Sentence examples for migratory fish in from inspiring English sources

Man-made, physical barriers have disrupted longitudinal connectivity for migratory fish in many river systems throughout the world for centuries.

Mark Lloyd, chief executive of the Angling Trust, which opposed the barrage, said: "Anglers from Swansea to Shrewsbury will be celebrating that many of the 83 species of marine and migratory fish in the Severn estuary have been saved from having to pass back and forth through 1,000 turbines on every ebb and flow of the tide".

They repeated tests on migratory fish in August 2011 and again in February 2012.

The absence of migratory fish in upstream Tarawera could be explained by limited upstream migration through the paper mill effluent outfalls [ 52], or by inherited behavioural patterns.

The present multiple optimal stopping problem is a simple theoretical model for migration of animals, migratory fishes in particular [16].

The seasonal arrival of migratory fish into the waters of the New York Bight represents a significant, positive change for the better in waters that were once so polluted that they seemed synonymous with ecological disaster.

But not all highly migratory fish are in danger; the albacore, skipjack and yellowfin tuna and swordfish on American menus are not threatened.

Through manipulations of sensory functions, researchers have evaluated the various mechanisms by which migratory fish, particularly in lotic systems, locate natal spawning grounds.

This study shows that the T shape fishway can meet the requirements of these migratory fish quite well in terms of velocity and flow patterns in China.

The eels plop down and you reel them back slowly, presenting them as easy victims for the big, migratory fish that lie in ambush by the boulders.

Principles of management for high seas fishers are laid down in the UN fish stocks treaty (1995), which manages straddling and highly migratory fish stocks, and in detailed measures adopted by several regional fisheries commissions.