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  • How trucking eels is reviving a river

    Biologists are trapping baby eels in the Susquehanna River and are physically relocating them via trucks upstream past hydroelectric dams. These dams have interrupted the natural migration route the eels have traditionally taken, which has had unintended consequences for other ecosystems on the East Coast. While this technique, known as assisted migration, may be one way to save some species from climate change, some question whether the cost and conservation consequences are worth it. So far, biologists have have moved over 1 million eels since 2008.

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  • The David And Goliath Story Playing Out In Alaska's Fisheries

    A small, southeast-Alaskan fishing community banded together to protect the source of its livelihood from industrial fishing. Legislation officially protected 70,000 square miles of pristine waters in 1998. The ban on industrial fishing has resulted in much smaller, sustainable fisheries that have kept the ocean habitat flourishing and business booming for local fisheries. A cooperative model prevents overfishing and maintains a healthy ocean habitat.

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  • Hawaii Marines Now Guarding The Nests Of Endangered Species Audio icon

    Members of the Marine Corps in Hawaii often pull double duty: military training and endangered species protection. For example, in June, the Marines roped off 13 green sea turtle nests on a local beach. Part of their job is to evaluate the potential environmental impacts of where they perform their training exercises. Sometimes there are military members or residents who might not understand why they have to preserve and manage the land, but education outreach has led to a ramp up in conservation efforts for turtles, birds, and other creatures.

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  • Fishing for change: Local management of Amazon's largest fish also empowers women

    After high demands for arapaima fish led to near extinction, a co-management system in the Amazon rainforest has resulted in the recovery of the fish as well as the economic empowerment of local women. The work includes counting, catching, protecting, harvesting, and bringing fish to market. When more workers were needed, women stepped in and gained respect in the community as being essential members of the fishery. The women collecting an income from the program previously fished for subsistence and now receive payment for their work.

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  • Bringing the endangered Vancouver Island marmot back from the brink

    The Vancouver Island marmot is making a comeback, thanks to recovery efforts from the Marmot Recovery Foundation. By 2003, there were only 27 marmots left in Canada’s wilderness, but their population has rebounded to just over 200 animals. These marmots are bred in captivity, where they can be monitored and acclimated to predators before being released into the wild. However, saving the species from extinction takes a lot of effort and money.

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  • Dengue breakthrough after mosquitoes laced with natural bacteria

    Injecting mosquito eggs with Wolbachia, a naturally occurring bacteria, is showing promise for reducing the cases of dengue in parts of Indonesia. Although dengue cases have been increasing, in areas of Indonesia where mosquitoes infected with Wolbachia were released, "their capacity to transmit the virus that causes dengue was vastly reduced," as compared to areas with untreated mosquito populations.

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  • The mosquito strategy that could eliminate dengue

    In Indonesia, Wolbachia-carrying mosquitoes are transmitting dengue at a much slower rate than those not infected with the bacterium according to a controlled research study that expands on existing experimentation conducted elsewhere in the world. Although the trial was cut short due to the prevalence of COVID-19, the results were substantial enough that researchers are encouraging efforts to scale the technology worldwide.

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  • Hold the Salt: The Promise of Little Fresh Fishes

    In Myanmar, aquaculture production from medium-sized freshwater farms is growing and could be an important and sustainable supplier of food for the world’s growing population. Aquaculture businesses are thriving in Southeast Asia despite the decline of wild fisheries — the acreage of cultivated fishponds in some regions has expanded by more than 250 percent. While some environmentalists argue that it damages ecosystems, research suggests that freshwater aquaculture have a much lower environmental impact than marine fish farming.

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  • How to Save the Sea: Lessons from an Italian Fishing Community

    Fishers, researchers, and managers came together to create Torre Guaceto, a marine reserve off the coast of Italy. The area was previously exploited, but because of this cooperative management project, biodiversity has recovered. Fishers enter the reserve once a week for their catch and usually make up $10,000 a day, which is more than other Mediterranean fishers. While some illegal fishing still happens at night, the dialogue between key stakeholders was crucial to developing the reserve’s sustainable fishing model.

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  • Study Finds Painting Eyes On Cows' Butts Can Save Their Lives

    As a way to prevent livestock from being attacked by predators and to decrease conflict between farmers and big cats, a pair of conservation biologists painted eyes on the backsides of cattle to fool carnivores during their hunt. A study in Botswana showed that cows painted with artificial eyes on their behinds tricked predators into thinking they’ve been seen by their prey. While it’s not a perfect protection method for cattle, over the four years of the study, none of the cows with the colorful posteriors were killed compared with control groups.

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