posts: 42019

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42019 Global fish stocks overexploited untitled-reusable-block-272 wp_block publish <!-- wp:heading {"level":4} --> <h4>One-third of global fish stocks are overexploited</h4> <!-- /wp:heading --> <!-- wp:columns --> <div class="wp-block-columns"><!-- wp:column --> <div class="wp-block-column"><!-- wp:paragraph --> <p>A key concern for the sustainability of global patterns of seafood consumption has been the overexploitation of wild fish stocks. If the amount of wild fish we catch exceeds the rate at which fish can reproduce and replenish, populations will decline over time. Such populations we would call 'overexploited'.</p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>This is based on a metric called the 'maximum sustainable yield' (MSY) – the upper limit to the amount of fish we can harvest without depleting the existing resource. If fishing rates are lower than the MSY, a stock is defined as <em>biologically sustainable.</em> If harvest is higher than the MSY, it is <em>overexploited</em>.</p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>In the visualization here we see the share of global fish stocks which are<em> </em>overexploited and the share that are biologically sustainable. Sustainable stocks have fallen from 90% in the 1970s to 66% in 2017.{ref}FAO. 2020. <a href="http://www.fao.org/publications/sofia/2020/en/">The State of World Fisheries and Aquaculture 2020. Sustainability in action</a>. Rome. https://doi.org/10.4060/ca9229en.{/ref} One-third of global fish stocks are now overexploited.</p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>We can also see, however, that most of the decline in sustainable fish populations occurred through the 1970s and 1980s. Over the past few decades there has been a marked slowdown – or plateauing – of overexploitation. This is in part owed to the fact that increased demand has instead <a href="https://ourworldindata.org/seafood-production#the-world-now-produces-more-seafood-from-fish-farms-than-wild-catch">been met by aquaculture</a> (fish farming) rather than wild catch.</p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>It's estimated that 79% of current fish landings come from biologically sustainable stocks.{ref}FAO. 2020. <a href="http://www.fao.org/publications/sofia/2020/en/">The State of World Fisheries and Aquaculture 2020. Sustainability in action</a>. Rome. https://doi.org/10.4060/ca9229en.{/ref}</p> <!-- /wp:paragraph --></div> <!-- /wp:column --> <!-- wp:column --> <div class="wp-block-column"><!-- wp:html --> <iframe src="https://ourworldindata.org/grapher/fish-stocks-within-sustainable-levels" loading="lazy" style="width: 100%; height: 600px; border: 0px none;"></iframe> <!-- /wp:html --></div> <!-- /wp:column --></div> <!-- /wp:columns --> 
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 2021-03-25 16:15:40 2024-02-16 14:23:01   
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   2021-03-25 16:30:57 2021-03-25 16:30:57   
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 ## One-third of global fish stocks are overexploited A key concern for the sustainability of global patterns of seafood consumption has been the overexploitation of wild fish stocks. If the amount of wild fish we catch exceeds the rate at which fish can reproduce and replenish, populations will decline over time. Such populations we would call 'overexploited'. This is based on a metric called the 'maximum sustainable yield' (MSY) – the upper limit to the amount of fish we can harvest without depleting the existing resource. If fishing rates are lower than the MSY, a stock is defined as _biologically sustainable._ If harvest is higher than the MSY, it is _overexploited_. In the visualization here we see the share of global fish stocks which are_ _overexploited and the share that are biologically sustainable. Sustainable stocks have fallen from 90% in the 1970s to 66% in 2017.{ref}FAO. 2020. [The State of World Fisheries and Aquaculture 2020. Sustainability in action](http://www.fao.org/publications/sofia/2020/en/). Rome. https://doi.org/10.4060/ca9229en.{/ref} One-third of global fish stocks are now overexploited. We can also see, however, that most of the decline in sustainable fish populations occurred through the 1970s and 1980s. Over the past few decades there has been a marked slowdown – or plateauing – of overexploitation. This is in part owed to the fact that increased demand has instead [been met by aquaculture](https://ourworldindata.org/seafood-production#the-world-now-produces-more-seafood-from-fish-farms-than-wild-catch) (fish farming) rather than wild catch. It's estimated that 79% of current fish landings come from biologically sustainable stocks.{ref}FAO. 2020. [The State of World Fisheries and Aquaculture 2020. Sustainability in action](http://www.fao.org/publications/sofia/2020/en/). Rome. https://doi.org/10.4060/ca9229en.{/ref} <Chart url="https://ourworldindata.org/grapher/fish-stocks-within-sustainable-levels"/> 
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