The Effects of Kepone on the Estuarine Copepod <i>Acartia tonsa</i>

<p>Due to the contamination of a 113 km reach of the James River, Kepone poses a serious environmental threat to the Chesapeake Bay. The purpose of the study is to determine the acutely toxic and sublethal levels of kepone for the copepod <em>Acartia tonsa</em>, and to investigate what effects those levels may have on filtration rates.</p> <p>Kepone was determined to be acutely toxic to <em>A. tonsa</em>, with a 96 hour LC50 of 4.96 ug/1. <em>Dunaliella tertiolecta</em> was selected as the food source for the grazing experiments. Kepone concentrations of 0.046 ug/1 significantly (0.05 level) reduced the flltering rate under conditions of chronic exposure. The lesser concentrations of 0.025 and 0.0046 ug/1 of kepone were not significantly different from the controls. It is hoped that research into the chronic stress of this pesticide may potentially provide information which would be useful in the overall understanding of the sublethal impact of chlorinated pesticides on a global scale.</p>

Name thesis:degree_name

Master of Science (MS)

Level thesis:degree_level

Thesis

Discipline thesis:degree_discipline

Biological Sciences

Year dc:date.available

1982

Author dc:creator

• Wilson, Judith Marie

Contributors dc:contributor

• Raymond W. Alden

• Kepone
• Copepod
• James River
• Virginia
• Ecology and Evolutionary Biology
• Environmental Sciences
• Oceanography

Statement dc:rights

• <p>In Copyright. URI: <a href="http://rightsstatements.org/vocab/InC/1.0/">http://rightsstatements.org/vocab/InC/1.0/</a> This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).</p>

Repository record dc:identifier

https://digitalcommons.odu.edu/biology_etds/89

OAI identifier oai:identifier

oai:digitalcommons.odu.edu:biology_etds-1090