P. Malea et al., THE SHORT-TERM UPTAKE OF COPPER BY THE 2 PARTS OF THE SEAGRASS HALOPHILA-STIPULACEA (FORSK) ASCHERS AND LEAF-CELLS VIABILITY, Fresenius environmental bulletin, 4(2), 1995, pp. 117-122
At the lower Cu levels (10(-6) up to 10(-9) mol l-1) three stages of u
ptake by Halophila stipulacea were identified with a rapid initial rat
e, slowly decreasing on the 8th day, after which an equilibrium was st
abilized or elimination of an amount of Cu was observed. The ''limit''
concentrations increased with those in the seawater. At 10(-4) and 10
(-5) mol l-1 solutions both plant parts continued to take up copper. T
he leaves accumulated higher Cu concentrations than the below parts. I
n the leaves of the seagrass the first signs of toxicity were noted af
ter 8 days in ''teeth'' cells with the ''epidermal'' ones following.