Ochre Pollution as an Ecological Problem in the Aquatic Environment - Solution Attempts from Denmark
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Ochre Pollution as an Ecological Problem in the Aquatic Environment - Solution Attempts from Denmark

Ochre Pollution as an Ecological Problem in the Aquatic Environment - Solution Attempts from Denmark


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About the Book

With her paper "Ochre Pollution as an Ecological Problem in the Aquatic Environment - Solution Attempts from Denmark" the german environmental biologist Hilke Prange presents an important topic, which - perhaps caused by its chronic appearance and difficult improvement measures - is mostly neglected in german watercourses` activities. Different reasons, such as draining of agricultural fields, disturb the soil-water-equilibrium and lead to heavy flows of dissolved iron into watercourses. Here, by oxygenation, the iron precipitates and cloggs interstitial space in gravel beds, thus killing e.g. developing salmonid eggs and fry. Furthermore water plants are disturbed, altering their species numbers and abundance. Acute pressure results by flushing the drain pipes, thus setting free iron sludges. Hard maintenance practice furthermore enhances the deterioration of the aquatic habitats. Extreme iron peak-concentrations occur during such activities and depress fauna and flora. Species diversity, productivity and self-purification potential of the watercourses are hindered in their development. Denmark has a long time span of positive experience from improvement works, enhanced by a specific "Ochre Law". In co-operation with Danish colleagues Hilke Prange elaborated an impressive presentation. This monographic view closes a gap, transporting best practice for the expert in the field as well as for scientists, too. With the European Water Framework Directive in mind this is an important contribution on the way to the good ecological status and / or the good ecological potential.
About the Author: 1976 im Landkreis Nienburg geboren, absolvierte ich vorerst eine landwirtschaftliche Ausbildung im Bereich Pflanzenzüchtung und arbeitete anschließend zwei Jahre im Bereich nachwachsende Rohstoffe. Das Studium der Umweltbiologie gab mir Gelegenheit meine bisherigen Erfahrungen mit einer verstärkt ökologischen Sichtweise zu betrachten und insbesondere in Sachen Fließgewässer weiter auszubauen. Während meines Auslandsjahres in Großbritannien sammelte ich weitere Erfahrungen unter anderem über die Umsetzung der EG-WRRL und im praktischen Naturschutz. Die Frage nach Ursachen für "rote Gewässer" beschäftigte mich schon seit langem, kann man sie doch in Niedersachsen (und andernorts) häufig antreffen. Am Ende meiner Projektarbeit zur Relevanz der Verockerung für die Umsetzung der WRRL war klar: Handlungsbedarf in N/W-Deutschland ist da und Erfahrungen sind auch da - in Dänemark. Die Arbeit mit der Verockerung entspricht meiner Art, möglichst alles wissen und einbeziehen zu wollen ("Das ist halt Ökologie."), hat mich aber auch mehr als alles andere gelehrt, dass man nie auslernt. Die Diplomarbeit beschreibt verschiedene Ansätze aus der dänischen Praxis sowohl zur Symptom- als auch zur Ursachenbekämpfung. Sie zeigt aber auch, dass weiter überlegt werden muss. Es braucht also fächerübergreifenden und im besten Fall internationalen Austausch, um Wasser wieder blau zu machen!


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Product Details
  • ISBN-13: 9783833466328
  • Publisher: Books on Demand
  • Binding: Paperback
  • Language: English
  • Returnable: N
  • Spine Width: 5 mm
  • Weight: 227 gr
  • ISBN-10: 3833466324
  • Publisher Date: 31 Jan 2007
  • Height: 254 mm
  • No of Pages: 94
  • Series Title: English
  • Sub Title: Verockerung als gewässerökologisches Problem - Lösungsansätze aus Dänemark -
  • Width: 178 mm


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