Table 1 Mean monthly value with standard deviation (±) of temperature (°C), salinity, nutrient concentrations (μM) and chlorophyll a (mg m⁻³) at coastal and open sea area

Temperature (°C)

Coastal sea

13.47 ± 1.59

11.16 ± 0.57

10.61 ± 0.86

13.30 ± 1.17

17.18 ± 1.93

18.72 ± 2.74

19.81 ± 3.47

19.30 ± 3.42

21.27 ± 1.55

20.28 ± 1.82

17.55 ± 1.74

15.10 ± 1.30

Open sea

14.86 ± 0.29

13.38 ± 0.52

13.50 ± 0.24

15.22 ± 0.80

16.67 ± 1.97

16.78 ± 3.72

18.11 ± 3.51

17.81 ± 4.59

17.44 ± 3.75

18.41 ± 1.69

18.02 ± 1.35

15.72 ± 0.33

Salinity

Coastal sea

37.11 ± 4.02

37.71 ± 0.69

37.35 ± 1.07

37.16 ± 0.86

36.73 ± 3.63

37.26 ± 3.28

37.61 ± 1.10

37.40 ± 2.24

37.78 ± 1.77

38.03 ± 0.90

37.24 ± 4.14

36.09 ± 6.36

Open sea

38.58 ± 0.26

38.65 ± 0.22

38.71 ± 0.01

38.19 ± 0.71

38.55 ± 0.36

38.68 ± 0.19

38.59 ± 0.32

38.67 ± 0.34

38.78 ± 0.15

38.65 ± 0.10

38.66 ± 0.07

38.54 ± 0.12

Nitrate (μM)

Coastal sea

3.53 ± 6.88

1.04 ± 0.60

1.35 ± 0.71

0.36 ± 0.29

0.74 ± 2.85

0.40 ± 1.13

0.64 ± 1.08

0.92 ± 1.47

0.82 ± 1.63

1.00 ± 2.10

2.24 ± 5.87

4.08 ± 9.58

Open sea

2.03 ± 0.47

1.30 ± 0.81

0.71 ± 0.19

0.32 ± 0.37

0.64 ± 0.63

0.30 ± 0.59

0.49 ± 0.26

0.95 ± 0.72

0.77 ± 0.78

0.46 ± 0.65

0.35 ± 0.22

0.47 ± 0.19

Nitrite (μM)

Coastal sea

0.29 ± 0.18

0.37 ± 0.24

0.16 ± 0.10

0.11 ± 0.07

0.10 ± 0.06

0.05 ± 0.03

0.04 ± 0.05

0.07 ± 0.10

0.10 ± 0.17

0.09 ± 0.19

0.16 ± 0.17

0.25 ± 0.15

Open sea

0.19 ± 0.12

0.21 ± 0.09

0.16 ± 0.05

0.13 ± 0.06

0.10 ± 0.02

0.09 ± 0.02

0.10 ± 0.03

0.07 ± 0.06

0.05 ± 0.03

0.05 ± 0.05

0.06 ± 0.04

0.13 ± 0.02

Ammonium (μM)

Coastal sea

1.12 ± 0.54

0.80 ± 0.35

0.68 ± 0.22

1.27 ± 0.27

1.62 ± 2.89

0.59 ± 0.28

0.69 ± 0.72

2.05 ± 3.75

0.79 ± 0.52

0.68 ± 0.33

5.06 ± 9.37

1.18 ± 0.73

Open sea

1.25 ± 0.33

0.95 ± 0.41

0.79 ± 0.32

1.58 ± 0.32

1.17 ± 0.65

0.57 ± 0.35

0.60 ± 0.45

0.56 ± 0.45

0.43 ± 0.32

0.65 ± 0.12

0.41 ± 0.18

0.91 ± 0.39

Soluble reactive phosphate-SRP (μM)

Coastal sea

0.04 ± 0.03

0.05 ± 0.02

0.04 ± 0.01

0.07 ± 0.02

0.05 ± 0.05

0.07 ± 0.03

0.07 ± 0.02

0.08 ± 0.19

0.06 ± 0.09

0.05 ± 0.06

0.06 ± 0.06

0.04 ± 0.03

Open sea

0.03 ± 0.02

0.03 ± 0.01

0.03 ± 0.01

0.05 ± 0.01

0.07 ± 0.01

0.07 ± 0.02

0.03 ± 0.02

0.04 ± 0.02

0.10 ± 0.45

0.06 ± 0.06

0.16 ± 0.07

0.03 ± 0.01

Chl a (mg m⁻³⁾

Coastal sea

0.44 ± 0.35

0.39 ± 0.26

0.38 ± 0.14

0.55 ± 0.40

0.35 ± 0.69

0.27 ± 0.43

0.20 ± 0.25

0.26 ± 0.27

0.75 ± 0.73

0.74 ± 0.74

0.73 ± 0.58

0.52 ± 0.59

Open sea

0.08 ± 0.01

0.10 ± 0.03

0.13 ± 0.02

0.14 ± 0.04

0.06 ± 0.03

0.05 ± 0.06

0.06 ± 0.05

0.09 ± 0.07

0.11 ± 0.08

0.18 ± 0.05

0.20 ± 0.07

0.19 ± 0.04