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Graça Sofia Nunes holds a Bachelor’s degree in Marine Biology from the Faculty of Science and Technology of the University of the Algarve and a Master’s degree in Marine Ecology from the Faculty of Sciences of the University of Lisbon. Her Master’s thesis focused on the impacts of climate change on phytoplankton communities in the Ross Sea (Antarctica), using remote sensing techniques. Through this work, she developed strong skills in Python programming, long-term time-series analysis, and processing ocean colour (chlorophyll-a) and environmental datasets, including sea surface temperature and sea ice concentration. She is currently the recipient of a research grant, within which she has been working with satellite data to monitor the Portuguese Exclusive Economic Zone (EEZ), with a particular focus on several Marine Protected Areas (MPAs), including Madeira-Tore and the Southwest Alentejo region. This work contributes to the development of a national reference by characterising spatial gradients and temporal variability in key oceanographic parameters. Through this research, she has developed a growing interest and expertise in the North Atlantic system. Her primary research interests remain focused on polar ecosystems, the impacts of climate change, phytoplankton ecology, and the broader effects of anthropogenic pressures on marine environments, alongside a strong commitment to science communication.
Identification

Personal identification

Full name
Graça Sofia Nunes
Date of birth
2001/01/27
Gender
Female

Citation names

  • Nunes, Graça
  • Nunes, Graça S.

Author identifiers

Ciência ID
1212-D8B5-F1CD
ORCID iD
0009-0004-0170-1666

Email addresses

  • gslimeira@ciencias.ulisboa.pt (Professional)

Addresses

  • MARE - Marine and Environmental Sciences Centre. Faculdade de Ciências da Universidade de Lisboa, Campo Grande, 1749-016, Lisboa, Lisboa, Portugal (Professional)

Knowledge fields

  • Natural sciences - Biological Sciences - Marine Biology
  • Natural sciences - Earth and Environmental Sciences - Oceanography
Education
Degree Classification
2025/09 - 2025/09
Concluded
Módulo - Delineamento experimental e tratamento de dados (Outros)
Universidade de Lisboa Instituto Superior de Agronomia, Portugal
18
2022/09 - 2025/03
Concluded
Ecologia Marinha (Mestrado)
Universidade de Lisboa, Portugal
"Spatial-Temporal dynamics of phytoplankton in the Ross Sea (Antarctica)" (THESIS/DISSERTATION)
18
2024/09/02 - 2024/09/06
Concluded
Sampling techniques (Outros)
Universidade de Lisboa Centro de Química Estrutural, Portugal

Instituto Portuguêsdo Mar e da Atmosfera, Portugal
2022/07/13 - 2022/07/15
Concluded
Summer course: "Dunas Costeiras: Dinâminca e Conservação de Habitats" (Outros)
Major in Conversation and Coastal Dynamics
Universidade do Algarve Centro de Investigação Marinha e Ambiental, Portugal
2019/09 - 2022/06
Concluded
Biologia Marinha (Licenciatura)
Universidade do Algarve, Portugal
15
Affiliation

Science

Category
Host institution
Employer
2022/08 - 2022/08 Research Trainee (Research) AIMM Portugal (Marine Environment Research Non-profit Association), Portugal
2022/02/01 - 2022/07/31 Research Trainee (Research) Universidade do Algarve Centro de Investigação Marinha e Ambiental, Portugal
Projects

Grant

Designation Funders
2025/09/01 - Current Uso da Deteção Remota nas Áreas Marinhas Protegidas (AMP)
CoastNet2030
Research Fellow
CoastNet2030
2024/10/25 - 2025/08/24 Uso da Deteção Remota nas Áreas Marinhas Protegidas (AMP)
BII-AQUIMAR
Scientific Initiation Fellow
Universidade de Lisboa Faculdade de Ciências, Portugal
Programa mar 2020

Contract

Designation Funders
2025/10/01 - Current DIA2CRYP - Climate-Driven Shift from Diatoms to Cryptophytes: Implications for Biological Carbon Uptake along the Antarctic Peninsula
PROPOLAR2025-2026-DIA2CRYP
Programa Polar Português
Ongoing
2024/10/01 - 2025/05/01 PHYTO-SHIFT - Understanding PHYTOplankton community composition SHIFTs in the North Antarctic Peninsula
PROPOLAR2024-2025-PHYTOSHIFT
Programa Polar Português (PROPOLAR)
Concluded
Outputs

Publications

Conference abstract
  1. Fragão, J.; Rodrigues, C.; Carmo, D.; Rodrigues, D.; Francisco, D.; Torrinha, G.; Nunes, G.S.; et al.. "Early Career Researchers as ambassadors of Polar Literacy: the importance of education and outreach". Lisboa, 2023.
Conference poster
  1. Sent, G.; Ferreira, A.; Biguino, B.; Cereja, Rui; David, Helena; Cruz, Joana P. C.; Favareto, L. R.; et al. Corresponding author: Sent, G.. "Phytoplankton Monitoring and Remote Sensing group". Paper presented in TERRA EM FOCO: Conferência Nacional de Observação da Terra, 2026.
  2. Nunes, Graça S.; Ferreira, A.; Brito, Ana C.; Mendes, C. R.; Guerreiro, C. V.; Brotas, Vanda. "Understanding the response of phytoplankton to climate change in Antarctica". Paper presented in Ciências Research & Innovation Day, 2025.
  3. Nunes, G.S.; Ferreira, Afonso; Brito, Ana C.. "Spatio-Temporal dynamics of phytoplankton in the Ross Sea (Antarctica)". Paper presented in Living planet symposium, 2025.
  4. Ferreira, A.; Abreu, J.; Araújo, P.M.; Bastos, L.; Brito, A.C. ; Brotas, V.; Carmo, D.; et al. "MARE's role in polar science". Paper presented in MARE 2023, 2023.
Journal article
  1. Nunes, Graça S.; Ferreira, Afonso; Brito, Ana C.. "Long-term satellite data reveals complex phytoplankton dynamics in the Ross Sea, Antarctica". Communications Earth & Environment 6 1 (2025): https://doi.org/10.1038/s43247-025-02590-w.
    Published • 10.1038/s43247-025-02590-w
Activities

Oral presentation

Presentation title Event name
Host (Event location)
2025/11 Education and Outreach Event: Seminars in Marine Primary Production
Faculdade de Ciências, Universidade de Lisboa (Lisboa, Portugal)
2025 Nunes, G. S., Ferreira, A., Brito, A. C.. “Spatio-Temporal dynamics of phytoplankton in the Ross Sea (Antarctica)” 17th Portuguese Conference on Polar Sciences
(Portugal)
2024/12 Education and Outreach Event: Seminars in Marine Primary Production
Faculdade de Ciências, Universidade de Lisboa (Lisboa, Portugal)
2024 Abreu, J., Queirós, J. P., Rodrigues, C., Carmo, D., Rodrigues, D., Francisco, D., Nunes, G. S., Lopes, L., Bastos, L., Dias, M., Soares, M., Molinari, M., Quitério,M., Matias, R. S., Quelha, R., Villalobos, S., Lopes-Santos, S., Guímaro, H. R., Fragão, J.. “Early Career Researchers as ambassadors of Polar Literacy: the importance of education and outreach” SCAR OPEN SCIENCE 2024 Conference
(Chile)
2023/09 Education and Outreach Event: Talk at Escola Básica e Secundária Professor Ruy Luís Gomes Polar Week, Education PROPOLAR
(Lisboa, Portugal)
2023 Fragão, J., Abreu, J., Matias, R.S., Rodrigues, D., Carmo, D., Nunes, G., Lopes, L., Dias, M., Coimbra, R., Santos, S., Bastos, L., Quitério, M., Rodrigues, C., Guímaro, H.R.. “APECS PORTUGAL: Bringing Science to the wider Public” 2023 SCAR SC-HASS Biennial Conference: "The Antarctic for a Better World"
(Portugal)
2023 Fragão, J., Rodrigues, C., Carmo, D., Rodrigues, D., Francisco, D., Torrinha, G., Nunes, G.S., Guímaro, H.R., Abreu, J., Lopes, L., Basto, L., Dias, M., Soares, M., Quitério, M., Matias, R.S., Quelha, R., Villalobos, S., Santos, S.. "Early Career Researchers as ambassadors of Polar Literacy: the importance of education and outreach". XV Conferência Portuguesa de Ciências Polares
(Portugal)

Event organisation

Event name
Type of event (Role)
Institution / Organization
2023 - 2023 XIV Workshop APECS Portugal: "Lost in Communication: How to improve the ECRs communication skills?" (2023/11/02 - 2023/11/02)
Workshop (Member of the Organising Committee)
Association of Early Career Scientists Portugal, Portugal
2022 - 2022 XIII Workshop APECS Portugal: “A Snowy Road to One Health” (2022/11/18 - 2022/11/18)
Workshop (Member of the Organising Committee)
Association of Polar Early Carrer Scientists Portugal, Portugal

Event participation

Activity description
Type of event
Event name
Institution / Organization
2026/03/17 - 2026/03/18 TERRA EM FOCO: Conferência Nacional de Observação da Terra
Agência Espacial Portuguesa, Portugal
2025/11/14 - 2025/11/15 17th Portuguese Conference on Polar Sciences: Humans in the polar regions
Conference
Universidade Lusófona de Humanidades e Tecnologias, Portugal

Programa Polar Português, Portugal
2025/06/22 - 2025/06/27 From observation to climate action and sustainability for Earth.
Conference
Living planet symposium
European Space Agency, France
2024/04/22 - 2024/04/26 Exploring NextOcean's user-driven successes (Next Ocean Hackathon)
Workshop
Next Ocean
2023/06/22 - 2023/06/24 2023 SCAR SC-HASS Biennial Conference: "The Antarctic for a Better World"
Conference
2023 SCAR SC-HASS Biennial Conference: "The Antarctic for a Better World"

Association member

Society Organization name Role
2023 - Current Association of Polar Early Career Scientists Portugal Coordinator of the social media working group
2022/04 - Current Association of Polar Early Career Scientists Portugal Executive Committee

Interview (newspaper / magazine)

Activity description Newspaper / Forum
2025/12/02 Onde o oceano respira: o que está a mudar no fitoplâncton da Antártida Mare
2025/12/01 Esta semana o MARE celebra a ciência que faz na Antártida. Acompanhe-nos nesta expedição! Mare
2025/03/17 Investigadora figueirense Graça Sofia Nunes estudou na Antártida impacto das alterações climáticas no fitoplâncton Figueira na Hora
2025/02/19 Arroz e feijão a bordo de um navio polar: a vida de dois portugueses na Antártida SABADO

Scientific expedition

Activity description Institution / Organization
2026/01/01 - 2026/02/17 Oceanographical cruise to the Antarctic Peninsula aboard Navio Polar Almirante Maximiano (Brazil) - OPERANTAR 44 PROANTAR - Programa Antártico Brasileiro, Brasil, Brazil
2025/01/21 - 2025/02/25 Oceanographical cruise to the Antarctic Peninsula aboard Navio Polar Almirante Maximiano (Brazil) - OPERANTAR 43 PROANTAR - Programa Antártico Brasileiro, Brasil, Brazil