Relationships between contaminant levels in marine sediments and their biological effects on embryos of oysters, Crassostera gigas
Surface sediment samples from 10 coastal locations were analyzed with respect to their physical and chemical characteristics as well as their biological quality. The toxicity of the decanted fresh and freeze-dried sediments and of their elutriates was assessed by bioassays with embryos of the oyster...
Published in: | Environmental Toxicology and Chemistry |
---|---|
Main Authors: | , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
SETAC / Wiley
2002
|
Subjects: | |
Online Access: | https://oceanrep.geomar.de/id/eprint/6344/ https://oceanrep.geomar.de/id/eprint/6344/1/Geffard%20et.al.pdf https://doi.org/10.1002/etc.5620211108 |
id |
ftoceanrep:oai:oceanrep.geomar.de:6344 |
---|---|
record_format |
openpolar |
spelling |
ftoceanrep:oai:oceanrep.geomar.de:6344 2023-05-15T15:58:41+02:00 Relationships between contaminant levels in marine sediments and their biological effects on embryos of oysters, Crassostera gigas Geffard, O. Budzinski, H. His, E. Seaman, Matthias N. L. 2002 text https://oceanrep.geomar.de/id/eprint/6344/ https://oceanrep.geomar.de/id/eprint/6344/1/Geffard%20et.al.pdf https://doi.org/10.1002/etc.5620211108 en eng SETAC / Wiley https://oceanrep.geomar.de/id/eprint/6344/1/Geffard%20et.al.pdf Geffard, O., Budzinski, H., His, E. and Seaman, M. N. L. (2002) Relationships between contaminant levels in marine sediments and their biological effects on embryos of oysters, Crassostera gigas. Environmental Toxicology and Chemistry, 21 . pp. 2310-2318. DOI 10.1002/etc.5620211108 <https://doi.org/10.1002/etc.5620211108>. doi:10.1002/etc.5620211108 info:eu-repo/semantics/restrictedAccess Article PeerReviewed 2002 ftoceanrep https://doi.org/10.1002/etc.5620211108 2023-04-07T14:52:48Z Surface sediment samples from 10 coastal locations were analyzed with respect to their physical and chemical characteristics as well as their biological quality. The toxicity of the decanted fresh and freeze-dried sediments and of their elutriates was assessed by bioassays with embryos of the oysters Crassostrea gigas. The concentration inhibiting normal embryogenesis in 20% of the larvae (EC20) was used as a measure of toxicity and compared with the physical and chemical properties of the sediments and elutriates by principal components analysis. Decanted whole sediments were one to four orders of magnitude more toxic than their elutriates because the latter have lower contaminant concentrations. The biological effects of decanted whole sediment depended mostly on the levels of heavy metals and polycyclic aromatic hydrocarbons (PAHs), while in the case of the elutriates, the toxicity was mainly correlated with the concentrations of total ammonia and of dissolved organic carbon (DOC). Freeze-dried sediments and their elutriates were up to one order of magnitude more toxic than fresh sediments and elutriates, respectively, presumably because the freeze-drying procedure increases pollutant bioavailability or causes a release of unidentified organic compounds having toxic effects. Article in Journal/Newspaper Crassostrea gigas OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel) Environmental Toxicology and Chemistry 21 11 2310 2318 |
institution |
Open Polar |
collection |
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel) |
op_collection_id |
ftoceanrep |
language |
English |
description |
Surface sediment samples from 10 coastal locations were analyzed with respect to their physical and chemical characteristics as well as their biological quality. The toxicity of the decanted fresh and freeze-dried sediments and of their elutriates was assessed by bioassays with embryos of the oysters Crassostrea gigas. The concentration inhibiting normal embryogenesis in 20% of the larvae (EC20) was used as a measure of toxicity and compared with the physical and chemical properties of the sediments and elutriates by principal components analysis. Decanted whole sediments were one to four orders of magnitude more toxic than their elutriates because the latter have lower contaminant concentrations. The biological effects of decanted whole sediment depended mostly on the levels of heavy metals and polycyclic aromatic hydrocarbons (PAHs), while in the case of the elutriates, the toxicity was mainly correlated with the concentrations of total ammonia and of dissolved organic carbon (DOC). Freeze-dried sediments and their elutriates were up to one order of magnitude more toxic than fresh sediments and elutriates, respectively, presumably because the freeze-drying procedure increases pollutant bioavailability or causes a release of unidentified organic compounds having toxic effects. |
format |
Article in Journal/Newspaper |
author |
Geffard, O. Budzinski, H. His, E. Seaman, Matthias N. L. |
spellingShingle |
Geffard, O. Budzinski, H. His, E. Seaman, Matthias N. L. Relationships between contaminant levels in marine sediments and their biological effects on embryos of oysters, Crassostera gigas |
author_facet |
Geffard, O. Budzinski, H. His, E. Seaman, Matthias N. L. |
author_sort |
Geffard, O. |
title |
Relationships between contaminant levels in marine sediments and their biological effects on embryos of oysters, Crassostera gigas |
title_short |
Relationships between contaminant levels in marine sediments and their biological effects on embryos of oysters, Crassostera gigas |
title_full |
Relationships between contaminant levels in marine sediments and their biological effects on embryos of oysters, Crassostera gigas |
title_fullStr |
Relationships between contaminant levels in marine sediments and their biological effects on embryos of oysters, Crassostera gigas |
title_full_unstemmed |
Relationships between contaminant levels in marine sediments and their biological effects on embryos of oysters, Crassostera gigas |
title_sort |
relationships between contaminant levels in marine sediments and their biological effects on embryos of oysters, crassostera gigas |
publisher |
SETAC / Wiley |
publishDate |
2002 |
url |
https://oceanrep.geomar.de/id/eprint/6344/ https://oceanrep.geomar.de/id/eprint/6344/1/Geffard%20et.al.pdf https://doi.org/10.1002/etc.5620211108 |
genre |
Crassostrea gigas |
genre_facet |
Crassostrea gigas |
op_relation |
https://oceanrep.geomar.de/id/eprint/6344/1/Geffard%20et.al.pdf Geffard, O., Budzinski, H., His, E. and Seaman, M. N. L. (2002) Relationships between contaminant levels in marine sediments and their biological effects on embryos of oysters, Crassostera gigas. Environmental Toxicology and Chemistry, 21 . pp. 2310-2318. DOI 10.1002/etc.5620211108 <https://doi.org/10.1002/etc.5620211108>. doi:10.1002/etc.5620211108 |
op_rights |
info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1002/etc.5620211108 |
container_title |
Environmental Toxicology and Chemistry |
container_volume |
21 |
container_issue |
11 |
container_start_page |
2310 |
op_container_end_page |
2318 |
_version_ |
1766394454845947904 |