Effect of digestion on the d13C and d15N of fish-gut contents

Guelinckx, J.; Dehairs, F.; Ollevier, F.; Ollevier, F.

doi:/10.1111/j.1095-8649.2007.01692.x

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Effect of digestion on the d¹³C and d¹⁵N of fish-gut contents

Guelinckx, J.; Dehairs, F.; Ollevier, F. (2008). Effect of digestion on the d¹³C and d¹⁵N of fish-gut contents. J. Fish Biol. 72(1): 301-309. dx.doi.org/10.1111/j.1095-8649.2007.01692.x

In: Journal of Fish Biology. Fisheries Society of the British Isles: London,New York,. ISSN 0022-1112; e-ISSN 1095-8649

Related to:

Guelinckx, J.; Dehairs, F.; Ollevier, F. (2008). Effect of digestion on the d¹³C and d¹⁵N of fish-gut contents, in: Guelinckx, J. Estuarine habitat use by a goby species: a geochemical approach = Estuarien habitatgebruik door een grondelsoort: een geochemische benadering. pp. 25-31, more

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VLIZ: Open Marine Archive 131089 [ download pdf ]

Keywords

Digestion
Feeding experiments
Food conversion
Isotopes > Carbon isotopes
Isotopes > Nitrogen isotopes
Stomach content
Pomatoschistus minutus (Pallas, 1770) [WoRMS]; Pomatoschistus minutus (Pallas, 1770) [WoRMS]
Marine/Coastal

Author keywords

assimilation; carbon and nitrogen stable isotopes; Pomatoschistus minutus; stomach content analysis; trophic enrichment

Authors		Top
Guelinckx, J. Dehairs, F., more Ollevier, F.

Abstract

Gut contents of sand goby Pomatoschistus minutus showed higher C and N isotope values than the food before consumption. This enrichment was more pronounced in the hindgut than in the foregut, probably because of preferential assimilation of ¹²C and ¹⁴N along the gastro-intestinal tract. The results indicated that the shift towards higher values in the alimentary canal occurs in the first 2 h after feeding.

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