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dc.contributor.authorPineda-Pampliega, Javier-
dc.contributor.authorHöfle, Ursula-
dc.identifier.citation1st International White Stork Conference (2014)-
dc.descriptionResumen del trabajo presentado al 1st International White Stork Conference celebrado en Zielona Góra (Poland) del 4 al 6 de septiembre de 2014.-
dc.description.abstractThe Spanish populations of the White Stork (Ciconia ciconia) suffered a marked decline in Spain until de 1980s of the last century due to the alteration of their feeding areas. However, in the last decades those populations have recovered mainly due to new food resources: rubbish dumps. An unlimited supply of food all year round also means exposure to several human-generated pollutants. Individual storks feeding there must develop different mechanisms of adaptation to allow use of this resource without a detrimental health status. We sampled chicks from four colonies along a feeding gradient, i.e. individuals being fed completely natural food to those exclusively with food items from rubbish dumps. Blood samples allowed the evaluation of nutritional and general health status and oxidant/antioxidant balance. Regarding nutritional status, chicks fed with natural food showed lower concentrations of albumin, glucose, cholesterol and triglycerides, indicative of lower ingestion rates. The AST, ALT and alkaline phosphatase, as indicators of hepatic alterations, and creatinine and creatine kinase, as indicators of renal function, showed no differences between populations, indicating no differences regarding health status. Deregulation of oxidant / antioxidant balance is a main mechanism of damage of many pollutants. We found significant differences in the oxidative damage indicative parameters, with lower values of LDH, plasmatic MDA and ROMs in individuals which fed in rubbish dumps. These results agree with higher values of two non-enzymatic endogenous antioxidants, i.e. glutathione and uric acid, in these individuals. The use of rubbish dumps as areas to obtain food have allowed White Storks to increase their population numbers. They show a better nutritional status due to the high presence of food, without alteration of their health status or their oxidant / antioxidant balance.-
dc.titleAdaptation to anthropized environments: the case of White Stork Ciconia ciconia-
dc.typecomunicación de congreso-
dc.description.versionPeer Reviewed-
Appears in Collections:(IREC) Comunicaciones congresos
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