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Human activities in the Sabana de Bogotá, Colombia, release toxic metals such as lead (Pb) and chromium (Cr) into the environment polluting the air, water, and soil. Because birds are in contact with these pollutants and their sources, they may serve as bioindicator organisms. We evaluated the use of hummingbird feathers obtained from individuals captured in three sites of the Sabana de Bogotá as bioindicators of toxic metal pollution using spectrophotometric and spectroscopic methods based on single-feather samples. We also characterized the bacterial microbiota associated with hummingbird feathers by molecular identification using the 16S rRNA with a special focus on sporulated bacteria. Finally, we described the interactions which naturally occur among the feathers, their associated bacteria, and pollutants. We found differences in Pb and Cr concentrations between sampling sites, which ranged from 2.11 to 4.69 ppm and 0.38 to 3.00 ppm, respectively. This may reflect the impact of the activities held in those sites which release pollutants to the environment. Bacterial assemblages mainly consisted of sporulated bacilli in the Bacillaceae family (65.7 \\% of the identified morphotypes). We conclude that the feathers of wild tropical birds, including hummingbirds, can be used as lead and chromium bioindicators and that bacteria growing on feathers may in fact interact with these two toxic metals.", "issn" : "0944-1344", "doi" : "10.1007/s11356-016-7506-3", "bibtexKey": "Gongora2016" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/209591257afbc25f0318351cd066fd616/ischwittlinsky", "tags" : [ "de","Bioindicator,Chromium,Feathers,Lead,Sabana","Bogot{\\'{a}},Spore-forming","bacteria,Trochilidae" ], "intraHash" : "09591257afbc25f0318351cd066fd616", "interHash" : "5f0951ca63cfab9279af3f69ede9ec53", "label" : "Toxic metals and associated sporulated bacteria on Andean hummingbird feathers", "user" : "ischwittlinsky", "description" : "", "date" : "2024-08-28 11:25:36", "changeDate" : "2024-08-28 11:25:36", "count" : 2, "pub-type": "article", "journal": "Environmental Science and Pollution Research", "year": "2016", "url": "http://link.springer.com/10.1007/s11356-016-7506-3", "author": [ "Esteban Góngora","Carlos Daniel Cadena","Jenny Dussán" ], "authors": [ {"first" : "Esteban", "last" : "Góngora"}, {"first" : "Carlos Daniel", "last" : "Cadena"}, {"first" : "Jenny", "last" : "Dussán"} ], "volume": "23","number": "22","pages": "22968--22979","abstract": "© 2016, Springer-Verlag Berlin Heidelberg. Human activities in the Sabana de Bogotá, Colombia, release toxic metals such as lead (Pb) and chromium (Cr) into the environment polluting the air, water, and soil. Because birds are in contact with these pollutants and their sources, they may serve as bioindicator organisms. We evaluated the use of hummingbird feathers obtained from individuals captured in three sites of the Sabana de Bogotá as bioindicators of toxic metal pollution using spectrophotometric and spectroscopic methods based on single-feather samples. We also characterized the bacterial microbiota associated with hummingbird feathers by molecular identification using the 16S rRNA with a special focus on sporulated bacteria. Finally, we described the interactions which naturally occur among the feathers, their associated bacteria, and pollutants. We found differences in Pb and Cr concentrations between sampling sites, which ranged from 2.11 to 4.69 ppm and 0.38 to 3.00 ppm, respectively. This may reflect the impact of the activities held in those sites which release pollutants to the environment. Bacterial assemblages mainly consisted of sporulated bacilli in the Bacillaceae family (65.7 \\% of the identified morphotypes). We conclude that the feathers of wild tropical birds, including hummingbirds, can be used as lead and chromium bioindicators and that bacteria growing on feathers may in fact interact with these two toxic metals.", "issn" : "0944-1344", "doi" : "10.1007/s11356-016-7506-3", "bibtexKey": "Gongora2016" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2848f17c120bc721669ef02c7e321cea9/roberta.toscano", "tags" : [ "(02).","Censorinus,","De","Grammaticus","Grammaticus,","die","importzotero","natali","{\\textless}2002-{\\textgreater}." ], "intraHash" : "848f17c120bc721669ef02c7e321cea9", "interHash" : "d61ce2d490d8b32e8b48e668392ba4a7", "label" : "Betrachtungen zum Tag der Geburt", "user" : "roberta.toscano", "description" : "", "date" : "2024-05-27 08:58:38", "changeDate" : "2024-05-27 08:58:38", "count" : 2, "pub-type": "book", "publisher":"Teubner","address":"Leipzig", "year": "1988", "url": "", "editor": [ "Grammaticus [Verfasser/in] Censorinus, Grammaticus","Klaus [Herausgeber/in] Sallmann" ], "editors": [ {"first" : "Grammaticus [Verfasser/in]", "last" : "Censorinus, Grammaticus"}, {"first" : "Klaus [Herausgeber/in]", "last" : "Sallmann"} ], "isbn" : "3-322-00455-4", "language" : "Latein", "bibtexKey": "censorinus_betrachtungen_1988" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2c17a5b2f9bd578ae66e09793e1d32840/roberta.toscano", "tags" : [ "(160-225).","De","Florens","Florens.","Quintus","Septimius","Tertullianus","Tertullianus,","castitatis","castitatis,","exhortatione","importzotero","{\\textless}150-230{\\textgreater}." ], "intraHash" : "c17a5b2f9bd578ae66e09793e1d32840", "interHash" : "9cb5a1eabf202ac246a28b8164afa766", "label" : "De exhortatione castitatis", "user" : "roberta.toscano", "description" : "", "date" : "2024-05-27 08:58:38", "changeDate" : "2024-05-27 08:58:38", "count" : 2, "pub-type": "book", "series": "Beiträge zur Altertumskunde ; 2","publisher":"Teubner","address":"Stuttgart", "year": "1990", "url": "", "editor": [ "Quintus Septimius Florens [Verfasser/in] Tertullianus","Hans-Veit [Herausgeber/in] Friedrich" ], "editors": [ {"first" : "Quintus Septimius Florens [Verfasser/in]", "last" : "Tertullianus"}, {"first" : "Hans-Veit [Herausgeber/in]", "last" : "Friedrich"} ], "isbn" : "3-519-07451-6", "language" : "Latein", "bibtexKey": "tertullianus_exhortatione_1990" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2d1acae4b11091161f832975f82e262c0/roberta.toscano", "tags" : [ "(01).","De","Plutarchus","Pythiae","importzotero","oraculis","{\\textless}2045-120{\\textgreater}." ], "intraHash" : "d1acae4b11091161f832975f82e262c0", "interHash" : "85aed6ee9ef53f3dd14040409075db46", "label" : "Plutarchs Schrift De Pythiae oraculis: Text, Einleitung und Kommentar", "user" : "roberta.toscano", "description" : "", "date" : "2024-05-27 08:58:38", "changeDate" : "2024-05-27 08:58:38", "count" : 2, "pub-type": "book", "series": "Beiträge zur Altertumskunde ; 8","publisher":"Teubner","address":"Stuttgart", "year": "1990", "url": "", "editor": [ "Stephan [Verfasser/in] Schröder","Plutarchus [Verfasser/in" ], "editors": [ {"first" : "Stephan [Verfasser/in]", "last" : "Schröder"}, {"first" : "Plutarchus", "last" : "[Verfasser/in"} ], "note": "Type: Kommentar", "isbn" : "3-519-07457-5", "language" : "Deutsch", "bibtexKey": "schroder_plutarchs_1990" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2640c3a1e6506ae3d89634d054c11e110/roberta.toscano", "tags" : [ "(01).","Authors","Biography.","De","Epic","Greek.","History","Homer.","Homero","Homero.","Plutarchus","Textkritik.","and","criticism,","importzotero","poetry,","{\\textless}2045-120{\\textgreater}." ], "intraHash" : "640c3a1e6506ae3d89634d054c11e110", "interHash" : "17b10ebdf0c3228b0546334ea4620de6", "label" : "(Plutarchi) De Homero", "user" : "roberta.toscano", "description" : "", "date" : "2024-05-27 08:58:38", "changeDate" : "2024-05-27 08:58:38", "count" : 2, "pub-type": "book", "series": "Bibliotheca scriptorum Graecorum et Romanorum Teubneriana","publisher":"Teubner","address":"Leipzig", "year": "1990", "url": "", "editor": [ " Plutarchus","Jan Fredrik [Herausgeber/in] Kindstrand" ], "editors": [ {"first" : "", "last" : "Plutarchus"}, {"first" : "Jan Fredrik [Herausgeber/in]", "last" : "Kindstrand"} ], "isbn" : "3-322-00744-8", "language" : "Altgriechisch (bis 1453)", "bibtexKey": "plutarchus_plutarchi_1990" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/23b3e891111bff581c91d8d467728b084/droessler", "tags" : [ "access","de","gruyter","oa","open","publizieren","verlag","wissenschaftliches" ], "intraHash" : "3b3e891111bff581c91d8d467728b084", "interHash" : "3006ebc224c3957fce5f71301c66504f", "label" : "Offene Wissenschaft: Digitale Hochschulen sind noch Utopie", "user" : "droessler", "description" : "", "date" : "2021-06-29 23:06:55", "changeDate" : "2021-06-29 21:06:55", "count" : 1, "pub-type": "article", "journal": "Handelsblatt", "year": "2018", "url": "", "author": [ "Barbara Gillmann" ], "authors": [ {"first" : "Barbara", "last" : "Gillmann"} ], "number": "97","pages": "10", "bibtexKey": "buhr2018offene" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/237694d05d34c006852018b95c64bbba1/raphei", "tags" : [ "Aktienrückkauf,","Capital","Economic","Event","Institutional","Institutionelle","Kapitalmarktstrategie,","Rachat","Regel,","Règles","Sciences,","Share","Social","Sociologie","Sociology,","Stratégie","Wirtschaftssoziologie","capitaux,","de","des","d\u2019actions,","d\u2019événement,","general,","institutionnelles,","le","l\u2019économie,","marché","market","positionnement","repurchase,","rule,","sociology,","strategy,","studies,","sur","Étude" ], "intraHash" : "37694d05d34c006852018b95c64bbba1", "interHash" : "b19e4ce570844fbec47f2cbd5936711c", "label" : "Die Bedeutung institutioneller Regeln für das Handeln an Börsen. Eine soziologische Perspektive auf Aktienrückkäufe in Deutschland", "user" : "raphei", "description" : "", "date" : "2020-05-04 15:23:37", "changeDate" : "2020-05-04 13:23:37", "count" : 1, "pub-type": "article", "journal": "Berliner Journal für Soziologie", "year": "2015", "url": "http://link.springer.com/article/10.1007/s11609-015-0286-7", "author": [ "Raphael H. Heiberger" ], "authors": [ {"first" : "Raphael H.", "last" : "Heiberger"} ], "volume": "25","number": "3","pages": "303--331","abstract": "The amendment of the German Stock Companies Act in 1998 regarding the repurchase of shares makes it possible to study the acceptance of a capital market strategy at managerial level as well as its effects on investors. Both are sociologically intertwined with the belief of the agents in the efficiency of share repurchases. In the U.S., this pattern has been observed ever since the prevailing of the \u201CAgency Logic\u201D. Based on the largest data set so far, the paper shows that repurchase programs have also been well established in the German business world in the meantime. Short-term market reactions are significantly positive and imply an informal, yet institutionalized rule of action for investors. However, both trends apply especially in times of negative markets and, generally, not in the long-run\u2014which makes them a \u201Cbad signal\u201D for private investors. The results present robust evidence in central aspects against the dominant economic explanation (the \u201CSignalling Theory\u201D) and suggest practical actions for politicians, entrepreneurs and investors.", "language" : "de", "file" : "Snapshot:C\\:\\\\Users\\\\ac135138\\\\Zotero\\\\storage\\IJ7D24VB\\\\s11609-015-0286-7.html:text/html", "issn" : "0863-1808, 1862-2593", "doi" : "10.1007/s11609-015-0286-7", "urldate" : "2015-10-30", "bibtexKey": "heiberger_bedeutung_2015" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/21a8bfbf3ee45f4fec0c3b8e26277a037/ier_savvidis", "tags" : [ "bw","de","energiesystem","simulation","speicherbedarf","zsw" ], "intraHash" : "1a8bfbf3ee45f4fec0c3b8e26277a037", "interHash" : "b442f8ca118632d467db3a4aeb95a89d", "label" : "Dynamische Simulation der Ausbauszenarien für erneuerbare Stromversorgung in Baden-Württemberg bis 2050 nach dem Gutachten zur Vorbereitung eines Klimaschutzgesetzes (SimBW) - Speicherbedarf in Deutschland und Baden-Württemberg", "user" : "ier_savvidis", "description" : "", "date" : "2016-03-14 12:41:27", "changeDate" : "2016-03-14 14:57:00", "count" : 1, "pub-type": "techreport", "year": "2014", "url": "http://www.zsw-bw.de/infoportal/downloads/studien.html?eID=nfcmedialibrary&tx_nfcmedialibrary_pi1%5Buid%5D=1595&tx_nfcmedialibrary_pi1%5Bdownuid%5D=1595", "author": [ "Holger Höfling","Michael Capota","Henning Jachmann" ], "authors": [ {"first" : "Holger", "last" : "Höfling"}, {"first" : "Michael", "last" : "Capota"}, {"first" : "Henning", "last" : "Jachmann"} ], "bibtexKey": "hofling2014dynamische" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/233b29b472dabf74ced7b2f3209d0cee3/droessler", "tags" : [ "argentinien","de","der","folter","justiz","mayo","menschenrechte","mütter","plaza","politik","straflosigkeit","strafrecht","strafverfolgung","verschwindenlassen","videla" ], "intraHash" : "33b29b472dabf74ced7b2f3209d0cee3", "interHash" : "c4d4ab167fb5afe9154008d7f357c3ce", "label" : "Kampf gegen die Straflosigkeit : Argentiniens Militärs vor Gericht", "user" : "droessler", "description" : "Kampf gegen Straflosigkeit - Argentiniens Militärs vor Gericht WAT: Amazon.de: Wolfgang Kaleck: Bücher", "date" : "2016-02-25 21:39:37", "changeDate" : "2016-11-25 10:28:44", "count" : 1, "pub-type": "book", "publisher":"Wagenbach","address":"Berlin", "year": "2010", "url": "http://www.amazon.de/Kampf-gegen-Straflosigkeit-Argentiniens-Milit%C3%A4rs/dp/3803126460/ref=pd_sim_14_2?ie=UTF8&dpID=4187qUCBSML&dpSrc=sims&preST=_AC_UL160_SR101%2C160_&refRID=0V203171KQC6FNZZVJSA", "author": [ "Wolfgang Kaleck" ], "authors": [ {"first" : "Wolfgang", "last" : "Kaleck"} ], "timestamp" : "2016-02-25 09:39:37", "username" : "droessler", "intrahash" : "33b29b472dabf74ced7b2f3209d0cee3", "isbn" : "9783803126467 3803126460", "interhash" : "c4d4ab167fb5afe9154008d7f357c3ce", "refid" : "680661224", "groups" : "public", "bibtexKey": "Kaleck2010" } ] }