Volume 8. Biological and nutrient chemistry data
from principal participating ships and Oceanographer,
third and fourth monitor cruises, October 1967 - January 1968

 
Love, C. M. (Ed.) (1974). Biological and nutrient chemistry data from principal participating ships and Oceanographer, third and fourth monitor cruises, October 1967 - January 1968. EASTROPAC Atlas, vol. 8. Washington, D. C.: National Marine Fisheries Service.

Front cover
Inside front cover
Title page, cont.

INTRODUCTION. By Cuthbert M. Love

List of Figures iv, v, vi, vii

Reference maps and track charts

FIGURE RM-a. Reference map of the main portion of the EASTROPAC area.
FIGURE RM-b. Reference map of the southern coastal portion of the EASTROPAC area.
FIGURE 50-TC. Locations of stations occupied by participating ships during the third monitor period, October-November 1967.
FIGURE 60-TC. Locations of stations occupied by participating ships during the fourth monitor period, December 1967 January 1968.

Nutrient chemistry

FIGURE 50-P-10. Phosphate-phosphorus (g-at/l) at 10 meters, October-November 1967.
FIGURE 50-Si-10. Silicate-silicon (g-at/l) at 10 meters, October-November 1967.
FIGURE 50-NO3-10. Nitrate-nitrogen (g-at/l) at 10 meters, October-November 1967.
FIGURE 50-NO2-10. Nitrite-nitrogen (g-at/l) at 10 meters, October-November 1967.
FIGURE 50-NH3-10. Ammonia-nitrogen (g-at/l) at 10 meters, October-November 1967.
FIGURE 50-P-100. Phosphate-phosphorus (g-at/l) at 100 meters, October-November 1967.
FIGURE 50-Si-100. Silicate-silicon (g-at/l) at 100 meters, October-November 1967.
FIGURE 50-NO3-100. Nitrate-nitrogen (g-at/l) at 100 meters, October-November 1967.
FIGURE 50-NH3-100. Ammonia-nitrogen (g-at/l) at 100 meters, October-November 1967.

Phytoplankton

FIGURE 50-Ch-s. Chlorophyll-a (mg/m3) at the sea surface, October-November 1967.
FIGURE 50-Ch-ei. Chlorophyll-a (mg/m2) integrated over the euphotic layer, October-November 1967.
FIGURE 50-Ch-150i. Chlorophyll-a (mg/m2) integrated from the sea surface to 150 meters depth, October-November 1967.
FIGURE 50-Ph-150i. Phaeophytin (mg/m2) integrated from the sea surface to 150 meters depth, October-November 1967.
FIGURE 50-PP-s. Primary production (mgC/m3/day) at the sea surface, October-November 1967.
FIGURE 50-PP-ei. Primary production (mgC/m2/day) integrated over the euphotic layer, October-November 1967.
FIGURE 50-EL. Thickness of the euphotic layer in meters, October-November 1967.

Sightings of birds

FIGURE 50-BP. Relative abundance of plankton-feeding birds (birds/mile), October-November 1967.
FIGURE 50-BF. Relative abundance of fish and cephalopod-feeding birds (birds/mile), October-November 1967.

Zooplankton and micronekton

FIGURE 50-FCp. Distribution of standing stock (ml/1000m3) of total fish and cephalopods taken in night micronekton hauls during October-November 1967.
FIGURE 50-Cr. Distribution of standing stock (ml/1000m3) of total crustaceans taken in night micronekton hauls during October-November 1967.
FIGURE 50-Nk. Distribution of standing stock (ml/1000m3) of total micronekton taken in night micronekton hauls during October-November 1967.
FIGURE 50-ZhN. Distribution of standing stock (ml/1000m3) of zooplankton taken in 50-cm net hauls at night, October-November 1967.
FIGURE 50-Z1N. Distribution of standing stock (ml/1000m3) of zooplankton taken in 1-m net hauls at night, October-November 1967.
FIGURE 50-ZhD. Distribution of standing stock (ml/1000m3) of zooplankton taken in 50-cm net hauls during the day, October-November 1967.
FIGURE 50-Z1D. Distribution of standing stock (ml/1000m3) of zooplankton taken in 1-m net hauls during the day, October-November 1967.

Fish larvae

FIGURE 50-FLN. Total fish larvae (number/haul) taken in 1-m oblique plankton hauls at night during October-November 1967.
FIGURE 50-FLD. Total fish larvae (number/haul) taken in 1-m oblique plankton hauls during the day, October-November 1967.
FIGURE 50-FE. Total fish eggs (number/haul) taken in 1-m oblique plankton hauls during October-November 1967.
FIGURE 50-FS. Total skipjack tuna, Katsuwonus pelamis, larvae (number/haul) taken in 1-m oblique plankton hauls during October-November 1967.
FIGURE 50-FA. Total frigate mackerel, Auxis, larvae (number/haul) taken in 1-m oblique plankton hauls during October-November 1967.
FIGURE 50-FC. Total dolphin (fish), Coryphaena, larvae (number/haul) taken in 1-m oblique plankton hauls during October-November 1967.
FIGURE 50-FMN. Total myctophid larvae (number/haul) taken in 1-m oblique plankton hauls at night during October-November 1967,
FIGURE 50-FMD. Total myctophid larvae (number/haul) taken in 1-m oblique plankton hauls during the day, October-November 1967.
FIGURE 50-FGN. Total gonostomatid and sternoptychid larvae (number/haul) taken in 1-m oblique plankton hauls at night during April-flay 1967.
FIGURE 50-FGD. Total gonostomatid and sternoptychid larvae (number/haul) taken in 1-m oblique plankton hauls during the day, October-November 1967.

Nutrient chemistry

FIGURE 50-P-vl. Vertical distribution of phosphate-phorphorus (g-at/l) along 11910' W, October 20-29, 1967.
FIGURE 50-P-v2. Vertical distribution of phosphate-phosphorus (g-at/l) along 11210' W, October 30 - November 4, 1967.
FIGURE 50-P-v3. Vertical distribution of phosphate-phosphorus (g-at/l) along a section from 12 N, 11210' W to Manzanillo, November 4-7, 1967.
FIGURE 50-P-v4. Vertical distribution of phosphate-phosphorus (g-at/l) along a section from Acapulco to 12 N, 10510' W, November 11-13, 1967.
FIGURE 50-P-v5. Vertical distribution of phosphate-phosphorus (g-at/l) along 10510' W, November 13-18, 1967.
FIGURE 50-P-v6. Vertical distribution of phosphate-phosphorus (g-at/l) along 9810' W, November 20-27, 1967.

FIGURE 50-Si-v1.  Vertical distribution of silicate-silicon (g-at/l) along 11910' W, October 20-29, 1967.
FIGURE 50-Si-v2. Vertical distribution of silicate-silicon (g-at/l) along 11210' W, October 30 - November 4, 1967.
FIGURE 50-Si-v3. Vertical distribution of silicate-silicon (g-at/l) along a section from 12 N, 11210' W to Manzanillo, November 4-7, 1967.
FIGURE 50-Si-v4. Vertical distribution of silicate-silicon (g-at/l) along a section from Acapulco to 12 N, 10510' W, November 11-13, 1967.
FIGURE 50-Si-v5. Vertical distribution of silicate-silicon (g-at/l) along 10510' W, November 13-18, 1967.
FIGURE 50-Si-v6. Vertical distribution of silicate-silicon (g-at/l) along 9810' W, November 20-27, 1967.

FIGURE 50-NO3-v1. Vertical distribution of nitrate-nitrogen (g-at/l) along 11910' W, October 20-29, 1967.
FIGURE 50-NO3-v2. Vertical distribution of nitrate-nitrogen (g-at/l) along 11210' W, October 30 - November 4, 1967.
FIGURE 50-NO3-v3. Vertical distribution of nitrate-nitrogen (g-at/l) along a section from 12 N, 11210' W to Manzanillo, November 4-7, 1967.
FIGURE 50-NO3-v4. Vertical distribution of nitrate-nitrogen (g-at/l) along a section from Acapulco to 12 N, 10510' W, November 11-13, 1967.
FIGURE 50-NO3-v5. Vertical distribution of nitrate-nitrogen (g-at/l) along 10510' W, November 13-18, 1967.
FIGURE 50-NO3-v6. Vertical distribution of nitrate-nitrogen (g-at/l) along 9810' W, November 20-27, 1967.

FIGURE 50-NO2-v1. Vertical distribution of nitrite-nitrogen (g-at/l) along 11910' W, October 20-29, 1967.
FIGURE 50-NO2-v2. Vertical distribution of nitrite-nitrogen (g-at/l) along 11210' W, October 30 - November 4, 1967.
FIGURE 50-NO2-v3. Vertical distribution of nitrite-nitrogen (g-at/l) along a section from 12 N, 11210' W to Manzanillo, November 4-7, 1967.
FIGURE 50-NO2-v4. Vertical distribution of nitrite-nitrogen (g-at/l) along a section from Acapulco to 12 N, 10510' W, November 11-13, 1967.
FIGURE 50-NO2-v5. Vertical distribution of nitrite-nitrogen (g-at/l) along 10510' W, November 13-18, 1967.
FIGURE 50-NO2-v6. Vertical distribution of nitrite-nitrogen (g-at/l) along 9810' W, November 20-27, 1967.

Phytoplankton

FIGURE 50-Ch-vl. Vertical distribution of chlorophyll-a (mg/m3) along 11910' W, October 20-29, 1967.
FIGURE 50-Ph-vl. Vertical distribution of phaeophytin (mg/m3) along 11910' W, October 20-29, 1967.
FIGURE 50-PP-v1. Vertical distribution of primary production (mgC/m3/day) along 11910' W, October 20-29, 1967.
FIGURE 50-Ch-v2. Vertical distribution of chlorophyll-a (mg/m3) along 11210' W, October 30 - November 4, 1967.
FIGURE 50-Ph-v2. Vertical distribution of phaeophytin (mg/m3) along 11210' W, October 30 - November 4, 1967.
FIGURE 50-PP-v2. Vertical distribution of primary production (mgC/m3/day) along 11210' W, October 30 - November 4, 1967.
FIGURE 50-Ch-v3. Vertical distribution of chlorophyll-a (mg/m3) along a section from 12 N, 11210' W to Manzanillo, November 4-7, 1967.
FIGURE 50-Ph-v3. Vertical distribution of phaeophytin (mg/m3) along a section from 12 N, 11210' W to Manzanillo, November 4-7, 1967.
FIGURE 50-PP-v3. Vertical distribution of primary production (mgC/m3/day) along a section from 12 N, 11210' W to Manzanillo, November 4-7, 1967.
FIGURE 50-Ch-v4. Vertical distribution of chlorophyll-a (mg/m3) along a section from Acapulco to 12 N, 10520' W, May 7-10, 1967.
FIGURE 50-Ph-v4. Vertical distribution of phaeophytin (mg/m3) along a section from Acapulco to 12 N, 10520' W, May 7-10, 1967.
FIGURE 50-PP-v4. Vertical distribution of primary production (mgC/m3/day) along a section from Acapulco to 12 N, 10520' W, May 7-10, 1967.
FIGURE 50-Ch-v5. Vertical distribution of chlorophyll-a (mg/m3) along 10510' W, November 13-18, 1967.
FIGURE 50-Ph-v5. Vertical distribution of phaeophytin (mg/m3) along 10510' W, November 13-18, 1967.
FIGURE 50-PP-v5. Vertical distribution of primary production (mgC/m3/day) along 10510' W, November 13-18, 1967.
FIGURE 50-Ch-v6. Vertical distribution of chlorophyll-a (mg/m3) along 9810' W, November 20-27, 1967.
FIGURE 50-Ph-v6. Vertical distribution of phaeophytin (mg/m3) along 9810' W, November 20-27, 1967.
FIGURE 50-PP-v6. Vertical distribution of primary production (mgC/m3/day) along 9810' W, November 20-27, 1967.

Nutrient chemistry

FIGURE OP-P-v1. Vertical distribution of phosphate-phorphorus (g-at/l) along a northeast-southwest section from the coast of Peru to 12 S, 85 W, November 14-15, 1967.
FIGURE OP-P-v2. Vertical distribution of phosphate-phorphorus (g-at/l) along 85 W, November 15-19, 1967.
FIGURE OP-Si-vl. Vertical distribution of silicate-silicon (g-at/l) along a northeast-southwest section from the coast of Peru to 12 S, 85 W, November 14-15, 1967.
FIGURE OP-Si-v2. Vertical distribution of silicate-silicon (g-at/l) along 85 W, November 15-19, 1967.
FIGURE OP-P-v3. Vertical distribution of phosphate-phorphorus (g-at/l) along a northeast-southwest section from the Equator at 85 W to 3 S, 92 W, November 19-21, 1967.
FIGURE OP-P-v4. Vertical distribution of phosphate-phorphorus (g-at/l) along 92 W, November 21-26, 1967.
FIGURE OP-Si-v3. Vertical distribution of silicate-silicon (g-at/l) along a northeast-southwest section from the Equator at 85 W to 3 S, 92 W, November 19-21, 1967.
FIGURE OP-Si-v4. Vertical distribution of silicate-silicon (g-at/l) along 92 W, November 21-26, 1967.
 
FIGURE OP-NO3-v1. Vertical distribution of nitrate-nitrogen (g-at/l) along a northeast-southwest section from the coast of Peru to 12 S, 85 W, November 14-15, 1967.
FIGURE OP-NO3-v2. Vertical distribution of nitrate-nitrogen (g-at/l) along 85 W, November 15-19, 1967.
FIGURE OP-NO2-vl. Vertical distribution of nitrite-nitrogen (g-at/l) along a northeast-southwest section from the coast of Peru to 12 S, 85 W, November 14-15, 1967.
FIGURE OP-NO2-v2. Vertical distribution of nitrite-nitrogen (g-at/l) along 85 W, November 15-19, 1967.
FIGURE OP-NO3-v3. Vertical distribution of nitrate-nitrogen (g-at/l) along a northeast-southwest section from the Equator at 85 W to 3 S, 92 W, November 19-21, 1967.
FIGURE OP-NO3-v4. Vertical distribution of nitrate-nitrogen (g-at/l) along 92 W, November 21-26, 1967.
FIGURE OP-NO2-v3. Vertical distribution of nitrite-nitrogen (g-at/l) along a northeast-southwest section from the Equator at 85 W to 3 S, 92 W, November 19-21, 1967.
FIGURE OP-NO2-v4. Vertical distribution of nitrite-nitrogen (g-at/l) along 92 W, November 21-26, 1967.
 
Phytoplankton

FIGURE OP-Ch-vl. Vertical distribution of chlorophyll-a (mg/m3) along a northeast-southwest section from the coast of Peru to 12 S, 85 W, November 14-15, 1967.
FIGURE OP-Ph-vl. Vertical distribution of phaeophytin (mg/m3) along a northeast-southwest section from the coast of Peru to 12 S, 85 W, November 14-15, 1967.
FIGURE OP-PP-v1. Vertical distribution of primary production (mgC/m3/day) along a northeast-southwest section from the coast of Peru to 12 S, 85 W, November 14-15, 1967.
FIGURE OP-Ch-v2. Vertical distribution of chlorophyll-a (mg/m3) along 85 W, November 15-19, 1967.
FIGURE OP-Ph-v2. Vertical distribution of phaeophytin (mg/m3) along 85 W, November 15-19, 1967.
FIGURE OP-PP-v2. Vertical distribution of primary production (mgC/m3/day) along 85 W, November 15-19, 1967.
FIGURE OP-Ch-v3. Vertical distribution of chlorophyll-a (mg/m3) along a northeast-southwest section from the Equator at 85 W to 3 S, 92 W, November 19-21, 1967.
FIGURE OP-Ph-v3. Vertical distribution of phaeophytin (mg/m3) along a northeast-southwest section from the Equator at 85 W to 3 S, 92 W, November 19-21, 1967.
FIGURE OP-PP-v3. Vertical distribution of primary production (mgC/m3/day) along a northeast-southwest section from the Equator at 85 W to 3 S, 92 W, November 19-21, 1967.
FIGURE OP-Ch-v4. Vertical distribution of chlorophyll-a (mg/m3) along 92 W, November 21-26, 1967.
FIGURE OP-Ph-v4. Vertical distribution of phaeophytin (mg/m3) along 92 W, November 21-26, 1967.
FIGURE OP-PP-v4. Vertical distribution of primary production (mgC/m3/day) along 92 W, November 21-26, 1967.

Nutrient chemistry

FIGURE 60-P-10. Phosphate-phosphorus (g-at/l) at 10 meters, December 1967 - January 1968.
FIGURE 60-Si-10. Silicate-silicon (g-at/l) at 10 meters, December 1967 - January 1968.
FIGURE 60-NO3-10. Nitrate-nitrogen (g-at/l) at 10 meters, December 1967 - January 1968.
FIGURE 60-NO2-10.  Nitrite-nitrogen (g-at/l) at 10 meters, December 1967 - January 1968.
FIGURE 60-NH3-10. Ammonia-nitrogen (g-at/l) at 10 meters, December 1967 - January 1968.
FIGURE 60-P-100. Phosphate-phosphorus (g-at/l) at 100 meters, December 1967 - January 1968.
FIGURE 60-Si-100. Silicate-silicon (g-at/l) at 100 meters, December 1967 - January 1968.
FIGURE 60-NO3-100. Nitrate-nitrogen (g-at/l) at 100 meters, December 1967 - January 1968.
FIGURE 60-NH3-100. Ammonia-nitrogen (g-at/l) at 100 meters, December 1967 - January 1968.

Phytoplankton

FIGURE 60-Ch-s. Chlorophyll-a (mg/m3) at the sea surface, December 1967 - January 1968.
FIGURE 60-Ch-ei. Chlorophyll-a (mg/m2) integrated over the euphotic layer, December 1967 - January 1968.
FIGURE 60-Ch-150i. Chlorophyll-a (mg/m2) integrated from the sea surface to 150 meters depth, December 1967 - January 1968.
FIGURE 60-Ph-150i. Phaeophytin (mg/m2) integrated from the sea surface to 150 meters depth, December 1967 - January 1968.
FIGURE 60-PP-s. Primary production (mgC/m3/day) at the sea surface, December 1967 - January 1968.
FIGURE 60-PP-ei. Primary production (mgC/m2/day) integrated over the euphotic layer, December 1967 - January 1968.
FIGURE 60-EL. Thickness of the euphotic layer in meters, December 1967 - January 1968.

Zooplankton and micronekton

FIGURE 60-FCp. Distribution of standing stock (ml/1000m3) of total fish and cephalopods taken in night micronekton hauls during December 1967 - January 1968.
FIGURE 60-Cr. Distribution of standing stock (ml/1000m3) of total crustaceans taken in night micronekton hauls during December 1967 - January 1968.
FIGURE 60-Nk. Distribution of standing stock (ml/1000m3) of total micronekton taken in night micronekton hauls during December 1967 - January 1968.
FIGURE 60-ZhN. Distribution of standing stock (ml/1000m3) of zooplankton taken in 50-cm net hauls at night, December 1967 - January 1968.
FIGURE 60-Z1N. Distribution of standing stock (ml/1000m3) of zooplankton taken in 1-m net hauls at night, December 1967 - January 1968.
FIGURE 60-ZhD. Distribution of standing stock (ml/1000m3) of zooplankton taken in 50-cm net hauls during the day, December 1967 - January 1968.
FIGURE 60-Z1D. Distribution of standing stock (ml/1000m3) of zooplankton taken in 1-m net hauls during the day, December 1967 - January 1968.

Fish larvae

FIGURE 60-FLN. Total fish larvae (number/haul) taken in 1-m oblique plankton hauls at night during December 1967 - January 1968.
FIGURE 60-FLD. Total fish larvae (number/haul) taken in 1-m oblique plankton hauls during the day, December 1967 - January 1968.
FIGURE 60-FE. Total fish eggs (number/haul) taken in 1-m oblique plankton hauls during December 1967 - January 1968.
FIGURE 60-FS. Total skipjack tuna, Katsuwonus pelamis, larvae (number/haul) taken in 1-m oblique plankton hauls during December 1967 - January 1968.
FIGURE 60-FA. Total frigate mackerel, Auxis, larvae (number/haul) taken in 1-m oblique plankton hauls during December 1967 - January 1968.
FIGURE 60-FC. Total dolphin (fish), Coryphaena, larvae (number/haul) taken in 1-m oblique plankton hauls during December 1967 - January 1968.
FIGURE 60-FMN. Total myctophid larvae (number/haul) taken in 1-m oblique plankton hauls at night during December 1967 - January 1968.
FIGURE 60-FMD. Total myctophid larvae (number/haul) taken in 1-m oblique plankton hauls during the day, December 1967 - January 1968.
FIGURE 60-FGN. Total gonostomatid and sternoptychid larvae (number/haul) taken in 1-m oblique plankton hauls at night during December 1967 - January 1968.
FIGURE 60-FGD. Total gonostomatid and sternoptychid larvae (number/haul) taken in 1-m oblique plankton hauls during the day, December 1967 - January 1968.

Nutrient chemistry

FIGURE 60-P-vl. Vertical distribution of phosphate-phosphorus (g-at/l) along 11845' W, December 21-31, 1967.
FIGURE 60-P-v2. Vertical distribution of phosphate-phosphorus (g-at/l) along 11145' W, January 1-6, 1968.
FIGURE 60-P-v3. Vertical distribution of phosphate-phosphorus (g-at/l) along a section from 12 N, 11145' W to Manzanillo, January 6-9, 1967.
FIGURE 60-P-v4. Vertical distribution of phosphate-phosphorus (g-at/l) along a section from Acapulco to 12 N, 10445' W, January 13-15, 1967.
FIGURE 60-P-v5. Vertical distribution of phosphate-phosphorus (g-at/l) along 10445' W, January 15-21, 1967.
FIGURE 60-P-v6. Vertical distribution of phosphate-phosphorus (g-at/l) along 9745' W, January 22-29, 1967.

FIGURE 60-Si-vl. Vertical distribution of silicate-silicon (g-at/l) along 11845' W, December 21-31, 1967.
FIGURE 60-Si-v2. Vertical distribution of silicate-silicon (g-at/l) along 11145' W, January 1-6, 1968.
FIGURE 60-Si-v3. Vertical distribution of silicate-silicon (g-at/l) along a section from 12 N, 11145' W to Manzanillo, January 6-9, 1967.
FIGURE 60-Si-v4. Vertical distribution of silicate-silicon (g-at/l) along a section from Acapulco to 12 N, 10445' W, January 13-15, 1967.
FIGURE 60-Si-v5. Vertical distribution of silicate-silicon (g-at/l) along 10445' W, January 15-21, 1967.
FIGURE 60-Si-v6. Vertical distribution of silicate-silicon (g-at/l) along 9745' W, January 22-29, 1967.

FIGURE 60-NO3-vl. Vertical distribution of nitrate-nitrogen (g-at/l) along 11845' W, December 21-31, 1967.
FIGURE 60-NO3-v2. Vertical distribution of nitrate-nitrogen (g-at/l) along 11145' W, January 1-6, 1968.
FIGURE 60-NO3-v3. Vertical distribution of nitrate-nitrogen (g-at/l.) along a section from 12 N, 11145' W to Manzanillo, January 6-9, 1967.
FIGURE 60-NO3-v4. Vertical distribution of nitrate-nitrogen (g-at/l) along a section from Acapulco to 12 N, 10445' W, January 13-15, 1967.
FIGURE 60-NO3-v5. Vertical distribution of nitrate-nitrogen (g-at/l) along 10445' W, January 15-21, 1967.
FIGURE 60-NO3-v6. Vertical distribution of nitrate-nitrogen (g-at/l) along 9745' W, January 22-29, 1967.

FIGURE 60-NO2-vl. Vertical distribution of nitrite-nitrogen (g-at/l) along 11845' W, December 21-31, 1967.
FIGURE 60-NO2-v2. Vertical distribution of nitrite-nitrogen (g-at/l) along 11145' W, January 1-6, 1968.
FIGURE 60-NO2-v3. Vertical distribution of nitrite-nitrogen (g-at/l) along a section from 12 N, 11145' W to Manzanillo, January 6-9, 1967.
FIGURE 60-NO2-v4. Vertical distribution of nitrite-nitrogen (g-at/l) along a section from Acapulco to 12 N, 10445' W, January 13-15, 1967.
FIGURE 60-NO2-v5. Vertical distribution of nitrite-nitrogen (g-at/l) along 10445' W, January 15-21, 1967.
FIGURE 60-NO2-v6. Vertical distribution of nitrite-nitrogen (g-at/l) along 9745' W, January 22-29, 1967.

Phytoplankton

FIGURE 60-Ch-vl. Vertical distribution of chlorophyll-a (mg/m3) along 11845' W, December 21-31, 1967.
FIGURE 60-Ph-vl. Vertical distribution of phaeophytin (mg/m3) along 11845' W, December 21-31, 1967.
FIGURE 60-PP-v1. Vertical distribution of primary production (mgC/m3/day) along 11845' W, December 21-31, 1967.
FIGURE 60-Ch-v2. Vertical distribution of chlorophyll-a (mg/m3) along 11145' W, January 1-6, 1968.
FIGURE 60-Ph-v2. Vertical distribution of phaeophytin (mg/m3) along 11145' W, January 1-6, 1968.
FIGURE 60-PP-v2. Vertical distribution of primary production (mgC/m3/day) along 11145' W, January 1-6, 1968.
FIGURE 60-Ch-v3. Vertical distribution of chlorophyll-a (mg/m3) along a section from 12 N, 11145' W to Manzanillo, January 6-9, 1967.
FIGURE 60-Ph-v3. Vertical distribution of phaeophytin (mg/m3) along a section from 12 N, 11145' W to Manzanillo, January 6-9, 1967.
FIGURE 60-PP-v3. Vertical distribution of primary production (mgC/m3/day) along a section from 12 N, 11145' W to Manzanillo, January 6-9, 1967.
FIGURE 60-Ch-v4. Vertical distribution of chlorophyll-a (mg/m3) along a section from Acapulco to 12 N, 10445' W, January 13-15, 1967.
FIGURE 60-Ph-v4. Vertical distribution of phaeophytin (mg/m3) along a section from Acapulco to 12 N, 10445' W, January 13-15, 1967.
FIGURE 60-PP-v4. Vertical distribution of primary production (mgC/m3/day) along a section from Acapulco to 12 N, 10445' W, January 13-15, 1967.
FIGURE 60-Ch-v5. Vertical distribution of chlorophyll-a (mg/m3) along 10445' W, January 15-21, 1967.
FIGURE 60-Ph-v5. Vertical distribution of phaeophytin (mg/m3) along 10445' W, January 15-21, 1967.
FIGURE 60-PP-v5. Vertical distribution of primary production (mgC/m3/day) along 10445' W, January 15-21, 1967.
FIGURE 60-Ch-v6. Vertical distribution of chlorophyll-a (mg/m3) along 9745' W, January 22-29, 1967.
FIGURE 60-Ph-v6. Vertical distribution of phaeophytin (mg/m3) along 9745' W, January 22-29, 1967.
FIGURE 60-PP-v6. Vertical distribution of primary production (mgC/m3/day) along 9745' W, January 22-29, 1967.