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Worms and wetland water: The role of lumbricids and enchytraeids in nutrient release from flooded grassland ecosystems

Nathalie Plum

ISBN 978-3-8325-1105-0
209 pages, year of publication: 2006
price: 40.50 €
The present thesis approaches the question about the role of soil fauna, in particular annelid worms (Oligochaeta: Lumbricidae, Enchytraeidae), on nutrient mobilisation during an inundation. Four laboratory experiments shed light on the annelids? impact on nutrient dynamics in floodwater. Terrestrial-aquatic microcosms were composed of undisturbed soil cores and river water from the field. These microcosms were inoculated with natural densities of earthworms and/or enchytraeids. A two-year field survey in three floodplain meadows in Northern Germany shows the strong dynamics of annelid populations with alternating hydrological extremes (floods and drought). A literature review compares survival strategies of soil invertebrates in flooded grassland.

Keywords:
  • Ökosystemforschung
  • Überflutung
  • Nährstoffdynamik
  • Regenwürmer
  • Enchytraeiden

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40.50 €