2020-07-22, 12:42 PMPopular seafood species see sharp decline across the world: Study - Republic World

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Home / World News / Rest of the World News / Popular seafood species see sharp decline across the world: Study

Last Updated: 22nd July, 2020 16:24 IST

Popular Seafood Species See SharpDecline Across The World: StudyPopular seafood including orange roughy, common octopus and pinkconch are among those species of fish and invertebrates that are in rapiddecline in the world.

Written By Aanchal Nigam

Popular seafood including orange roughy, common octopus and pinkconch are among those species of fish and invertebrates that are in rapiddecline across the globe. The latest one-of-a-kind research done by an

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2020-07-22, 12:42 PMPopular seafood species see sharp decline across the world: Study - Republic World

Page 2 of 7https://www.republicworld.com/world-news/rest-of-the-world-news/popular-seafood-species-in-sharp-decline-across-the-world-study.html

international research initiative and a member of the Global FisheriesCluster at the University of British Columbia showed a decrease inbiomass, which is the weight of a given population in the water, afterassessing more than 1,300 populations of sea animals along with theresearchers at the GEOMAR Helmholtz Centre for Ocean Research Kiel andthe University of Western Australia. The researchers have recorded “globaldeclines, some sever” of many species that are most favourite kinds ofseafood.

Sea Around Us@SeaAroundUs

NEW PAPER by @SeaAroundUs @meeuwiglab @GEOMAR_en: Popular seafood species in sharp decline around the world bit.ly/fishbiomasssau Deng Palomares

7:30 AM · Jul 21, 2020

See Sea Around Us’s other Tweets

The lead author of the study and manager of the international researchinitiative Sea Around US, Maria ‘Deng’ Palomares said that the study is“first-ever” on a global scale that studies the elongated trends in thepopulation biomass of the marine fish and invertebrates that are exploitedfor human consumption. When the researchers looked at such species andtheir population over the span of the last 60 years, they found ‘lowbiomass level’.

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2020-07-22, 12:42 PMPopular seafood species see sharp decline across the world: Study - Republic World

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‘Very bad’ category

As per the study published on Sea Around Us’ o!cial website, of all thepopulations that were analysed by researchers, at least 82 per cent of themare below the level that can, in turn, produce maximum sustainable yieldsbecause the rate at which they have been taken out from the sea is morethan what is regrown. The study even said that this finding also implies,“that fishers are catching less and less fish and invertebrates over time,even if they fish longer and harder.” Palomares said that some of these

Maria ‘Deng’ Palomares said, “This is the Arst-ever global study of long-term trends in thepopulation biomass of exploited marine Ashand invertebrates for all coastal areas on theplanet.”

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"“When we looked at how the populations ofmajor species have been doing in the past 60years, we discovered that, at present, most oftheir biomasses are well below the level thatcan produce optimal catches,” she added.

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2020-07-22, 12:42 PMPopular seafood species see sharp decline across the world: Study - Republic World

Page 4 of 7https://www.republicworld.com/world-news/rest-of-the-world-news/popular-seafood-species-in-sharp-decline-across-the-world-study.html

populations are currently in ‘very bad’ category.

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First Published: 22nd July, 2020 16:24 IST

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“In fact, more than 8 per cent of thesepopulations or about 87 populations arecurrently in the ‘very bad’ category, withbiomass levels less than 20 per cent of the levelthat might maximize sustainable Asheriescatches,” Palomares said.

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