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A comparison of the short-term toxicity of cadmium to indigenous and alien gammarid species

(2012) ECOTOXICOLOGY. 21(4). p.1135-1144
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Abstract
Amphipods play an important role in many aquatic ecosystems and are commonly used in ecotoxicology and ecosystem health assessment. Several alien gammarids have been introduced in many regions of the world during the last decades. In this study, we investigated if differences in cadmium sensitivity occurred between (1) different species belonging to the family Gammaridae and (2) different populations of the same species originating from a polluted or a non-polluted site. The acute cadmium toxicity to two indigenous (Gammarus pulex and Gammarus fossarum) and four alien (Dikerogammarus villosus, Echinogammarus berilloni, Gammarus roeseli and Gammarus tigrinus) gammarids occurring in Belgium was tested. Significant differences (P < 0.05) in median lethal concentrations (LC50) were found between the different species, with 72 h-LC50s ranging from 6.3 to 268 μg/l and 96 h-LC50s from 4.7 to 88.9 μg/l. No clear trend in Cd sensitivity was found when comparing indigenous and alien gammarids. D. villosus, an alien invasive species, was the most sensitive to Cd toxicity and E. berilloni, another alien species, the least sensitive. In addition, larger Gammarid species were more sensitive to Cd toxicity than smaller ones. No significant differences were found between populations of the same species originating from metal polluted sites or non-polluted sites. Overall, our results showed that considerable differences in Cd sensitivity exist between gammarid species, which should be taken into consideration in environmental risk assessment and water quality standard setting. Finally, our data suggest that alien gammarids would not have an advantage over indigenous gammarids in Cd contaminated environments.
Keywords
Acute toxicity, Alien species, Cadmium, Gammarids, FRESH-WATER AMPHIPOD, PULEX L, DIKEROGAMMARUS-VILLOSUS, CRUSTACEA-AMPHIPODA, DAPHNIA-MAGNA, BEHAVIORAL-RESPONSES, GENETIC-VARIATION, FLANDERS BELGIUM, SPP. CRUSTACEA, HEAVY-METALS

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Citation

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Chicago
Boets, Pieter, Koen Lock, Peter Goethals, Colin Janssen, and Karel De Schamphelaere. 2012. “A Comparison of the Short-term Toxicity of Cadmium to Indigenous and Alien Gammarid Species.” Ecotoxicology 21 (4): 1135–1144.
APA
Boets, P., Lock, K., Goethals, P., Janssen, C., & De Schamphelaere, K. (2012). A comparison of the short-term toxicity of cadmium to indigenous and alien gammarid species. ECOTOXICOLOGY, 21(4), 1135–1144.
Vancouver
1.
Boets P, Lock K, Goethals P, Janssen C, De Schamphelaere K. A comparison of the short-term toxicity of cadmium to indigenous and alien gammarid species. ECOTOXICOLOGY. 2012;21(4):1135–44.
MLA
Boets, Pieter, Koen Lock, Peter Goethals, et al. “A Comparison of the Short-term Toxicity of Cadmium to Indigenous and Alien Gammarid Species.” ECOTOXICOLOGY 21.4 (2012): 1135–1144. Print.
@article{2045480,
  abstract     = {Amphipods play an important role in many aquatic ecosystems and are commonly used in ecotoxicology and ecosystem health assessment. Several alien gammarids have been introduced in many regions of the world during the last decades. In this study, we investigated if differences in cadmium sensitivity occurred between (1) different species belonging to the family Gammaridae and (2) different populations of the same species originating from a polluted or a non-polluted site. The acute cadmium toxicity to two indigenous (Gammarus pulex and Gammarus fossarum) and four alien (Dikerogammarus villosus, Echinogammarus berilloni, Gammarus roeseli and Gammarus tigrinus) gammarids occurring in Belgium was tested. Significant differences (P {\textlangle} 0.05) in median lethal concentrations (LC50) were found between the different species, with 72 h-LC50s ranging from 6.3 to 268 \ensuremath{\mu}g/l and 96 h-LC50s from 4.7 to 88.9 \ensuremath{\mu}g/l. No clear trend in Cd sensitivity was found when comparing indigenous and alien gammarids. D. villosus, an alien invasive species, was the most sensitive to Cd toxicity and E. berilloni, another alien species, the least sensitive. In addition, larger Gammarid species were more sensitive to Cd toxicity than smaller ones. No significant differences were found between populations of the same species originating from metal polluted sites or non-polluted sites. Overall, our results showed that considerable differences in Cd sensitivity exist between gammarid species, which should be taken into consideration in environmental risk assessment and water quality standard setting. Finally, our data suggest that alien gammarids would not have an advantage over indigenous gammarids in Cd contaminated environments.},
  author       = {Boets, Pieter and Lock, Koen and Goethals, Peter and Janssen, Colin and De Schamphelaere, Karel},
  issn         = {1573-3017},
  journal      = {ECOTOXICOLOGY},
  keyword      = {Acute toxicity,Alien species,Cadmium,Gammarids,FRESH-WATER AMPHIPOD,PULEX L,DIKEROGAMMARUS-VILLOSUS,CRUSTACEA-AMPHIPODA,DAPHNIA-MAGNA,BEHAVIORAL-RESPONSES,GENETIC-VARIATION,FLANDERS BELGIUM,SPP. CRUSTACEA,HEAVY-METALS},
  language     = {eng},
  number       = {4},
  pages        = {1135--1144},
  title        = {A comparison of the short-term toxicity of cadmium to indigenous and alien gammarid species},
  url          = {http://dx.doi.org/10.1007/s10646-012-0868-5},
  volume       = {21},
  year         = {2012},
}

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