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John D. Armstrong

Researcher at Marine Scotland

Publications -  167
Citations -  8708

John D. Armstrong is an academic researcher from Marine Scotland. The author has contributed to research in topics: Salmo & Population. The author has an hindex of 51, co-authored 165 publications receiving 8192 citations. Previous affiliations of John D. Armstrong include University of Glasgow & University of St Andrews.

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Habitat requirements of Atlantic salmon and brown trout in rivers and streams

TL;DR: It is prudent to accept that although manipulations of habitat may appear to be beneficial when considered locally, they should be measured and assessed where possible in terms of the production of returning adults and/or high quality smolts.
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What causes intraspecific variation in resting metabolic rate and what are its ecological consequences

TL;DR: It is demonstrated that diverse factors, such as genotypes, maternal effects, early developmental conditions and personality differences contribute to variation in individual RMR, and that the fitness consequences of a given RMR may be context-dependent.
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The natural control of salmon and trout populations in streams

TL;DR: In this article, a review of the current understanding of factors controlling salmonid populations in streams and how this contributes to better fisheries management is presented, with an emphasis on understanding the uncertainties and risks inherent in modelling wild populations.
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Coronavirus mRNA synthesis involves fusion of non-contiguous sequences.

TL;DR: Positive‐stranded genomic RNA of coronavirus MHV and its six subgenomic mRNAs are synthesized in the cytoplasm of the host cell by a mechanism which appears to involve an unusual and specific ‘polymerase jumping’ event.
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Physiological effects of dominance hierarchies: laboratory artefacts or natural phenomena?

TL;DR: The need is identified for a well structured experimental approach to the investment of the causes and consequences of hierarchies if the ecology of wild fish is to be modelled eectively based on physiological processes and it is suggested that the further development and application of techniques for monitoring physiologies of fish in the wild is important.