The practice of dam removal has received increasing attention as a consequence of
maintenance and liability concerns related to the advanced age of many of these structures …

Extensive degradation of ecosystems, combined with the increasing demands placed on the
goods and services they provide, is a major driver of biodiversity loss on a global scale. In …

Stream and river restoration practices have become common in many parts of the world. To
answer the question whether such restoration measures improve freshwater biotic …

Low-head dams and weirs can greatly limit the distribution and abundance of Atlantic
salmon and other migratory salmonids in streams. Weirs can significantly increase the …

Dams are known to create discontinuities in river flow and sediment transport, with ensuing
effects on the fluvial geomorphology of dammed systems. While the effects created by large …

Aquatic ecosystems are almost invariably connected to other ecosystems because the
dominant force of water movement facilitates physical, chemical, and biological exchanges …

Understanding the relationship between a dam's size and its ecological effects is important
for prioritization of river restoration efforts based on dam removal. Although much is known …

Significant ecological effects of run-of-river dams on stream chemistry, benthic algae,
phytoplankton, macroinvertebrates, macrophytes and fish have been found. However, the …

The planned removal of two dams that have been in place for over 95 years on the Elwha
River provides a unique opportunity to study dam removal effects. Among the largest dams …

The Water Framework Directive set for European Union countries the objective of restoring
the ecological and/or sediment continuity of rivers, as the latter is relevant for providing …