SAMPLING METHODS SUMMARY
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SAMPLING GEAR NET MESH TOW METHODS
( depth range )		 # of TOWS % of all TOWS
CalCOFI standard 1-meter net (1951-1978) 505 um oblique
under ~25 m 		711 1.8 %
CalCOFI standard 1-meter net (1951-1978) 505 um oblique
down-to ~50 m 		3162 8.2 %
CalCOFI standard 1-meter net (1951-1978) 505 um oblique
down-to ~100 m 		20962 54.4 %
CalCOFI standard 1-meter net (1951-1978) 505 um oblique
down-to ~250 m 		3757 9.7 %
CalCOFI standard bongo net (1978-present) 505 um oblique
under ~25 m 		233 0.6 %
CalCOFI standard bongo net (1978-present) 505 um oblique
down-to ~50 m 		883 2.3 %
CalCOFI standard bongo net (1978-present) 505 um oblique
down-to ~100 m 		534 1.4 %
CalCOFI standard bongo net (1978-present) 505 um oblique
down-to ~250 m 		8300 21.5 %
  TOTAL TOWS 38542 
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Sub-Collection:   CalCOFI NMFS-COPEPOD
http://www.st.nmfs.noaa.gov/plankton
Web v7.1   [ 2008-Oct ]