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Towards the acoustic estimation of jellyfish abundance
(Journal article; Peer reviewed, 2005-06-23)
Acoustic target strengths (TSs) of the 2 most common large medusae, Chrysaora hysoscella and Aequorea aequorea, in the northern Benguela (off Namibia) have previously been estimated (at 18, 38 and 120 kHz) from acoustic ...
Acoustic observations of jellyfish in the Namibian Benguela
(Journal article; Peer reviewed, 2001-01-26)
Multi-frequency acoustic data (18, 38 and 120 kHz) were collected in conjunction with pelagic trawl sampling for gelatinous macrozooplankton during a cruise to the Namibian Benguela in September 1999. Sampling focused ...