02447nas a2200193   4500008004100000245012200041210006900163300001400232490000700246520174000253653000901993100002502002700002502027700001702052700002102069700001402090700002002104856012902124       2005                        eng d00aAccumulation profiles of persistent organochlorines in liver and fat tissues of various waterbird species from Greece0 aAccumulation profiles of persistent organochlorines in liver and  a1392-14090 v633 aWaterbirds are particularly subject to accumulation of persistent organic pollutants (POPs) that have been shown to constitute a major hazard for this group of birds. Liver and fat tissue from ten species belonging to the orders Ciconiformes (Ardeidae, Ciconiidae, Phoenicopteridae) and Pelicaniformes (Pelecanidae, Phalacrocoracidae) were used as bioindicators in order to assess environmental pollution by POPs (HCHs, DDTs, cyclodienes, PCBs) in Greek wetlands. To our knowledge, this is the first study on POPs in livers of water birds in Greece and Eastern Mediterranean area. The DDTs consisted mainly of p,p'-DDE with percentages over 60% in the great majority of the samples. The highest summation SigmaDDT concentrations were measured in the liver and subcutaneous fat of Phoenicopterus rubber and in Ardea purpurea liver (15565, 24706 and 10406 ng g(-1) wet weight, respectively). Low concentrations of cyclodienes (Cycls) and HCHs were detected occasionally and the contamination pattern of OCPs in most species of waterbirds followed the order summation SigmaDDTs> summation SigmaCycls> summation SigmaHCHs. Individual values of total PCBs reached the levels of 4468 and 3252 ng g(-1) wet weight, for Nycticorax nycticorax and Egretta garzetta samples respectively. Some of the recorded differences in organochlorine concentrations could be due to different causes of death, with a subsequent effect on body lipid levels. Organochlorine pesticides and PCBs residues were lower than those commonly associated with mortality and reduced reproductive success in most species. However, low level exposure to these contaminants may constitute one of the many stressors that in combination could adversely affect bird populations.10aAves1 aSakellarides, T., M.1 aKonstantinou, I., K.1 aHela, D., G.1 aLambropoulou, D.1 aDimou, A.1 aAlbanis, T., A.  uhttps://icgf.myspecies.info/content/accumulation-profiles-persistent-organochlorines-liver-and-fat-tissues-various-waterbird00674nas a2200193   4500008004100000245008900041210006900130260001300199300001200212490000700224653000900231100001700240700002500257700002500282700002500307700001700332700002000349856011100369       2006                        eng d00aPersistent organochlorine contaminants in liver and fat of birds of prey from Greece0 aPersistent organochlorine contaminants in liver and fat of birds  bSpringer  a603-6130 v5010aAves1 aHela, D., G.1 aKonstantinou, I., K.1 aSakellarides, T., M.1 aLambropoulou, D., A.1 aAkriotis, T.1 aAlbanis, T., A.  uhttps://icgf.myspecies.info/content/persistent-organochlorine-contaminants-liver-and-fat-birds-prey-greece03344nas a2200337   4500008004500000020001400045245016000059210006900219260000800288300001200296490000700308520215400315653002902469653003002498653001602528653004002544653002502584653002902609653003302638653003502671653001002706653002002716653002202736100001902758700002502777700001602802700002502818700002002843700001702863856012602880       2007                        Engldsh    a0090-434100aPCB levels and accumulation patterns in waterbird eggs and in their prey at lake Kerkini, a north-eastern Mediterranean wetland of international importance0 aPCB levels and accumulation patterns in waterbird eggs and in th  cAug  a249-2600 v533 aSeven "target" PCB levels were determined and compared in waterbird eggs, in their prey, and in water at Lake Kerkini, northern Greece, to investigate PCB bioaccumulation patterns and to define the best bioindicator of target PCBs for this area. PCBs were analysed from eggs of Phalacrocorax carbo, Podiceps cristatus, Ardea cinerea, Egretta garzetta, and Nycticorax nycticorax and from prey types Alburnus alburnus, Rutilus rutilus, Lepomis gibbosus. Carassius auratus, and Rana sp. PCBs analysed were detected in all bird eggs, prey, and water but contamination patterns differed among these sample types. The lipid-corrected geometric means of the congeners analysed were significantly different among most bird species and among some prey species. PCB congeners 118, 138, 153, and 180 accounted for around 80% of the total PCB contamination in bird egg samples. Percent congener concentrations of high-chlorinated PCBs tended to increase from water through prey to most bird egg samples whereas the low chlorinated PCBs (28 and 52) decreased. Bioaccumulation factors (BAFs) also exhibited an increasing trend for higher chlorinated PCBs from prey types to bird eggs. The greatest BAFs of six of the congeners were shared between Phalacrocorax carbo and Ardea cinerea. Among prey, the BAFs of four PCBs were highest in Lepomis gibbosus. Biomagnification factors varied between 1.01 and 39.57. In contrast to low chlorinated PCBs, high chlorinated congeners biomagnified considerably through fish prey. The highest biomagnification took place in Phalacrocorax carbo. No relationship was found between the lipid content of samples and BAFs of PCBs probably due to biotransformation differences of the congeners in the biota sampled. Due to the greatest PCB concentrations especially of the higher chlorinated PCBs in the eggs of Phalacrocorax carbo and its considerable bioaccumulation tendencies, it is proposed as the best PCB biomonitor of target PCBs at Lake Kerkini. Lepomis gibbosus had the highest concentrations of most congeners and exhibited the greatest bioaccumulative properties among prey and can be used as an alternative biomonitor.10aCHLORINATED HYDROCARBONS10aDOUBLE-CRESTED CORMORANTS10aFRESH-WATER10aOCTANOL/WATER PARTITION-COEFFICIENT10aORGANIC CONTAMINANTS10aORGANOCHLORINE COMPOUNDS10aPHALACROCORAX-CARBO-SINENSIS10aPOLYCHLORINATED-BIPHENYLS PCBS10aroach10aRUTILUS-RUTILUS10aSAN-FRANCISCO BAY1 aAntoniadou, V.1 aKonstantinou, I., K.1 aGoutner, V.1 aSakellarides, T., M.1 aAlbanis, T., A.1 aBintoudi, E.  uhttps://icgf.myspecies.info/content/pcb-levels-and-accumulation-patterns-waterbird-eggs-and-their-prey-lake-kerkini-north