1969
DOI: 10.1111/j.1095-8649.1969.tb03843.x
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A Preliminary Study of the Feeding Relationships of Fish in a Hard‐water and a Soft‐water Stream in Southern England

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Cited by 57 publications
(49 citation statements)
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“…In both species the mean repletion in summer was significantly higher than in winter, indicating a higher feeding activity in that time of the year. In summer, fish need more food for the basal metabolism and also to cover the increase in the growth rate related to higher temperatures (MANN & ORR, 1969;WOTTON et al, 1980). In general, the differences in the food consumed resulted in a low diet overlap between species.…”
Section: Discussionmentioning
confidence: 99%
“…In both species the mean repletion in summer was significantly higher than in winter, indicating a higher feeding activity in that time of the year. In summer, fish need more food for the basal metabolism and also to cover the increase in the growth rate related to higher temperatures (MANN & ORR, 1969;WOTTON et al, 1980). In general, the differences in the food consumed resulted in a low diet overlap between species.…”
Section: Discussionmentioning
confidence: 99%
“…In the Scorff river basin, sympatric populations of these species can occur in the main river (BAGLINIÈRE and ARRIBE-MOUTOUNET, 1985) and in tributaries, where they are the predominant species with eel (BAGLINIÈRE, 1979). Some field and experimental studies have been concentrated on the potential overlap of diets and/or habitat requirements (MAITLAND, 1965;MANN and ORR, 1969;LIEN, 1981 ;NEVEU, 1981 ;BALTZ et al, 1982;WELTON et al, 1983;GLOVA, 1987;BROWN, 1991), but little is known about the temporal aspect of habitat use. On a seasonal scale, habitat shifts are closely related to the life history of species, like ontogenetic changes in habitat requirements (ELLIOTT, 1986 ;BAGLINIÈRE era/., 1989 ;BALTZ et al, 1991 ;SEMPESKI and GAUDIN, 1995 ;KOCIK and TAYLOR, 1996), spawning (BAGLINIÈRE era/., 1987 ;MEYERS et al, 1992) and overwintering migration (CUNJAK and POWER, 1986 ;SWALES ef a/., 1986 ;BROWN and MACKAY, 1995), whereas diel habitat shifts usually correspond to circadian rhythms of resting and feeding activities (CAMPBELL and NEUNER, 1985 ;KWAK et al, 1992 ;HEGGENES era/., 1993 ;ROUSSEL and BARDONNET, 1996).…”
Section: Discussionmentioning
confidence: 99%
“…En général, on admet l'existence d'une certaine sélection au niveau des groupes taxonomiques présents dans le milieu (BERG et GRIMANDI, 1966;RAE, 1967;MANN e;ORR, 1969). Cette sélection pourrait aussi être le reflet des équipements morphologiques et sensoriels limitant l'accessibilité des proies et les potentialités des prédateurs Nous croyons plus volontiers à un problème d'accessibilité qu'à un problème de disponibilité.…”
Section: Discussion Et Conclusionunclassified