Characteristics of six cladocerans in relation to ecotoxicity testing
Article
Article Title | Characteristics of six cladocerans in relation to ecotoxicity testing |
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ERA Journal ID | 3231 |
Article Category | Article |
Authors | Wu, Yonggui (Author), Lin, Chuxia (Author) and Yuan, Ling (Author) |
Journal Title | Ecological Indicators |
Journal Citation | 7 (4), pp. 768-775 |
Number of Pages | 8 |
Year | 2007 |
Publisher | Elsevier |
Place of Publication | Amsterdam, Netherlands |
ISSN | 1470-160X |
1872-7034 | |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.ecolind.2006.09.001 |
Abstract | Investigation was made to compare some biological characteristics relevant to ecotoxicity testing among six cladoceran species, including Daphnia magna, Daphnia carinata, Daphnia pulex, Ceriodaphnia quadrangular, Bosmina longirostris, and Simocephalus vetulus. The results show that D. carinata had advantages over other cladoceran species for being used as a test organism, particularly for ecotoxicological assessment of aquatic environments in tropical and subtropical areas. D. carinata had similar body size and total number of offspring per female to D. magna. However, D. carinata was more sensitive to the reference toxicant and had much shorter reproduction cycle than D. magna. D. carinata had similarity to D. pulex, C. quadrangular, S. vetulus and B. longirostris in terms of sensitivity to the reference toxicant and length of reproduction cycle. However, D. carinata was much larger in size and produced much more offspring per female than any of D. pulex, C. quadrangular, S. vetulus and B. longirostris. Among the investigated cladocerans, only the neonates (2- and 4-day-old) of D. carinata exhibited phototaxis that was sufficiently remarkable. The low among-generation variation in phototaxis index (Ip) of D. carinata and the close relationship between Ip and the concentration of the ISO standard toxicant (K2Cr2O7) appears to suggest that Ip can be used as an excellent test endpoint for ecotoxicity testing. |
Keywords | bioassay; biological characteristics; cladoceran; ecotoxicity; phototactic behavior; test endpoint; biodiversity; aquatic environment; crustacean; ecotoxicology; phototaxis; reproductive cycle; toxicity test |
ANZSRC Field of Research 2020 | 310304. Freshwater ecology |
370104. Atmospheric composition, chemistry and processes | |
410404. Environmental management | |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | South China Agricultural University, China |
Southwest Agricultural University, China | |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q0q40/characteristics-of-six-cladocerans-in-relation-to-ecotoxicity-testing
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