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. 2016 Nov 28;6:37785. doi: 10.1038/srep37785

Table 1. Mean ± SE (n) of the internodal length (cm y−1) of the main axis of Avicennia marina trees over five consecutive phonological years in five populations sampled in the Central Red Sea.

Location 1st (2014–2015) 2nd (2013–2014) 3rd (2012–2013) 4th (2011–2012) 5th (2010–2011) Average Total, cm
Khor Alkharara,b 41.99 ± 2.75 (48)a 46.24 ± 3.68 (26)a 28.50 ± 4.87 (3)a 34.50 ± 13.00 (2)a   42.69 (79)
Economic cityc 26.70 ± 1.71 (75)a 28.59 ± 2.17 (57)a 27.11 ± 2.71 (19)a 29.51 ± 7.59 (6)a   27.54 (157)
Petro Rabighb 38.29 ± 2.37 (50)a 43.03 ± 2.98 (35)a 36.22 ± 5.10 (10)a 29.4 (1)a   39.71 (96)
Thuwal-Islanda,b 43.85 ± 2.92 (52)a 45.09 ± 2.88 (43)a 50.29 ± 5.60 (15)a 52.63 ± 20.88 (2)a   45.34 (112)
*Thuwal-kausta   49.35 ± 4.38 (30)a 48.44 ± 3.39 (26)a 54.56 ± 6.02 (13)a 44.75 ± 19.75 (2)a 49.84 (71)

The annual growth was calculated as the sum of internodal lengths produced during each annual cycle. The letters correspond to Tukey posthoc HSD multiple comparison testing for significant differences between years for each location, the same letters means no significant differences within one location (P > 0.05).

*The measurements in Thuwal-Kaust were conducted one year earlier than those at other locations.