{"id":16637,"date":"2018-09-18T11:14:29","date_gmt":"2018-09-18T07:14:29","guid":{"rendered":"http:\/\/www.mauritiustimes.com\/mt\/?p=16637"},"modified":"2018-09-18T11:16:57","modified_gmt":"2018-09-18T07:16:57","slug":"climate-change-conflicts-are-here-and-scallop-wars-are-just-the-beginning","status":"publish","type":"post","link":"https:\/\/www.mauritiustimes.com\/mt\/climate-change-conflicts-are-here-and-scallop-wars-are-just-the-beginning\/","title":{"rendered":"Climate change conflicts are here \u2013 and \u2018scallop wars\u2019 are just the beginning"},"content":{"rendered":"

\"\" \"\"Confrontation between French and British scallop fishers goes is a warning about the resource conflicts of the future<\/span><\/span><\/h4>\n

<\/p>\n

\n

As the planet warms, species are moving further north to climate zones which are closer in temperature to what they originally evolved in. The oceans have absorbed most of this temperature increase, and so many marine species, including commercially fished scallops, are under particular stress to migrate northwards to cooler waters.<\/span><\/p>\n

In the face of this disruption, legal boundaries for fishing fleets could become increasingly irrelevant. As the fish stocks they once contained move out, conflict is likely to arise between countries exploiting neighbouring fishing grounds.<\/span><\/p>\n

As a result, the ongoing \u201cscallop war\u201d, which has seen tense physical confrontations between French and British scallop fishers over access to these prized molluscs, may be a taste of worse to come.<\/span><\/p>\n

Shellfish behaviour<\/span><\/strong><\/h4>\n

The habitat ranges and migration patterns of commercial species in the ocean have been carefully studied throughout history, so that fishing fleets can exploit them more efficiently. This understanding has informed the division of fishing grounds according to who has the right to harvest them.<\/span><\/p>\n

French scallop fishers were incensed over their British counterparts\u2019 alleged pillaging of scallop stocks, as smaller British boats aren\u2019t bound by a French law that prohibits dredging in the Baie de Seine from October 1 through May 15, to allow scallop populations to recover.<\/span><\/p>\n

While on the surface it might seem that these skirmishes are anchored to specific circumstances \u2013 potentially inflamed by existing tensions around Brexit \u2013 they highlight the enormous difficulties in clearly mapping and enforcing legal boundaries around natural habitats that are changing rapidly.<\/span><\/p>\n

These disputes over resources such as food will become more frequent and intense as climate change alters the habitats and material conditions of life on Earth.<\/span><\/p>\n

Fisheries in flux<\/span><\/h4>\n

\"\"Managing marine resources like fish has always been tricky. Each species responds differently to changes and pressures in its environment, making it difficult for anyone to predict exactly where they will be, when or how far they will migrate, and how many remain. Climate change has introduced new uncertainty.<\/span><\/p>\n

The effects of rising temperatures, though variable across species, have already begun to alter the sizes, distribution, and food web interactions of marine organisms. Warming seas have led to an overall northward movement for many species, some at a pace of 2.2 kilometres per year. This includes commercial species such as the Atlantic cod, a trend that is observable among land-based animals as well.<\/span><\/p>\n

More carbon dioxide in the atmosphere means more of it dissolves in the ocean, making seawater more acidic. This process, known as ocean acidification, is making it difficult for species such as scallops to grow their tough calcium-carbonate shells, threatening their growth and survival.<\/span><\/p>\n

On top of all of this, we\u2019re taking from the ocean more than it can replenish. Currently over 90% of large commercial fish species such as tuna and cod have already been caught, and over 70% of the world\u2019s fisheries range from \u201csignificantly depleted\u201d to \u201cfully exploited\u201d. Species unable to adapt to this pressure are likely to decline or even disappear.<\/span><\/p>\n

Building bridges over troubled water<\/span><\/strong><\/h4>\n

If the scallop wars end soon, climate change will continue to disrupt marine ecosystems and render political boundaries increasingly outdated. We will need to have a radical rethink of who should have rights to what, who is to have the authority in managing important areas and resources, and what constitutes a truly sustainable harvest.<\/span><\/p>\n

Greater communication and collaboration between fishers, policymakers, researchers and the wider public will become essential for navigating the troubled waters ahead.<\/span><\/p>\n

Perhaps it is also time to take the interests of other species into consideration in this process, by viewing the natural world and non-human life as more than mere resources or a backdrop to the unfolding human drama.<\/span><\/p>\n

Heather Alberro<\/span><\/strong>
\n<\/span>PhD Candidate\/Associate Lecturer, <\/span>
\nNottingham Trent University<\/span><\/p>\n

 <\/p>\n

\n

* Published in print edition on 13 September 2018<\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

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