1984
DOI: 10.3354/meps015091
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Effects of temperature and food availability on growth, survival, and RNA-DNA ratio of larval sand lance (Ammodytes americanus)

Abstract: Beginning 2, 19, and 30 d after hatching, larvae of sand lance Arnmodytes americanus were reared for 1 or 2 wk between 2 and 9 "C in the absence of food and at nominal feeding levels of 200 to 1,000 rotifers 1-' (0.16 to 0.80 cal I-'). Mortality of all age groups was unaffected by temperature. The mean daily instantaneous mortality coefficient of newly hatched larvae was 0.01 to Day 16 and was unaffected by feeding level. Mean daily instantaneous mortality coefficients of older larvae ranged from 0.2 to 0.02 a… Show more

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Cited by 91 publications
(59 citation statements)
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“…RNA serves as the machinery required for protein synthesis and the amounts of RNA present have been shown to be directly related to the rate of protein synthesis (Munro & Fleck 1966, Kayes 1979. Work on larval fish by Buckley (1979Buckley ( , 1980Buckley ( , 1982Buckley ( , 1984, Buckley et al (1984) and Wright & Martin (1985) have shown the technique to be rapidly responsive to changes in growth rate, and capable of providing immediate data on growth rate. These properties render the technique particularly suitable for assessing stress in field populations although prior laboratory calibrating is necessary.…”
Section: Of the University Of Maryland Center For Environmental And Ementioning
confidence: 99%
“…RNA serves as the machinery required for protein synthesis and the amounts of RNA present have been shown to be directly related to the rate of protein synthesis (Munro & Fleck 1966, Kayes 1979. Work on larval fish by Buckley (1979Buckley ( , 1980Buckley ( , 1982Buckley ( , 1984, Buckley et al (1984) and Wright & Martin (1985) have shown the technique to be rapidly responsive to changes in growth rate, and capable of providing immediate data on growth rate. These properties render the technique particularly suitable for assessing stress in field populations although prior laboratory calibrating is necessary.…”
Section: Of the University Of Maryland Center For Environmental And Ementioning
confidence: 99%
“…Clemmesen (1994) reported that fed and starved herring (Clupea harengus) larvae (>10 d) could be distinguished only after 3 to 4 days. Other than that, it has been shown that flatfish larvae are more resistant to starvation (Clemmesen, 1987;Yin and Blaxter, 1987) than species with small eggs and yolk-sac larvae, such as Engraulis mordax (Lasker et al, 1970), Paralichtys californicus and Hypsopsetta guttulata (Gadomski and Petersen, 1988), and than species carrying larger yolk reserves, such as Clupea harengus (Blaxter and Hempel, 1963) and Ammodytes americanus (Buckley et al, 1984). Richard et al (1991) studied the effect of starvation on RNA/DNA ratio in Solea solea larvae and concluded that the time of beginning of starvation was an important factor.…”
Section: Effect Of Starvation On Growth and Rna/dna Ratiomentioning
confidence: 99%
“…Additionally, diel variation in water temperature has been suggested as potentially influencing the RNA:DNA ratio; the only study that we are aware of that explicitly examined this failed to find that temperature variation had an effect on diel variations in biochemical condition in Sciaenops ocellatus (Rooker & Holt 1996). Food availability, more than temperature, has also been shown to affect growth and the expression of the RNA:DNA ratio (Buckley et al 1984), suggesting that, as long as temperature differences between treatments are comparable, fish growth and the RNA:DNA ratio are appropriate indicators of habitat quality.…”
Section: Growth Indicesmentioning
confidence: 98%
“…Additionally, diel variation in water temperature has been suggested as potentially influencing the RNA:DNA ratio; the only study that we are aware of that explicitly examined this failed to find that temperature variation had an effect on diel variations in biochemical condition in Sciaenops ocellatus (Rooker & Holt 1996). Food availability, more than temperature, has also been shown to affect growth and the expression of the RNA:DNA ratio (Buckley et al 1984), suggesting that, as long as temperature differences between treatments are comparable, fish growth and the RNA:DNA ratio are appropriate indicators of habitat quality.Because of its dependence on body weight, the relative DNA content index was able to detect growth changes when significant changes in weight occurred, but this index does not appear to be a very sensitive or useful indicator. During the field collection experiment, although relative DNA content showed a significant relationship that corresponded to the loss of weight in reference fish, the indicator provided no additional information that would have provided a more comprehensive view of fish growth in discretely caught wild fish.…”
mentioning
confidence: 98%