fish migration barrier Articles

  • Linking North Slope of Alaska climate, hydrology, and fish migration

    Arctic grayling (Thymallus arcticus) have a life-history strategy specifically adapted to the extreme climate of the North. These fish migrate to spawning grounds just after breakup in the spring, then migrate to feeding sites in early summer, and finally in the fall migrate back to their overwintering sites. The Kuparuk River is a perennial stream originating in the northern foothills of ...


    By IWA Publishing

  • Design of a channel and floodplain corridor to restore aquatic habitat, geomorphic function and water quality in an urbanized and regulated watershed

    The City of Cupertino, California has proposed the establishment of the Stevens Creek Corridor Park. At the park site, Stevens Creek has an incised alluvial channel. Bed morphology is typified by riffles and pools with some external forcing by in-stream large woody material. The channel has been subjected to hydromodification and general anthropogenic disturbance due to upstream reservoir ...

  • Rising seas and powerful storms threaten global security

    Standing before the United Nations General Assembly in October 1987, Maumoon Abdul Gayoom, President of the Maldives, made an appeal representing “an endangered nation.” That year for the first time, “unusual high waves” in the Indian Ocean inundated a quarter of the urban area on the capital island of Male’, flooded farms, and washed away reclaimed land. Gayoom cited scientific evidence that ...


    By Earth Policy Institute

  • Environmental Situation in Africa

    Abstract Africa The economic and social needs of Africa depends more on its environmental resources but these natural resources are seriously declining and that is really effecting the entire region. Sustainable development in this rapidly changing region has become an imperative, and must take place in the complex context of a diverse and changing ecosystem, political transition and evolution ...

  • Five myths about extreme weather

    This story originally appeared in the Washington Post. It’s too darn hot. From Maine to Hawaii, the mercury has been rising relentlessly. The oven-like conditions in the United States are just the latest in a series of extreme weather events over ...

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