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Biological influences on inter- and intraspecific isotopic variability among paired chondrostome fishes

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Biological influences on inter- and intraspecific isotopic variability among paired chondrostome fishes. / Durbec, Martial; Thea, Bénédicte Nguyen ; Grey, Jonathan; Harrod, Christopher; Stolzenberg, Nicolas; Chappaz, Rémi ; Cavalli, Laurent.

In: Comptes Rendus Biologies, Vol. 333, No. 8, 08.2010, p. 613-621.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Durbec, M, Thea, BN, Grey, J, Harrod, C, Stolzenberg, N, Chappaz, R & Cavalli, L 2010, 'Biological influences on inter- and intraspecific isotopic variability among paired chondrostome fishes', Comptes Rendus Biologies, vol. 333, no. 8, pp. 613-621. https://doi.org/10.1016/j.crvi.2010.05.002

APA

Durbec, M., Thea, B. N., Grey, J., Harrod, C., Stolzenberg, N., Chappaz, R., & Cavalli, L. (2010). Biological influences on inter- and intraspecific isotopic variability among paired chondrostome fishes. Comptes Rendus Biologies, 333(8), 613-621. https://doi.org/10.1016/j.crvi.2010.05.002

Vancouver

Durbec M, Thea BN, Grey J, Harrod C, Stolzenberg N, Chappaz R et al. Biological influences on inter- and intraspecific isotopic variability among paired chondrostome fishes. Comptes Rendus Biologies. 2010 Aug;333(8):613-621. https://doi.org/10.1016/j.crvi.2010.05.002

Author

Durbec, Martial ; Thea, Bénédicte Nguyen ; Grey, Jonathan ; Harrod, Christopher ; Stolzenberg, Nicolas ; Chappaz, Rémi ; Cavalli, Laurent. / Biological influences on inter- and intraspecific isotopic variability among paired chondrostome fishes. In: Comptes Rendus Biologies. 2010 ; Vol. 333, No. 8. pp. 613-621.

Bibtex

@article{9ffe78137e0f46ce968b3cb1b4d470fd,
title = "Biological influences on inter- and intraspecific isotopic variability among paired chondrostome fishes",
abstract = "This study aimed at examining resource partitioning both at the inter- and intraspecific levels between paired chondrostome fishes: Chondrostoma nasus, the nase, C. toxostoma, the sofie, and their hybrid. The study was performed in the south of France and concerned a main river (the Durance River) and a tributary (the Buech River). In these rivers, C. nasus was an introduced species, originating in central Europe, and C. toxostoma was an endemic congener, in the south of France. Stable isotope analysis was used to analyse trophic and spatial niches. Isotopic differences indicated that individuals from the three taxa (C. nasus, C. toxostoma and their hybrid) have different spatial origins. At the interspecific level, the different chondrostomes originating from the Buech River showed a high level of trophic niche overlap. At the intraspecific level, nase individuals originating from the different spatial origins showed a resource polymorphism; differences in morphology were associated with variation in behaviour and life history traits. Their coexistence was a likely outcome of resource polymorphism. This study provides an example of the importance of considering the link between intra- and interspecific interactions to gain an understanding of the mechanisms driving the coexistence of species-pairs.",
keywords = "Chondrostome paired species, Stable isotopes, Trophic overlap, Resource polymorphism, Coexistence mechanism, Hybrids",
author = "Martial Durbec and Thea, {B{\'e}n{\'e}dicte Nguyen} and Jonathan Grey and Christopher Harrod and Nicolas Stolzenberg and R{\'e}mi Chappaz and Laurent Cavalli",
year = "2010",
month = aug,
doi = "10.1016/j.crvi.2010.05.002",
language = "English",
volume = "333",
pages = "613--621",
journal = "Comptes Rendus Biologies",
issn = "1631-0691",
publisher = "Elsevier Masson",
number = "8",

}

RIS

TY - JOUR

T1 - Biological influences on inter- and intraspecific isotopic variability among paired chondrostome fishes

AU - Durbec, Martial

AU - Thea, Bénédicte Nguyen

AU - Grey, Jonathan

AU - Harrod, Christopher

AU - Stolzenberg, Nicolas

AU - Chappaz, Rémi

AU - Cavalli, Laurent

PY - 2010/8

Y1 - 2010/8

N2 - This study aimed at examining resource partitioning both at the inter- and intraspecific levels between paired chondrostome fishes: Chondrostoma nasus, the nase, C. toxostoma, the sofie, and their hybrid. The study was performed in the south of France and concerned a main river (the Durance River) and a tributary (the Buech River). In these rivers, C. nasus was an introduced species, originating in central Europe, and C. toxostoma was an endemic congener, in the south of France. Stable isotope analysis was used to analyse trophic and spatial niches. Isotopic differences indicated that individuals from the three taxa (C. nasus, C. toxostoma and their hybrid) have different spatial origins. At the interspecific level, the different chondrostomes originating from the Buech River showed a high level of trophic niche overlap. At the intraspecific level, nase individuals originating from the different spatial origins showed a resource polymorphism; differences in morphology were associated with variation in behaviour and life history traits. Their coexistence was a likely outcome of resource polymorphism. This study provides an example of the importance of considering the link between intra- and interspecific interactions to gain an understanding of the mechanisms driving the coexistence of species-pairs.

AB - This study aimed at examining resource partitioning both at the inter- and intraspecific levels between paired chondrostome fishes: Chondrostoma nasus, the nase, C. toxostoma, the sofie, and their hybrid. The study was performed in the south of France and concerned a main river (the Durance River) and a tributary (the Buech River). In these rivers, C. nasus was an introduced species, originating in central Europe, and C. toxostoma was an endemic congener, in the south of France. Stable isotope analysis was used to analyse trophic and spatial niches. Isotopic differences indicated that individuals from the three taxa (C. nasus, C. toxostoma and their hybrid) have different spatial origins. At the interspecific level, the different chondrostomes originating from the Buech River showed a high level of trophic niche overlap. At the intraspecific level, nase individuals originating from the different spatial origins showed a resource polymorphism; differences in morphology were associated with variation in behaviour and life history traits. Their coexistence was a likely outcome of resource polymorphism. This study provides an example of the importance of considering the link between intra- and interspecific interactions to gain an understanding of the mechanisms driving the coexistence of species-pairs.

KW - Chondrostome paired species

KW - Stable isotopes

KW - Trophic overlap

KW - Resource polymorphism

KW - Coexistence mechanism

KW - Hybrids

U2 - 10.1016/j.crvi.2010.05.002

DO - 10.1016/j.crvi.2010.05.002

M3 - Journal article

VL - 333

SP - 613

EP - 621

JO - Comptes Rendus Biologies

JF - Comptes Rendus Biologies

SN - 1631-0691

IS - 8

ER -