Zoological Studies

Table 3 CCA: correlation matrix of environmental variables with the first two axes

From: Abundance and diversity of amphipods (Crustacea: Peracarida) on shallow algae and seagrass in lagoonal ecosystem of the Mediterranean Tunisian coast

	F1	F2
Temperature (°C)	−0.344	−0.096
Salinity (psu)	−0.188	−0.816
Dissolved oxygen (mg.l⁻¹)	−0.273	0.209
pH	−0.079	0.964
Turbidity (NTU)	0.244	1.140
NO⁻ ₂ (μmol.l⁻¹)	−0.574	−1.038
NO⁻ ₃ (μmol.l⁻¹)	0.223	0.905
PO³⁻ ₄ (μmol.l⁻¹)	0.119	0.195
Chl a (μg.l⁻¹)	−0.106	2.022

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