Table 1.

Concentration of crustacean zooplankton (individuals m⁻³) caught in the WP-II net during the day and night. The estimates in each interval are the average of two replicates sampled

Depth (m)	Calanus sp.	Oithona sp.	Chiridius sp.	Metridia sp.	Para/Pseudo/Microcalanus sp.	Acartia sp.	Ostracoda	Other	Total
Day
0–50	5	30	2	1	23	94	0	5	160
50–100	6	61	1	0	2	2	1	2	75
100–200	4	24	1	3	2	0	0	1	35
200–300	34	91	12	8	9	1	3	11	169
300–400	9	11	2	4	4	0	3	4	37
Night
0–50	7	147	3	3	38	43	0	12	253