Morphophysiological Traits of Gray Mangrove (Avicennia marina (Forsk.) Vierh.) at Different Levels of Soil Salinity

Table 4

Pigments and relative water content of mangrove leaves at the study sites.

Site	Season	RWC; (%)	Pigments (mg of fresh weight)
			Total Chl	Chl (a)	Chl (b)	Chl (a/b)	(CAR)
Tubli	Summer	68.63 ± 0.45 b	0.74 ± 0.03 c	0.59 ± 0.03 bc	0.16 ± 0.01 d	3.66 ± 0.06 a	0.21 ± 0.01b
	Winter	81.83 ± 0.89 a	0.55 ± 0.02 d	0.42 ± 0.02 e	0.13 ± 0.02 d	4.26 ± 0.86 a	0.14 ± 0.01 c
Sitra (1)	Summer	69.97 ± 0.39 b	1.07 ± 0.06 a	0.69 ± 0.05 a	0.38 ± 0.026 a	1.86 ± 0.12 b	0.25 ± 0.01 a
	Winter	81.41 ± 0.89 a	0.71 ± 0.02 c	0.46 ± 0.04 de	0.25 ± 0.018 c	1.83 ± 0.23 b	0.14 ± 0.011 c
Sitra (2)	Summer	69.12 ± 0.36 b	0.93 ± 0.06 b	0.62 ± 0.04 ab	0.31 ± 0.03 b	2.08 ± 0.15 b	0.25 ± 0.011 a
	Winter	80.38 ± 0.70 a	0.67 ± 0.03 c	0.51 ± 0.03 cd	0.16 ± 0.01 d	3.30 ± 0.08 a	0.19 ± 0.01b
p value		<0.0001	0.0643	0.1623	0.0034	0.2568	0.0095
mean		75.2 ± 0.4	0.77 ± 0.02	0.55 ± 0.02	0.23 ± 0.01	2.83 ± 0.19	0.19 ± 0.01

Levels not connected with the same letter are significantly different (p ≤ 0.05).