Laboratory and field evaluation of a behavioural bioassay—The Gammarus pulex (L.) precopula separation (GaPPS) test
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Cited by (46)
The effects of wastewater effluent on multiple behaviours in the amphipod, Gammarus pulex
2020, Environmental PollutionCitation Excerpt :The precopulatory disruption assay was established by Poulton and Pascoe (1990) who proposed that the time taken for precopula amphipods to separate is indirectly correlated with the concentration of pollutant to which they are exposed. As a measure of toxicity variations on this test have been repeatedly used in measuring the effect of heavy metals (Poulton and Pascoe, 1990; McCahon and Poulton, 1991), herbicides (Pascoe et al., 1994), and pesticides (Malbouisson et al., 1995; Cold and Forbes, 2004; Negro et al., 2013; Pedersen et al., 2013) and they all concur that re-pairing is less likely after exposure to toxins. The results of the current study show interestingly the opposite, male Gammarus exposed to either effluents took significantly less time to pair than controls.
The contribution of a niche-based approach to ecological risk assessment: Using macroinvertebrate species under multiple stressors
2014, Environmental PollutionCitation Excerpt :By contrast, we observed a greater proportion of larger-sized individuals in the site most contaminated by metals (76% of individuals ≥6 mm), which could result from an impact on reproduction or a greater vulnerability of juveniles to contamination. Some studies have shown that both precopulatory pairing (Pascoe et al., 1994; Malbouisson et al., 1995) and offspring production (Maltby and Naylor, 1990) can be altered by exposure to toxic chemicals. Similarly, we also observed rarefaction of the last larval stages for E. ignita with increasing contamination, which could reduce adult emergence and cause cross-ecosystem cascades (e.g. Knight et al., 2005).
Pairing behavior and reproduction in Hyalella azteca as sensitive endpoints for detecting long-term consequences of pesticide pulses
2013, Aquatic ToxicologyCitation Excerpt :However, very few studies have investigated effects of pesticides on pairing behavior of H. azteca. Previous studies have found that precopulatory pairing in H. azteca was impaired by pesticide exposure (Blockwell et al., 1998; Pandey et al., 2011), and disruption of pairs of other amphipod species due to environmental changes including the presence of toxicants has been described in the literature (Davis, 1978; Linden, 1976; Malbouisson et al., 1994; Pascoe et al., 1994). Pairs of Gammarus pulex exposed for 1 h to the pyrethroid esfenvalerate separated during exposure, and subsequent reproductive output was significantly reduced during a 14 day monitoring period in clean water (Cold and Forbes, 2004).
Closer to reality - the influence of toxicity test modifications on the sensitivity of Gammarus roeseli to the insecticide imidacloprid
2012, Ecotoxicology and Environmental SafetyCitation Excerpt :This different life cycle, feeding strategy and behavior may make them more vulnerable to pesticides under natural conditions in the long-term view. Indeed, the number of laboratory toxicity tests as well as field and cosm experiments using gammarids as test organisms has increased lately (Bundschuh et al., 2011; Adam et al., 2009; Bloor et al., 2005; Pascoe et al., 1994). Stampfli et al. (2011) recently stated that the environmental context seems to be very important for ecotoxicological evaluations.