. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. VERTICAL MIGRATION 245 1-1- SCOLECITHRICELLA MINOR AVERAGE OF S STATIONS 10 STATIONS DAY NIGHT IOOOJ MICROCALANUS PYGMAEU5 AVERAGE OF 6 STATIONS II STATIONS DAY NIGHT. METRIDIA GERLACHEI AVERAGE OF S STATIONS 6 STAT IONS DAY NIGHT METRIDIA LUCEN5 AVERAGE OF 4 STATIONS 10 STATIONS DAY NIGHT 0 10 SCALE Imiliiiilinili 20 % PER 50m. DEPTH Fig. 115. Chart showing the vertical distribution of four deep-water Copepoda expressed as average per- centages per 50 m. haul with the closing N 70 V nets used i
. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. VERTICAL MIGRATION 245 1-1- SCOLECITHRICELLA MINOR AVERAGE OF S STATIONS 10 STATIONS DAY NIGHT IOOOJ MICROCALANUS PYGMAEU5 AVERAGE OF 6 STATIONS II STATIONS DAY NIGHT. METRIDIA GERLACHEI AVERAGE OF S STATIONS 6 STAT IONS DAY NIGHT METRIDIA LUCEN5 AVERAGE OF 4 STATIONS 10 STATIONS DAY NIGHT 0 10 SCALE Imiliiiilinili 20 % PER 50m. DEPTH Fig. 115. Chart showing the vertical distribution of four deep-water Copepoda expressed as average per- centages per 50 m. haul with the closing N 70 V nets used in a series of six hauls from 1000 m. to the surface (1000-750 m., 750-500 m., 500-250 in., 250-100 m., 100-50 m., and 50-0 m.) at day and night stations. Table XL The depth distribution of Euphausia frigida furcilia as shown by the N 70 V nets for stations of 500 m. depth and over Depth Total number at Number of net hauls Average number per m. each depth at each depth 1000 m. haul in each range of depth Day Night Day Night Day Night 50-0 2 9 11 9 36 20 100-50 44 57 11 10 80 114 250-100 73 28 11 10 44-2 186 500-250 4 1 11 10 1-4 04 750-500 3 0 8 10 15 0 1000-750 19 0 7 8 109 0 Totals: 1416 149-3 32. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Institute of Oceanographic Sciences (Great Britain); National Institute of Oceanography of Great Britain; Great Britain. Colonial Office. Discovery Committee. London ; New York : Cambridge University Press
Size: 2010px × 1243px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti
