWBHFzo%3a51.

“Scopus Author Evaluation Tools - H-Graph.” Accessed November 15, 2007. http://www.scopus.com/scopus/hirsch/author.url?display=hirsch&accessor=authorProfile&auidList=7007027493&authorName=Melo%2c+Ricardo+A.&origin=authorHirsch&txGid=ifzUF0upBfEOxtfVzWBHFzo%3a27.

Silva, João, Rui Santos, João Serôdio, and Ricardo Melo. “Light Response Curves for Gelidium Sesquipedale from Different Depths, Determined by Two Methods: O2 Evolution and Chlorophyll Fluorescence.” Journal of Applied Phycology 10, no. 3 (June 1, 1998): 295–301. doi:10.1023/A:1008057008447.

Sousa-Dias, Abel, and Ricardo A. Melo. “Long-Term Abundance Patterns of Macroalgae in Relation to Environmental Variables in the Tagus Estuary (Portugal).” Estuarine, Coastal and Shelf Science 76, no. 1 (January 1, 2008): 21–28. doi:10.1016/j.ecss.2007.05.039.