Table 2 Physical and chemical characteristics of soil samples from two mangrove species of three different areas under four seasons in the year 2022–2023.

From: Seasonal dynamics of thraustochytrids in mangrove rhizospheres for microbial interactions, PUFA production

Source

Temperature (º C)

pH

Pore water Salinity (ppt)

Redox potential (mV)

Total Organic Carbon (mgC.g− 1 soil)

Sand (%)

Silt (%)

Clay (%)

Nitrogen (g.m− 2)

Phosphorus (g.m− 2)

Potassium (g.m− 2)

Mangrove site

Vellar

25.45 ± 1.8

7.50 ± 0.22

27.36 ± 2.78

106.76 ± 11.95

2.66 ± 0.37

58.04 ± 9.5

16.88 ± 5.3

24.88 ± 4.2

9.93 ± 1.69

3.72 ± 0.89

112.70 ± 4.82

Pichavaram

26.14 ± 1.6

7.66 ± 0.34

27.54 ± 3.32

111.91 ± 15.70

2.70 ± 0.38

56.96 ± 6.8

16.60 ± 5.8

26.37 ± 1.4

10.27 ± 1.9

4.11 ± 0.80

114.47 ± 5.46

Ariyankuppam

25.63 ± 1.9

7.73 ± 0.35

28.29 ± 2.96

97.56 ± 12.16

3.07 ± 0.59

57.46 ± 6.9

16.46 ± 4.4

26.00 ± 3.0

9.06 ± 1.51

2.59 ± 0.49

86.21 ± 9.28

Mangrove species

R. apiculata

25.80 ± 1.84

7.66 ± 0.32

27.68 ± 3.32

105.45 ± 14.58

2.84 ± 0.37

57.53 ± 7.80

16.69 ± 5.21

25.78 ± 3.20

9.79 ± 1.80

3.50 ± 0.98

104.51 ± 4.75

A. marina

25.68 ± 1.83

7.60 ± 0.34

27.77 ± 2.78

105.37 ± 14.59

2.78 ± 0.38

57.45 ± 7.82

16.60 ± 5.24

25.71 ± 3.20

9.72 ± 1.80

3.44 ± 0.99

104.42 ± 4.74

Season of analysis

Pre-monsoon

25.43 ± 1.10

7.65 ± 0.35

26.16 ± 1.13

90.95 ± 10.83

2.61 ± 0.30

67.86 ± 3.6

10.03 ± 2.0

21.96 ± 3.2

8.33 ± 0.58

2.82 ± 0.69

101.05 ± 14.65

Monsoon

23.96 ± 1.20

7.34 ± 0.13

24.60 ± 1.2

110.99 ± 8.97

2.39 ± 0.35

48.41 ± 2.4

23.30 ± 1.1

28.15 ± 1.2

10.84 ± 1.7

3.16 ± 0.86

98.76 ± 15.44

Post-monsoon

25.68 ± 1.50

7.65 ± 0.28

28.53 ± 1.66

117.42 ± 11.97

2.93 ± 0.26

53.31 ± 1.5

18.79 ± 1.5

27.81 ± 1.7

11.29 ± 1.2

3.66 ± 0.82

112.52 ± 11.27

Summer

27.90 ± 0.73

7.87 ± 0.24

31.64 ± 1.55

102.27 ± 10.87

3.30 ± 0.47

60.36 ± 1.2

14.46 ± 1.2

25.08 ± 0.9

8.57 ± 1.03

4.26 ± 0.93

105.52 ± 14.09

Site

NS

*

*

**

**

NS

NS

**

**

**

**

Species

NS

NS

NS

NS

NS

NS

NS

NS

NS

NS

NS

Season

**

**

**

**

**

**

**

**

**

**

**

  1. Values not sharing a common superscript differ significantly at p > 0.05; ** = p < 0.01;* = p < 0.05; NS = Not Significant.
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