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Table 1 Mean ± standard deviation for the contents of ash (%), lignin (%), holocellulose (%), and total extractives (%) of wood from the three dominant tree species in Amazonian mangroves. Rm: Rhizophora mangle; Ag: Avicennia germinans; Lr: Laguncularia racemosa; p: significance level; n.s.: not significant

From: Chemical, physical, and mechanical wood properties of Rhizophora mangle L., Avicennia germinans (L.) L., and Laguncularia racemosa (L.) C.F. Gaertn. on the Brazilian Amazon coast

Species

Ash

Lignin

Holocellulose

Total Extractives

Lr

1.7 ± 0.3

23.7 ± 2.4

60.2 ± 3.3

14.5 ± 2.1

Ag

2.3 ± 0.5

20.7 ± 4.4

62.7 ± 9.5

14.4 ± 2.1

Rm

0.8 ± 0.1

24.9 ± 3.3

70.0 ± 2.4

4.3 ± 1.8

P

 < 0.05

n.s

n.s

 < 0.05