Phthalate ester and cholesterol profiles of blubber samples of the free-ranging Amazon River dolphin (Cetacea: Iniidae: Inia geoffrensis) in the Brazilian Amazon

被引：0

作者：

de Lima, Lucas Fazardo ^{[1
]}

Piccinin, Isadora Nicole Lara ^{[1
]}

Martha, Giulia Galani ^{[1
]}

Lopes, Susane ^{[1
]}

Rodrigues, Thais Carneiro Santos ^{[2
,3
]}

Marmontel, Miriam ^{[4
]}

Kolesnikovas, Cristiane Kiyomi Miyaji ^{[2
]}

Maraschin, Marcelo ^{[1
]}

机构：

[1] Univ Fed Santa Catarina, Lab Morfogenese & Bioquim Vegetal, Florianopolis, Brazil

[2] Assoc R3 Anim, Florianopolis, SC, Brazil

[3] Natl Marine Mammal Fdn, San Diego, CA USA

[4] Inst Desenvolvimento Sustentavel Mamiraua, Tefe, AM, Brazil

来源：

MARINE POLLUTION BULLETIN | 2024年 / 209卷

关键词：

Plastic pollution; Environmental contamination; Bioaccumulation; Anthropogenic impacts; Aquatic mammal; Amazon basin; DI(2-ETHYLHEXYL) PHTHALATE; REPRODUCTIVE DYSFUNCTION; ECOTOXICOLOGICAL STATE; ENDOCRINE DISRUPTION; EXPOSURE; SEA; AIR; MICROPLASTICS; SEDIMENT; BEHAVIOR;

D O I：

10.1016/j.marpolbul.2024.117211

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This study assessed the exposure of free-ranging Amazon River dolphins (Inia geoffrensis) to phthalate esters (PAE) in a remote area of the Brazilian Amazon. Blubber samples were analyzed for four PAEs - dimethyl phthalate, diethyl phthalate, dibutyl phthalate, and di(2-ethylhexyl) phthalate - and cholesterol contents to evaluate potential metabolic disturbances. All dolphins were contaminated with at least two PAEs, with DEHP (242.16 ng/mu L) and DBP (191.62 ng/mu L) being the most frequent, detected in 93 % and 79 % of the sample, respectively. Significant positive correlations were found between DBP and DEP (r = 0.857), DEHP and DEP (r = 0.794), and DBP and body length (r = 0.642), suggesting bioaccumulation. Despite the cholesterol data not showing a correlation with the other findings, these results highlight PAE pollution in a supposedly pristine environment and their potential impact on the health and conservation of Amazon River dolphins' health and Amazonian ecosystem.

引用

页数：9

共 11 条

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