NMFS Office of Science & Technology   |   Marine Ecosystems Division
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SAMPLING METADATA

Sampling and Processing Summary
Plankton were collected via vertical hauls with a flowmeter equipped N70 net or N113 net.

Samples were preserved by the addition of 40% formaldehyde buffered with hexamine, which formed a 5% formalin solution in the sample.


Sampling Gear Net Mesh Tow Method
( depth range )
# of Tow
% of all Tows
N70V Vertical Closing Net 300 um vertical
down-to ~50 m
43 6.8 %
N70V Vertical Closing Net 300 um vertical
down-to ~50 m
15 2.4 %
N70V Vertical Closing Net 300 um vertical
down-to ~100 m
234 36.7 %
N70V Vertical Closing Net 300 um vertical
down-to ~100 m
28 4.4 %
N70V Vertical Closing Net 300 um vertical
down-to ~250 m
170 26.7 %
N70V Vertical Closing Net 300 um vertical
down-to ~250 m
70 11.0 %
N70V Vertical Closing Net 300 um vertical
down-to ~500 m
75 11.8 %
N70V Vertical Closing Net 300 um vertical
down-to ~500 m
2 0.3 %
  TOTAL TOWS 637 
Sub-Collection:   NATAL Cruises COPEPOD
https://www.st.nmfs.noaa.gov/copepod
Web v14.1   [ 2017-Sep ]