959 resultados para indicator

The ecological relations between the herring and the plankton investigated with the plankton indicator. Part IV. The relation between catches of herring and phytoplankton collected by the plankton indicator

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The ovary as an indicator of the spawning period in fishes

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A wire-angle indicator for use when towing plankton nets

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The spawning of mackerel, Scomber scombrus L., and pilchard, Clupea pilchardus Walbaum, in the Celtic Sea in 1937-39. with observations on the zooplankton indicator species, Sagitta and Muggiaea

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The boar fish, Capros aper (L.), as a possible biological indicator of water movement

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Variations In The Natural Abundance Of N-15 In Estuarine Suspended Particulate Matter - A Specific Indicator Of Biological Processing

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Thalassiothrix-Longissima An Oceanic Indicator Species In The North-Sea

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Kinetic-Studies Of The Glycolytic-Enzymes From The Mantle And Posterior Adductor Muscle Of The Common Mussel Mytilus-Edulis-L And Use Of Activity Ratio (Vm/V) As An Indicator Of Apparent Km

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Metallothionein in liver of eels Anguilla anguilla from the Thames Estuary: an indicator of environmental quality?

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The structure and taxonomic composition of sublittoral meiofauna assemblages as an indicator of the status of marine environments

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Mysids and trace metals: disruption of swimming as a behavioural indicator of environmental contamination

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Sibling species in the marine pollution indicator genus Pontonema Leidy (Nematoda : Oncholaimidae) with a description of P-mediterranea sp nov.

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Organic carbon content of sediments as an indicator of stress in the marine benthos

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Titrating excess nitrogen content of phosphorous-deficient eastern Mediterranean surface water using alkaline phosphatase activity as a bio-indicator

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The application of an indicator based on taxonomic distinctness for UK marine biodiversity assessments

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