Assessing Marine Endocrine-Disrupting Chemicals In The Critically Endangered California Condor: Implications For Reintroduction To Coastal Environments

Stack, M.E.; Cossaboon, J.M.; Tubbs, C.W.; Vilchis, L.I.; Felton, R.G.; Johnson, J.L.; Danil, K.; Heckel, G.; Hoh, E.; Dodder, N.G.

doi:10.1021/acs.est.1c07302

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

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Assessing Marine Endocrine-Disrupting Chemicals In The Critically Endangered California Condor: Implications For Reintroduction To Coastal Environments

2022
By Stack, M.E. ; Cossaboon, J.M. ; Tubbs, C.W. ; ...
Source: Environ. Sci. Technol. 2022, 56, 7800−7809

[PDF-3.36 MB]

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Journal Title:

Environmental Science & Technology
Personal Author:

Stack, M.E. ; Cossaboon, J.M. ; Tubbs, C.W. ; Vilchis, L.I. ; Felton, R.G. ; ... More +

Stack, M.E. ; Cossaboon, J.M. ; Tubbs, C.W. ; Vilchis, L.I. ; Felton, R.G. ; Johnson, J.L. ; Danil, K. ; Heckel, G. ; Hoh, E. ; Dodder, N.G. Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; SWFSC (Southwest Fisheries Science Center) ; Sea Grant

NMFS (National Marine Fisheries Service) ; SWFSC (Southwest Fisheries Science Center) ; Sea Grant Less -
Sea Grant Program:

CASG/CUIMR (California Sea Grant)
Description:

Coastal reintroduction sites for California condors (Gymnogyps californianus) can lead to elevated halogenated organic compound (HOC) exposure and potential health impacts due to the consumption of scavenged marine mammals. Using nontargeted analysis based on comprehensive two-dimensional gas chromatography coupled to time-of-flight mass spectrometry (GC×GC/TOF-MS), we compared HOC profiles of plasma from inland and coastal scavenging California condors from the state of California (CA), and marine mammal blubber from CA and the Gulf of California off Baja California (BC), Mexico. We detected more HOCs in coastal condors (32 ± 5, mean number of HOCs ± SD, n = 7) than in inland condors (8 ± 1, n = 10) and in CA marine mammals (136 ± 87, n = 25) than in BC marine mammals (55 ± 46, n = 8). ∑DDT-related compounds, ∑PCBs, and total tris(chlorophenyl)methane (∑TCPM) were, respectively, ∼7, ∼3.5, and ∼148 times more abundant in CA than in BC marine mammals. The endocrine-disrupting potential of selected polychlorinated biphenyls (PCB) congeners, TCPM, and TCPMOH was determined by in vitro California condor estrogen receptor (ER) activation. The higher levels of HOCs in coastal condors compared to those in inland condors and lower levels of HOC contamination in Baja California marine mammals compared to those from the state of California are factors to consider in condor reintroduction efforts.
Keywords:

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California condor Gymnogyps Californianus Halogenated Organic Compounds Nontargeted Chemical Analysis
Source:

Environ. Sci. Technol. 2022, 56, 7800−7809
DOI:

https://doi.org/10.1021/acs.est.1c07302
Document Type:

Journal Article
Funding:

Grant no. NA18OAR4170073
Rights Information:

Accepted Manuscript
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:3b8294a90e15bc61b1a12dccd414230a3d9fa37dc8cef9bc4b4b5e99cf7092e7
Download URL:

https://repository.library.noaa.gov/view/noaa/48027/noaa_48027_DS1.pdf
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Assessing Marine Endocrine-Disrupting Chemicals In The Critically Endangered California Condor: Implications For Reintroduction To Coastal Environments

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