Search Results - "RØSTAD, Anders"

Individual daytime swimming of mesopelagic fishes in the world's warmest twilight zone by Sobradillo, Beatriz, Christiansen, Svenja, Røstad, Anders, Kaartvedt, Stein

“…We assessed the activity and swimming patterns of mesopelagic fishes in the Red Sea using bottom-moored, upward-facing echosounders deployed at 555 and 700 m…”
Get full text

Microplastic in the gastrointestinal tract of fishes along the Saudi Arabian Red Sea coast by Baalkhuyur, Fadiyah M., Bin Dohaish, El-Jawaher A., Elhalwagy, Manal E.A., Alikunhi, Nabeel M., AlSuwailem, Abdulaziz M., Røstad, Anders, Coker, Darren J., Berumen, Michael L., Duarte, Carlos M.

“…This study assesses the presence of microplastic litter in the contents of the gastrointestinal tract of 26 commercial and non-commercial fish species from…”
Get full text

Sleep walking copepods? Calanus diapausing in hypoxic waters adjust their vertical position during winter by Kaartvedt, Stein, Røstad, Anders, Titelman, Josefin

“…Abstract While hypoxia is generally associated with negative connotations, some animals may also take advantage of reduced oxygen concentrations. However, the…”
Get full text

Discovery of Afifi, the shallowest and southernmost brine pool reported in the Red Sea by Duarte, Carlos M., Røstad, Anders, Michoud, Grégoire, Barozzi, Alan, Merlino, Giuseppe, Delgado-Huertas, Antonio, Hession, Brian C., Mallon, Francis L., Afifi, Abdulakader M., Daffonchio, Daniele

“…The previously uncharted Afifi brine pool was discovered in the eastern shelf of the southern Red Sea. It is the shallowest brine basin yet reported in the Red…”
Get full text

Diel vertical migration and individual behavior of nekton beyond the ocean's twilight zone by Kaartvedt, Stein, Røstad, Anders, Christiansen, Svenja, Klevjer, Thor A.

“…Diel vertical migration (DVM) is normally limited to the upper 1000 m. However, the use of ship-borne and stationary submerged echosounders in the Red Sea…”
Get full text

Flexible behaviour in a mesopelagic fish (Maurolicus muelleri) by Christiansen, Svenja, Klevjer, Thor A, Røstad, Anders, Aksnes, Dag L, Kaartvedt, Stein

“…Abstract Variability of mesopelagic scattering layers is often attributed to environmental conditions or multi-species layer composition. Yet, little is known…”
Get full text

Ecology of overwintering sprat (Sprattus sprattus) by Solberg, Ingrid, Røstad, Anders, Kaartvedt, Stein

“…•Behavior and feeding ecology of sprat were studied during four winters in a fjord.•Feeding activity was size-dependent and calanoid copepods were the dominant…”
Get full text

Diel dynamics of dissolved organic matter and heterotrophic prokaryotes reveal enhanced growth at the ocean's mesopelagic fish layer during daytime by Morán, Xosé Anxelu G., García, Francisca C., Røstad, Anders, Silva, Luis, Al-Otaibi, Najwa, Irigoien, Xabier, Calleja, Maria Ll

“…Contrary to epipelagic waters, where biogeochemical processes closely follow the light and dark periods, little is known about diel cycles in the ocean's…”
Get full text

Light comfort zones of mesopelagic acoustic scattering layers in two contrasting optical environments by Røstad, Anders, Kaartvedt, Stein, Aksnes, Dag L.

“…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…”
Get full text

Seasonal and diel patterns in sedimentary flux of krill fecal pellets recorded by an echo sounder by Røstad, Anders, Kaartvedt, Stein

“…We used a moored upward-facing 200 kHz echo sounder to address sedimentation of fecal pellets (FPs) from dielly migrating Meganyctiphanes norvegica. The echo…”
Get full text

Light penetration structures the deep acoustic scattering layers in the global ocean by Aksnes, Dag L, Røstad, Anders, Kaartvedt, Stein, Martinez, Udane, Duarte, Carlos M, Irigoien, Xabier

“…The deep scattering layer (DSL) is a ubiquitous acoustic signature found across all oceans and arguably the dominant feature structuring the pelagic open ocean…”
Get full text

Seasonal variations in vertical migration of glacier lanternfish, Benthosema glaciale by Dypvik, Eivind, Røstad, Anders, Kaartvedt, Stein

“…The seasonal variations in glacier lanternfish ( Benthosema glaciale ) vertical distribution and diel vertical migration (DVM) were studied by use of a…”
Get full text

Changing weather causes behavioral responses in the lower mesopelagic by Kaartvedt, Stein, Røstad, Anders, Aksnes, Dag L.

“…Mesopelagic acoustic scattering layers at a 700 m deep location in the Red Sea ascended 70 to 80 m during a passing rain storm that reduced light levels at the…”
Get full text

Herding mesopelagic fish by light by Kaartvedt, Stein, Røstad, Anders, Opdal, Anders Frugård, Aksnes, Dag L.

“…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…”
Get full text

The Simrad EK60 echosounder dataset from the Malaspina circumnavigation by Irigoien, Xabier, Klevjer, Thor, Martinez, Udane, Boyra, Guillermo, Røstad, Anders, Wittmann, Astrid C., Duarte, Carlos M., Kaartvedt, Stein, Brierley, Andrew S., Proud, Roland

“…We provide the raw acoustic data collected from the R/V Hesperides during the global Malaspina 2010 Spanish Circumnavigation Expedition (14th December 2010,…”
Get full text

Vertical distribution and migration of euphausiid species in the Red Sea by Wiebe, Peter H., Bucklin, Ann, Kaartvedt, Stein, Røstad, Anders, Blanco-Bercial, Leocadio

Get full text

Increased prokaryotic diversity in the Red Sea deep scattering layer by Huete-Stauffer, Tamara Megan, Logares, Ramiro, Ansari, Mohd Ikram, Røstad, Anders, Calleja, Maria Lluch, Morán, Xosé Anxelu G

“…The diel vertical migration (DVM) of fish provides an active transport of labile dissolved organic matter (DOM) to the deep ocean, fueling the metabolism of…”
Get full text

Use of bottom-mounted echo sounders in exploring behavior of mesopelagic fishes by Kaartvedt, Stein, Røstad, Anders, Klevjer, Thor A., Staby, Arved

“…We deployed an upward-facing echo sounder mounted on the bottom and cabled to shore in a ~400 m fjord location for long-term studies of small mesopelagic fish…”
Get full text

The submarine volcano eruption off El Hierro Island: effects on the scattering migrant biota and the evolution of the pelagic communities by Ariza, Alejandro, Kaartvedt, Stein, Røstad, Anders, Garijo, Juan Carlos, Arístegui, Javier, Fraile-Nuez, Eugenio, Hernández-León, Santiago

“…The submarine volcano eruption off El Hierro Island (Canary Islands) on 10 October 2011 promoted dramatic perturbation of the water column leading to changes…”
Get full text

The Mesopelagic Scattering Layer: A Hotspot for Heterotrophic Prokaryotes in the Red Sea Twilight Zone by Calleja, Maria L., Ansari, Mohd I., Røstad, Anders, Silva, Luis, Kaartvedt, Stein, Irigoien, Xabier, Morán, Xosé Anxelu G.

“…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…”
Get full text