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  • Categories  

    The dataset contains records of amphibians (Amphibia) collected in the lower valley of the River Tua and included in the Ecological Monitoring Program (2011-2017) of the Environmental Impact Assessment of the Foz Tua Hydroelectric Dam, promoted by EDP – Energias de Portugal, S.A. Data were collected in the autumn of 2010-2012 (October to November) and in the spring of 2011-2017 (April to June) during field visits to 42 sampling points with favourable habitats within a 5-km radius buffer around the Tua valley directly or indirectly affected by the Foz-Tua dam. The presence of individuals was assessed with dip-netting.

  • Categories  

    The dataset contains records of amphibians (Amphibia) collected in the lower valley of the River Tua and included in the Complementary Studies (2009-2010) of the Environmental Impact Assessment of the Foz Tua Hydroelectric Dam, promoted by EDP – Energias de Portugal, S.A. Data were collected between October 2009 and March 2010 during field visits to 440 sampling points with favourable habitats in 20 2x2 km UTM squares on the area of the lower Tua valley directly or indirectly affected by the Foz-Tua dam. The presence of individuals was recorded by direct observation.