Biblioteca Digital

932 resultados para fecal indicator bacteria

The ecological relations between the herring and the plankton investigated with the plankton indicator. Part III. The zooplankton-herring correlations in the Scottish fisheries

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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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Relation of bacteria to diatoms in sea water

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A wire-angle indicator for use when towing plankton nets

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Note on the technique of making bacteria-free cultures of marine diatoms

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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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On the use of antibiotics for isolating bacteria-free cultures of marine phytoplankton organisms

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

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The importance of bacteria in laboratory experiments on rearing the larvae of Ostrea edulis (L.)

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Studies on Ectocarpus in culture. I. Introduction and methods of obtaining uni-algal and bacteria-free cultures

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Studies on Ectocarpus in culture. II. Growth and nutrition of a bacteria-free culture

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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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Relative Significance Of Phytoplankton Bacteria And Plant Detritus As Carbon And Nitrogen Resources For The Kelp Bed Filter-Feeder Choromytilus-Meridionalis

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Direct Counting Of Bacteria Preserved With Lugol Iodine Solution

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