NMFS Office of Science & Technology   |   Marine Ecosystems Division   <-- back to previous page -- Sampling Metadata   <-  Arctic Ocean Section 1994 (Data Summary)   <-  COPEPOD: The Global Plankton Database     SAMPLING METADATA Sampling and Processing Summary Biomass Method:   Immediately after capture, mesozooplankton samples from each depth were split using a Motoda splitter. Sub-samples were filtered onto pre-weighed 47 mm GF/A filters, rinsed with distilled water and dried at 60 C for three days onboard. The filters were re-weighed upon return to the laboratory using a microscale electrobalance. Total dry weight represents the difference in the weight of the filter before and after filtration. Sampling Gear Net Mesh Tow Method ( depth range ) # of Tow % of all Tows WP-2 (UNESCO Working Party 2) 200 um vertical down-to ~50 m 1 2.8 % WP-2 (UNESCO Working Party 2) 200 um vertical down-to ~100 m 2 5.6 % WP-2 (UNESCO Working Party 2) 200 um vertical down-to ~250 m 2 5.6 % WP-2 (UNESCO Working Party 2) 200 um vertical down-to ~500 m 31 86.1 %     TOTAL TOWS 36   Sub-Collection:   Arctic Ocean Section 1994 COPEPOD https://www.st.nmfs.noaa.gov/copepod Web v14.1   [ 2017-Sep ]