Fish in the Barents Sea can be classified into planktivorous, benthivorous and piscivorous, but many of them have a wide diet and a diet that changes with size. Fish species that feed on the same prey and that overlaps spatially are potential competitors. Capelin and polar cod overlap on the border of their feeding areas which is in the southeastern and central areas of the Barents Sea in cold yea...

The Iceland scallop is a slow growing species common in all shallow areas (< ca 150 m) both in the Spitsbergen area as well as along the coastal waters of Kola Peninsula and Northern Norway (Wiborg, 1962; 1968; Rubach and Sundet, 1987).  It is usually associated with hard bottom substrate and most commonly in areas with strong currents (Wiborg, 1962).  The scallop is a filterfeeder and is there...

In numbers, fishery activities currently account for most of the shipping traffic. The cruise industry contributes to annual and seasonal variations. A large share of the goods to, as well as within, Norway's three northernmost counties is transported by ship. For Russia, sea shipping is of great importance connecting territories with each other and playing a vital role in external economic activi...

Minke whales and harp seals are the most important marine mammal predators with respect to fish consumption. Consumption estimates for minke whales (Folkow et al., 2000) and harp seals (Nilssen et al., 2000) are shown in Figure 2.6.7. These estimates are based on stock size estimates of 85 000 minke whales in the Barents Sea and Norwegian coastal waters (Schweder et al., 1997) and of 2 223 000 har...