Blar i Articles på emneord "fish stocks"
Viser treff 1-6 av 6
-
Determining the extinction cross section of aggregating fish
(Journal article; Peer reviewed, 1992)When fish are aggregated over a flat bottom, and fish and bottom echoes can be distinguished, it is possible to determine the fish extinction cross section by a simple application of the echo integration method. The theory ... -
Lodda i Barentshavet, bestand og beskatning
(Chapter, 1983) -
Stock–environment recruitment models for Norwegian spring spawning herring (Clupea harengus)
(Journal article; Peer reviewed, 2002)Different stock–environment recruitment models for Norwegian spring spawning herring (Clupea harengus) are fitted to a time series of spawning stock, recruitment, and temperature data extending back to 1907. In addition ... -
Systematic bias in estimates of reproductive potential of an Atlantic cod (Gadus morhua) stock: implications for stock–recruit theory and management
(Journal article; Peer reviewed, 2006)Stock–recruit relationships that use spawning stock biomass (SSB) to represent reproductive potential assume that the proportion of SSB composed of females and the relative fecundity (number of eggs produced per unit ... -
Temporal synchrony and variation in abundance of Atlantic salmon (Salmo salar) in two subarctic Barents Sea rivers: influence of oceanic conditions
(Journal article; Peer reviewed, 2004)Long-term variation in Atlantic salmon (Salmo salar) stocks was analyzed in two Barents Sea rivers, the Teno and Näätämöjoki, that represent the northernmost distribution area of the species. In contrast to most of the ...