|Use of Enteromorpha intestinalis (Chlorophyceae) for active biomonitoring of heavy metals in the Weser estuary|
Müller, M.; Schirmer, M.; Kettler, J. (1993). Use of Enteromorpha intestinalis (Chlorophyceae) for active biomonitoring of heavy metals in the Weser estuary. Neth. J. Aquat. Ecol. 27: 189-195
In: Netherlands Journal of Aquatic Ecology. Kluwer Academic Publishers/Netherlands Society of Aquatic Ecology: Bilthoven. ISSN 1380-8427, more
|Also published as |
- Müller, M.; Schirmer, M.; Kettler, J. (1993). Use of Enteromorpha intestinalis (Chlorophyceae) for active biomonitoring of heavy metals in the Weser estuary, in: Meire, P. et al. (Ed.) Marine and Estuarine Gradients: ECSA 21: Proceedings of the 21st Symposium of the Estuarine and Coastal Sciences Association held in Gent, 9-14 september 1991. Netherlands Journal of Aquatic Ecology, 27(2-4): pp. 189-195, more
|Authors|| || Top |
- Müller, M.
- Schirmer, M.
- Kettler, J.
The present study was planned to assess the validity of Enteromorpha intestinalis for an active biomonitoring of heavy metals in the Weser estuary. Exposure of cultured algae (active biomonitoring) was carried out in 1987 and 1988, simultaneously Enteromorpha spp. was collected from the banks (passive monitoring) in the estuary. Cd, Pb, Ni, Zn and Cu contents of exposed algae were higher than the metal content of collected algae. Metal contents of both collected and field algae varied significantly over space and time. Bioconcentration factors and results of linear regression analysis indicate, that the bioavailability of Cu and Ni varies with regard to the sampling location but cannot be calculated from heavy metal concentration in the water. Due to the different metal and species specific bioavailability, we want to stress the need to monitor contamination of organisms directly. An active biomonitoring using E. intestinalis will establish a rationale to compare contamination of different estuaries.