Poster on October 4th, 2022
The DIDEM team is pleased to announce its participation in the symposium through the organization of a mini symposium on "The contribution of marine science in areas beyond national jurisdiction in the Western Indian Ocean to the development of a regional ocean governance strategy", by the DiDEM High Sea team as well as through oral and poster presentations on the various themes of the program: deltas, coastal erosion, mangroves or coral reefs.
> Learn more about the symposium
> WIOMSA and IRD: a close cooperation for marine science
Discover the list of DIDEM team presentations below
Monday, October the 10th
Poster Presentations - 2-4 pm
Theme VII: Estuaries and their resources
Deltas team - Regional WIO and Madagascar
Mapping the socio-physical dynamics of the Western Indian Ocean deltas
Paolo Paron (IHE-Delft), Stéphanie Duvail (UMR PALOC, IRD), Dominique Hervé (UMR SENS, IRD), Dinis Juizo (Univ. Eduardo Mondlane), Nordino Paluluane (Univ. Eduardo Mondlane), Simon Mwansasu (Univ. of Dar Es Salaam), Peter Gitau (Sorbonne Univ.), Wanja Nyingi (National Museums of Kenya), Johary Andriambeloson (IOGA), Eric Delaitre (UMR Espace Dev, IRD), Laurent Robison (CNRE)
Modeling saltwater intrusion in Incomati River as a contribution to the determination of Dynamic Environmental Flow
Clemêncio Nhantumbo (Eduardo Mondlane Univ., Faculty of Engineering), Dinis Juízo (Eduardo Mondlane Univ., Faculty of Engineering), Vânia Saúl (Eduardo Mondlane Univ., Faculty of Engineering), Nordino Paluluane (Eduardo Mondlane Univ., Faculty of Engineering), Mary Shirima (Eduardo Mondlane Univ., Faculty of Engineering)
Is the Betsiboka estuary a mangrove sediment filter or a sediment deposit?
Dominique Hervé (IRD-SENS), Laurent Robison (CNRE), Hary-Riana Ranjalahy (CNRE, PhD student), Ravakiniaina Randrianatoandro (Univ. Antananarivo, PhD student), Stefana Tabera Tsilefa (Univ. Fianarantsoa, PhD student)
Estimation of the concentration of suspended solids in the Betsiboka river using Sentinel 2 satellite images
Hary-Riana Ranjalahy (CNRE, PhD student); Robison, Laurent. (CNRE); Rakotondraompiana, S.; Rasolamanana, E.
Mapping workshop, Mozambique, 2021 @ Stéphanie Duvail
Wetlands, Mozambique @ Stéphanie Duvail
Mangroves, Madagascar @ Yacinthe Lesecq
THEME VIII: Human dimensions in coastal and marine management
Co-construction of hydrological scenarios for the Incomati Delta @ Stéphanie Duvail
Deltas team - Mozambique
A participatory observatory in Macaneta coastal wetland for the design of socio-environmental flows from the Incomati River (Mozambique)
Stéphanie Duvail (UMR PALOC, IRD), Dercio Alberto (Univ. Aix Marseille and IRD)
Island and Archipelago team - Comoros
How to manage marine biodiversity by integrating a Vague notion? Ecosystem services under the constraint of social representations and field realities in the Comoros
Nassim Said Abdallah (Univ. de la Réunion), Gilbert David (IRD, UMR Espace Dev)
Tuesday October 11th 2022
11:00 a.m. Oral presentation room 5
Session XI: Estuaries and their resources
Deltas Team, Mozambique
Mangroves in Mozambique @ IRD - Stéphanie Duvail
Massive mangrove dieback in Maputo River Estuary, Southern Mozambique
Authors : Mabilana, H. (Univ. Eduardo Mondlane); Machava-António, V (Univ. Eduardo Mondlane).; Macamo, C. (Univ. Eduardo Mondlane); Fernando, A. (Univ. Eduardo Mondlane); Massingue, M. (Univ. Eduardo Mondlane); Bandeira S. (Univ. Eduardo Mondlane), Paula, J. (Univ. of Lisbon)
12:20 pm Oral presentation room 6
Session XII : Ecosystem restoration : Innovative techniques
Islands and Archipelagos Team, Comoros
Review of ecological engineering techniques in marine environment : exceed practices or habits to improve effectiveness/ efficiency. Case of Indian Ocean coral reefs
Authors : Aurore Léocadie (Univ. la Réunion); Gilbert David (IRD, UMR Espace Dev); Sylvain Pioch (Univ. Montpellier); Mathieur Pinault (Associated researcher UMR ENTROPIE)
Coral reef, Seychelles @ IRD- Lola Massé
Poster Presentations - 2-4 pm.
THEME X : Governance of Coastal ans Marine Environment
Team Island and Archipelagos - Comoros
Monitoring coastal vulnerability to marine erosion in Comoros
Nourddine MIRHANI (CUP, Univ. of Comoros) ; Matthieu LE DUFF (Univ. center in Mayotte) ; Yann MERCKY (Univ. center in Mayotte); Espérance CILLAURREN (IRD, UMR Espace Dev) ; Gilbert DAVID (IRD, UMR Espace Dev)
Monitoring the profile of the Mtsangani Sima beach using topometer measurements @N. Mirhani
THEME XIV: Fisheries: ecology, gears impacts and stock status
Delta team - Kenya
Fishery characteristics and management in the floodplain lakes of Tana River delta, Kenya
David Ouma (Kenya Wetlands Biodiversity Research Team (KENWEB)), Wanja Dorothy Nyingi (National Museums of Kenya & KENWEB), Stéphanie Duvail (UMR PALOC, IRD)
View of the Tana delta, Kenya @ IRD - Stéphanie Duvail
Mini Symposium - Beach hotel, room 1 - 4pm
High sea, remote and deep seabed team
The contribution of marine science in areas beyond national jurisdiction in the Western Indian Ocean to the development of a regional ocean governance strategy
In partnership with the SAPPHIRE program, led by the Nairobi Convention, this mini symposium will highlight how advances in oceanographic research in the Western Indian Ocean (WIO) can be used to inform aspects of a regional strategy for ocean governance, particularly as it relates to the conservation and management of biodiversity beyond national jurisdictions (BBNJ).
It will provide information on a topic of regional importance, i.e., scientific information on areas beyond national jurisdictions (BBNJ) of the Western Indian Ocean (WIO) littoral states, which is currently relatively limited and poorly distributed and shared. The contribution of this information to a regional strategy to improve ocean governance in the WIO will be primarily to ensure that the importance of maintaining marine biodiversity in a healthy state to provide the basis for a sustainable blue economy is emphasized and integrated.
A presentation of the next mission of the Explorations of Monaco in the Western Indian Ocean will be made during the symposium
- Connectivity studies to support management strategies between Areas Beyond National Jurisdiction
Francis MARSAC (IRD, UMR MARBEC), Patrice GUILLOTREAU (Department of Blue Economy, Ministry of Fisheries and Blue Economy, Seychelles), Jan ROBINSON (SWIOFish3 Project Manager) , Juliette LUCAS (Department of Blue Economy, Ministry of Fisheries and Blue Economy, Seychelles), Francesca ADRIENNE (Department of Blue Economy, Ministry of Fisheries and Blue Economy, Seychelles), Taha IMZILEN (SWIOFish3 Project Manager), David KAPLAN (SWIOFish3 Project Manager), Estelle CROCHELET (IRD, La Réunion)
- Towards a FAIR Management of scientific data to describe the marine environment in the ABNJs and inform multilateral strategies and actions
Julien BARDE (IRD, UMR MARBEC)
- Overview of a collaborative oceanic cruise: Monaco Explorations Indian Ocean Expedition 2022
Gilles BESSERO (Monaco Explorations)
- Poster overview : Marine scientific advances on WIO investigated seamounts, banks, plateaus and structures, to be incorporated into ABNJ related arrangements and agreements? (DIDEM), followed by a Call for the constitution of a multidisciplinary working group on seamounts in the indian Ocean in the framework of the DIDEM project
Florence GALLETTI (IRD, UMR MARBEC), Jean-François TERNON (IRD, UMR MARBEC), Francis MARSAC (IRD, UMR MARBEC), Laure CORBARI (Muséum national d’Histoire naturelle), Philippe BOUCHET (Muséum national d’Histoire naturelle), Michael J. ROBERTS (Ocean Science Campus Nelson Mandela University)
- Studying large whales in the WIO high seas
Emmanuelle LEROY & Violaine DULAU (Globice-Reunion)
- Initiating a participatory process to build a common knowledge at a regional scale of the Indian ocean oceanic basin
Roseline BARONCE (IRD, UMR Espace-Dev), Denis BAILLY (Ocean University Initiative, Univ Brest), Linwood PENDELTON (Ocean Knowledge Action Network International Project, Univ Brest), Rodolphe DEVILLERS (IRD, UMR Espace-Dev), Sylvanna ANTHA (Blue Economy Research Institute (BERI), University of Seychelles)
- Recommendations for enhanced regional management of the ABNJ under bilateral, trilateral or multilateral arrangements within the regional ocean governance framework currently being developed under the Nairobi Convention
Yvonne WAWERU (WIOGI Western Indian Ocean Governance Initiative), Kilian KELLEHER (Nairobi Convention), Tim ANDREW (UNEP, Nairobi Convention), Mwangi THEURI (UNEP, Nairobi Convention)
> read the mini symposium description
Mini Symposium - Boardwalk, room C2 - 4pm
Deltas Mozambique Team,
Organised by the WIOSAP program
Holistic water and marine management from source to sea : Lessons learned from case studies focusing on environmental flows and marine litter management
Our seas suffer serious degradation from land-based activities in basins and cities; only a holistic water and marine management from source to sea can reverse that. It is necessary to mainstream source-to-sea systems thinking in governance and management with the aim of stimulating coordination among stakeholders for the design and implementation of actions for improved environmental flows and reduced marine litter pollutions along rivers and coasts, and at sea.
> read the mini symposium description
Wednesday October 12th
4:40 p.m. Oral presentation room 3
Session XV: Communities' perceptions and their involvement
Islands and Archipelagos team, Science and Civil Society
Empowering children to make informed decisions in the SW Indian Ocean: analysis of the Educational Marine Areas program
Authors : Georgeta Stoica (CUFR Mayotte); Philippe Charpentier (CUFR Mayotte); Lola Massé (IRD UMR Espace-Dev); Christelle Morel (Réserve Naturelle Marine de la Réunion); Karine Pothin (Réserve Naturelle Marine de la Réunion); Allen Cedras (Seychelles Parks and Garden Authority); Pascale Chabanet (IRD, UMR Entropie)
Snorkelling session, Curieuse Marine park, Seychelles@Marie Brioche
Thursday October 13th
11:20 a.m. Oral presentation room 3
Session XXIII: Coastal ecosystems and associated organisms: Status and impacts
Deltas Team, Mozambique
Location of sampling areas in Maputo Bay (eastern Africa) and Principe Island (western Africa) @ V. Machava Antonio
A comparison of mangrove forest structure and ecosystem services in Maputo Bay (Eastern Africa) and Principe Island (Western Africa)
Authors : V. Machava-António (Eduardo Mondlane Univ.); A. Fernando (Eduardo Mondlane Univ.); M. Massingue (Eduardo Mondlane Univ.); M. Cravo, (Univ. of Lisbon); H.P. Lima (Reserva da Biosfera e Parque Natural do Príncipe); P. Lopes (Reserva da Biosfera e Parque Natural do Príncipe); C. Macamo (Eduardo Mondlane Univ.); J. Paula (Univ. of Lisbon); S. Bandeira (Eduardo Mondlane Univ.)
12:00 pm Oral presentation room 6
Session XXIX: Linkages between physical, geological and biological processes
Deep Sea, Distant and Deep Sea Team
Bio-physical coupling at sub-mesoscale in the Southwest Indian Ocean: the RESILIENCE project
Auteurs : JF Ternon (IRD, UMR MARBEC); M. Noyon (Nelson Mandela Univ.); P. Penven (IRD, UMR LOPS); S. Herbette (UBO, UMR LOPS); M. Roberts (Nelson Mandela Univ.)
Posters presentations 2-4 pm
THEME XX: Fish ecology and biodiversity
Deltas team, Madagascar
Overview of the fish assemblage through the small-scale fishing analysis in the Betsiboka estuary, northwestern Madagascar
Tsirilaza Benjamin (Univ. Tuléar), Andriambeloson Johary Andriamihaja (IOGA) ; Rasoloariniaina Jean Robertin (Institut d’Enseignement Supérieur d’Antsirabe) ; Andriamirado Rabarison Guy Arthur (CNRE)
THEME XXIII: Mangroves ecosystems
Deltas team, Madagascar
Assessment of the Betsiboka estuary mangrove areas from 1989 to 2019
Ravaka RANDRIANATOANDRO (University of Antananarivo); Éric DELAITRE (IRD, UMR Espace-Dev); Samuel RAZANAKA (Centre National de Recherches sur l'Environnement); Dominique HERVE (IRD, UMR SENS)
Deltas team - Mozambique
Description of the benthic fauna in natural and restored mangrove ecosystems in Mozambique
Torres Taimo (Univ. Eduardo Mondlane), Júlia Sitoe (Univ. Eduardo Mondlane), Célia Macamo (Univ. Eduardo Mondlane), Daniela C. de Abreu (Museu de História Natural)
Summary map of the dynamics of the estuary between 1989 and 2019 @ Ravaka RANDRIANATOANDRO
Mangroves, Mozambique @ Stéphanie Duvail