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Sergi Pérez-Jorge is a contracted Junior Researcher at IMAR investigating the foraging ecology of marine megafauna through the use of bioenergetics and distribution models. Over the last five years, his research has focused on modelling the distribution, behaviour and vertical movements of megafauna based on visual and animal-borne tag observations, understanding the megafauna-prey spatial interactions, and applying this knowledge to management contexts. In 2017, I started working at IMAR investigating the spatial and movement ecology of marine top predators and their links with various ecosystem components. This research provided the most detailed information on the spatio-temporal distribution of three species of baleen whales in the North Atlantic, and the showed the relevance of prey biomass for the movement of the species  (Pérez-Jorge et al., 2020). The experience gained on this study was used to assess the importance of two remote Atlantic seamounts as foraging hotspots, using acoustic data in relation to regional oceanography and estimates of prey biomass (Romagosa et al., 2020). These previous studies showed that incorporating the novel modelled prey data allowed to shorten the lags between predictors and predators, helping to reduce the possible spatial mismatch between predictor and response variables and representing a more direct biological relationship. In 2018, I was involved on the implementation of open robust design models using opportunistic data, providing robust estimates of demographic parameters of the sperm whale population inhabiting the Azores (Boys et al., 2019). Additionally, I estimated the cumulative exposure of whale-watching boats on this sperm whale population (Mandl, 2018). Since 2019, I has been investigating predator-prey interactions, particularly on energy transfer and the consequences of prey removal from the ecosystem under changing environmental conditions within the scope of the SUMMER project. I has also been quantifying the energetic requirements of key marine top predators with different feeding strategies using new bioenergetics modelling techniques, and evaluating the ecological role of mesopelagic species for marine top predators under different harvesting scenarios. During these years, I authored a total of 18 peer-reviewed papers in journals such as Diversity and Distribution and Proceedings of the Royal Society, and 1 book chapter. These publications have addressed a range of topics from fine-scale ecology of top predators up to assessing the marine mammal interactions with fisheries. Supervised 4 Bsc and 2 Msc students, and currently supervising 2 Msc and 2 PhD students. Member of the Scientific Committee of my Research Institution, and scientific reviewer in six peer-review journals. Participated as national delegate of the Portuguese delegation at the Scientific Committee of the International Whaling Commission (IWC), and member of the Africa-Focused Sousa Task Team of the IWC
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Identification

Personal identification

Full name
Sergi Pérez Jorge

Citation names

  • Pérez-Jorge, Sergi
  • Pérez, Sergi

Author identifiers

Ciência ID
C01B-2FC1-CB85
ORCID iD
0000-0002-4843-0443
Google Scholar ID
https://scholar.google.pt/citations?user=9BzhA7AAAAAJ&hl=ca

Websites

Knowledge fields

  • Natural sciences - Biological Sciences - Biodiversity Conservation
  • Natural sciences - Biological Sciences - Ecology

Languages

Language Speaking Reading Writing Listening Peer-review
Catalan Advanced (C1) Advanced (C1) Advanced (C1) Advanced (C1)
Spanish; Castilian Advanced (C1) Advanced (C1) Advanced (C1) Advanced (C1)
Portuguese Advanced (C1) Advanced (C1) Advanced (C1) Advanced (C1)
English Advanced (C1) Advanced (C1) Advanced (C1) Advanced (C1)
Education
Degree Classification
2016/02/06
Concluded
 Marine Science (Doctor)
Universidad de Cádiz, Spain
"Ecology of the Indo-Pacific bottlenose dolphin around Kisite-Mpunguti Marine Protected Area, Kenya" (THESIS/DISSERTATION)
 Excellent
2010/09/05 - 2011/03/30
Concluded
 Geographic Information Systems (Pós-Graduação)
Universidade do Algarve, Portugal
2006/04/02 - 2007/03/26
Concluded
 Marine Science (DEA)
Universidad de Cádiz, Spain
"Absolute abundance and residency of bottlenose dolphins in the Strait of Gibraltar (2002-2005)" (THESIS/DISSERTATION)
 Excellence
1999 - 2003
Concluded
 Bachelor in Science (Bachelor)
Major in Major in Marine Biology
Fairleigh Dickinson University, United States
Affiliation

Science

Category
Host institution 		Employer
2024/01/25 - Current Auxiliary Researcher (Research) Universidade dos Açores, Portugal
Universidade dos Açores, Portugal
2019/12/01 - 2023/11/30 Researcher (Research) Institute of Marine Research, Portugal
2019/01/15 - 2019/10/31 Postdoc (Research) Institute of Marine Research, Portugal
Institute of Marine Research, Portugal
2017/01/01 - 2018/12/31 Postdoc (Research) Institute of Marine Research, Portugal

Other Careers

Category
Host institution 		Employer
2010/10/01 - 2011/01/01 Assistente Técnico (Assistente Técnico) Universidade do Algarve, Portugal

Others

Category
Host institution 		Employer
2015/08/01 - 2016/08/01 Marine mammal research supervisor. Developing new projects (CONNECTIVITY AND BYCAM) and coordination of the Kenya Marine Mammal Network and establishing the East African Cetacean Working Group Watamu Marine Association, Kenya
2011/11/01 - 2014/12/01 Principal scientist.Supervision and management of data collection and analysis, and developing new marine mammal and sea turtle research techniques and surveys. Training local community members and li Global Vision International, United Kingdom
2013/04/01 - 2013/11/01 Marine Mammal Observer and Environmental Control Officer. Survey observer, data collection and implementation of JNCC (UK) mitigation guidelines. Review, monitor and implementation of the Environmenta Exploration Partners International, United Kingdom
2011/12/01 - 2012/01/01 Marine Mammal Observer (3-D Survey). Survey observer, data collection and implementation of the Joint Nature Conservation Committee (JNCC) guidelines. Exploration Partners International, United Kingdom
2010/04/01 - 2010/06/01 Marine Mammal Observer (2-D Survey). Survey observer, data collection and implementation of Joint Nature Conservation Committee (JNCC) mitigation guidelines Wave Ecology, United Kingdom
2008/06/01 - 2009/07/01 Marine Science Officer. Coordinating boat-based surveys, developing studies on the population dynamics of sea turtles and marine mammals, training and supervising over 120 volunteers in survey and mon Global Vision International, United Kingdom
2005/05/01 - 2007/12/01 Marine mamaml surveys CIRCE (Conservation Information and Research on Cetaceans), Spain
2007/06/01 - 2007/07/01 Marine Mammal Observer. Survey observer on the Trans North Atlantic Sighting Surveys to estimate the summer distribution and absolute abundance of cetacean populations. Gronlands Naturinstitut, Greenland
2005/03/01 - 2005/04/01 Environmental Control Officer. Survey observer collecting and analyzing water and soil samples from a dredging operation. Tecnoambiente, Spain
2004/04/01 - 2004/12/01 Research assistant. Boat-based distance sampling surveys to estimate the abundance of bottlenose dolphins and harbor porpoises in the SAC of the Cardigan Bay. Land-based surveys to investigate the use Sea Watch Foundation and Cardigan Bay Marine Wildlife Center, United Kingdom
Projects

Grant

Designation Funders
2019/12/01 - Current SUMMER - Sustainable management of mesopelagic resources
817806
Researcher
Institute of Marine Research, Portugal
 European Commission
Ongoing
2023/01/01 - 2026/12/31 New Copernicus Capability for Trophic Ocean Networks (NECCTON)
101081273
Research Fellow
IMAR - Instituto do Mar, Portugal
 Horizon Europe
Ongoing
2020 - 2022 MARCET II - Fomento da actividade eco turística de observação de cetáceos como modelo de desenvolvimento económico sustentável mediante aprotecção e conservação destas espécies e valor acrescentado como património natural da Macaronesia
MAC2/4.6c/392)
Post-doc Fellow
Institute of Marine Research, Portugal
Ongoing
2019/03/01 - 2020/08/01 WATCH IT - Whale watching effects on sperm whales disturbance assessment towards a sustainable ecotourism
WATCHITI 2
Post-doc Fellow
Institute of Marine Research, Portugal
 Fundo Regional para a Ciência e Tecnologia
Ongoing
2018/07/01 - 2019/03/30 MISTIC SEAS II - Applying a subregional coherent and coordinated approach to the monitoring and assessment of marine biodiversity in Macaronesia for the second cycle of the MSFD
misticseas2
Post-doc Fellow
Concluded

Contract

Designation Funders
2017/01/15 - 2017/12/31 Green Matrix uploaded: a new ecosystem variable for marine resources sector
CLS-DOS-PR-15-0336
Post-doc Fellow
collecte localisation satellites, France

Institute of Marine Research, Portugal

Danmarks Tekniske Universitet Institut for Akvatiske Ressourcer, Denmark
collecte localisation satellites
Concluded
2016 - 2016 Connectivity between Indian Ocean humpback dolphin populations in East Africa: What is the most appropriate unit for conservation?.
2015_Marine_Mammal_Commission
Researcher
Watamu Marine Association, Kenya
 Marine Mammal Commission
Concluded
2015 - 2016 BY-Catch Assessment and Mitigation in Western Indian Ocean Fisheries (BYCAM)
Grant Number MASMA/CP/2014/01
Technical development
Watamu Marine Association, Kenya
 Western Indian Ocean Marine Science Association
Concluded
2005 - 2006 Impacts produced by maritime traffic on the cetacean populations of the Strait of Gibraltar. Actual situation and future plans.
23232
Researcher
CIRCE (Conservation Information and Research on Cetaceans), Spain
 “Dirección General para la Biodiversidad” of the Spanish Ministry of Environment
Concluded
2005 - 2006 Conservation of cetaceans and turtles in Murcia and Andalucia.
LIFE02NAT/E/8610
Researcher
Conservation, Information and Research on Cetaceans, Spain
Concluded

Other

Designation Funders
2022 - Current LIFE IP AZORES NATURA
LIFE17 IPE/PT/000010
Researcher
IMAR - Instituto do Mar, Portugal
 European Commission
Ongoing
Outputs

Publications

Book chapter
  1. Mónica A. Silva; Pérez-Jorge, Sergi; Pablo Chevallard. "Atlantic spotted dolphin (Stenella frontalis)". In Handbook of the Mammals of Europe, edited by Klaus Hackländer; Frank E. Zachos.. Springer, 2020.
    Under revision
Conference poster
  1. Ruth Esteban Pavo; Philippe Verborgh; Pérez-Jorge, Sergi; Rebecca M. Boys; Mónica A. Silva; Luis Freitas. "MISTIC SEAS II: Designing and implementing pilot monitoring programmes for cetaceans in Macaronesian waters.". Paper presented in World Marine Mammal Conference, 2019.
  2. Marta Tobeña; Pérez-Jorge, Sergi; Rui Prieto; Miguel Machete; Manuela Juliano; Beatriz Calmettes; Patrick Lehodey; Mónica A. Silva. "Assessment of ship strike risk for sperm whales, using prey-informed distribution models and shipping intensity from AIS". Paper presented in World Marine Mammal Conference, 2019.
  3. Bruno Claro; Pérez-Jorge, Sergi; Silvia Frey. "Seafloor geomorphic data predictors or bathymetric proxies? An alternative approach into modelling distribution of cetaceans.". Paper presented in World Marine Mammal Conference, 2019.
  4. Marta Tobeña; Pérez-Jorge, Sergi; Miguel Machete; Beatriz Calmettes; Patrick Lehodey; Mónica A. Silva. "Investigating the effect of including simulated ocean mid-trophic prey data from SEAPODYM in the performance of large whale habitat modelling". Paper presented in Annual Meeting of the European Cetacean Society, 2018.
  5. Michael Gilbert Mwang’ombe; Pérez-Jorge, Sergi; Kahindi Katana Charo,; Jimmy Kahindi Yaa; Norton Njuguna; Steve Trott; Jane Spilsbury. "Cetacean species distribution and encounter rates in the Malindi - Watamu National Marine Reserve 2011 - 2014". Paper presented in Western Indian Ocean Science Association conference, 2015.
  6. Pérez-Jorge, Sergi; Thalia Pereira; Chloe Corne; Zeno Wijtten; Mohammed Omar; Mark Kinyua; Daniel Oro; Maite Louzao. "Integrative assessment of human dimension on the conservation of the Indo-Pacific bottlenose dolphin in Kenya". Paper presented in Devotes-Euro Marine Summer School, 2015.
  7. Pérez-Jorge, Sergi; Inês Gomes; Kirsty Morley; Richard Lemarkat; Daniel Oro; Leszek Karczmarski. "Cetaceans around Kisite-Mpunguti Marine Protected Area (Kenya): Spatio-temporal distribution and encounter rate.". Paper presented in Western Indian Ocean Science Association conference, 2011.
  8. Kirsty Morley; Pérez-Jorge, Sergi; Mohammed Omar; Richard Lemarkat; Graham Corti. "Abundance and spatial distribution of Indo-Pacific humpback dolphins (Sousa chinensis) and possible threats on the south coast of Kenya". Paper presented in Western Indian Ocean Science Association conference, 2011.
  9. Kirsty Morley; Pérez-Jorge, Sergi; Mohammed Omar; Richard Lemarkat; Graham Corti. "Seasonal occurrence and distribution of sea turtle in and around the Kisite-Mpunguti Marine Protected Area". Paper presented in Western Indian Ocean Science Association conference, 2011.
  10. Pérez-Jorge, Sergi; Inês Gomes; Rachel Crouthers; Richard Lemarkat; Graham Corti. "Indo-Pacific bottlenose dolphin (Tursiops aduncus) population study of Kisite-Mpunguti Marine Protected Area, East Africa". Paper presented in Annual Meettng of the European Cetacean Society, 2010.
  11. Pérez-Jorge, Sergi; Antonio García-Lopez; Renaud de Stephanis; Philippe Verborgh; Alicia Sanchez; Susana García-Tiscar; Juan Manuel Mancera; Gonzalo Rodríguez-Martínez. "Levels of progesterone and testosterone in blubber from cetaceans of the Strait of Gibraltar". Paper presented in Annual Meeting of the European Cetacean Society, 2007.
  12. Ruth Esteban; Renaud de Stephanis; Sergi Pérez-Jorge; Philippe Verborgh; Maria Carbó; Susana García-Tiscar; Christopher Guinet. "Analysis of the diet of pilot whales (Globicephala melas) from the Strait of Gibraltar". Paper presented in Annual Meeting of the European Cetacean Society, 2007.
    10.5339/qproc.2016.iwsc4.27
  13. Philippe Verborgh; Lionel Minvielle Sebastia; Renaud de Stephanis; Alicia Sanchez; Pérez-Jorge, Sergi; Pauline Gauffier; Amelie Boué; Christopher Guinet. "Sex determination from biopsies of long-finned pilot whales". Paper presented in Annual Meeting of the European Cetacean Society, 2007.
  14. Noelia Seller; Renaud de Stephanis; Philippe Verborgh; Ruth Esteban Pavo; Pérez-Jorge, Sergi; Christopher Guinet. "Are the killer whales “Endangered” in the Strait of Gibraltar?". Paper presented in Annual Meeting in European Cetacean Society, 2007.
  15. Pauline Gauffier; Philippe Verborgh; Amelie Boué; Renaud de Stephanis; Pérez-Jorge, Sergi; Christopher Guinet. "Does age influence the photographic capture probability of long-finned pilot whales?". Paper presented in Annual Meeting of the European Cetacean Society, 2007.
  16. Pérez-Jorge, Sergi; Renaud de Stephanis; Philippe Verborgh; Alicia Sanchez. "Absolute abundance of bottlenose dolphins in the Strait of Gibraltar". Paper presented in Annual Meeting of the European Cetacean Society, 2006.
  17. Ruth Esteban; Renaud de Stephanis; Noelia Seller; Alicia Sanchez; Philippe Verborgh; Pérez-Jorge, Sergi. "Anthropogenic activities related to cetaceans in the Strait of Gibraltar and the Gulf of Barbate". Paper presented in Annual Meeting of the European Cetacean Society, 2006.
  18. Alicia Sanchez; Renaud de Stephanis; Philippe Verborgh; Pérez-Jorge, Sergi; Christopher Guinet. "Spatial distribution of small odontocetes in the Strait of Gibraltar in relation with the maritime traffic, the fisheries and the whale-watching activities.". Paper presented in Annual Meeting of the European Cetacean Society, 2006.
  19. Noelia Seller; Renaud de Stephanis; Ruth Esteban; Philippe Verborgh; Pérez-Jorge, Sergi; Christopher Guinet. "Temporal distribution of marine mammals in the Strait of Gibraltar in relation with maritime traffic, the fisheries and the whale-watching activities.". Paper presented in Annual Meeting of the European Cetacean Society, 2006.
    10.23977/mastic.018
  20. Renaud de Stephanis; Philippe Verborgh; Alicia Sanchez; Pérez-Jorge, Sergi; Christopher Guinet. "Spatial and temporal distribution, and abundance of sperm whales (Physeter macrocephalus) related to collisions with the maritime traffic in the Strait of Gibraltar between 1998 and 2005". Paper presented in Annual Meeting of the European Cetacean Society, 2006.
Journal article
  1. Pérez-Jorge, Sergi; Oliveira, Cláudia; Rivas, Esteban Iglesias; Prieto, Rui; Cascão, Irma; Wensveen, Paul J.; Miller, Patrick J. O.; Silva, Mónica A.. "Predictive model of sperm whale prey capture attempts from time-depth data". Movement Ecology 11 1 (2023): http://dx.doi.org/10.1186/s40462-023-00393-2.
    Published • 10.1186/s40462-023-00393-2
  2. Silva, Mónica A.; Fonseca, Catarina T.; Olivar, M. Pilar; Bernal, Ainhoa; Spitz, Jérôme; Chouvelon, Tiphaine; Jonasdottir, Sigrún; et al. "MesopTroph, a database of trophic parameters to study interactions in mesopelagic food webs". Scientific Data 9 1 (2022): http://dx.doi.org/10.1038/s41597-022-01831-3.
    10.1038/s41597-022-01831-3
  3. Oliveira, Cláudia; Pérez-Jorge, Sergi; Prieto, Rui; Cascão, Irma; Wensveen, Paul J.; Silva, Mónica A.. "Exposure to whale watching vessels affects dive ascents and resting behavior in sperm whales". Frontiers in Marine Science 9 (2022): http://dx.doi.org/10.3389/fmars.2022.914397.
    Published • 10.3389/fmars.2022.914397
  4. Fonseca, Catarina T.; Pérez-Jorge, Sergi; Prieto, Rui; Oliveira, Cláudia; Tobeña, Marta; Scheffer, Annette; Silva, Mónica A.. "Dive Behavior and Activity Patterns of Fin Whales in a Migratory Habitat". Frontiers in Marine Science 9 (2022): http://dx.doi.org/10.3389/fmars.2022.875731.
    10.3389/fmars.2022.875731
  5. Miriam Romagosa; Sergi Pérez-Jorge; Irma Cascão; Helena Mouriño; Patrick Lehodey; Andreia Pereira; Tiago A. Marques; Luís Matias; Mónica A. Silva. "Food talk: 40-Hz fin whale calls are associated with prey biomass". Proceedings of the Royal Society B: Biological Sciences (2021): https://doi.org/10.1098/rspb.2021.1156.
    10.1098/rspb.2021.1156
  6. Mwango’mbe, Michael Gilbert; Spilsbury, Jane; Trott, Steve; Nyunja, Judith; Wambiji, Nina; Collins, Tim; Gomes, Inês; Pérez-Jorge, Sergi. "Cetacean Research and Citizen Science in Kenya". Frontiers in Marine Science 8 (2021): http://dx.doi.org/10.3389/fmars.2021.642399.
    Published • 10.3389/fmars.2021.642399
  7. Sergi Pérez-Jorge; Marta Tobeña; Rui Prieto; Frederic Vandeperre; Beatriz Calmettes; Patrick Lehodey; Mónica A. Silva; George Stevens. "Environmental drivers of large-scale movements of baleen whales in the mid-North Atlantic Ocean". Diversity and Distributions 26 6 (2020): 683-698. https://doi.org/10.1111/ddi.13038.
    Published • 10.1111/ddi.13038
  8. Bruno Claro; Pérez-Jorge, Sergi; Silvia Frey. "Seafloor geomorphic features as an alternative approach into modelling the distribution of cetaceans". Ecological Informatics (2020): https://doi.org/10.1016/j.ecoinf.2020.101092.
    In press
  9. Pérez-Jorge, Sergi; Pascal Thoya; Gladys Okemwa; Hamadi Mwamlavya; Arthur Tuda; Nina Wambiji; Joseph M. Maina. "Spatial patterns and environmental risks of ring nets along Kenyan coast". African Journal of Marine Science (2019):
    In press
  10. Miriam Romagosa; Carlos Lucas; Pérez-Jorge, Sergi; Marta Tobeña; Patrick Lehodey; Jesus Reis; Irma Cascão; et al. "Differences in regional oceanography and prey biomass influence the presence of foraging odontocetes at two Atlantic seamounts". Marine Mammal Science (2019): http://dx.doi.org/10.1111/mms.12626.
    Published • 10.1111/mms.12626
  11. Rebecca M. Boys; Cláudia Oliveira; Sergi Pérez-Jorge; Rui Prieto; Lisa Steiner; Mónica A. Silva. "Multi-state open robust design applied to opportunistic data reveals dynamics of wide-ranging taxa: the sperm whale case". Ecosphere 10 3 (2019): e02610-e02610. https://doi.org/10.1002/ecs2.2610.
    10.1002/ecs2.2610
  12. Inês Gomes; Laura Peteiro; Juan Bueno-Pardo; Rui Albuquerque; Sergi Pérez-Jorge; Eduardo R. Oliveira; Fátima L. Alves; Henrique Queiroga. "What's a picture really worth? On the use of drone aerial imagery to estimate intertidal rocky shore mussel demographic parameters". Estuarine, Coastal and Shelf Science 213 (2018): 185-198. https://doi.org/10.1016/j.ecss.2018.08.020.
    10.1016/j.ecss.2018.08.020
  13. Andrew J. Temple; Jeremy J. Kiszka; Selina M. Stead; Nina Wambiji; Atanásio Brito; Christopher N. S. Poonian; Omar A. Amir; et al. "Marine megafauna interactions with small-scale fisheries in the southwestern Indian Ocean: a review of status and challenges for research and management". Reviews in Fish Biology and Fisheries (2018): https://doi.org/10.1007/s11160-017-9494-x.
    10.1007/s11160-017-9494-x
  14. Inês Gomes; Pérez-Jorge, Sergi; Laura Peteiro; Joana Andrade; Juan Bueno-Pardo; Victor Quintino; Ana Maria Rodrigues; et al. "Marine biological value along the Portuguese continental shelf; insights into current conservation and management tools". Ecological Indicators 93 (2018): 533-546. http://www.sciencedirect.com/science/article/pii/S1470160X18303819.
    Published • https://doi.org/10.1016/j.ecolind.2018.05.040
  15. Pérez-Jorge, Sergi. "Estimating the cumulative effects of the nature-based tourism in a coastal dolphin population from southern Kenya". Deep Sea Research II: Topical Studies in Oceanography (2016): http://www.sciencedirect.com/science/article/pii/S0967064516302478.
    10.1016/j.dsr2.2016.08.011
  16. Heithaus, Michael R.; Kiszka, Jeremy J.; Cadinouche, Adèle; Dulau-Drouot, Violaine; Boucaud, Virginie; Pérez-Jorge, Sergi; Webster, Imogen. "Spatial variation in shark-inflicted injuries to Indo-Pacific bottlenose dolphins (Tursiops aduncus) of the southwestern Indian Ocean". Marine Mammal Science 33 1 (2016): 335-341. http://dx.doi.org/10.1111/mms.12346.
    10.1111/mms.12346
  17. Pérez-Jorge, Sergi; Inês Gomes; Kirsty Hayes; Graham Corti; Maite Louzao; Meritxell Genovart; Daniel Oro. "Effects of nature-based tourism and environmental drivers on the demography of a small dolphin population". Biological Conservation 197 (2016): 200-208. http://dx.doi.org/10.1016/j.biocon.2016.03.006.
    Published • 10.1016/j.biocon.2016.03.006
  18. Pérez-Jorge, Sergi; Thalia Pereira; Chloe Corne; Zeno Wijtten; Mohamed Omar; Jillo Katello; Mark Kinyua; Daniel Oro; Maite Louzao. "Can Static Habitat Protection Encompass Critical Areas for Highly Mobile Marine Top Predators? Insights from Coastal East Africa". PLOS ONE (2015):
    Published • 10.1371/journal.pone.0133265
  19. Pérez-Jorge, Sergi; Angel García-López; Renaud de Stephanis; Joan Giménez; Susana García-Tiscar; Philippe Verborgh; Juan Miguel Mancera; Gonzalo Martínez-Rodríguez. "Use of blubber levels of progesterone to determine pregnancy in free-ranging live cetaceans". Marine Biology (2011): http://link.springer.com/article/10.1007%2Fs00227-011-1676-9.
    Published • 10.1007/s00227-011-1676-9
  20. Philippe Verborgh; Renaud de Stephanis; Pérez-Jorge, Sergi; Yannis Jaget; Christopher Barbraud; Christopher Guinet. "Survival rate, abundance, residency of long-finned pilot whales in the Strait of Gibraltar". Marine Mammal Science (2009): http://onlinelibrary.wiley.com/doi/10.1111/j.1748-7692.2008.00280.x/abstract?userIsAuthenticated=false&deniedAccessCustomisedMessage=.
    Published • 10.1111/j.1748-7692.2008.00280.x
  21. Renaud de Stephanis; Philippe Verborgh; Pérez-Jorge, Sergi; Ruth Esteban; L. Minvielle-Sebastia; Christopher Guinet. "Long-term social structure of long-finned pilot whales (Globicephala melas) in the Strait of Gibraltar". Acta Ethologica (2008): http://link.springer.com/article/10.1007%2Fs10211-008-0045-2.
    Published • 10.1007/s10211-008-0045-2
  22. Renaud de Stephanis; Susana García-Tiscar; Philippe Verborgh; Ruth EstebanPavo; Pérez-Jorge, Sergi; L. Minvielle-Sebastia; Christopher Guinet. "Diet of the social groups of long-finned pilot whales (Globicephala melas) in the Strait of Gibraltar.". Marine Biology (2008): http://link.springer.com/article/10.1007%2Fs00227-008-0953-8.
    Published • 10.1007/s00227-008-0953-8
Magazine article
  1. Sergio Rejado; Pérez-Jorge, Sergi. "Kenyan dolphin-watching tourism", Quecus, 2014, https://www.revistaquercus.es/noticia/5219/internacional/el-turismo-de-cetaceos-objeto-de-control-en-el-sur-de-kenia-.html.
  2. Steve Trott; Pérez-Jorge, Sergi; Jane Spilsbury; Zeno Wijjten. "The Big Five of the Ocean. Available to view off the Kenyan coast today", SWARA (The East African Wildlife Society)., 2013
  3. Steve Trott; Pérez-Jorge, Sergi; Jane Spilsbury; Zeno Wijjten. "Watamu Marine Association Aims for Cetacean Safeguards on Kenyan Coast", AWI Quaterly., 2013, https://awionline.org/awi-quarterly/2013-winter/watamu-marine-association-aims-cetacean-safeguards-kenyan-coast.
Newsletter article
  1. Pérez-Jorge, Sergi. "Newsletter Issue 4", Semiannual newsletter of the Kenya Marine Mammal Network, 2013, https://12e835db-fb24-deba-dbea-1aa79893b2c3.filesusr.com/ugd/a74474_ab2407bbc7cb412a8dc2ace7b5a7cbed.pdf.
  2. Pérez-Jorge, Sergi. "Newsletter Issue 3", Semiannual newsletter of the Kenya Marine Mammal Network, 2013, https://12e835db-fb24-deba-dbea-1aa79893b2c3.filesusr.com/ugd/a74474_d3b1c2a08c4ddbfc43c52995d2c898e4.pdf.
  3. Pérez-Jorge, Sergi. "Newsletter Issue 2", Semiannual newsletter of the Kenya Marine Mammal Network, 2013, https://lookaside.fbsbx.com/file/The%20Kenya%20Marine%20Mammal%20Network%20Newsletter_Issue%202.pdf?token=AWxqb1QKzhjkBKxjXFBBFTu2Pt_AnmlYA1PFatlrdCzO-jcQAJc9bJQiB7RmlwD3nv0a26VeqYIJ5KWYuCGmWH6ialYh6aOOrHyQiLKMuQ1ky2DUMKEq8wfhvdRTmXHRstrhKLfWtVftAgtipzCI-.
  4. Pérez-Jorge, Sergi. "Newsletter Issue 1", Semiannual newsletter of the Kenya Marine Mammal Network, 2012, https://lookaside.fbsbx.com/file/The%20Kenya%20Marine%20Mammal%20Network%20newsletter.%20Issue%201.pdf?token=AWwkqtq5RXBYwQ5e5NRIByLcVJmgP2poZhC1cceevFWPj5T5rspyhglSnC9DUUIuqLs_pBwrB8JNXSuNCMHCPU2kjwB5s0PelSHvnc27vAt4mzb6gyuyVMMJNA9maXzJdAw9SeYO7eFdMpk8NJ.
Online resource
  1. Pérez-Jorge, Sergi. Tracking whales in the North-Atlantic. Use Cases. Copernicus Marine Service.. 2020. https://marine.copernicus.eu/services/use-cases/tracking-whales-north-atlantic.
Thesis / Dissertation
  1. Pérez-Jorge, Sergi. "Ecology of the Indo-Pacific bottlenose dolphin around Kisite-Mpunguti Marine Protected Area, Kenya". PhD, 2016. researchgate.net/publication/293644611_Ecology_of_the_Indo-Pacific_bottlenose_dolphin_around_Kisite-Mpunguti_Marine_Protected_Area_Kenya.
Website
  1. Pérez-Jorge, Sergi. Kenya Marine Mammal Network (KMMN). 2013. https://kenyammnetwork.wixsite.com/kmmnetwork.
Working paper
  1. Michael Mwang'ombe; Pérez-Jorge, Sergi; Inês Gomes; Steve Trott; Jane Spilsbury. 2020. "The Kenya Marine Mammal Network: cetacean research and ci>¿zen science. Document SC/68A/CMP/20 presented in the 68 Scientific Committee of the International Whaling Commission, Nairobi, Kenya".
  2. Gill Braulik; S. Atkins; T. Bouveroux; M. Caputo; S. Cerchio; T. Collins; D. Conry; et al. 2020. "Development of Flukebook automated photo-ID matching capability for the Indian Ocean humpback dolphin, Sousa plumbea. Document SC/68B/SM/05 presented in the 68 Scientific Committee of the International Whaling Commission, Nairobi, Kenya".
  3. Renaud de Stephanis; Christopher Guinet; Philippe Verborgh; Pérez-Jorge, Sergi; Alicia Sanchez; Juanma Salazar Sierra; Enara Marcos Ipiña; et al. 2007. "Killer whales around Spain. Document SC/59/SM25 presented in the 59 Scientific Committee of the International Whaling Commission, Anchorage, USA.".
  4. Susana García-Tiscar; Juan Almunia; Renaud de Stephanis; Enrique Molina; Philippe Verborgh; Maria Carbó; Pérez-Jorge, Sergi. 2007. "Conservation of killer whales in the Strait of Gibraltar through a study of its diet. Almoraima, Journal of the Institute of regional studies".
  5. Philippe Verborgh; Renaud de Stephanis; Susana García-Tiscar; Maria Carbó; Pérez-Jorge, Sergi; Christopher Barbraud; Christopher Guinet. 2007. "Residency, social structure and foraging strategies of long-finned pilot whales in the Strait of Gibraltar. Almoraima, journal of the Institute for the Gibraltar region studies".
  6. Renaud de Stephanis; Susana García-Tiscar; Thoulie Cornulier; Philippe Verborgh; Pérez-Jorge, Sergi; Ruth Esteban Pavo; Christopher Guinet. 2007. "Spatial competition among cetaceans in the Strait of Gibraltar from carbon and nitrogen isotopic relationships on skin. Almoraima, journal of the Institute for the Gibraltar region studies.".
  7. Ana Cañadas; Renaud de Stephanis; Pérez-Jorge, Sergi; Susana García-Tiscar; Philippe Verborgh; Philip Hammond. 2006. "Methods for estimating cetacean abundance: model-based line transects and mark-recapture compared. Document SC/58/IA13 presented in the 58 Scientific Committee of the International Whaling Commission, St Kitts and Nevis".
  8. Renaud de Stephanis; Philippe Verborgh; Pérez-Jorge, Sergi; Alicia Sanchez; Christopher Guinet; Bruce Mate. 2005. "Temporal distribution of cetacean in the Strait of Gibraltar. Is there a real cetacean migration through the Strait? Almoraima, journal of the Institute for the Gibraltar region studies.".
  9. Pérez-Jorge, Sergi; Renaud de Stephanis; Philippe Verborgh; Alicia Sanchez; Christopher Guinet; Susana García-Tiscar. 2005. "Spatial distribution of cetaceans in the Strait of Gibraltar during the summer period. Almoraima, journal of the Institute for the Gibraltar region studies.".
  10. Philippe Verborgh; Renaud de Stephanis; Pérez-Jorge, Sergi; Alicia Sanchez; Ana Cañadas; Christopher Guinet. 2005. "Absolute abundance estímate of the resident and semi-resident cetacean population in the Strait of Gibraltar. Almoraima, journal of the Institute for the Gibraltar region studies.".
  11. Alicia Sanchez; Philippe Verborgh; Renaud de Stephanis; Pérez-Jorge, Sergi; Christopher Guinet. 2005. "Interactions between cetaceans and anthropogenic activities in the Strait of Gibraltar. Almoraima, journal of the Institute for the Gibraltar region studies.".
Activities

Oral presentation

Presentation title Event name
Host (Event location)
2023/02/24 The use of the ecological model SEAPODYM to study cetaceans Jornadas de transferência de conhecimentos MARCET II: Ecológicas
(São Miguel, Portugal)
2022 Mesopelagic consumption by cetaceans in the Azores Archipelago International Council for the Exploration of the Sea (ICES)
2022 Predictive model of sperm whale prey capture attempts from time-depth data 24th Biennial Conference on the Biology of Marine Mammals
(Florida, United States)
2021/09 Environmental drivers of the large-scale movements of baleen whales in the mid-Atlantic Ocean ICES Conference - Session A: Top predators, food webs, and ecosystem-based fisheries management
ICES (Denmark)
2021/01/27 Round table: Evolving CMEMS offer to match user needs Copernicus Marine Service General Assembly
2019/12/08 Cetacean conservation through citizen science in Kenya World Marine Mammal Conference
(Barcelona, Spain)
2018/04/06 Environmental drivers of the large-scale movements of baleen whales in the mid-Atlantic Ocean. 32nd Annual Meeting of the European Cetacean Society
(La Spezia, Italy)
2018/04/06 Multi-state open robust design models for dealing with incomplete sampling and imperfect detection: an example with sperm whales and opportunistic photo-ID data 32nd Annual Meeting of the European Cetacean Society
(La Spezia, Italy)
2016 Can static habitat protection encompass critical areas for highly mobile marine top predators? Insights from coastal East Africa 3rd Kenyan Marine Mammal Workshop
Kenya Marine Mammal Network (Mombasa, Kenya)
2015/10/26 Combining occurrence and abundance models to evaluate the suitability of an existing MPA for dolphins. 9th Western Indian Ocean Marine Science Association
(South Africa)
2015/06/29 Humpback whale sightings along the Kenyan coast 2011 and 2013 Humpback whale world congress
(Madagascar)
2015/03/23 Can static habitat protection encompass critical areas for highly mobile marine top predators? Insights from coastal East Africa. 29th Annual Meeting of the European Cetacean Society
(Malta)
2014/06/02 Ecological risk assessment for vulnerable megafauna captured in East African artisanal fisheries inferred from fishermen’s knowledge. 2nd Shark International Conference
(South Africa)
2013 Impacts on Marine Mammals in Kenya 1st Kenya Marine Mammal Workshop
Kenya Marine Mammal Network (Mombasa, Kenya)
2013 Results from the Kenyan Marine Mammal Network 2011-2013 1st Kenya Marine Mammal Workshop
Kenya Marine Mammal Network (Mombasa, Kenya)
2011/06 Techniques for cetacean studies: Photo-identification and Mark-Recapture
University of Algarve (Faro, Portugal)
2007/11/29 Spatial distribution of cetaceans in the Strait of Gibraltar, and foraging strategies 17thBiennal Conference on the Biology of Marine Mammals
(South Africa)
2007/11/29 How captive killer whales contribute to the conservation of wild populations. Research on stable isotopes 17thBiennal Conference on the Biology of Marine Mammals
(South Africa)
2007/11 Cetaceans In The Strait Of Gibraltar. An Overview Of 10 Years Of Research And Conservation Measures Workshop “Marine Mammal Research and Conservation in Africa”,
17th Biennal Conference of the Society of Marine Mammalogy (Cape Town, South Africa)
2007 Sperm Whales In The Strait Of Gibraltar: Spatial And Temporal Distribution, Diet, Migration Patterns, And Conservation Issues And Solutions Workshop Sperm Whales and Marine Ecosystems
17th Biennial Conference of the Society of Marine Mammalogy (Cape Town, South Africa)
2006/06/04 Population size and residency of the bottlenose dolphin (Tursiops truncatus) in the Strait of Gibraltar Biannual Conference of the Spanish Cetacean Society.
( Cartagena, Spain)
2006 Maritime traffic impact on cetacean populations in the Strait of Gibraltar. Current situation and future previsions Workshop on Collisions in the Mediterranean,
Agreement on the Conservation of Cetaceans of the Black Sea, Mediterranean Sea and Contiguous Atlantic Area (ACCOBAMS) (Monaco, Italy)
2005/09/17 Spatial distribution of the cetacean inhabiting in the Strait of Gibraltar during summer months VII Fauna and Flora sessions from Campo de Gibraltar
(Algeciras, Spain)

Supervision

Thesis Title
Role 		Degree Subject (Type)
Institution / Organization
2021/09/01 - Current Quantifying prey consumption by cetaceans within the central group of the Azores archipelago
Supervisor
 Master Marine Ecosystem and Fisheries Sciences (Master)
2021 - Current Quantifying prey consumption by cetaceans within the central group of the Azores archipelago
Supervisor
IMAR - Instituto do Mar, Portugal

Universität Hamburg, Germany
2021 - 2024 Assessing the energetic consequences of disturbance on a marine top predator
Supervisor
Universidade dos Açores - Campus da Horta, Portugal
2022/03/01 - 2023/01 Effects of climate change and anthropogenic disturbance on the interaction of two delphinid species: competition or co-existence?.
Supervisor
Universidade dos Açores, Portugal
2022 - 2022 Meta-análise da ecologia trófica da megafauna marinha
Co-supervisor
IMAR - Instituto do Mar, Portugal

Universidade de Aveiro, Portugal
2019/03 - 2020/02 Estimating cumulative exposure of sperm whales to whale watching intensity using spatially explicit capture-recapture models.
Supervisor
 Marine Ecosystem and Fisheries Sciences (Master)
Universität Hamburg, Germany
2019 - 2020 Descriptioon of the diving and foraging behaviour of fin whales (Balaenoptera physalus) in the Azores using Time-Depth Recorders
Co-supervisor
Universiteit Gent, Belgium
2016/07 - 2017/03 Abundance and residence patterns of bottlenose dolphin inhabiting Watamu National Marine Reserve (NMR). The study provided the first abundance estimates, residency patterns and home range of Tursiops aduncus inhabiting Watamu NMR. Given that there was no previous data on abundance estimates of the T.aduncus these results can be used as a baseline from which to monitor the population. T.aduncus inhabiting the study area, which faces intense destructive fishing and unsustainable tourism practise that pose a threat to this resident population.
Co-supervisor
 Science on Environmental Science (Master)
Pwani University, Kenya
2013/10 - 2014/06 Spatio-temporal distribution of sea turtles in Kisite-Mpunguti Marine Protected Area. The study revealed that sea turtles were distributed around KMMPA, identifying Kisite Island, Mpunguti reserve and Wasini channel as the main hotspots. The results also showed that KMMPA provides a good habitat for Hawksbill (Eretmochelys imbricata) and Green turtles (Chelonia mydas) throughout the year based on their feeding and resting rates around the study area.
Co-supervisor
 Coastal and Marine Resources Management (Degree)
Kenyatta University, Kenya
2013/10 - 2014/04 Assessing the feasibility to conduct marine mammal research from tourist dhows around Marine mammals' data collected from tourist dhows was compared to data collected onboard a research boat (RB) during the same study period around KMMPA. No significant differences were encountered on species, behavior, time of sightings and group sizes between the RB and TD, showing the possibility of using tourist dhows as research platform on the study area.
Co-supervisor
 Coastal and Marine Resources Management (Degree)
Kenyatta University, Kenya

Event organisation

Event name
Type of event (Role) 		Institution / Organization
2016/03/01 - 2016/03/04 Kenyan Marine Mammal Network workshop (2016/03/10 - 2016/03/10)
Workshop (Co-organisor)
 Kenya Marine Mammal Network, Kenya
2013/11/01 - 2013/11/04 Kenyan Marine Mammal Network meeting (2013/11/10 - 2013/11/10)
Workshop (Co-organisor)
 Kenya Marine Mammal Network, Kenya

Event participation

Activity description
Type of event 		Event name
Institution / Organization
2021/10/19 - Current Participation on the workshop "Global patterns of energetic expenditure: how do behavioural-bioenergetics relationships link to life-history strategies across taxa?"
Workshop
 International Bio-logging Science Symposium "Tracking the Changing World Around Us"
2021/04/27 - Current Participation on the International Whaling Comission as part of the National Portuguese delegation
Conference
 International Whaling Comission
2021/10/18 - 2021/10/21 Participation on the 7th International Bio-logging Science Symposium
Symposium
 Tracking the Changing World Around Us
2021/09/06 - 2021/09/09 Participation at the International Council for the Exploration of the Sea (ICES) conference 2021
Conference
 International Council for the Exploration of the Sea (ICES)

Jury of academic degree

Topic
Role 		Candidate name (Type of degree)
Institution / Organization
2020/07/01 Thesis title "Survival rates of different age classes of short-finned pilot whales, globicephala macrorhynchus, in the archipelago of Madeira"
(Thesis) Main arguer
 Jordi Tarrassó Toscano (Master)
Universiteit Gent, Belgium
2020/03/31 Thesis title "Estimating cumulative exposure of wildlife to non-lethal disturbance using spatially explicit capture–recapture models"
Supervisor
 Chiara Mandl (Master)
Universität Hamburg, Germany
2018/06/21 Title of Thesis “Abundance and Conservation Assessment of Indo-Pacific Bottlenose and Indian Ocean Humpback Dolphins off the South Coast of Zanzibar”
(Thesis) Main arguer
 Matthew Sharpe (Master)
Newcastle University, United Kingdom

Association member

Society Organization name Role
2010 - 2020 European Cetacean Society participation at annual meetings

Committee member

Activity description
Role 		Institution / Organization
2021/04/01 - Current Member of the Scientific Coordinating Committee of the Institute of Marine Science - Okeanos from the University of the Azores.
Member

Course / Discipline taught

Academic session Degree Subject (Type) Institution / Organization
2013/12/06 - 2013/12/06 Ecology and identification of Marine Mammals (8h) Coastal and Marine Resources Management Kenyatta University, Kenya
2012/11/02 - 2012/11/02 Ecology and identification of Marine Mammals (8h) Coastal and Marine Resources Management (Bachelor) Kenyatta University, Kenya
2011/10/01 - 2011/10/01 Ecology and identification of Marine Mammals (8h) Coastal and Marine Resources Management (Bachelor) Kenyatta University, Kenya
2011/06/02 - 2011/06/04 Cetacean identification and ecology course Cetacean identification and ecology course (Outros)

Journal scientific committee

Journal title (ISSN) Publisher
2021/02/01 - 2021/02/02 Marine Ecology Progress Series
2020/09/04 - 2020/09/05 Scientia Marina
2019/01/07 - 2019/01/08 Ecology and Evolution (2045-7758) Wiley (John Wiley & Sons)
2018/08/08 - 2018/08/09 Aquatic Conservation Marine and Freshwater Ecosystems (1099-0755) Wiley (John Wiley & Sons)
2018/01/09 - 2018/01/10 Ecology and Evolution (2045-7758) Wiley (John Wiley & Sons)
2018/01/04 - 2018/01/05 Marine and Freshwater Research (1323-1650) CSIRO Publishing
2016/11/27 - 2016/11/28 Aquatic Conservation Marine and Freshwater Ecosystems (1099-0755) Wiley (John Wiley & Sons)
2016/04/23 - 2016/04/24 Biological Conservation (0006-3207) Elsevier
2013/08/07 - 2013/08/08 Endangered Species Research (1613-4796) Inter-Research Science Center

Mentoring / Tutoring

Topic Student name
2023 - Current Prey consumption of marine top predators Angela Izquierdo Pérez
2022/02/22 - Current Analysing animal-borne data from sperm whales to investigate fine-scale movement patterns Fiona-Elaine Strasser
2022 - Current Investigate fine-scale movement patterns of sperm whales Fiona Strasser
2023/09 - 2024/05 Baleen whale phenology Daviana Berkowitz-Sklar
2022/01/15 - 2022/12/31 Mesopelagic prey quality and marine top predators energy requirements database Enrique Tejero Caballo
2021/09/28 - 2021/12/18 Long-term assessment of the spatial and temporal distribution of zooplankton and micronekton biomasses across the Azores region Enrique Tejero Caballo
2021/04/01 - 2021/08/31 Cetacean prey and energy requirements database Joshua Pons
Distinctions

Other distinction

2023 Finalist of the FLAD (Fundação Luso-Americana para Desenvolvimento) Science Award – ATLANTIC