Assessment of organochlorine pesticides and metals in ring‐tailed lemurs (Lemur catta) at Beza Mahafaly Special Reserve, Madagascar
Identifieur interne : 000703 ( Main/Exploration ); précédent : 000702; suivant : 000704Assessment of organochlorine pesticides and metals in ring‐tailed lemurs (Lemur catta) at Beza Mahafaly Special Reserve, Madagascar
Auteurs : Thomas R. Rainwater [États-Unis] ; Michelle L. Sauther [États-Unis] ; Katherine A. E. Rainwater [États-Unis] ; Rachel E. Mills [États-Unis] ; Frank P. Cuozzo [États-Unis] ; Baohong Zhang [États-Unis] ; Les N. Mcdaniel [États-Unis] ; Michael T. Abel [États-Unis] ; Eric J. Marsland [États-Unis] ; Martha A. Weber [États-Unis] ; Ibrahim Antho Youssouf Jacky [Madagascar] ; Steven G. Platt [États-Unis] ; George P. Cobb [États-Unis] ; Todd A. Anderson [États-Unis]Source :
- American Journal of Primatology [ 0275-2565 ] ; 2009-12.
English descriptors
- KwdEn :
Abstract
Like most of Madagascar's endemic primates, ring‐tailed lemurs (Lemur catta) face a number of threats to their survival. Although habitat loss is of greatest concern, other anthropogenic factors including environmental contamination may also affect lemur health and survival. In this study, we examined ring‐tailed lemurs from the Beza Mahafaly Special Reserve (BMSR), southern Madagascar for exposure to organochlorine (OC) pesticides and metals and examined differences in contaminant concentrations between sexes and among age groups, troops, and habitats. A total of 14 pesticides and 13 metals was detected in lemur blood (24 individuals) and hair (65 individuals) samples, respectively. p,p′‐DDT, heptachlor, aldrin, heptachlor epoxide, endrin aldehyde, and endrin were among the most prevalent pesticides detected. Surprisingly, the persistent metabolite of p,p′‐DDT, p,p′‐DDE, was not detected. The most commonly detected metals were aluminum, zinc, boron, phosphorus, silicon, and copper, whereas metals considered more hazardous to wildlife (e.g. arsenic, cadmium, lead, selenium, vanadium) were not found above detection limits. Overall, concentrations of OC pesticides and metals were low and similar to those considered to be background concentrations in other studies examining the ecotoxicology of wild mammals. Few inter‐sex, ‐age, ‐troop, and ‐habitat differences in contaminant concentrations were observed, suggesting a uniform distribution of contaminants within the reserve. Several statistically significant relationships between lemur body size and contaminant concentrations were observed, but owing to the lack of supportive data regarding contaminant exposure in wild primates, the biological significance of these findings remains uncertain. Results of this study document exposure of ring‐tailed lemurs at BMSR to multiple OC pesticides and metals and provide essential baseline data for future health and toxicological evaluations of lemurs and other wild primates, especially those in regions with expanding agricultural and mining operations. Am. J. Primatol. 71:998–1010, 2009. © 2009 Wiley‐Liss, Inc.
Url:
DOI: 10.1002/ajp.20742
Affiliations:
- Madagascar, États-Unis
- Californie, Caroline du Nord, Caroline du Sud, Colorado, Dakota du Nord, Missouri (État), Texas
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Primatol.</title><idno type="ISSN">0275-2565</idno><idno type="eISSN">1098-2345</idno><imprint><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>Hoboken</pubPlace><date type="published" when="2009-12">2009-12</date><biblScope unit="volume">71</biblScope><biblScope unit="issue">12</biblScope><biblScope unit="page" from="998">998</biblScope><biblScope unit="page" to="1010">1010</biblScope></imprint><idno type="ISSN">0275-2565</idno></series><idno type="istex">EA08EB27DDCF560F252E0466147A48BC2B074E0D</idno><idno type="DOI">10.1002/ajp.20742</idno><idno type="ArticleID">AJP20742</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0275-2565</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>anthropogenic effects</term><term>conservation</term><term>metals</term><term>organochlorine pesticides</term><term>pollution</term><term>primate</term><term>toxicology</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Like most of Madagascar's endemic primates, ring‐tailed lemurs (Lemur catta) face a number of threats to their survival. Although habitat loss is of greatest concern, other anthropogenic factors including environmental contamination may also affect lemur health and survival. In this study, we examined ring‐tailed lemurs from the Beza Mahafaly Special Reserve (BMSR), southern Madagascar for exposure to organochlorine (OC) pesticides and metals and examined differences in contaminant concentrations between sexes and among age groups, troops, and habitats. A total of 14 pesticides and 13 metals was detected in lemur blood (24 individuals) and hair (65 individuals) samples, respectively. p,p′‐DDT, heptachlor, aldrin, heptachlor epoxide, endrin aldehyde, and endrin were among the most prevalent pesticides detected. Surprisingly, the persistent metabolite of p,p′‐DDT, p,p′‐DDE, was not detected. The most commonly detected metals were aluminum, zinc, boron, phosphorus, silicon, and copper, whereas metals considered more hazardous to wildlife (e.g. arsenic, cadmium, lead, selenium, vanadium) were not found above detection limits. Overall, concentrations of OC pesticides and metals were low and similar to those considered to be background concentrations in other studies examining the ecotoxicology of wild mammals. Few inter‐sex, ‐age, ‐troop, and ‐habitat differences in contaminant concentrations were observed, suggesting a uniform distribution of contaminants within the reserve. Several statistically significant relationships between lemur body size and contaminant concentrations were observed, but owing to the lack of supportive data regarding contaminant exposure in wild primates, the biological significance of these findings remains uncertain. Results of this study document exposure of ring‐tailed lemurs at BMSR to multiple OC pesticides and metals and provide essential baseline data for future health and toxicological evaluations of lemurs and other wild primates, especially those in regions with expanding agricultural and mining operations. Am. J. Primatol. 71:998–1010, 2009. © 2009 Wiley‐Liss, Inc.</div></front></TEI><affiliations><list><country><li>Madagascar</li><li>États-Unis</li></country><region><li>Californie</li><li>Caroline du Nord</li><li>Caroline du Sud</li><li>Colorado</li><li>Dakota du Nord</li><li>Missouri (État)</li><li>Texas</li></region></list><tree><country name="États-Unis"><region name="Texas"><name sortKey="Rainwater, Thomas R" sort="Rainwater, Thomas R" uniqKey="Rainwater T" first="Thomas R." last="Rainwater">Thomas R. Rainwater</name></region><name sortKey="Abel, Michael T" sort="Abel, Michael T" uniqKey="Abel M" first="Michael T." last="Abel">Michael T. Abel</name><name sortKey="Anderson, Todd A" sort="Anderson, Todd A" uniqKey="Anderson T" first="Todd A." last="Anderson">Todd A. Anderson</name><name sortKey="Cobb, George P" sort="Cobb, George P" uniqKey="Cobb G" first="George P." last="Cobb">George P. Cobb</name><name sortKey="Cuozzo, Frank P" sort="Cuozzo, Frank P" uniqKey="Cuozzo F" first="Frank P." last="Cuozzo">Frank P. Cuozzo</name><name sortKey="Marsland, Eric J" sort="Marsland, Eric J" uniqKey="Marsland E" first="Eric J." last="Marsland">Eric J. Marsland</name><name sortKey="Mcdaniel, Les N" sort="Mcdaniel, Les N" uniqKey="Mcdaniel L" first="Les N." last="Mcdaniel">Les N. Mcdaniel</name><name sortKey="Mills, Rachel E" sort="Mills, Rachel E" uniqKey="Mills R" first="Rachel E." last="Mills">Rachel E. Mills</name><name sortKey="Platt, Steven G" sort="Platt, Steven G" uniqKey="Platt S" first="Steven G." last="Platt">Steven G. Platt</name><name sortKey="Rainwater, Katherine A E" sort="Rainwater, Katherine A E" uniqKey="Rainwater K" first="Katherine A. E." last="Rainwater">Katherine A. E. Rainwater</name><name sortKey="Rainwater, Thomas R" sort="Rainwater, Thomas R" uniqKey="Rainwater T" first="Thomas R." last="Rainwater">Thomas R. Rainwater</name><name sortKey="Sauther, Michelle L" sort="Sauther, Michelle L" uniqKey="Sauther M" first="Michelle L." last="Sauther">Michelle L. Sauther</name><name sortKey="Weber, Martha A" sort="Weber, Martha A" uniqKey="Weber M" first="Martha A." last="Weber">Martha A. Weber</name><name sortKey="Zhang, Baohong" sort="Zhang, Baohong" uniqKey="Zhang B" first="Baohong" last="Zhang">Baohong Zhang</name><name sortKey="Zhang, Baohong" sort="Zhang, Baohong" uniqKey="Zhang B" first="Baohong" last="Zhang">Baohong Zhang</name></country><country name="Madagascar"><noRegion><name sortKey="Youssouf Jacky, Ibrahim Antho" sort="Youssouf Jacky, Ibrahim Antho" uniqKey="Youssouf Jacky I" first="Ibrahim Antho" last="Youssouf Jacky">Ibrahim Antho Youssouf Jacky</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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