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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1111/cobi.12342
|2 doi
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|a pubmed24n0800.xml
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|a (DE-627)NLM240216636
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|a (NLM)25040286
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Kelly, Terra R
|e verfasserin
|4 aut
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|a Spatiotemporal patterns and risk factors for lead exposure in endangered California condors during 15 years of reintroduction
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 06.07.2015
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|a Date Revised 12.11.2014
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2014 Society for Conservation Biology.
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|a Large-scale poisoning events are common to scavenging bird species that forage communally, many of which are in decline. To reduce the threat of poisoning and compensate for other persistent threats, management, including supplemental feeding, is ongoing for many reintroduced and endangered vulture populations. Through a longitudinal study of lead exposure in California condors (Gymnogyps californianus), we illustrate the conservation challenges inherent in reintroduction of an endangered species to the wild when pervasive threats have not been eliminated. We evaluated population-wide patterns in blood lead levels from 1997 to 2011 and assessed a broad range of putative demographic, behavioral, and environmental risk factors for elevated lead exposure among reintroduced California condors in California (United States). We also assessed the effectiveness of lead ammunition regulations within the condor's range in California by comparing condor blood lead levels before and after implementation of the regulations. Lead exposure was a pervasive threat to California condors despite recent regulations limiting lead ammunition use. In addition, condor lead levels significantly increased as age and independence from intensive management increased, including increasing time spent away from managed release sites, and decreasing reliance on food provisions. Greater independence among an increasing number of reintroduced condors has therefore elevated the population's risk of lead exposure and limited the effectiveness of lead reduction efforts to date. Our findings highlight the challenges of restoring endangered vulture populations as they mature and become less reliant on management actions necessary to compensate for persistent threats
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Buitre
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|a Gymnogyps californianus
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|a carroñero
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|a ecotoxicology
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|a ecotoxicología
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| 650 |
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|a enfermedad de vida silvestre
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| 650 |
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|a epidemiology
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|a epidemiología
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| 650 |
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|a scavenger
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|a vulture
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|a wildlife disease
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| 650 |
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|a Environmental Pollutants
|2 NLM
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| 650 |
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|a Lead
|2 NLM
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| 650 |
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7 |
|a 2P299V784P
|2 NLM
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| 700 |
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|a Grantham, Jesse
|e verfasserin
|4 aut
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| 700 |
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|a George, Daniel
|e verfasserin
|4 aut
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|a Welch, Alacia
|e verfasserin
|4 aut
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|a Brandt, Joseph
|e verfasserin
|4 aut
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|a Burnett, L Joseph
|e verfasserin
|4 aut
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|a Sorenson, Kelly J
|e verfasserin
|4 aut
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|a Johnson, Matthew
|e verfasserin
|4 aut
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|a Poppenga, Robert
|e verfasserin
|4 aut
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| 700 |
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|a Moen, David
|e verfasserin
|4 aut
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| 700 |
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|a Rasico, James
|e verfasserin
|4 aut
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|a Rivers, James W
|e verfasserin
|4 aut
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|a Battistone, Carie
|e verfasserin
|4 aut
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| 700 |
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|a Johnson, Christine K
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Conservation biology : the journal of the Society for Conservation Biology
|d 1999
|g 28(2014), 6 vom: 12. Dez., Seite 1721-30
|w (DE-627)NLM098176803
|x 1523-1739
|7 nnns
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| 773 |
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|g volume:28
|g year:2014
|g number:6
|g day:12
|g month:12
|g pages:1721-30
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|u http://dx.doi.org/10.1111/cobi.12342
|3 Volltext
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|d 28
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|h 1721-30
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