Seasonal variation of deep-sea bioluminescence in the Ionian Sea

Craig, Jessica; Jamieson, Alan J.; Bagley, Philip M.; Priede, Imants G.. 2011 Seasonal variation of deep-sea bioluminescence in the Ionian Sea. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 626-627. S115-S117.

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The ICDeep (Image Intensified Charge Coupled Device for Deep sea research) profiler was used to measure the density of deep bioluminescent animals (BL) through the water column in the east, west and mid-Ionian Sea and in the Algerian Basin. A west to east decrease in BL density was found. Generalized additive modelling was used to investigate seasonal variation in the east and west Ionian Sea (NESTOR and NEMO neutrino telescope sites, respectively) from BL measurements in autumn 2008 and spring 2009. A significant seasonal effect was found in the west Ionian Sea (p<0.001), where a deep autumnal peak in BL density occurred between 500 and 2400 m. No significant seasonal variation in BL density was found in the east Ionian Sea (p=0.07). In both spring and autumn, significant differences in BL density were found through the water column between the east and west Ionian Sea (p<0.001).

Item Type: Publication - Article
Digital Object Identifier (DOI):
ISSN: 01689002
Date made live: 30 Jan 2018 10:43 +0 (UTC)

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