A quarter century of recovery of the whelk Thais orbita from tributyltin pollution off Perth, Western Australia
Imposex is a condition in which females of dioecious marine snails develop rudimentary male characteristics. It is caused by tributyltin (TBT) used as an antifoulant in vessel paints since the late 1960s. Following the 2008 international ban on TBT, a decreasing rate of imposex has been observed wor...
| Main Authors: | , |
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| Format: | Journal Article |
| Language: | English |
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PERGAMON-ELSEVIER SCIENCE LTD
2020
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| Online Access: | http://hdl.handle.net/20.500.11937/83585 |
| _version_ | 1848764591838855168 |
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| author | Wells, Fred Gagnon, Marthe Monique |
| author_facet | Wells, Fred Gagnon, Marthe Monique |
| author_sort | Wells, Fred |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | Imposex is a condition in which females of dioecious marine snails develop rudimentary male characteristics. It is caused by tributyltin (TBT) used as an antifoulant in vessel paints since the late 1960s. Following the 2008 international ban on TBT, a decreasing rate of imposex has been observed worldwide. In Western Australia, imposex surveys of the whelk Thais orbita up to 2011 in the Perth metropolitan area suggested a decreasing trend but a significant recovery has not been confirmed. Collection of T. orbita from 11 sites in 2019 demonstrated a virtually complete recovery from imposex. Although it is generally accepted that male snails are not affected by TBT, the historical data set allowed confirmation that the male penis is of similar size in T. orbita collected at heavily affected sites and at relatively unaffected sites. Similarly, imposexed female snails had similar shell lengths to female snails at non-impacted sites. |
| first_indexed | 2025-11-14T11:21:48Z |
| format | Journal Article |
| id | curtin-20.500.11937-83585 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-14T11:21:48Z |
| publishDate | 2020 |
| publisher | PERGAMON-ELSEVIER SCIENCE LTD |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-835852022-08-12T05:17:02Z A quarter century of recovery of the whelk Thais orbita from tributyltin pollution off Perth, Western Australia Wells, Fred Gagnon, Marthe Monique Science & Technology Life Sciences & Biomedicine Environmental Sciences Marine & Freshwater Biology Environmental Sciences & Ecology Imposex Whelk TBT Tributyltin Conus Gastropod NUCELLA-LAPILLUS BUTYLTIN COMPOUNDS IMPOSEX CONTAMINATION ACCUMULATION BIOINDICATOR GASTROPODA MURICIDAE INDICATOR Imposex is a condition in which females of dioecious marine snails develop rudimentary male characteristics. It is caused by tributyltin (TBT) used as an antifoulant in vessel paints since the late 1960s. Following the 2008 international ban on TBT, a decreasing rate of imposex has been observed worldwide. In Western Australia, imposex surveys of the whelk Thais orbita up to 2011 in the Perth metropolitan area suggested a decreasing trend but a significant recovery has not been confirmed. Collection of T. orbita from 11 sites in 2019 demonstrated a virtually complete recovery from imposex. Although it is generally accepted that male snails are not affected by TBT, the historical data set allowed confirmation that the male penis is of similar size in T. orbita collected at heavily affected sites and at relatively unaffected sites. Similarly, imposexed female snails had similar shell lengths to female snails at non-impacted sites. 2020 Journal Article http://hdl.handle.net/20.500.11937/83585 10.1016/j.marpolbul.2020.111408 English http://creativecommons.org/licenses/by-nc-nd/4.0/ PERGAMON-ELSEVIER SCIENCE LTD fulltext |
| spellingShingle | Science & Technology Life Sciences & Biomedicine Environmental Sciences Marine & Freshwater Biology Environmental Sciences & Ecology Imposex Whelk TBT Tributyltin Conus Gastropod NUCELLA-LAPILLUS BUTYLTIN COMPOUNDS IMPOSEX CONTAMINATION ACCUMULATION BIOINDICATOR GASTROPODA MURICIDAE INDICATOR Wells, Fred Gagnon, Marthe Monique A quarter century of recovery of the whelk Thais orbita from tributyltin pollution off Perth, Western Australia |
| title | A quarter century of recovery of the whelk Thais orbita from tributyltin pollution off Perth, Western Australia |
| title_full | A quarter century of recovery of the whelk Thais orbita from tributyltin pollution off Perth, Western Australia |
| title_fullStr | A quarter century of recovery of the whelk Thais orbita from tributyltin pollution off Perth, Western Australia |
| title_full_unstemmed | A quarter century of recovery of the whelk Thais orbita from tributyltin pollution off Perth, Western Australia |
| title_short | A quarter century of recovery of the whelk Thais orbita from tributyltin pollution off Perth, Western Australia |
| title_sort | quarter century of recovery of the whelk thais orbita from tributyltin pollution off perth, western australia |
| topic | Science & Technology Life Sciences & Biomedicine Environmental Sciences Marine & Freshwater Biology Environmental Sciences & Ecology Imposex Whelk TBT Tributyltin Conus Gastropod NUCELLA-LAPILLUS BUTYLTIN COMPOUNDS IMPOSEX CONTAMINATION ACCUMULATION BIOINDICATOR GASTROPODA MURICIDAE INDICATOR |
| url | http://hdl.handle.net/20.500.11937/83585 |