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PREFERRED TERM
SDN:B07::NDT019Multiple net/multiple cod-end system oblique horizontal towyo  
DEFINITION
  • Multiple nets are deployed on a single frame with opening and closing capability. In the case of a system like MOCNESS the first net (0) is deployed to a predetermined depth, open. Once at that depth, that net is closed, at the same time opening the second (net 1) net. This net is hauled back to a predetermined shallower depth open and then closed and the next net is opened and sent back to the same depth as the original net and closed and the next net opened, etc. This continues until all the desired sampling is accomplished. (Wiebe, et al., 1992, Figures 3). For systems like the Multinet, the system can be deployed wihtout a net open and the first net is opened at depth. This deployment strategy can also be done with a single net with multiple cod-end system. Examples of gears that can be deployed that way include the MOCNESS, the BIONESS, the Multinet, other multiple net or cod-end opening/closing systems (Wiebe and Benfield 2003, Plates 28-31).
ENTRY TERMS
  • Serial sampler sawtooth tow
NOTE
  • accepted
IDENTIFIER
  • SDN:B07::NDT019
DATE
  • 2014-10-14 12:14:45.0
IDENTIFIER
  • SDN:B07::NDT019
VERSION
  • 1
IN OTHER LANGUAGES
Serial sampler sawtooth tow
URI
http://vocab.nerc.ac.uk/collection/B07/current/NDT019/
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