Development, validation and field application of an RNA‐based growth index in juvenile plaice Pleuronectes platessa

B. J. Ciotti; T. E. Targett; R. D.M. Nash; R. S. Batty; M. T. Burrows; A. J. Geffen

doi:10.1111/j.1095-8649.2010.02786.x

Development, validation and field application of an RNA‐based growth index in juvenile plaice Pleuronectes platessa

B. J. Ciotti^*, T. E. Targett, R. D.M. Nash, R. S. Batty, M. T. Burrows, A. J. Geffen

^*Corresponding author for this work

School of Biological and Marine Sciences

Research output: Contribution to journal › Article › peer-review

Abstract

A general mechanism relating RNA concentration and growth rate is derived from four physiological assumptions and developed into a growth index for juvenile plaice Pleuronectes platessa. The index describing instantaneous growth rates (G, day−1) in the laboratory with the lowest Akaike information criterion with small‐sample bias adjustment was a function of RNA concentration (R, ), temperature (T, ° K), body mass (M, g) and DNA concentration (D, ): G = β0 + βRR + βTT + βT2T2 + βMM + βDD + βRTRT. RNA concentration began to respond to changes in feeding conditions within 8 days, suggesting that the index reflects growth rate in the short‐term. Furthermore, the index distinguished between rapid growth and negative growth of juvenile P. platessa measured directly in laboratory and field enclosures, respectively. An application of the RNA‐based growth index at two beaches on the west coast of Scotland suggested that the growth of juvenile P. platessa varies considerably in space and time and is submaximum in late summer.

Original language	English
Pages (from-to)	2181-2209
Number of pages	0
Journal	Journal of Fish Biology
Volume	77
Issue number	10
Early online date	3 Nov 2010
DOIs	https://doi.org/10.1111/j.1095-8649.2010.02786.x
Publication status	Published - Dec 2010

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title = "Development, validation and field application of an RNA‐based growth index in juvenile plaice Pleuronectes platessa",

abstract = "A general mechanism relating RNA concentration and growth rate is derived from four physiological assumptions and developed into a growth index for juvenile plaice Pleuronectes platessa. The index describing instantaneous growth rates (G, day−1) in the laboratory with the lowest Akaike information criterion with small‐sample bias adjustment was a function of RNA concentration (R, ), temperature (T, ° K), body mass (M, g) and DNA concentration (D, ): G = β0 + βRR + βTT + βT2T2 + βMM + βDD + βRTRT. RNA concentration began to respond to changes in feeding conditions within 8 days, suggesting that the index reflects growth rate in the short‐term. Furthermore, the index distinguished between rapid growth and negative growth of juvenile P. platessa measured directly in laboratory and field enclosures, respectively. An application of the RNA‐based growth index at two beaches on the west coast of Scotland suggested that the growth of juvenile P. platessa varies considerably in space and time and is submaximum in late summer.",

author = "Ciotti, {B. J.} and Targett, {T. E.} and Nash, {R. D.M.} and Batty, {R. S.} and Burrows, {M. T.} and Geffen, {A. J.}",

year = "2010",

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doi = "10.1111/j.1095-8649.2010.02786.x",

language = "English",

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AU - Ciotti, B. J.

AU - Targett, T. E.

AU - Nash, R. D.M.

AU - Batty, R. S.

AU - Burrows, M. T.

AU - Geffen, A. J.

PY - 2010/12

Y1 - 2010/12

N2 - A general mechanism relating RNA concentration and growth rate is derived from four physiological assumptions and developed into a growth index for juvenile plaice Pleuronectes platessa. The index describing instantaneous growth rates (G, day−1) in the laboratory with the lowest Akaike information criterion with small‐sample bias adjustment was a function of RNA concentration (R, ), temperature (T, ° K), body mass (M, g) and DNA concentration (D, ): G = β0 + βRR + βTT + βT2T2 + βMM + βDD + βRTRT. RNA concentration began to respond to changes in feeding conditions within 8 days, suggesting that the index reflects growth rate in the short‐term. Furthermore, the index distinguished between rapid growth and negative growth of juvenile P. platessa measured directly in laboratory and field enclosures, respectively. An application of the RNA‐based growth index at two beaches on the west coast of Scotland suggested that the growth of juvenile P. platessa varies considerably in space and time and is submaximum in late summer.

AB - A general mechanism relating RNA concentration and growth rate is derived from four physiological assumptions and developed into a growth index for juvenile plaice Pleuronectes platessa. The index describing instantaneous growth rates (G, day−1) in the laboratory with the lowest Akaike information criterion with small‐sample bias adjustment was a function of RNA concentration (R, ), temperature (T, ° K), body mass (M, g) and DNA concentration (D, ): G = β0 + βRR + βTT + βT2T2 + βMM + βDD + βRTRT. RNA concentration began to respond to changes in feeding conditions within 8 days, suggesting that the index reflects growth rate in the short‐term. Furthermore, the index distinguished between rapid growth and negative growth of juvenile P. platessa measured directly in laboratory and field enclosures, respectively. An application of the RNA‐based growth index at two beaches on the west coast of Scotland suggested that the growth of juvenile P. platessa varies considerably in space and time and is submaximum in late summer.

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M3 - Article

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EP - 2209

JO - Journal of Fish Biology

JF - Journal of Fish Biology

IS - 10

ER -

Development, validation and field application of an RNA‐based growth index in juvenile plaice Pleuronectes platessa

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