Αποτελέσματα Αναζήτησης
9 Οκτ 2023 · European rivers have over a million barriers hindering aquatic species migration and altering freshwater habitats. This study quantifies the spatial extent of upstream fish habitat alteration...
22 Ιαν 2022 · We estimate over 200,000 km or 10% of previously free-flowing river habitat length has been lost due to impoundments, an amount equivalent to the entire length of rivers in Italy.
European rivers are disconnected by more than one million man-made barriers that physically limit or completely block aquatic species migration and contribute to the loss of freshwater habitats8. One of the pervasive effects of barriers is the one caused by impoundment, which directly modifies lotic (flowing) stretches of river into lentic ...
9 Οκτ 2023 · Abstract. European rivers are disconnected by more than one million man-made barriers that physically limit aquatic species migration and contribute to modification of freshwater habitats. Here, a Conceptual Habitat Alteration Model for Ponding is developed to aid in evaluating the effects of impoundments on fish habitats.
16 Δεκ 2020 · In fact, the authors estimate that there are more than 1.2 million artificial barriers obstructing Europe’s rivers and streams, possibly making it the most fragmented river network in the world.
16 Δεκ 2020 · Validated barrier inventories and modelling indicate that Europe’s rivers are fragmented by more than one million barriers, such as dams, weirs and fords, causing major impacts on biodiversity.
17 Δεκ 2020 · Rivers in Europe are more fragmented—meaning their natural flows are interrupted by man-made barriers—than any other continent’s rivers, new research shows.
