Studies on the chemistry of interstitial water taken from defined horizons in the fine sediments of bivalve habitats in several northern German lowland waters I: Sampling techniques

The freshwater pearl mussel Margaritifera margaritifera has declined across its range but current knowledge of its physical habitat requirements falls short of that needed to confidently guide habitat management and conservation programmes. This paper critically reviews knowledge of the physical habitat requirements of M. margaritifera and sets out a research agenda to address existing knowledge gaps. Present information on the hydraulic, sedimentary and oxygen requirements of M. margaritifera is based largely on descriptive or correlative field studies. Consequently, little is known of the processes that control the correlations observed between habitat conditions and pearl mussel abundance. Furthermore, a pressing concern is the need for standardization of field and laboratory techniques, notably in the context of sediment and hyporheic dissolved oxygen, where the variety of field and analytical techniques applied to date limits transferability. The review identifies nine important research questions and outlines approaches from environmental hydraulics, fluvial geomorphology and fisheries ecology that can be used to address them. Research specifically focused on the role of high and low discharges may help elucidate the hydrological, fluvial and bio‐energetic processes that influence M. margaritifera distribution and recruitment. Research is also needed to assess the role of mussels as engineers. The review outlines opportunities to apply new approaches to improve characterization of physical habitat conditions and assess how these conditions influence mussels. Improved characterization will provide a firm evidence base for habitat management and mussel conservation. Copyright © 2014 John Wiley & Sons, Ltd.

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A review of the physical habitat requirements and research priorities needed to underpin conservation of the endangered freshwater pearl mussel Margaritifera margaritifera

Quinlan

Gibbins

Malcolm

et al. 2014

Aquatic Conservation

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Status and conservation of the giant European freshwater pearl mussel (Margaritifera auricularia) (Spengler, 1793) (Bivalvia: Unionoidea)

Araújo

Ramos

2000

Biological Conservation

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Abiotic features and macroinvertebrate colonization of the hyporheic zones of two tributaries of the river Elbe (Germany)

2003

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Studies on the chemistry of interstitial water taken from defined horizons in the fine sediments of bivalve habitats in several northern German lowland waters I: Sampling techniques

Cited by 8 publications

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A review of the physical habitat requirements and research priorities needed to underpin conservation of the endangered freshwater pearl mussel Margaritifera margaritifera

A review of the physical habitat requirements and research priorities needed to underpin conservation of the endangered freshwater pearl mussel Margaritifera margaritifera

Status and conservation of the giant European freshwater pearl mussel (Margaritifera auricularia) (Spengler, 1793) (Bivalvia: Unionoidea)

Abiotic features and macroinvertebrate colonization of the hyporheic zones of two tributaries of the river Elbe (Germany)

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