In this review, we first summarize how hydrologic connectivity has been studied for riverine
fish capable of moving long distances, and then identify research opportunities that have …

We synthesized evidence for unintended consequences and trade‐offs associated with the
passage of fishes. Provisioning of fish passageways at dams and dam removals are being …

More than a century of impoundments in the Penobscot River, Maine, USA, has contributed
to population declines in migratory fish in the system. A decade of change, research, and …

Large dam removal is being used to restore river systems, but questions remain regarding
their outcomes. We examine how the removal of two large dams in the Elwha River, coupled …

The last two decades have seen a rapid increase in barrier removals on rivers of the
Northern Hemisphere, often for the explicit purpose of expanding the abundance, spatial …

Environmental DNA (eDNA) has emerged as a potentially powerful tool for use in
conservation and resource management, including for tracking the recolonization dynamics …

American eel Anguilla rostrata abundances have undergone significant declines over the
last 50 years, and migration barriers have been recognized as a contributing cause. We …

The sheer beauty and impressiveness of animal migrations have long puzzled observers
and raised the questions of how these animals find their way, what initiates their migrations …

Local extirpations of Pacific salmon Oncorhynchus spp. and steelhead O. mykiss, often due
to dams and other stream barriers, are common throughout the western United States …

The North American freshwater fish fauna is the most diverse and thoroughly researched
temperate fish fauna in the world. Ecology of North American Freshwater Fishes is the only …