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congrès/colloque
J. Cooper ; Symposium held at the Seventh annual meeting of the Tidewater chapter, Virginia Beach, USA, 14-15 january 1993 (1993-01-14;1993-01-15; Virginia Beach, USA) ; R. Eades ; R. Klauda ; J. Loesch | 1994The symposium was organized within several broad topics: life history and biology, stock assessment and management, fish passage, commercial and recreational fisheries, culture and stocking, and ecological roles in freshwater systems.
congrès/colloque
J. Cooper ; Symposium held at the Seventh annual meeting of the Tidewater chapter, Virginia Beach, USA, 14-15 january 1993 (1993; USA) ; R. Eades ; R. Klauda ; J. Loesch | Bethesda, USA : American Fisheries Society | 1994The symposium was organized within several broad topics: life history and biology, stock assessment and management, fish passage, commercial and recreational fisheries, culture and stocking, and ecological roles in freshwater systems.
rapport
The assessment of resident species, conducted in the winters of 1974-1976, yielded 45 species in the James River, 39 species in the York River, 35 species in the Rappahannock River and 29 species in the Potomac River. This decline in species div[...]
