The earthworm (Lumbricidae family) can be used in many ecotoxicological tests as a bio indicator and as a soil index in organic agriculture. Earthworms show the greatest rate of metals accumulation among all other species of terrestrial ecosystems. The main objective of our study was to study the accumulation of alluminum in the tissues of the earthworms from organic fields.
Earthworms have been collected from organic fields, in Central Greece and were separated into 4 groups and hatched for a period of 8 weeks in receptacles with soil substrate of various Al concentrations (0, 1000, 2000, 4000 mg kg -1 of soil) following randomized block experiment design. The measurement of Al concentration in their tissues was conducted via the method of individual absorption. According to the above results no change in the concentration of alluminum in the animal tissues is observed in relation with the alluminum concentration increase in the soil. A higher accumulation of alluminum in the tissues was observed only when the Al concentration in the soil was also the highest (4000mg kg-1).
Copyright: | © Aristotle University of Thessaloniki |
Quelle: | 2nd International Conference 2009 (Juni 2009) |
Seiten: | 4 |
Preis: | € 5,00 |
Autor: | L. Dellaporta E. Vavoulidou-Theodorou D. Bilalis I.E. Tzortzi |
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Hochlauf der Wasserstoffwirtschaft
© Lexxion Verlagsgesellschaft mbH (8/2024)
Überblick über und Diskussion der Maßnahmen zum beschleunigten Ausbau
der Wasserstoffinfrastruktur in Deutschland
Die innerstaatliche Umsetzung des Pariser Klimaschutzübereinkommens
- ein Rechtsvergleich
© Lexxion Verlagsgesellschaft mbH (8/2024)
Like all public international law treaties, the Paris Climate Accords rely on national law for their implementation. The success of the agreement therefore depends, to a large extent, on the stepstaken or not taken by national governments and legislators as well as on the instruments and mechanisms chosen for this task. Against this background, the present article compares different approaches to the implementation of the Paris Agreement, using court decisions as a means to assess their (legal) effectiveness.
Klimaschutzrecht und Erzeugung erneuerbarer Energien in der Schweiz
© Lexxion Verlagsgesellschaft mbH (8/2024)
Verschachtelte Gesetzgebung unter politischer Ungewissheit