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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1007/s10646-021-02448-9
|2 doi
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|a pubmed24n1090.xml
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|a eng
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|a Akhtar, Zunnu Raen
|e verfasserin
|4 aut
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|a Trophic transfer and toxicity of heavy metals from dengue mosquito Aedes aegypti to predator dragonfly Tramea cophysa
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 23.07.2021
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|a Date Revised 23.07.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2021. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.
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|a Heavy metal pollution in aquatic habitats can be detrimental to both prey and predators in a food web. To investigate the potential for bio-transfer and bioaccumulation of heavy metals between specific trophic levels, 3rd instar larvae of Aedes aegypti were exposed to mercury (Hg), lead (Pb), cadmium (Cd), copper (Cu), and zinc (Zn) for three consecutive generations and fed to dragonfly (Tramea cophysa) nymphs. Exposure to Hg caused the highest mortality in A. aegypti larvae and T. cophysa nymphs. Bioaccumulation and life-history parameters of A. aegypti, including egg hatching time, larval and pupal duration, male and female life span, and fecundity, were also evaluated after metals exposure. All life-history parameters except larval duration were significantly affected by heavy metal treatments. Bioaccumulation of metals in A. aegypti larvae and adults gradually and significantly increased from 1st to 3rd generation. To the best of our knowledge, this is the first study describing the acute toxicity of heavy metals to mosquitoes. Our study shows that heavy metals cause dietary toxicity to an aquatic predator, dragonfly, via trophic transfer, which could have considerable consequences on aquatic ecosystems
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|a Journal Article
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|a A. aegypti mosquito
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|a Dengue
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|a Dragonflies
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|a Heavy metals
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|a Metal bioaccumulation
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| 650 |
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|a Prey-predator toxicity
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| 650 |
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|a Metals, Heavy
|2 NLM
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|a Tariq, Kaleem
|e verfasserin
|4 aut
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|a Mavian, Carla
|e verfasserin
|4 aut
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|a Ali, Asad
|e verfasserin
|4 aut
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|a Ullah, Farman
|e verfasserin
|4 aut
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|a Zang, Lian-Sheng
|e verfasserin
|4 aut
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| 700 |
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|a Ali, Farman
|e verfasserin
|4 aut
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|a Nazir, Tamsila
|e verfasserin
|4 aut
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|a Ali, Sajjad
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Ecotoxicology (London, England)
|d 1992
|g 30(2021), 6 vom: 24. Aug., Seite 1108-1115
|w (DE-627)NLM098212214
|x 1573-3017
|7 nnns
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|g volume:30
|g year:2021
|g number:6
|g day:24
|g month:08
|g pages:1108-1115
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|u http://dx.doi.org/10.1007/s10646-021-02448-9
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