Thematic school

Reef heritage vulnerability

Seychelles, 2024, June 10-14th

Group photo, DIDEM Seychelles theme school © Xavier Koenig 

From Monday June 10 to Friday June 14, a thematic school on the vulnerability of reef heritage was held at the University of Seychelles, Anse Royale campus. Some thirty participants from a variety of backgrounds and disciplines shared their experiences from several countries in the Western Indian Ocean and Europe: Comoros, France, Kenya, Madagascar, Mauritius, Monaco, Seychelles and Tanzania.

VULPARE schools started in 2014

The chosen theme, the vulnerability of reef heritage, has already been the subject of two thematic schools organized in Toliara, Madagascar, in 2014 and 2016. Jamal Mahafina, Director of the Institut Halieutique et des Sciences Marines de Toliara, which hosted these two thematic schools, recalled this link right from the school's first presentation.

For this session in the Seychelles, the school was hosted by the James Michel Blue Economy Research Institute of the University of Seychelles, whose Dean gave the introductory speech. This was followed by an introductory speech by Mr. Xavier Prache, Director of Monaco Explorations, sponsor of the school, to present the Mission Océan Indien framework in which the event took place.

The event received extensive media coverage, with several radio spots, TV news appearances and articles in the national and local press.

In situ measurement exercise, DIDEM Seychelles 2024 thematic school @ Xavier Koenig

Thematic school content and timetable

The main objective of this school was to compare knowledge and representations of the natural and cultural heritage of coral reefs from different disciplines, focusing on:

  • Assessing the resilience of the coral reef ecosystem;
  • Recognizing coral reefs as a natural heritage;
  • Building a coral reef socio-ecological system.

Of the five days devoted to the thematic school, three were devoted to classroom presentations, three half-days were devoted to field trips, and the remaining half-day was devoted to methods for processing data collected in the field.

Participants in the room of the DIDEM Seychelles 2024 thematic school @ Ahamada Djahere

Indoor presentations focused on seven complementary themes, enabling participants to discover reef heritage and vulnerability from a multidisciplinary perspective:

  • From ecosystem to reef socio-ecosystem
  • The coral ecosystem in all its states
  • Reef heritage monitoring and assessment
  • Reef heritage, fisheries and conservation
  • Integrated coastal zone management, blue economy and blue justice
  • Reef heritage in relation to education and awareness-raising
  • Ecological engineering

Through these themes, the group was able to explore the concepts of resilience, vulnerability, heritage and socio-ecological systems from the perspective of sustainability science. It included a section of presentations offered by various experts in the fields of anthropology, biology, ecology, fisheries, geography, governance and socio-economics to present the state of the art and lay common theoretical and methodological foundations, introduce fieldwork and initiate debate.

Given the diversity of the participants' scientific backgrounds, ranging from marine biology to geography to natural resource governance, all presentations were designed to be didactic, so that everyone could feel at ease and contribute to the overall reflection.

During the field day in the national parks of Ile Sainte Anne, Ile Moyenne and Anse Royale, the school proposed a field experience, conducted in small interdisciplinary groups, where participants from different backgrounds and skills applied methodologies from biological, human and social disciplines to foster exchanges (monitoring coral reef habitats and populations, ethnographic surveys, approach to fishing systems, analysis of social representations...).

By following an integrated approach, the school aims to position coral reef heritage as a cross-cutting element of analysis and management.


All presentations are available in English (except the first one)

Session: From ecosystem to reef socio-ecosystem

A look back at the international and interdisciplinary Southern Summer School: "EEA VulPaRe"

By Jamal Mahafina, Institut Halieutique et des Sciences Marines (IH.SM)

Geomorphology of reefs in southwestern Indian Ocean

By Lionel Bigot, Université de la Réunion, UMR Entropie

Session: The coral ecosystem in all its state

Coral reef ecosystem and its threats

By Pascale CHABANET, Institut de Recherches pour le Développement, UMR ENTROPIE

Session: Reef heritage monitoring and assessment

Reef ecosystem monitoring using the GCRMN method

By Lionel BIGOT & Pascale CHABANET, Univ. Réunion and Institut de Recherches pour le Développement, UMR ENTROPIE

How monitor human coral reef users?

By Gilbert DAVID, Institut de Recherches pour le Développement, UMR Espace Dev

Session: Reef heritage, fishing and conservation

Sea cucumber fisheries and management in the Seychelles (back to SEACUSEY project)

By Rodney GOVINDEN1, Ameer EBRAHIM2 et Marc LEOPOLD3, 1Seychelles Fishing Authority, 2Spécialiste des pêches, 3Institut de Recherches pour le Développement, UMR MARBEC

Research in Marine National Park

By Rodney BONNE, Seychelles Parks & Gardens Authority

Session: Integrated coastal zone management, blue economy and blue justice

Session: Processing information from collected data and scientific publications

Information processing for biological data

By Lionel Bigot, Université de la Réunion, UMR Entropie

Information processing for social data, the case of marine emblematic species

By Gilbert DAVID, Institut de Recherches pour le Développement, UMR Espace Dev

Session: Reef heritage versus education and awareness

Evaluating the impact of an awareness campaign using the MARECO teaching toolbox

By Pascale CHABANET1 et Georgeta STOICA2, 1Institut de Recherches pour le Développement UMR ENTROPIE,2Université de Mayotte

The PAREO project in the Seychelles, with Educational Marie Area of Curieuse feedbacks

By Maria BRIOCHE1 et Liza ALISSOP2, 1Seychelles Island Foundation, 2Baie Sainte Anne Primary School

Session: Ecological engineering

Ecological offsetting, the challenge of sizing and evaluating

By Mathieu PINAULT, Marine Expertise Company


Photos of the thematic school


Xavier Koenig, DIDEM Madagascar 2023 thematic school @Alice Marque

Ahamada Djahere, DIDEM thematic school Seychelles 2024 @Xavier Koenig


The school was funded by the Monaco Explorations as part of its Indian Ocean Expedition, and organized by the Institut de Recherche pour le Développement in partnership with the James Michel Institute for Research on the Blue Economy (University of Seychelles) and the Seychelles Parks and Gardens Authority.