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    Threats and the active protection of birds in a riverbed: postulates for the strategy of the preservation of the middle Vistula River avifauna by Dariusz Bukaciński, Monika Bukacińska, Arkadiusz Buczyński

    Published 2018-12-01
    “…In a situation that may lead to the extinction of first the mew gull, Larus canus, and later other species of birds, in 2005-2006, we began the active protection of endangered species on the middle Vistula River islands. This effort included (a) reducing the number of American minks and red foxes, (b) neutralising the presence of predators and livestock at the nesting sites with electric fences and the use of incubators and dummy eggs and (c) restoration of the nesting habitat, as well as, in the case of mew gulls, (d) increasing the genetic diversity within colonies. …”
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