Biblioteca Digital

70 resultados para RETURN VARIATION

Variation of P-CO2 along a North Atlantic shipping route (UK to the Caribbean): A year of automated observations

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Seasonal variation in nitrate : phosphate ratios in the English Channel 1923-1987

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Individual variation in the competitive ability of interference-prone foragers: the relative importance of foraging efficiency and susceptibility to interference

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Seasonal variation and estradiol-dependent elevation of Thames estuary eel Anguilla anguilla plasma vitellogenin levels and comparisons with other United Kingdom estuaries

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Latitudinal variation of the balance between plankton photosynthesis and respiration in the eastern Atlantic Ocean

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Variation of antioxidant enzyme activities of sprat (Sprattus sprattus) larvae and organic contaminant levels in mixed zooplankton from the southern North Sea

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Hepatic metallothionein as a biomarker for metal contamination: age effects and seasonal variation in European flounders (Pleuronectes flesus) from the Severn Estuary and Bristol Channel

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Depth variation of bacterial extracellular enzyme activity and population diversity in the northeastern North Atlantic Ocean

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A further biodiversity index applicable to species lists: variation in taxonomic distinctness

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Seasonal variation of MXR and stress proteins in the common mussel Mytilus galloprovincialis

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Seasonal Variation in mussel Mytilus edulis digestive gland cytochrome P4501A-and 2E-immunoidentified protein levels and DNA strand breaks (Comet assay)

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Extreme variation in the concentration of trace metals in sediments and bivalves from the Bilbao estuary (Spain) caused by the 1989-90 drought

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Influence of biota on spatial and temporal variation in sediment erodability and material flux on a tidal flat (Westerschelde The Netherlands)

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Seasonal variation in cytochrome P-450 immunopositive protein levels lipid peroxidation and genetic toxicity in digestive gland of the mussel Mytilus edulis

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Variation of karyotype composition and genome size in some muricid gastropods from the Northern Hemisphere

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