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Do non-native pumpkinseed Lepomis gibbosus affect the growth, diet and trophic niche breadth of native brown trout Salmo trutta?
Jackson, M. C.; Britton, J. R.; Cucherousset, J.; Guo, Z.; Stakenas, S.; Gozlan, R. E.; Godard, M. G.; Roussel, J. -M.; Copp, G. H.; Copp, GH (reprint author), Bournemouth Univ, Fac Sci & Technol, Dept Life & Environm Sci, Poole BH12 5BB, Dorset, England.; Copp, GH (reprint author), Ctr Environm Fisheries & Aquaculture Sci, Salmon & Freshwater Team, Pakefield Rd, Lowestoft NR33 0HT, Suffolk, England.
2016
Source PublicationHYDROBIOLOGIA
Volume772Issue:1Pages:63-75
AbstractBrown trout Salmo trutta Linnaeus, 1758, is a priority species for conservation and management efforts in many European countries. In its native range, interactions with non-native fishes often adversely affect somatic growth rates and population abundances. Consequences of introduced North American pumpkinseed Lepomis gibbosus (Linnaeus, 1758) for native S. trutta were examined in stream stretches with and without L. gibbosus. Data for somatic growth rates and trophic niche breadth (using stable isotope analyses) provided little evidence of L. gibbosus presence being detrimental for S. trutta. Shifts in S. trutta diet at all sites were associated with increased piscivory with increasing body length, with no evidence to suggest that interspecific resource competition with L. gibbosus structured the food web or affected trophic positions. Three years later, and following L. gibbosus removal, data revealed slight shifts in the food web at each site, but these related to shifts in resources at the bottom of the food chain rather than a response to L. gibbosus removal. Consequently, the ecological consequences of L. gibbosus for S. trutta in the study stream were minimal, with S. trutta populations responding more to natural mechanisms regulating their populations than to the presence of this non-native fish species.
Department[Jackson, M. C.; Britton, J. R.; Cucherousset, J.; Guo, Z.; Gozlan, R. E.; Copp, G. H.] Bournemouth Univ, Fac Sci & Technol, Dept Life & Environm Sci, Poole BH12 5BB, Dorset, England; [Jackson, M. C.] Univ Pretoria, Ctr Invas Biol, Dept Zool & Entomol, ZA-0002 Pretoria, Gauteng, South Africa; [Cucherousset, J.; Stakenas, S.; Godard, M. G.; Copp, G. H.] Ctr Environm Fisheries & Aquaculture Sci, Salmon & Freshwater Team, Pakefield Rd, Lowestoft NR33 0HT, Suffolk, England; [Cucherousset, J.] Univ Toulouse 3, Lab Evolut & Divers Biol, CNRS, ENFA,UMR EDB 5174, 118 Route Narbonne, F-31062 Toulouse, France; [Guo, Z.] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Guangdong, Peoples R China; [Stakenas, S.] Vilnius State Univ, Inst Ecol, Dept Freshwater Ecol, Akad 2, LT-08412 Vilnius, Lithuania; [Gozlan, R. E.] UPMC, MNHN, Unite Mixte Rech Biol Organismes & Ecosyst Aquat, IRD 207,CNRS 7208, Paris, France; [Godard, M. G.] AECOM, 50 Sportsworld Crossing Rd,Unit 290, Kitchener, ON N2P 0A4, Canada; [Roussel, J. -M.] INRA, Agrocampus Ouest, Ecol & Sante Ecosyst, 65 Rue St Brieuc, F-35042 Rennes, France ; LMB
KeywordStable Isotope Analysis Alien Species Environmental Impacts Introduced Species Circular Statistics Ecological Consequences Small Streams
Subject AreaMarine & Freshwater Biology
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/15416
Collection中科院海洋生物资源可持续利用重点实验室
Corresponding AuthorCopp, GH (reprint author), Bournemouth Univ, Fac Sci & Technol, Dept Life & Environm Sci, Poole BH12 5BB, Dorset, England.; Copp, GH (reprint author), Ctr Environm Fisheries & Aquaculture Sci, Salmon & Freshwater Team, Pakefield Rd, Lowestoft NR33 0HT, Suffolk, England.
Recommended Citation
GB/T 7714
Jackson, M. C.,Britton, J. R.,Cucherousset, J.,et al. Do non-native pumpkinseed Lepomis gibbosus affect the growth, diet and trophic niche breadth of native brown trout Salmo trutta?[J]. HYDROBIOLOGIA,2016,772(1):63-75.
APA Jackson, M. C..,Britton, J. R..,Cucherousset, J..,Guo, Z..,Stakenas, S..,...&Copp, GH .(2016).Do non-native pumpkinseed Lepomis gibbosus affect the growth, diet and trophic niche breadth of native brown trout Salmo trutta?.HYDROBIOLOGIA,772(1),63-75.
MLA Jackson, M. C.,et al."Do non-native pumpkinseed Lepomis gibbosus affect the growth, diet and trophic niche breadth of native brown trout Salmo trutta?".HYDROBIOLOGIA 772.1(2016):63-75.
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