Appendix B: Data Collecting Activities Weather: Information collected at every ocean station by scientific personnel. Picture of the sky taken every two minutes during the day, continuous recording of sea surface temperature, solar radiation, difference between wet and dry tempearture, and continuous recording of sea water chlorophyll content. Plankton Tows: Surface and oblique tows 4 times daily. Micronekton Tows: Twice daily, Temperature and Salinity with Depth: Taken on the average of every twenty miles. Some stations had only temperature with depth. Also continuous surface readings for first two thirds of the cruise. Chemical Nutrients; readings an average of four times daily from various depths. Insect Sampling: Continuous survey using eight nets above the superstructure of the ship.