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 vertical
under ~25 m 		4 0.2 %
CalCOFI standard 1-meter net (1951-1978) 505 um vertical
down-to ~50 m 		1752 80.7 %
CalCOFI standard 1-meter net (1951-1978) 505 um vertical
down-to ~100 m 		363 16.7 %
CalCOFI standard 1-meter net (1951-1978) 505 um vertical
down-to ~250 m 		5 0.2 %
CalCOFI standard 1-meter net (1951-1978) 505 um vertical
down-to ~500 m 		47 2.2 %
  TOTAL TOWS 2171 
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Sub-Collection:   CalCOFI (the early years) NMFS-COPEPOD
http://www.st.nmfs.noaa.gov/plankton
Web v7.1   [ 2008-Oct ]