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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1111/cobi.12074
|2 doi
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|a pubmed24n0758.xml
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|a (DE-627)NLM227543599
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|a (NLM)23678946
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Tempel, Douglas J
|e verfasserin
|4 aut
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| 245 |
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|a Relation between occupancy and abundance for a territorial species, the California spotted owl
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|c 2013
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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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| 500 |
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|a Date Completed 08.05.2014
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|a Date Revised 30.09.2013
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2013 Society for Conservation Biology.
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|a Land and resource managers often use detection-nondetection surveys to monitor the populations of species that may be affected by factors such as habitat alteration, climate change, and biological invasions. Relative to mark-recapture studies, using detection-nondetection surveys is more cost-effective, and recent advances in statistical analyses allow the incorporation of detection probability, covariates, and multiple seasons. We examined the efficacy of using detection-nondetection data (relative to mark-recapture data) for monitoring population trends of a territorial species, the California Spotted Owl (Strix occidentalis occidentalis). We estimated and compared the finite annual rates of population change (λt ) and the resulting realized population change (Δt ) from both occupancy and mark-recapture data collected over 18 years (1993-2010). We used multiseason, robust-design occupancy models to estimate that territory occupancy declined during our study (Δt = 0.702, 95% CI 0.552-0.852) due to increasing territory extinction rates (ε(1993) = 0.019 [SE 0.012]; ε(2009) = 0.134 [SE 0.043]) and decreasing colonization rates (γ(1993) = 0.323 [SE 0.124]; γ(2009) = 0.242 [SE 0.058]). We used Pradel's temporal-symmetry model for mark-recapture data to estimate that the population trajectory closely matched the trends in territory occupancy (Δt = 0.725, 95% CI 0.445-1.004). Individual survival was constant during our study (φ(1993) = 0.816 [SE 0.020]; φ(2009) = 0.815 [SE 0.019]), whereas recruitment declined slightly (f(1993) = 0.195 [SE 0.032]; f(2009) = 0.160 [SE 0.023]). Thus, we concluded that detection-nondetection data can provide reliable inferences on population trends, especially when funds preclude more intensive mark-recapture studies
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Sierra Nevada
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|a Strix occidentalis occidentalis
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|a dinámica de poblaciones
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|a dynamic occupancy model
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|a modelo de ocupación dinámica
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| 650 |
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|a modelo de simetría temporal
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| 650 |
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|a population dynamics
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| 650 |
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|a temporal-symmetry model
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| 700 |
1 |
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|a Gutiérrez, R J
|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 27(2013), 5 vom: 05. Okt., Seite 1087-95
|w (DE-627)NLM098176803
|x 1523-1739
|7 nnns
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| 773 |
1 |
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|g volume:27
|g year:2013
|g number:5
|g day:05
|g month:10
|g pages:1087-95
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|u http://dx.doi.org/10.1111/cobi.12074
|3 Volltext
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