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Jérôme OLLIER

Via @PlaneteNAUSICAA- L'île Maurice plaide pour une protection accrue des océans - ONU - 0 views

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    Le Représentant permanent de la République de Maurice aux Nations Unies, Milan Jaya NYAMRAJSINGH, a affirmé mardi à la tribune de l'Assemblée générale que le programme de développement pour l'après-2015 doit établir comme priorités le respect des droits de l'homme, l'égalité et le développement durable.
Jérôme OLLIER

Via @PlaneteNAUSICAA - Somalie : il faut s'attaquer aux causes profondes de la piraterie, selon l'ONU - ONU - 0 views

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    A l'occasion d'une réunion du Conseil de sécurité sur la piraterie au large de la Somalie, le Secrétaire général adjoint aux affaires politiques, Jeffrey FELTMAN, a souligné mercredi les progrès réalisés contre ce fléau mais a jugé qu'il fallait aider la Somalie à développer ses institutions pour s'assurer que ces progrès perdurent.
Jérôme OLLIER

La Dernière Frontière - @IUCN via @YouTube - 0 views

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    En avril 2017, une équipe internationale de scientifiques part étudier les écosystèmes inconnus d'un mont sous-marin reculé du sud-ouest de l'océan Indien à bord du MARION-DUFRESNE, navire océanographique français opéré par l'Institut polaire français IPEV. Le Banc WALTERS, une montagne submergée située au-delà des juridictions nationales, est étudié par les scientifiques du Muséum National d'Histoire Naturelle et de l'IRD (Institut de Recherche pour le Développement) pendant l'expédition de 26 jours. 'La Dernière Frontière' est un documentaire produit par l'UICN en partenariat avec et grâce au soutien financier du Fonds Français pour l'Environnement Mondial (FFEM) qui relate cette expédition et ses enjeux. Il appelle à plus de science pour la haute mer, et une meilleure gouvernance des eaux internationales. Ecrit par James NIKITINE, il est réalisé par James NIKITINE et Fabiano D'AMATO, avec une narration d'Alain GHAZAL et une musique de Woodkid. La haute mer constitue #LaDernièreFrontière à nos connaissances. Pour plus d'informations rendez-vous sur le site: https://www.iucn.org/science4highseas
Jérôme OLLIER

Via @WhySharksMatter - Oceans justice: Trade-offs between Sustainable Development Goals in the Seychelles - @sciencedirect - 0 views

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    * Trade-offs between SDGs can undermine the international framework for sustainable development. * The role of justice mechanisms in the promotion of social equity from ocean use is detailed. * The lens of procedural justice helps understand how trade-offs between SDGs are made and by whom. * The lens of distributive justice highlights how trade-offs decisions impact upon different social groups. * The Blue Economy and MSP impact negatively upon artisanal fishers in the Seychelles bringing trade-offs between SDGs. * Achieving SDGs and its social equity outcomes requires
Jérôme OLLIER

It's too early to talk about climate change refugees in Bangladesh - @ConversationUK - 0 views

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    It's too early to talk about climate change refugees in Bangladesh.
Jérôme OLLIER

Via @ecoblue21 - Énergie renouvelable : Maurice veut construire des parcs éoliens en mer - @defimediainfo - 0 views

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    Énergie renouvelable : Maurice veut construire des parcs éoliens en mer.
Jérôme OLLIER

«A la Réunion, il n'y a pas de risque requin, mais un problème humain» - Libération - 0 views

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    «A la Réunion, il n'y a pas de risque requin, mais un problème humain».
Jérôme OLLIER

The Decline and Recovery of a Crab Population From an Extreme Marine Heatwave and a Changing Climate - @FrontMarineSci - 0 views

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    Driven by a very strong La Niña event and a record strength Leeuwin Current, the 2011 Western Australian marine heatwave (MHW) raised sea surface temperatures (SSTs) along the Western Australian coastline by up to 5°C between November 2010 and March 2011. This single thermal perturbation led to several mortality events and recruitment impairment of commercially important species including Australia's single highest producing blue swimmer crab (Portunus armatus) fishery in Shark Bay. Monthly catch landings dramatically declined from 166 t in April 2011 to 24°C, and detrimental when they exceed 26°C as was the case during the 2011 MHW when SSTs reached 29°C inside Shark Bay. Partial recovery of the crab stock 18 months after the MHW was strongly associated with mean summer temperatures returning below 24°C. Together with a change in management to a quota system, the fishery returned to full recovery status in 2018 with sustainable catch levels of up to 550 t. Long term productivity of this fishery is now at high risk from climate change impacts with shifts in winter water temperatures being cooler by 2°C and occurring earlier by few months inside the Bay. This cooling trend appears to be impacting the spawning period with the timing of peak recruitment also occurring earlier, shifting from February to November. The impacts of the 2011 MHW highlighted the risk to stock sustainability through external drivers such as climate change that was previously poorly understood. The south-west region of Western Australia is considered a climate change hotspot with water temperatures rising at rates above global trends and at inc
Jérôme OLLIER

Factors Affecting the Recovery of Invertebrate Stocks From the 2011 Western Australian Extreme Marine Heatwave - @FrontMarineSci - 0 views

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    The extreme Western Australia 2011 marine heatwave had a lasting effect on the marine ecosystem and after 7 years, only parts of the ecosystem have showed good signs of recovery. After the heatwave, scallop fisheries in the Abrolhos Is. and Shark Bay were closed for 3-5 years, while the Shark Bay crab fishery was closed for 18 months; these fisheries at the center of the heatwave have shown some improvement due to better protection of spawning stock and improved environmental conditions. Also at the center of the heatwave, Roe's abalone suffered a catastrophic mortality and has not recovered as spawning stock remains very low. The Perth abalone stock which was outside the peak heatwave area had a major stock reduction but remained opened with reduced catches. The heatwave had a marked indirect effect on brown tiger prawns in Exmouth Gulf due to loss of seagrass habitat. The heatwave also resulted in a decline in western king prawn recruitment in Exmouth Gulf, to the north of heatwave center, but an improved recruitment in the cooler waters of Shark Bay. Western rock lobsters near the heatwave peak also appear to have been indirectly affected and have not recovered. Factors influencing the recovery rate from the heatwave appeared to be: species near their upper temperature range and/or sensitive to warming temperatures; spatial overlap between the warming event and species distribution; whether spawning stock was affected to the point of recruitment impairment; life-cycle duration of invertebrate (or habitat) species affected; and management intervention. This study provides a framework for managing the consequences of heatwaves on fisheries by highlighting the value of early identification of the event and its effect on fisheries and having flexible harvest strategies for early management intervention. This is particularly important as long-term increases in water temperatures will increase the frequency of marine heatwave events and the fisheries stocks would hav
Jérôme OLLIER

National Oceanography Centre puts marine robots at the heart of future ocean observations in developing nations - @NOCnews - 0 views

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    A community engagement programme in East Africa led by the National Oceanography Centre (NOC) has demonstrated how marine robots have the potential to transform ocean research for developing nations, offering a viable alternative to expensive research infrastructure, such as ships.
Jérôme OLLIER

Evaluating the Feasibility of Sustainable Seafood Labelling Programmes in Small Island Developing States: A Pilot Study of Artisanal Fisheries in Seychelles - @FrontMarineSci - 0 views

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    The Republic of Seychelles is one of six African Small Island Developing States (SIDS) and has a marine-based economy reliant on fisheries and international tourism. Seychelles has been flagged by the United Nations as highly vulnerable to climate change. Climatic threats are compounded with population declines of key fishery species. A progressive national stance towards ocean sustainability and an emerging economy partially driven by tourists are two of several factors that make Seychelles a good candidate for a sustainable seafood labelling and consumption programme, which would provide market-based incentives for fishery harvesters, regulators, buyers and consumers to improve sustainable practices. To address the feasibility of such a programme, we conducted a pilot study, surveying 33 artisanal fishers and mapping supply chain structure to examine incentives and challenges. Questions addressed fishers' years of experience, reliance on fishing for income, and flexibility in gear type and species targeted. Of the total number of respondents, 64% would like to see a programme implemented but only 34% thought it would be successful. Participants identified several barriers and benefits that primarily spanned socioeconomic and regulatory themes. Our pilot results indicate the sociocultural and economic impacts of sustainability programmes in Seychelles are as important as environmental considerations, a finding pertinent to anyone undertaking similar research efforts in other SIDS. We advocate for the necessity of thorough, location-based research and in-depth stakeholder consultation to elucidate economic, societal, behavioural and cultural factors that will affect the success of designing and implementing seafood labelling programmes in SIDS.
Jérôme OLLIER

Oxford University to support deep-sea expedition to the Maldives - @UniofOxford - 0 views

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    Oxford University researchers are playing a key role in the first systematic survey of ocean life in the Maldives, from the surface to 1000 metres deep. This will enable the Maldivian Government to develop conservation and sustainable development policies, so that the oceans continue to protect and provide for the Maldivian people.
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