https://www.coastalwiki.org/w/index.php?title=Pollution_and_marine_mammals&feed=atom&action=historyPollution and marine mammals - Revision history2024-03-19T06:46:48ZRevision history for this page on the wikiMediaWiki 1.31.7https://www.coastalwiki.org/w/index.php?title=Pollution_and_marine_mammals&diff=76121&oldid=prevDronkers J at 16:43, 5 November 20192019-11-05T16:43:21Z<p></p>
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</table>Dronkers Jhttps://www.coastalwiki.org/w/index.php?title=Pollution_and_marine_mammals&diff=58768&oldid=prevJweverts at 11:59, 6 June 20132013-06-06T11:59:21Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The use of DDTs (since the 1970s) and PCBs (since 1991) has been banned in Europe. However because of their stability they are still present in marine ecosystems, even in very remote areas like Antarctica. Of course [[PCBs_and_organochlorine_pesticides_in_Antarctic_algae|concentrations in Antarctica]] will be lower than those in the coastal areas where the discharges occurred.<ref> Kennish, M. J. (1996): Practical Handbook of Estuarine and Marine Pollution, CRC Press 524 pp</ref> Although marine mammals can accumulate large quantities of [[methylmercury]], they rarely display any harmful effects of the contaminant. The reason for this is that marine mammals can transform methylmercuy into less harmful inorganic [[mercury]], which can also efficiently be detoxified by selenium.  </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The use of DDTs (since the 1970s) and PCBs (since 1991) has been banned in Europe. However because of their stability they are still present in marine ecosystems, even in very remote areas like Antarctica. Of course [[PCBs_and_organochlorine_pesticides_in_Antarctic_algae|concentrations in Antarctica]] will be lower than those in the coastal areas where the discharges occurred.<ref> Kennish, M. J. (1996): Practical Handbook of Estuarine and Marine Pollution, CRC Press 524 pp</ref> Although marine mammals can accumulate large quantities of [[methylmercury]], they rarely display any harmful effects of the contaminant. The reason for this is that marine mammals can transform methylmercuy into less harmful inorganic [[mercury]], which can also efficiently be detoxified by selenium.  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><u>'''<del class="diffchange diffchange-inline">Toxine </del>related problems in marine mammals'''</u></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><u>'''<ins class="diffchange diffchange-inline">Toxicant </ins>related problems in marine mammals'''</u></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>In the past decades [[organochlorine compounds|organochlorine]]-contaminant-related-mass-deaths have occurred in marine mammals. In Northern Europe, more then 20.000 seals have died in 1988 due to seal plague. It is believed that the seal plague virus caused this extent of damage because the resistance of the seals was lowered due to [[pollutants]]: a process called [[immunodeficiency]]. Later this virus caused mass mortalities of striped dolphins in the 1990-1992 period: More than 1000 dolphins died in the Mediterranean. Again it's believed that casualties were increased due to immunodeficiency caused by contaminants like PCBs. Actually proving the toxicological effects of contaminants in marine mammals is rather difficult due to logistical and ethical reasons. <ref>Sinderman, C.J. 1996. Ocean Pollution: Effects on Living Resources and Humans. CRC Press, Boca Raton, FL. 275 pp</ref> Some marine mammals have reproductive difficulties which might be related to high concentrations of DDTs or PCBs, compounds which might act as [[endocrine disrupting compounds]]. Till today however, no marine mammal has died by the direct toxic effects of any organochlorine compound.  </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>In the past decades [[organochlorine compounds|organochlorine]]-contaminant-related-mass-deaths have occurred in marine mammals. In Northern Europe, more then 20.000 seals have died in 1988 due to seal plague. It is believed that the seal plague virus caused this extent of damage because the resistance of the seals was lowered due to [[pollutants]]: a process called [[immunodeficiency]]. Later this virus caused mass mortalities of striped dolphins in the 1990-1992 period: More than 1000 dolphins died in the Mediterranean. Again it's believed that casualties were increased due to immunodeficiency caused by contaminants like PCBs. Actually proving the toxicological effects of contaminants in marine mammals is rather difficult due to logistical and ethical reasons. <ref>Sinderman, C.J. 1996. Ocean Pollution: Effects on Living Resources and Humans. CRC Press, Boca Raton, FL. 275 pp</ref> Some marine mammals have reproductive difficulties which might be related to high concentrations of DDTs or PCBs, compounds which might act as [[endocrine disrupting compounds]]. Till today however, no marine mammal has died by the direct toxic effects of any organochlorine compound.  </div></td></tr>
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</table>Jwevertshttps://www.coastalwiki.org/w/index.php?title=Pollution_and_marine_mammals&diff=57095&oldid=prevDaphnisd: /* References */2013-03-13T09:26:51Z<p><span dir="auto"><span class="autocomment">References</span></span></p>
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</table>Daphnisdhttps://www.coastalwiki.org/w/index.php?title=Pollution_and_marine_mammals&diff=55687&oldid=prevDaphnisd at 09:15, 20 February 20132013-02-20T09:15:12Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Case study 1:[[PCB and heavy metals in beached sperm whales | Toxic substances in beached sperm whales ]]<ref>Holsbeek, L.; Joiris, C.R.; Debacker, V.; Ali, B.I.; Roose, P.; Nellissen, J.P.; Gobert, S.; Bouquegneau, J.-M.; Bossicart, M. (1999). Heavy metals, organochlorines and polycyclic aromatic hydrocarbons in sperm whales stranded in the southern North Sea during the 1994/1995 winter. Mar. Pollut. Bull. 38(4): 304-313</ref></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Case study 1:[[PCB and heavy metals in beached sperm whales | Toxic substances in beached sperm whales ]]<ref>Holsbeek, L.; Joiris, C.R.; Debacker, V.; Ali, B.I.; Roose, P.; Nellissen, J.P.; Gobert, S.; Bouquegneau, J.-M.; Bossicart, M. (1999). Heavy metals, organochlorines and polycyclic aromatic hydrocarbons in sperm whales stranded in the southern North Sea during the 1994/1995 winter. Mar. Pollut. Bull. 38(4): 304-313</ref></div></td></tr>
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<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Case study 2:[[Organohalogenated contaminants in harbour porpoises|Organochlorine pesticides in Harbour porpoises]]<ref>Covaci, A.; Van de Vijver, K.; De Coen, W.; Das, K.; Bouquegneau, J.-M.; Blust, R.; Schepens, P. (2002). Determination of organohalogenated contaminants in liver of harbour porpoises (Phocoena phocoena) stranded on the Belgian North Sea coast. Mar. Pollut. Bull. 44(10): 1157-1169</ref></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Case study 2:[[Organohalogenated contaminants in harbour porpoises|Organochlorine pesticides in Harbour porpoises]] <ref>Covaci, A.; Van de Vijver, K.; De Coen, W.; Das, K.; Bouquegneau, J.-M.; Blust, R.; Schepens, P. (2002). Determination of organohalogenated contaminants in liver of harbour porpoises (Phocoena phocoena) stranded on the Belgian North Sea coast. Mar. Pollut. Bull. 44(10): 1157-1169</ref></div></td></tr>
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</table>Daphnisdhttps://www.coastalwiki.org/w/index.php?title=Pollution_and_marine_mammals&diff=55686&oldid=prevDaphnisd at 09:14, 20 February 20132013-02-20T09:14:57Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Case study 1:[[PCB and heavy metals in beached sperm whales | Toxic substances in beached sperm whales ]]<ref>Holsbeek, L.; Joiris, C.R.; Debacker, V.; Ali, B.I.; Roose, P.; Nellissen, J.P.; Gobert, S.; Bouquegneau, J.-M.; Bossicart, M. (1999). Heavy metals, organochlorines and polycyclic aromatic hydrocarbons in sperm whales stranded in the southern North Sea during the 1994/1995 winter. Mar. Pollut. Bull. 38(4): 304-313</ref></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Case study 1:[[PCB and heavy metals in beached sperm whales | Toxic substances in beached sperm whales ]]<ref>Holsbeek, L.; Joiris, C.R.; Debacker, V.; Ali, B.I.; Roose, P.; Nellissen, J.P.; Gobert, S.; Bouquegneau, J.-M.; Bossicart, M. (1999). Heavy metals, organochlorines and polycyclic aromatic hydrocarbons in sperm whales stranded in the southern North Sea during the 1994/1995 winter. Mar. Pollut. Bull. 38(4): 304-313</ref></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Case study 2:[[<del class="diffchange diffchange-inline">pesticides </del>in harbour porpoises | Organochlorine pesticides in <del class="diffchange diffchange-inline">harbour </del>porpoises]]<ref>Covaci, A.; Van de Vijver, K.; De Coen, W.; Das, K.; Bouquegneau, J.-M.; Blust, R.; Schepens, P. (2002). Determination of organohalogenated contaminants in liver of harbour porpoises (Phocoena phocoena) stranded on the Belgian North Sea coast. Mar. Pollut. Bull. 44(10): 1157-1169</ref></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Case study 2:[[<ins class="diffchange diffchange-inline">Organohalogenated contaminants </ins>in harbour porpoises|Organochlorine pesticides in <ins class="diffchange diffchange-inline">Harbour </ins>porpoises]]<ref>Covaci, A.; Van de Vijver, K.; De Coen, W.; Das, K.; Bouquegneau, J.-M.; Blust, R.; Schepens, P. (2002). Determination of organohalogenated contaminants in liver of harbour porpoises (Phocoena phocoena) stranded on the Belgian North Sea coast. Mar. Pollut. Bull. 44(10): 1157-1169</ref></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==References==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==References==</div></td></tr>
</table>Daphnisdhttps://www.coastalwiki.org/w/index.php?title=Pollution_and_marine_mammals&diff=31585&oldid=prevDaphnisd at 11:45, 23 July 20092009-07-23T11:45:40Z<p></p>
<table class="diff diff-contentalign-left" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 11:45, 23 July 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l18" >Line 18:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Case studies ==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Case studies ==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Case study 1:[[PCB and heavy metals in beached sperm whales | <del class="diffchange diffchange-inline">Toxin analysis </del>in beached sperm whales ]]<ref>Holsbeek, L.; Joiris, C.R.; Debacker, V.; Ali, B.I.; Roose, P.; Nellissen, J.P.; Gobert, S.; Bouquegneau, J.-M.; Bossicart, M. (1999). Heavy metals, organochlorines and polycyclic aromatic hydrocarbons in sperm whales stranded in the southern North Sea during the 1994/1995 winter. Mar. Pollut. Bull. 38(4): 304-313</ref></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Case study 1:[[PCB and heavy metals in beached sperm whales | <ins class="diffchange diffchange-inline">Toxic substances </ins>in beached sperm whales ]]<ref>Holsbeek, L.; Joiris, C.R.; Debacker, V.; Ali, B.I.; Roose, P.; Nellissen, J.P.; Gobert, S.; Bouquegneau, J.-M.; Bossicart, M. (1999). Heavy metals, organochlorines and polycyclic aromatic hydrocarbons in sperm whales stranded in the southern North Sea during the 1994/1995 winter. Mar. Pollut. Bull. 38(4): 304-313</ref></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Case study 2:[[pesticides in harbour porpoises | Organochlorine pesticides in harbour porpoises]]<ref>Covaci, A.; Van de Vijver, K.; De Coen, W.; Das, K.; Bouquegneau, J.-M.; Blust, R.; Schepens, P. (2002). Determination of organohalogenated contaminants in liver of harbour porpoises (Phocoena phocoena) stranded on the Belgian North Sea coast. Mar. Pollut. Bull. 44(10): 1157-1169</ref></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Case study 2:[[pesticides in harbour porpoises | Organochlorine pesticides in harbour porpoises]]<ref>Covaci, A.; Van de Vijver, K.; De Coen, W.; Das, K.; Bouquegneau, J.-M.; Blust, R.; Schepens, P. (2002). Determination of organohalogenated contaminants in liver of harbour porpoises (Phocoena phocoena) stranded on the Belgian North Sea coast. Mar. Pollut. Bull. 44(10): 1157-1169</ref></div></td></tr>
</table>Daphnisdhttps://www.coastalwiki.org/w/index.php?title=Pollution_and_marine_mammals&diff=31584&oldid=prevDaphnisd at 11:44, 23 July 20092009-07-23T11:44:40Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 11:44, 23 July 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l10" >Line 10:</td>
<td colspan="2" class="diff-lineno">Line 10:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><u>'''Toxine related problems in marine mammals'''</u></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><u>'''Toxine related problems in marine mammals'''</u></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>In the past decades [[organochlorine compounds|organochlorine]]-contaminant-related-mass-deaths have occurred in marine mammals. In Northern Europe, more then 20.000 seals have died in 1988 due to seal plague. It is believed that the seal plague virus caused this extent of damage because the resistance of the seals was lowered due to [[pollutants]]: a process called [[immunodeficiency]]. Later this virus caused mass mortalities of striped dolphins in the 1990-1992 period: More than 1000 dolphins died in the Mediterranean. Again it's believed that casualties were increased due to immunodeficiency caused by contaminants like PCBs. Actually proving the toxicological effects of contaminants in marine mammals is rather difficult due to logistical and ethical reasons. <ref>Sinderman, C.J. 1996. Ocean Pollution: Effects on Living Resources and Humans. CRC Press, Boca Raton, FL. 275 pp</ref> Some marine mammals have reproductive difficulties which might be related to high concentrations of DDTs or PCBs, compounds which might act as [[endocrine disrupting compounds]]. Till today however, no marine mammal died by the direct toxic effects of any organochlorine compound.  </div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>In the past decades [[organochlorine compounds|organochlorine]]-contaminant-related-mass-deaths have occurred in marine mammals. In Northern Europe, more then 20.000 seals have died in 1988 due to seal plague. It is believed that the seal plague virus caused this extent of damage because the resistance of the seals was lowered due to [[pollutants]]: a process called [[immunodeficiency]]. Later this virus caused mass mortalities of striped dolphins in the 1990-1992 period: More than 1000 dolphins died in the Mediterranean. Again it's believed that casualties were increased due to immunodeficiency caused by contaminants like PCBs. Actually proving the toxicological effects of contaminants in marine mammals is rather difficult due to logistical and ethical reasons. <ref>Sinderman, C.J. 1996. Ocean Pollution: Effects on Living Resources and Humans. CRC Press, Boca Raton, FL. 275 pp</ref> Some marine mammals have reproductive difficulties which might be related to high concentrations of DDTs or PCBs, compounds which might act as [[endocrine disrupting compounds]]. Till today however, no marine mammal <ins class="diffchange diffchange-inline">has </ins>died by the direct toxic effects of any organochlorine compound.  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Although marine mammals are usually capable of detoxifying mercury, there have been reports of mercury intoxication and related deaths in marine mammals in 1968. These deaths occurred in an area with heavy industrial mercury dumping. <ref name = pub2>New perspectives: Toxicology and the environment. Toxicology of marine mammals, eds.J. Vos, G. Bossart, M. Fournier, and T. O'Shea, New York: Taylor & Francis. 643p</ref></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Although marine mammals are usually capable of detoxifying mercury, there have been reports of mercury intoxication and related deaths in marine mammals in 1968. These deaths occurred in an area with heavy industrial mercury dumping. <ref name = pub2>New perspectives: Toxicology and the environment. Toxicology of marine mammals, eds.J. Vos, G. Bossart, M. Fournier, and T. O'Shea, New York: Taylor & Francis. 643p</ref></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
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</table>Daphnisdhttps://www.coastalwiki.org/w/index.php?title=Pollution_and_marine_mammals&diff=31583&oldid=prevDaphnisd at 11:04, 23 July 20092009-07-23T11:04:03Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 11:04, 23 July 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l10" >Line 10:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><u>'''Toxine related problems in marine mammals'''</u></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><u>'''Toxine related problems in marine mammals'''</u></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>In the past decades [[organochlorine compounds|organochlorine]]-contaminant-related-mass-deaths have occurred in marine mammals. In Northern Europe, more then 20.000 seals have died in 1988 due to seal plague. It is believed that the seal plague virus caused this extent of damage because the resistance of the seals was lowered due to [[pollutants]]: a process called [[immunodeficiency]]. Later this virus caused mass mortalities of striped dolphins in the 1990-1992 period: More than 1000 dolphins died in the Mediterranean. Again it's believed that casualties were increased due to immunodeficiency caused by contaminants like PCBs. Actually proving the toxicological effects of contaminants in marine mammals is rather difficult due to logistical and ethical reasons. <ref>Sinderman, C.J. 1996. Ocean Pollution: Effects on Living Resources and Humans. CRC Press, Boca Raton, FL. 275 pp</ref> Some marine mammals have reproductive difficulties which might be related to high concentrations of DDTs or PCBs, which might act as [[endocrine disrupting compounds]]. Till today however, no marine mammal died by the direct toxic effects of any organochlorine compound.  </div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>In the past decades [[organochlorine compounds|organochlorine]]-contaminant-related-mass-deaths have occurred in marine mammals. In Northern Europe, more then 20.000 seals have died in 1988 due to seal plague. It is believed that the seal plague virus caused this extent of damage because the resistance of the seals was lowered due to [[pollutants]]: a process called [[immunodeficiency]]. Later this virus caused mass mortalities of striped dolphins in the 1990-1992 period: More than 1000 dolphins died in the Mediterranean. Again it's believed that casualties were increased due to immunodeficiency caused by contaminants like PCBs. Actually proving the toxicological effects of contaminants in marine mammals is rather difficult due to logistical and ethical reasons. <ref>Sinderman, C.J. 1996. Ocean Pollution: Effects on Living Resources and Humans. CRC Press, Boca Raton, FL. 275 pp</ref> Some marine mammals have reproductive difficulties which might be related to high concentrations of DDTs or PCBs, <ins class="diffchange diffchange-inline">compounds </ins>which might act as [[endocrine disrupting compounds]]. Till today however, no marine mammal died by the direct toxic effects of any organochlorine compound.  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Although marine mammals are usually capable of detoxifying mercury, there have been reports of mercury intoxication and related deaths in marine mammals in 1968. These deaths occurred in an area with heavy industrial mercury dumping. <ref name = pub2>New perspectives: Toxicology and the environment. Toxicology of marine mammals, eds.J. Vos, G. Bossart, M. Fournier, and T. O'Shea, New York: Taylor & Francis. 643p</ref></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Although marine mammals are usually capable of detoxifying mercury, there have been reports of mercury intoxication and related deaths in marine mammals in 1968. These deaths occurred in an area with heavy industrial mercury dumping. <ref name = pub2>New perspectives: Toxicology and the environment. Toxicology of marine mammals, eds.J. Vos, G. Bossart, M. Fournier, and T. O'Shea, New York: Taylor & Francis. 643p</ref></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
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</table>Daphnisdhttps://www.coastalwiki.org/w/index.php?title=Pollution_and_marine_mammals&diff=31582&oldid=prevDaphnisd at 11:01, 23 July 20092009-07-23T11:01:38Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 11:01, 23 July 2009</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><u>'''Toxine related problems in marine mammals'''</u></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><u>'''Toxine related problems in marine mammals'''</u></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>In the past decades [[organochlorine compounds|organochlorine]]-contaminant-related-mass-deaths have occurred in marine mammals. In Northern Europe, more then 20.000 seals have died in 1988 due to seal plague. It is believed that the seal plague virus caused this extent of damage because the resistance of the seals was lowered due to <del class="diffchange diffchange-inline">toxins</del>: a process called [[immunodeficiency]]. Later this virus caused mass mortalities of striped dolphins in the 1990-1992 period: More than 1000 dolphins died in the Mediterranean. Again it's believed that casualties were increased due to immunodeficiency caused by contaminants like PCBs. Actually proving the toxicological effects of contaminants in marine mammals is rather difficult due to logistical and ethical reasons. <ref>Sinderman, C.J. 1996. Ocean Pollution: Effects on Living Resources and Humans. CRC Press, Boca Raton, FL. 275 pp</ref> Some marine mammals have reproductive difficulties which might be related to high concentrations of DDTs or PCBs, which might act as [[endocrine disrupting compounds]]. Till today however, no marine mammal died by the direct toxic effects of any organochlorine compound.  </div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>In the past decades [[organochlorine compounds|organochlorine]]-contaminant-related-mass-deaths have occurred in marine mammals. In Northern Europe, more then 20.000 seals have died in 1988 due to seal plague. It is believed that the seal plague virus caused this extent of damage because the resistance of the seals was lowered due to <ins class="diffchange diffchange-inline">[[pollutants]]</ins>: a process called [[immunodeficiency]]. Later this virus caused mass mortalities of striped dolphins in the 1990-1992 period: More than 1000 dolphins died in the Mediterranean. Again it's believed that casualties were increased due to immunodeficiency caused by contaminants like PCBs. Actually proving the toxicological effects of contaminants in marine mammals is rather difficult due to logistical and ethical reasons. <ref>Sinderman, C.J. 1996. Ocean Pollution: Effects on Living Resources and Humans. CRC Press, Boca Raton, FL. 275 pp</ref> Some marine mammals have reproductive difficulties which might be related to high concentrations of DDTs or PCBs, which might act as [[endocrine disrupting compounds]]. Till today however, no marine mammal died by the direct toxic effects of any organochlorine compound.  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Although marine mammals are usually capable of detoxifying mercury, there have been reports of mercury intoxication and related deaths in marine mammals in 1968. These deaths occurred in an area with heavy industrial mercury dumping. <ref name = pub2>New perspectives: Toxicology and the environment. Toxicology of marine mammals, eds.J. Vos, G. Bossart, M. Fournier, and T. O'Shea, New York: Taylor & Francis. 643p</ref></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Although marine mammals are usually capable of detoxifying mercury, there have been reports of mercury intoxication and related deaths in marine mammals in 1968. These deaths occurred in an area with heavy industrial mercury dumping. <ref name = pub2>New perspectives: Toxicology and the environment. Toxicology of marine mammals, eds.J. Vos, G. Bossart, M. Fournier, and T. O'Shea, New York: Taylor & Francis. 643p</ref></div></td></tr>
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</table>Daphnisdhttps://www.coastalwiki.org/w/index.php?title=Pollution_and_marine_mammals&diff=31581&oldid=prevDaphnisd at 11:00, 23 July 20092009-07-23T11:00:48Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 11:00, 23 July 2009</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><u>'''Toxine related problems in marine mammals'''</u></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><u>'''Toxine related problems in marine mammals'''</u></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>In the past decades [[organochlorine compounds|organochlorine]]-contaminant-related-mass-deaths have occurred in marine mammals. In Northern Europe, more then 20.000 seals have died due to seal plague <del class="diffchange diffchange-inline">in 1988</del>. It is believed that the seal plague virus caused this extent of damage because the resistance of the seals was lowered due to toxins: a process called [[immunodeficiency]]. Later this virus caused mass mortalities of striped dolphins in the 1990-1992 period: More than 1000 dolphins died in the Mediterranean. Again it's believed that casualties were increased due to immunodeficiency caused by contaminants like PCBs. Actually proving the toxicological effects of contaminants in marine mammals is rather difficult due to logistical and ethical reasons. <ref>Sinderman, C.J. 1996. Ocean Pollution: Effects on Living Resources and Humans. CRC Press, Boca Raton, FL. 275 pp</ref> Some marine mammals have reproductive difficulties which might be related to high concentrations of DDTs or PCBs, which might act as [[endocrine disrupting compounds]]. Till today however, no marine mammal died by the direct toxic effects of any organochlorine compound.  </div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>In the past decades [[organochlorine compounds|organochlorine]]-contaminant-related-mass-deaths have occurred in marine mammals. In Northern Europe, more then 20.000 seals have died <ins class="diffchange diffchange-inline">in 1988 </ins>due to seal plague. It is believed that the seal plague virus caused this extent of damage because the resistance of the seals was lowered due to toxins: a process called [[immunodeficiency]]. Later this virus caused mass mortalities of striped dolphins in the 1990-1992 period: More than 1000 dolphins died in the Mediterranean. Again it's believed that casualties were increased due to immunodeficiency caused by contaminants like PCBs. Actually proving the toxicological effects of contaminants in marine mammals is rather difficult due to logistical and ethical reasons. <ref>Sinderman, C.J. 1996. Ocean Pollution: Effects on Living Resources and Humans. CRC Press, Boca Raton, FL. 275 pp</ref> Some marine mammals have reproductive difficulties which might be related to high concentrations of DDTs or PCBs, which might act as [[endocrine disrupting compounds]]. Till today however, no marine mammal died by the direct toxic effects of any organochlorine compound.  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Although marine mammals are usually capable of detoxifying mercury, there have been reports of mercury intoxication and related deaths in marine mammals in 1968. These deaths occurred in an area with heavy industrial mercury dumping. <ref name = pub2>New perspectives: Toxicology and the environment. Toxicology of marine mammals, eds.J. Vos, G. Bossart, M. Fournier, and T. O'Shea, New York: Taylor & Francis. 643p</ref></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Although marine mammals are usually capable of detoxifying mercury, there have been reports of mercury intoxication and related deaths in marine mammals in 1968. These deaths occurred in an area with heavy industrial mercury dumping. <ref name = pub2>New perspectives: Toxicology and the environment. Toxicology of marine mammals, eds.J. Vos, G. Bossart, M. Fournier, and T. O'Shea, New York: Taylor & Francis. 643p</ref></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
</table>Daphnisd