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Mesoscale Eddies Structure Mesopelagic Communities ArchiMer
Della Penna, Alice; Gaube, Peter.
Mesoscale eddies play a key role in structuring open ocean ecosystems, affecting the entire trophic web from primary producers to large pelagic predators including sharks and elephant seals. Recent advances in the tracking of pelagic predators have revealed that these animals forage in the mesopelagic and the depth and duration of their foraging dives are affected by the presence of eddies. The ways in which eddies impact the distribution of mesopelagic micronekton, however, remain largely unknown. During a multi-seasonal experiment we used a shipboard scientific echosounder transmitting at 38 kHz to observe the distribution of acoustic backscattering in the energetic mesoscale eddy field of the northwestern Atlantic. Observations were collected at 24...
Tipo: Text Palavras-chave: NAAMES; North Atlantic Aerosols and Ecosystems Study; Micronekton; Mesoscale; Eddies; Echosounder; Bioacoustics; Intermediate trophic levels.
Ano: 2020 URL: https://archimer.ifremer.fr/doc/00642/75390/76187.pdf
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