Figure 4
From: Tidal variability of water quality parameters in a mesotidal estuary (Sado Estuary, Portugal)
Principal component analysis (PCA) considering the data collected under neap tide and spring tide conditions. Samples classified according to the month of the data collection (May/18, Nov/18 and Jun/19) and the sampling station. T temperature, S salinity, %DO dissolved oxygen, SPM suspended particulate matter, Chl_a chlorophyll a and Si silicate Si(OH)4. The figure was produced using PRIMER 6 (6.1.16) + PERMANOVA (1.0.6) software from PRIMER-e (https://www.primer-e.com/).
