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This study presents mesozooplankton biomass data collected in the upper 150m water column along Line P during four cruises in 1996 and 1997. Error bars represent one standard deviation calculated from three net hauls. Biomass samples were not taken at stations without associated biomass bars. Additionally, Neocalanus plumchrus vertical distribution and stage structure at OSP were examined during winter, spring, and summer, for day and night periods. Phaeopigments, chlorophyll a, copepod, Neocalanus cristatus, salp, Cyclosalpa bakeri, relative abundance, pigment composition in fecal pellets, and passive transport of biogenic matter were also analyzed. Refer to Whitney and Freeland (1999) for station locations.
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Fig. 1. Mesozooplankton biomass (mg C m−3) in the upper 150 m water column along Line P during 4 cruises in 1996 and 1997. Error bars are 1 standard deviation calculated from 3 net hauls. Refer to map in Whitney and Freeland (1999) for station locations. Biomass samples were not collected at stations and times with no associated biomass bar.
Fig. 3. Neocalanus plumchrus vertical distribution and stage structure at OSP during winter, spring, and summer, day and night. No N. plumchrus were present at station P04 during periods sampled.
Phaeopigments Chlorophylle a Copépode Neocalanus cristatus Salpe Cyclosalpa bakeri Abondance relative (%) Abondance relative (%) Composition pigmentaire des pelotes fécales
Transport passif de matière biogène Contribution des pelotes fecales
