J. Gelbrecht

Publications68
h-index23
Citations1,939
Highly Influential Citations138
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Phosphorus Retention at the Redox Interface of Peatlands Adjacent to Surface Waters in Northeast Germany
It is demanded currently in public discussions to rewet peatlands and re-establish their function as nutrient sinks. But due to high phosphorus (P) concentrations in the pore water of rewetted… Expand
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Agriculture has changed the amount and composition of dissolved organic matter in Central European headwater streams.
Dissolved organic matter (DOM) is an important part of the global carbon cycle and significantly influences aquatic ecosystem functions. Recent studies suggest that its amount and composition in… Expand
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Phosphorus mobilization in rewetted fens: the effect of altered peat properties and implications for their restoration.
Rewetting of drained fens is necessary to stop further soil degradation and to reestablish important ecological functions. However, substantial changes of peat characteristics in the upper soil… Expand
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Treatment of rainbow trout farm effluents in constructed wetland with emergent plants and subsurface horizontal water flow
The objective of this research was to investigate treatment of aquaculture effluents of flow-through systems in created wetlands. The constructed wetlands types used in this study were subsurface… Expand
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RELATIONSHIPS BETWEEN LITTORAL DIATOMS AND THEIR CHEMICAL ENVIRONMENT IN NORTHEASTERN GERMAN LAKES AND RIVERS 1
We explored statistical relationships between the composition of littoral diatom assemblages and 21 chemical and physical environmental variables in 69 lakes and 15 river sites in the lowland of… Expand
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Characterization of dissolved organic carbon (DOC) in a dystrophic lake and an adjacent fen
Dissolved organic carbon (DOC), humicsubstances (HS), polysaccharides (PS) and lowmolecular weight acids (LMWA) werecharacterized in water from the dystrophicLake Große Fuchskuhle over a period… Expand
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Classification of dissolved organic carbon (DOC) in river systems: Influence of catchment characteristics and autochthonous processes
Abstract Dissolved organic carbon (DOC) in surface waters is influenced by natural and anthropogenic allochthonous sources in the catchment and by autochthonous production and degradation processes.… Expand
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The mobilisation of phosphorus, organic carbon and ammonium in the initial stage of fen rewetting (a case study from NE Germany)
Currently, more than 10,000 ha of fens have been rewetted to re-establish their function as nutrient sinks in NE Germany. However, field investigations reveal that porewater concentrations of P,… Expand
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Constructed wetlands with free water surface for treatment of aquaculture effluents
Summary The aim of the study was to determine the reduction of the overall environmental load (in terms of organic and nutrient load) in effluents of a flow-through trout farm. Effluents of a… Expand
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Temporal and spatial variation of phosphorus input, retention and loss in a small catchment of NE Germany
Eutrophication of surface water due to phosphorus input from diffuse sources is a major problem in most European countries. Information on origin and pathways of phosphorus is needed in order to… Expand
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