Search Results - "Sørnes, Tom"

Turnover of dead jellyfish: stimulation and retardation of microbial activity by Titelman, Josefin, Riemann, Lasse, Sørnes, Tom A., Nilsen, Trygve, Griekspoor, Petra, Båmstedt, Ulf

“…Little is known about the fate of jellyfish biomass after their populations crash. We measured turnover rates of deadPeriphylla periphyllain a pelagicin…”
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Concurrent temporal patterns in light absorbance and fish abundance by Sørnes, Tom A., Aksnes, Dag L.

“…The abundance of midwater fishes in fjord basins, as well as the abundance and size of mesozooplankton, have previously been related to optical properties of…”
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Predation Efficiency in Visual and Tactile Zooplanktivores by Sørnes, Tom A., Aksnes, Dag L.

“…Gelatinous zooplanktivores (medusae, siphonophores, and ctenophores) and visual zooplanktivores (fish) interact through competition, predation, and…”
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Diel Vertical Migration of Individual Jellyfish (Periphylla periphylla) by Kaartvedt, Stein, Thor A. Klevjer, Torgersen, Thomas, Sørnes, Tom A., Anders Røstad

“…Vertical migration of the mesopelagic jellyfish Periphylla periphylla (Scyphozoa: Coronatae) was studied by use of hull-mounted and submerged echosounders in a…”
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Causes for mass occurrences of the jellyfish Periphylla periphylla: a hypothesis that involves optically conditioned retention by Sørnes, Tom A., Aksnes, Dag L., Båmstedt, Ulf, Youngbluth, Marsh J.

“…The mesopelagic coronate medusa Periphylla periphylla has been very abundant (20–320 individuals m−2), with as many as 2.5 individuals m−3, for more than a…”
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Swimming and feeding in Periphylla periphylla (Scyphozoa, Coronatae) by Sørnes, Tom A., Hosia, Aino, Båmstedt, Ulf, Aksnes, Dag L.

“…Some western Norwegian fjords host extraordinarily abundant and persistent populations of the mesopelagic, coronate scyphomedusa, Periphylla periphylla . In…”
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Optical Control of Fish and Zooplankton Populations by Aksnes, Dag L., Nejstgaard, Jens, Sœdberg, Eivind, Sørnes, Tom

“…Aquatic food webs are affected from the bottom up by light through its effect on photosynthesis and productivity. But light also has a top-down effect, because…”
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Causes for mass occurrences of the jellyfish Periphylla periphyylla : a hypothesis that involves optically conditioned retention by SØRNES, Tom A, AKSNES, Dag L, BAMSTEDT, Ulf, YOUNGBLUTH, Marsh J

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