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Overfishing in Medical News

Dr. Susan Lark's Squalane Now Made From Olives, Not Sharks

...nt natural, eco-friendly squalane sourced from olives, which has the same hydrating properties as shark-derived squalane, but without the worry of the overfishing associated with shark squalane. In addition, the new formula will contain natural jojoba esters, a botanically-derived emollient that helps to reduce ...

New study shows extent of harmful human influences on global ecosystems

... More than 40 percent of the worlds oceans are heavily impacted by human activities, including overfishing and pollution, according to a new study that will appear in tomorrows peer-reviewed journal Science. Dr. Kenneth Casey, with NOAAs National Oceano...

Rich nations' environmental footprints tread heavily on poor countries

...racts and blindness All of these will affect vulnerable low-income countries disproportionately. In addition to climate change and ozone depletion, overfishing and conversion of mangrove swamps to shrimp farming are areas in which rich nations burden poor countries. "Seafood derived from depleted fish sto...

Penguin: an Alternative Bio-indicator to Monitor Climate Change

...of the Antarctic. We may be able to assess the pressure exerted by king penguins on this ecosystem, and look at the effects of both climate change and overfishing in this region of the world”, says Dr Lewis Halsey. A new way of using animals as bio-indicators is to ascertain their energy requirements. Dr H...
Overfishing in Biological News

Global curbs on overfishing are beginning to work

Scientists have joined forces in a groundbreaking assessment of the status of marine fisheries and ecosystems. Australian Beth Fulton, a fishery ecosystem scientist from the CSIRO Wealth from Oceans Flagship, was among an international team of 19 co-authors of a report on a two-year study, led...

New hope for fisheries

...m of 19 co-authors, shows that steps taken to curb overfishing are beginning to succeed in five of the ten large ...it gives me hope that we have the ability to bring overfishing under control." The authors caution that their ...rent as Iceland and Kenya have been able to reduce overfishing and rebuild fish populations despite serious chall...

Scripps-led study shows ocean health plays vital role in coral reef recovery

... from four reef sites off the coast of Honduras and Belize. The cores were collected from reefs with different degrees of local stress from pollution, overfishing and sediment and nutrient run off from land. By using x-rays, the researchers were able to examine the coral's annual growth rate records since 1950, ...

Overfishing and evolution

...rchers about local ecological changes. However, accurate monitoring of fish populations in other parts of the ocean is also necessary. This is because overfishing has long-term, 'evolutionary' effects on fish population and breeding rates. This was addressed by John Pandolfi in a recent article in Faculty of ...

Corals stay close to home

...tions, complete with snorkeling among tropical fish in crystal clear waters. Rapid climate change, and increased pollution, ocean acidification and overfishing threaten to darken this picture considerably. These factors heavily stress corals, and thus put both the countless marine organisms that count on cora...

Policy transparency key to saving world's fisheries

...conomic development but for ocean ecosystems," says Boris Worm, a professor at Dalhousie University and co-author of the paper. "We now recognize that overfishing can also lead to the erosion of biodiversity and ecosystem productivity." "The different socioeconomic and ecological consequences associated with ...

Gear bans 'can help save reefs'

...r storm damage. "This is creating a double jeopardy for both the corals and certain types of reef fish. They are already on the edge because of the overfishing and the additional impact caused by a bleaching even can push them over" Dr Cinner explains. The result can be an accelerated decline of the reef, its...

Help for climate-stressed corals

...ng or storm damage. "This is creating a double jeopardy for both the corals and certain types of reef fish. They are already on the edge because of overfishing and the additional impact caused by a bleaching can push them over" Dr Cinner explains. The result can be an accelerated decline of the reef, its fish...

Hatchery fish may hurt efforts to sustain wild salmon runs

...rovide one more hurdle to overcome in the goal of sustaining wild runs, along with problems caused by dams, loss or degradation of habitat, pollution, overfishing and other causes. Aside from weakening the wild gene pool, the release of captive-bred fish also raises the risk of introducing diseases and increa...

'Jellyfish joyride' a threat to the oceans

...s in Ecology and Evolution , in time for World Oceans Day on 8 June. "Fish normally keep jellyfish in check through competition and predation but overfishing can destroy that balance," Dr Richardson says. "For example, off Namibia intense fishing has decimated sardine stocks and jellyfish have replaced them...
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