PARTICIPANTSRESOURCESFishing fleetsFishHumansAquacultureFishImpact +4 of 5. Click for details.Impact +3 of 5. Click for details.Impact +3 of 5. Click for details.66%Impact +3 of 5. Click for details.34%Impact -4 of 5. Click for details.Impact -3 of 5. Click for details.Impact -4 of 5. Click for details.Impact -3 of 5. Click for details.↻ balances · moderate · 0.4Impact +3 of 5. Click for details.Impact +3 of 5. Click for details.Impact -3 of 5. Click for details.Impact +4 of 5. Click for details.65%Impact -4 of 5. Click for details.35%Impact -4 of 5. Click for details.Impact +3 of 5. Click for details.Fleets harvest fish supported by marine primary production; reported marine catch peaked at 86 million tonnes in 1996: uses up Fishuses upHow much of the true catch is reported? (reconstruction 1950-2010): uses FishReported to FAO (about 66%, computed from 86 of 130 million tonnes): uses FishUnreported: discards, small-scale, subsistence and illegal catch (about 34%, computed): uses FishFishing down the food web: the mean trophic level of landings fell from 1950 to 1994 as catches shifted from piscivorous bottom fish to invertebrates and small : uses FishCatches first rise then stagnate or fall as lower trophic levels are depleted; reconstructed catch has declined since 1996: uses FishAquaculture, led by inland farming in Asia, has grown to supply much of the world's fish since 1997, with falling fish-in-fish-out ratios but continued reliance: makes FishmakesFAO stock status 2019: what share of assessed stocks is fished sustainably?: uses FishSustainably fished (64.6% of stocks, supplying 82.5% of landings): uses FishOverfished (35.4% of stocks, a worsening trend): uses Fishuses upFish: uses upusesFish: usesusesFish: usesusesFish: usesusesFish: usesusesFish: usesmakesFish: makesusesFish: usesusesFish: usesusesFish: usesStart: Fisheries andmarine harvest: catchplateau, fishing do…STARTStart: Fisheries and marine harvest: catch plateau, fishing down food webs and aquacultureEnd: Fisheries andmarine harvest: catchplateau, fishing do…ENDEnd: Fisheries and marine harvest: catch plateau, fishing down food webs and aquacultureFleets harvest fishsupported by marineprimary productio…📄1Fleets harvest fish supported by marine primary production; reported marine catch peaked at 86 million tonnes in 1996How much of the truecatch is reported?(reconstructi…📄1How much of the true catch is reported? (reconstruction 1950-2010)Reported to FAO (about66%, computed from 86of 130 million tonnes)📄1Reported to FAO (about 66%, computed from 86 of 130 million tonnes)Unreported: discards,small-scale,subsistence and illeg…📄1Unreported: discards, small-scale, subsistence and illegal catch (about 34%, computed)Fishing down the foodweb: the mean trophiclevel of landings fe…📄1Fishing down the food web: the mean trophic level of landings fell from 1950 to 1994 as catches shifted from piscivorous bottom fish to invertebrates and small Catches first rise thenstagnate or fall aslower trophic leve…📄2Catches first rise then stagnate or fall as lower trophic levels are depleted; reconstructed catch has declined since 1996Aquaculture, led byinland farming in Asia,has grown to supp…📄1Aquaculture, led by inland farming in Asia, has grown to supply much of the world's fish since 1997, with falling fish-in-fish-out ratios but continued relianceFAO stock status 2019:what share of assessedstocks is fish…📄1FAO stock status 2019: what share of assessed stocks is fished sustainably?Sustainably fished(64.6% of stocks,supplying 82.5% …📄1Sustainably fished (64.6% of stocks, supplying 82.5% of landings)Overfished (35.4% ofstocks, a worseningtrend)📄1Overfished (35.4% of stocks, a worsening trend)
PositiveNegativeLoops backOpen questionThickness = size of impact · % = share of a fork · drag to pan · ctrl+scroll to zoom · ↘ walks into a subprocess