O. Bergstad

Publications112
h-index31
Citations3,173
Highly Influential Citations214
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Man and the Last Great Wilderness: Human Impact on the Deep Sea
The deep sea, the largest ecosystem on Earth and one of the least studied, harbours high biodiversity and provides a wealth of resources. Although humans have used the oceans for millennia,… Expand
Life history and ecology of the gadoid resources of the Barents Sea
Abstract Knowledge of the distributional patterns, reproduction, early life history, recruitment, growth, stock-size fluctuations and ecology of the main gadoids of the Barents Sea and neighbouring… Expand
Distribution, population structure, growth and reproduction of the roundnose grenadierCoryphaenoides rupestris (Pisces: Macrouridae) in the deep waters of the Skagerrak
The roundnose grenadierCoryphaenoides rupestris Gunnerus, 1765 occurs benthopelagically in the deepest parts of the Norwegian Deep, i.e., at depths >300 m in the Skagerrak. Based on studies of… Expand
Distribution and trophic ecology of some gadoid fish of the Norwegian deep
Abstract As part of a comprehensive study of fish assemblages of the deep-water area of the northeastern North Sea and Skagerrak called the Norwegian Deep, information was gathered on the ecology and… Expand
Demersal fish on a mid-ocean ridge: Distribution patterns and structuring factors
Abstract Mid-ocean ridges offer diverse habitats to benthic and benthopelagic fish, and the species-specific patterns of abundance and distribution as well as community patterns have not been… Expand
Strategies, methods, and technologies adopted on the R.V. G.O. Sars MAR-ECO expedition to the Mid-Atlantic Ridge in 2004
Abstract The MAR-ECO project aimed to gather information on mid-ocean ridge macro- and megafaunal assemblages and their distribution patterns in relation to the abiotic environment, and the target… Expand
The absence of sharks from abyssal regions of the world's oceans
The oceanic abyss (depths greater than 3000 m), one of the largest environments on the planet, is characterized by absence of solar light, high pressures and remoteness from surface food supply… Expand
Resource sharing among cod, haddock, saithe and pollack on a herring spawning ground
Cod Gadus morhua, haddock Melanogrammus aeglefinus, pollack Pollachius pollachius and saithe Pollachius virens were abundant fishes on herring Clupea harengus spawning grounds off southwestern… Expand
Bathymetric barriers promoting genetic structure in the deepwater demersal fish tusk (Brosme brosme)
Population structuring in the North Atlantic deepwater demersal fish tusk (Brosme brosme) was studied with microsatellite DNA analyses. Screening eight samples from across the range of the species… Expand
Distribution and biology of blue hake, Antimora rostrata (Pisces: Moridae), along the mid-Atlantic Ridge and off Greenland
Abstract Data on Antimora rostrata are presented from 42°N on the mid-Atlantic Ridge to approximately 65°N on the slope off West and East Greenland, a north–south range of approximately 1400 nm… Expand
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