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  • pH7

    After the legacy of acid mine drainage from abandoned coal mines in Appalachian Ohio, there are several initiatives working to clean up the rivers and streams. Change-agents from universities, local organizations, and the government joined together in the 1990s to use both active and passive methods of neutralizing the pH level of the streams. Since then, they've brought the pH acidity down from 4.5 to 7 and grown the number of fish species from 4 to 37, and efforts are still ongoing and optimistic.

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  • How scientists are giving Fraser River salmon a fresh chance

    A group of scientists have discovered a way to help chinook salmon survive at the mouth of the Fraser River, in the Sturgeon Bank. They’ve devised a trap of special netting that catch and funnell these salmon, many of whom have not yet grown to full size, into the Bank, rather than being sent out to the Strait of Georgia. The project, funded by Canada’s coastal restoration fund, will likely have other impacts as well, like providing more salmon for the endangered killer whale to feed on, and trapping sediment that could protect Richmond from sea-level rise.

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  • Mini reefs restore SWFL canals

    Oceans Habitats, Inc. has built and installed over 1,600 mini-reefs in Florida to bring aquatic life back to the canals and to improve the water quality. Water filters through these artificial reefs made out of propylene pipe and boosts the variety of fish and marine life species. These reefs can help grow over 300 fish a year. The organization is looking to make the reefs out of recycled material to be more environmentally friendly.

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  • Trout lovers trek down to Río Grande for native cutthroat

    On New Mexico's public lands, volunteer effort can go a long way for wildlife restoration. Each year, nearly 200 volunteers hike around 10,000 cutthroat trout to the edge of the Río Grande del Norte National Monument Wild Rivers Recreation Area. For a fish occupying less than 10 percent of its historic range, sparking interest in conservation is an added benefit in helping the species.

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  • Freshwater springs support amazing ecosystems and reflect the health of aquifers humans rely on. What can we do to protect them?

    Freshwater springs are an indicator of the health and quality of our groundwater (drinking water), but their conservation is often overlooked in government funding. This article offers a few examples of ongoing efforts to protect them. One of those is the Bitter Lake National Wildlife Refuge in New Mexico that has brought back several endangered species of snails and crustaceans in addition to native grasses as a result of their conservation.

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  • This fish-zapping robot is hunting invasive lionfish in coral reefs

    The Guardian is a robot that uses electric shocks to catch the lionfish, an invasive species that has been detrimental across the Atlantic. The project has transformed into a non-profit called Robots in Service of the Environment, which supports the mission of reducing lionfish to protect reefs and other natural habitats and species.

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  • Resurrecting the Greenback, Take Two

    Fish conservation, in the rural streams of the Western United States, requires a remarkable amount of ongoing human intervention. Take the greenback cutthroat trout, Colorado's state fish. The greenback is bred in labs as part of a delicate effort to restore it to its native habitat. But in the wake of a 30 year conservation misstep, due to mistaken identity, scientists are undecided on the best path forward.

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  • A Faster Way to Find Illicit Fins

    New DNA testing technology is showing promise as a faster, cheaper way to determine if a shark fin came from a protected species, an important task to curbing the illicit shark fin trade across the world. While experts warn that the technology won't act as a deterrent to the practice, it will help authorities better track and determine if shipments are suspect.

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  • A ‘FitBit for squid' could help track the ocean's squishier species

    Squids play an important role in the ecosystem, so scientists are focusing efforts on better understanding how the species adapts to climate change. By creating a "FitBit for squid," scientists have successfully been able to monitor soft-bodied invertebrates.

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  • As Disease Ravages Coral Reefs, Scientists Scramble for Solutions

    As corals die-off globally, research groups around the world are working on a suite of remedies. From Australia to Florida, scientists are breeding resilient corals strains, transplanting healthy corals to new areas, and even applying antibiotics. But the solutions aren't yet scalable. Unless stresses like global warming and pollution are also addressed, such research is likely not enough.

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