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Now showing items 1-10 of 14
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
Recent studies suggest that previous estimates of mesopelagic biomasses are severely biased, with the new, higher estimates underlining the need to unveil behaviourally mediated coupling between shallow and deep ocean ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
Gelatinous organisms apparently play a central role in deep pelagic ecosystems, but lack of observational methodologies has restricted information on their behaviour. We made acoustic records of diel migrating jellyfish ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
Intensive sampling at the coastal waters of the central Red Sea during a period of thermal stratification, prior to the main seasonal bloom during winter, showed that vertical patches of prokaryotes and microplankton ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
We tested the hypothesis that the coronate jellyfish Periphylla periphylla distributes vertically according to a preferential range of absolute light intensities. The study was carried out in Lurefjorden, Norway, a fjord ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
The vast majority of marine dissolved organic carbon (DOC), the largest reservoir of reduced carbon on Earth, is believed to accumulate in the abyssal layers of the ocean over timescales of decades to millennia. However, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
Nocturnal migration of mesopelagic fish into surface waters is well-documented. Yet, although there is increasing evidence of individual-based deviations from average population migrations and of the importance of small-scale ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
To assess organisms forming mesopelagic scattering layers in the Red Sea, we took advantage of their reactions to light. We used a remotely operated vehicle (ROV) equipped with LED lamps for herding the acoustic targets ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
Throughout the oceans, small fish and other micronekton migrate between daytime depths of several hundred meters and near-surface waters at night. These diel vertical migrations of mesopelagic organisms structure pelagic ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
We make a comparison of the mesopelagic sound scattering layers (SLs) in two contrasting optical environments; the clear Red Sea and in murkier coastal waters of Norway (Masfjorden). The depth distributions of the SL in ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
We used moored upward-facing echosounders in combination with field campaigns to address the overwintering ecology of the clupeid sprat (Sprattus sprattus) throughout four separate winters in a Norwegian fjord. The stationary ...