2019
DOI: 10.1016/j.envres.2019.01.043
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Environmental causes and reproductive correlates of mercury contamination in European pond turtles (Emys orbicularis)

Abstract: Assessing Hg contamination in aquatic ecosystems is difficult because wetlands are part of large and complex networks, and potential sources of Hg contamination are highly diverse. To investigate environmental determinants of Hg contamination, we studied one of the largest continental French wetlands structured as a dense network of artificial ponds. Such context allows to investigate the influence of pond characteristics on Hg contamination in an area relatively disconnected from direct sources of pollution. … Show more

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Cited by 18 publications
(7 citation statements)
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“…Excessive Hg and Se concentration in animals results in disturbances in reproduction. In case of Hg, the negative relationship between Hg concentrations and the propensity and ability of adult females to reproduce was reported (Beau et al 2019). These disorders are explained by endocrine disruptive properties of Hg.…”
Section: Introductionmentioning
confidence: 99%
“…Excessive Hg and Se concentration in animals results in disturbances in reproduction. In case of Hg, the negative relationship between Hg concentrations and the propensity and ability of adult females to reproduce was reported (Beau et al 2019). These disorders are explained by endocrine disruptive properties of Hg.…”
Section: Introductionmentioning
confidence: 99%
“…Although assessing Hg contamination in such tissue can be useful, many species are now classified by the IUCN as in danger of extinction, which supports both the reduction of crocodile hunting per se, and the development of specific, non-lethal sampling methods to assess their Hg contamination levels and its effects (as methods have shown for other reptile species, Day et al 2005;Lemaire et al 2018;Beau et al 2019).…”
Section: )mentioning
confidence: 99%
“…Turtles are valuable to their respective ecosystems through involvement in seed dispersal and germination 12 , bioturbation of soils 13 , and biomass contribution 14 . Freshwater turtles serve as bioindicators of environmental quality, as they are known to accumulate chemicals that reside in their respective water systems (e.g., pesticides, polybrominated diphenyl ethers [PBDEs], and polychlorinated biphenyls [PCBs]) 15 17 . Despite their importance, turtles are amongst the most threatened groups of vertebrates, and their decline may consequently have detrimental impacts on the ecosystems in which they reside 14 .…”
Section: Introductionmentioning
confidence: 99%