{"id":40077159,"date":"2020-04-27T00:00:00","date_gmt":"2020-04-26T18:30:00","guid":{"rendered":"http:\/\/china-dialogue-ocean-staging.darkbluehq.com\/uncategorized\/13568-we-can-restore-marine-health-by-2050-finds-study\/"},"modified":"2022-02-10T23:01:41","modified_gmt":"2022-02-10T17:31:41","slug":"13568-we-can-restore-marine-health-by-2050-finds-study","status":"publish","type":"post","link":"https:\/\/dialogue.earth\/en\/ocean\/13568-we-can-restore-marine-health-by-2050-finds-study\/","title":{"rendered":"We can restore marine health by 2050, finds study"},"content":{"rendered":"

The future for the world\u2019s oceans often looks grim. Fisheries are set to collapse by 2048, according to\u00a0one study<\/a>, and\u00a08 million tons of plastic<\/a>\u00a0pollute the ocean every year, causing considerable damage to delicate marine ecosystems. Yet a new study<\/a>\u00a0in\u00a0Nature\u00a0offers an alternative, and more optimistic view on the ocean\u2019s future: it asserts that the entire marine environment could be substantially rebuilt by 2050, if humanity is able to step up to the challenge.<\/p>\n

The key to success, the authors say, is lessening the impact and stresses on the ocean, while restoring damaged ecosystems, and trying to reduce carbon emissions that drive climate change.<\/p>\n

The study examines nine parts of the ocean in detail \u2013 salt marshes, mangroves, seagrasses, coral reefs, kelp, oyster reefs, fisheries, megafauna and the deep ocean \u2013 and suggests critical and realistic steps that can be taken to restore and protect these areas.<\/p>\n

The authors refer to several models of success for reversing the decline of marine life. For instance, the global wildlife trade treaty CITES and a\u00a01982 moratorium on commercial whaling<\/a>\u00a0have reduced hunting of endangered species and helped protect the critical habitats these species depend upon. Depleted\u00a0fish populations have also rebounded<\/a>\u00a0in response to proper management techniques.<\/p>\n

While the study fosters an optimistic view of future ocean health, it concedes that some parts of the ocean will be more difficult to restore. For instance, coral reef systems have the added pressure of\u00a0bleaching events<\/a>\u00a0due to climate change, and the process of restoring damaged reefs is slow and expensive. However, the study notes that there are efforts to discover coral that\u2019s resistant to temperature change and bleaching events.
\n

<\/p>\n
\"cuttlefish
A cuttlefish moves between the mangroves, West Papua, Indonesia (Image: Alamy)<\/figcaption><\/figure>\n

<\/div><\/p>\n

Restoring the oceans would be no small feat, and would require stable governmental policies, a large financial investment, and the continued evolution of scientific advances and technologies, the authors say. Action would also need to take place within a very short space of time.<\/p>\n

But the biggest obstacle to restoring the oceans is mitigating the effects of climate change, according to Callum Roberts, a co-author of the study and professor at the University of York in the UK.<\/p>\n

\u201cClimate change is the big problem that is looming over everything because it makes recovering nature harder, and as the climate changes, it\u2019s going to become more difficult,\u201d Roberts said. \u201cThat\u2019s why we have to act very quickly now to start restoring nature, because that\u2019s going to help human societies to adapt over time, as well as to allow nature a better chance to survive and thrive through a changing climate.\u201d<\/p>\n

Despite the challenges, Roberts says he believes the oceans are incredibly resilient. This is evident in marine protected areas (MPAs), where fishing and other human activities are prohibited, Roberts says.<\/p>\n

\u201cI\u2019ve seen in localised areas how recovery can take place, and how it can take place quite quickly and spectacularly,\u201d he said. \u201cWhen you protect areas, you can predict very easily the way that the response will go. You start off with things becoming more abundant, living longer, producing more offspring. Then you see the reconstruction of habitat structures on the seabed or kelp forests, then the return of some of the rarer things.\u201d<\/p>\n

This year was supposed to be the \u201cOcean Super Year,\u201d with several ocean-related meetings and negotiations meant to take place, including the\u00a04th<\/sup>\u00a0High Seas Treaty negotiation<\/a>, the\u00a0UN Ocean Conference<\/a>,\u00a0Monaco Blue Initiative<\/a>, and several meetings of the\u00a0International Maritime Organization<\/a>, including a session with the Marine Environment Protection Committee. However, most have been cancelled or postponed due to Covid-19.<\/p>\n

The pandemic itself has also prompted some reprieve for the oceans from human pressure, although Roberts said it\u2019s too early to identify the long-term effects.<\/p>\n

\u201cA lot of fishing boats are tied up right now, and that\u2019s definitely going to give a short-term benefit to marine life,\u201d he said. \u201cLonger term, I don\u2019t know. But I think there will be a lot of thinking done after this crisis about how we need to do things better.\u201d<\/p>\n


\nThis article was originally published by <\/em>Mongabay<\/em><\/a> under a creative commons licence.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Vulnerable marine species and habitats need to be protected, damaged ecosystems rebuilt and climate change mitigated<\/p>\n","protected":false},"author":0,"featured_media":40067569,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[50039901],"tags":[513,537,545,40027778],"hashtags":[],"country":[50040717,50040729],"class_list":["post-40077159","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ocean","tag-carbon-emissions","tag-ecosystems","tag-fisheries","tag-marine-protection","country-indonesia","country-united-kingdom"],"acf":[],"yoast_head":"\nWe can restore marine health by 2050, finds study | Dialogue Earth<\/title>\n<meta name=\"description\" content=\"Vulnerable marine species and habitats need to be protected, damaged ecosystems rebuilt and climate change mitigated\" \/>\n<meta name=\"robots\" content=\"index, follow, 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