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231227s2024 xx |||||o 00| ||eng c |
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|a 10.1007/s10646-023-02719-7
|2 doi
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|e rakwb
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|a eng
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| 100 |
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|a Portillo, Alejandro
|e verfasserin
|4 aut
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| 245 |
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|a Mercury bioaccumulation in bats in Madre de Dios, Peru
|b implications for Hg bioindicators for tropical ecosystems impacted by artisanal and small-scale gold mining
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 28.06.2024
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|a Date Revised 01.07.2024
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|a published: Print-Electronic
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|a ErratumIn: Ecotoxicology. 2024 Jul;33(4-5):470-471. doi: 10.1007/s10646-023-02727-7. - PMID 38240904
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|a Citation Status MEDLINE
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|a © 2023. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.
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|a Mercury (Hg) endangers human and wildlife health globally, primarily due to its release from artisanal small-scale gold mining (ASGM). During gold extraction, Hg is emitted into the environment and converted to highly toxic methylmercury by microorganisms. In Madre de Dios (MDD), Peru, ASGM dominates the economy and has transformed rainforests into expansive deforested areas punctuated by abandoned mining ponds. The aim of this study was to evaluate the use of bats as bioindicators for mercury pollution intensity in tropical terrestrial ecosystems impacted by ASGM. We collected 290 bat fur samples from three post-ASGM sites and one control site in Madre de Dios. Our results showed a wide Hg distribution in bats (0.001 to 117.71 mg/kg) strongly influenced by feeding habits. Insectivorous and piscivorous bats from ASGM sites presented elevated levels of Hg surpassing the mercury small mammal threshold for small mammals (10 mg/kg). We observed the highest reported fur mercury concentrations for insectivorous Neotropical bats reported to date (Rhynchonycteris naso, 117 mg/kg). Our findings further confirm that Hg emissions from ASGM are entering local food webs and exposing wildlife species at several trophic levels to higher levels of Hg than in areas not impacted by mining. We also found that three bat genera consistently showed increased Hg levels in ASGM sites relative to controls indicating potential usefulness as bioindicators of mercury loading in terrestrial ecosystems impacted by artisanal and small-scale gold mining
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|a Journal Article
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|a ASGM
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|a Bats
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|a Bioindicator
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|a Guilds
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|a Madre de Dios
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|a Mercury
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|a Mercury
|2 NLM
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|a FXS1BY2PGL
|2 NLM
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|a Gold
|2 NLM
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|a 7440-57-5
|2 NLM
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|a Environmental Pollutants
|2 NLM
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| 700 |
1 |
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|a Vega, Claudia M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mena, Jose Luis
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bonifaz, Emilio
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ascorra, Cesar
|e verfasserin
|4 aut
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| 700 |
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|a Silman, Miles R
|e verfasserin
|4 aut
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| 700 |
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|a Fernandez, Luis E
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Ecotoxicology (London, England)
|d 1992
|g 33(2024), 4-5 vom: 08. Juli, Seite 457-469
|w (DE-627)NLM098212214
|x 1573-3017
|7 nnns
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| 773 |
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|g volume:33
|g year:2024
|g number:4-5
|g day:08
|g month:07
|g pages:457-469
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|u http://dx.doi.org/10.1007/s10646-023-02719-7
|3 Volltext
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