Anthropogenic modifications to aquatic ecosystems have altered connecting pathways
within, and in some cases, between watersheds. Human structures, such as hydroelectric …

The development of waterways, for hydropower and other industrial uses, has substantially
altered many of the freshwater habitats of the planet and this has had considerable impact …

This paper reviews the application of several sensory signals for their possible use in the
control and modification of fish behavior but emphasizes the use of sound. Basic principles …

The erosion of night‐time by the introduction of artificial lighting constitutes a profound
pressure on the natural environment. It has altered what had for millennia been reliable …

Highlights•Salmon smolts encountered velocity gradients (VGs) when light and dark.•A
hierarchy of behaviours that describes magnitude of avoidance was identified.•Avoidance of …

Human activities subject many aquatic habitats to significant alterations in natural cycles of
illumination. More than half of the world's human population lives within 100 km of an ocean …

Avoidance of abrupt accelerations of flow exhibited by downstream migrating fish at screens
used to divert them, or at fishway entrances, can cause delay and adversely impact …

Northern squawfish Ptychocheilus oregonensis cause significant mortality of juvenile
salmon in the lower Columbia River Basin (USA). The effects of light intensity on this …

We conducted field experiments in the nearshore area of two urban lakes (Lake Washington
and Lake Sammamish) in western Washington to test the attractive quality of artificial …

Understanding species-specific flight behaviours is essential in developing methods of
guiding fish spatially, and requires knowledge on how groups of fish respond to aversive …