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Shark hotspots under worldwide threat from overfishing

LakeArrowhead (#1) 28 days ago Science shark hotspots worldwide threat overfishing All https://www.sciencedaily.com   Discuss  | Add To 
Over 150 scientists from 26 countries combined movement data from nearly 2,000 sharks tracked with satellite tags. Using this tracking information, researchers identified areas of the ocean that were important for multiple species, shark 'hot spots', that were located in ocean frontal zones, boundaries in the sea between different water masses that are highly productive and food-rich.
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Ending overfishing would stop the population declines of endangered bycatch species about half the time

LakeArrowhead (#1) 525 days ago Science overfishing stop population declines endangered bycatch species time All https://www.sciencedaily.com   Discuss  | Add To 
A study finds that ending overfishing would stop the population declines of endangered bycatch species about half the time.
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Overfishing devastates spawning aggregations

LakeArrowhead (#1) 1261 days ago Science overfishing devastates spawning aggregations All https://www.sciencedaily.com   Discuss  | Add To 
Because they are easier to catch and potentially more threatened by nonlethal effects, fish that form spawning aggregations are at particular risk when those aggregations are heavily fished. To address the threat, precautionary management principles that limit or prohibit fishing on spawning aggregations must be implemented, a new report warns.
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Overfishing increases fluctuations in aquatic ecosystems

LakeArrowhead (#1) 1268 days ago Science overfishing increases fluctuations aquatic ecosystems All https://www.sciencedaily.com   Discuss  | Add To 
Overfishing reduces fish populations and promotes smaller sizes in fish. The fish also reach sexual maturity earlier than normal. However, the impact of overfishing is not restricted to fish: as the predators at the top of the food web dwindle, the stability of the entire aquatic ecosystem is at risk.

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