E. crassipes had the highest significant rate of heavy
metals in vegetal tissues with the exception for Cr and
Ni during the dry season and for Zn during both seasons
with no significant difference (p>0.05, n=9) among
species (Table 4). When each species was compared
between seasons, T. domingensis had significantly
higher Al and Mn rates (p<0.05, n=6) during the dry
season and higher Cu and Fe rates during the rainy one
(p<0.05, n=6). C. giganteus had significantly higher
(p<0.05, n=6) Cu, Fe, and Ni rates during the dry
season, except Mn, which was higher (p<0.05, n=6)
during the rainy one. E. crassipes retained the highest
metal concentrations during rainy season (p<0.05, n=
6), with the exception of Zn, with no significant difference
(p>0.05, n=6) (Table 4).
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