Zooplankton vertical distribution and migration off Central Peru in relation to the oxygen minimum layer

Table 3 Spearman rank correlation matrix for the main abiotic parameters and the most abundant taxa. Values are only for shown for significant correlations (p < 0.05)

	Depth	Oxygen (ml l³)	Chlorophyll a (μl l⁻¹)	Temp.	Salinity
Acartia tonsa adults	−0.52	NS	NS	NS.	−0.2
A. tonsa copepodids	NS	NS	NS	NS	NS
A. tonsa nauplii	NS	NS	NS	NS	NS
Calanus sp. adults	NS	NS	NS	0.22	0.3
Calanus copepodids	−0.39	NS	NS	0.4	0.43
Centropages brachiatus adults	−0.3	0.52	NS	NS	NS
Eucalanus inermis adults and copep.	0.33	NS	NS	NS	NS
Eucalanus inermis nauplii	0.28	NS	NS	NS	NS
Coryceus dubius adults	NS	0.35	0.54	0.41	0.35
Paracalanus parvus adults and copep.	NS	0.3	0.4	0.31	0.28
Hemicyclops thalassius adults	NS	NS	NS	−0.2	NS
Oithona sp. adults	NS	0.34	0.51	0.39	0.49
Oncaea venusta adults	0.25	NS	NS	NS	0.23
Discinisca lamellosa larvae	−0.28	NS	NS	NS	NS
Limacina sp. adults	NS	0.27	NS	NS	NS
Magelona sp. larvae	NS	−0.35	−0.51	−0.29	NS
Oikopleura sp.adults	−0.34	NS	NS	NS	−0.25
Pleopis polyphemoides adults	−0.38	NS	NS	NS.	0.43

ISSN: 1438-3888