Daytime-dependent abundance of Salpa thomsponi during RV Tangaroa cruise TAN1810 to the Chatham Rise, New Zealand

• Main Authors: Lüskow, Florian, Pakhomov, Evgeny A, Stukel, Michael R, Décima, Moira
• Format: Dataset
• Language: English
• Published: PANGAEA 2021
• Subjects: BONGO; Bongo net; Chatham Rise; east of New Zealand; Cruise/expedition; Date/Time of event; DEPTH; water; Event label; gelatinous zooplankton; Identification; Latitude of event; Life stage; Longitude of event; Measured using callipers; Pelagic tunicate; Salpa thompsoni; length; Salp Particle expOrt and Ocean Production; Salp Particle expOrt and Ocean Production (SalpPOOP); SalpPOOP; Size-specificity; Southern Ocean; Southwest Pacific; TAN1810; TAN1810_BT10; TAN1810_BT14; TAN1810_BT6; TAN1810_BT7; TAN1810_BT8; TAN1810_BT9; Tangaroa; Time of day; VID; Visual identification
• Online Access: https://doi.pangaea.de/10.1594/PANGAEA.930607; https://doi.org/10.1594/PANGAEA.930607

Daytime-dependent abundance changes of Salpa thomsponi within the top 200 m of the water column were studied at the Chatham Rise, New Zealand in October 2018 using oblique Bongo net tows (202 µm mesh size, 0.4 m² mouth opening). Specimens were identified to life cycle stage (blastozooid, oozooid) and measured for oral-atrial length. Differences in life cycle stage and length-frequency distribution patterns were compared among three consecutive days and nights.