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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.13589
|2 doi
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|a pubmed24n0892.xml
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|a (DE-627)NLM267640048
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|a (NLM)28045226
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Flockhart, D T Tyler
|e verfasserin
|4 aut
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| 245 |
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|a Regional climate on the breeding grounds predicts variation in the natal origin of monarch butterflies overwintering in Mexico over 38 years
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 20.10.2017
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|a Date Revised 02.12.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2017 John Wiley & Sons Ltd.
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|a Addressing population declines of migratory insects requires linking populations across different portions of the annual cycle and understanding the effects of variation in weather and climate on productivity, recruitment, and patterns of long-distance movement. We used stable H and C isotopes and geospatial modeling to estimate the natal origin of monarch butterflies (Danaus plexippus) in eastern North America using over 1000 monarchs collected over almost four decades at Mexican overwintering colonies. Multinomial regression was used to ascertain which climate-related factors best-predicted temporal variation in natal origin across six breeding regions. The region producing the largest proportion of overwintering monarchs was the US Midwest (mean annual proportion = 0.38; 95% CI: 0.36-0.41) followed by the north-central (0.17; 0.14-0.18), northeast (0.15; 0.11-0.16), northwest (0.12; 0.12-0.16), southwest (0.11; 0.08-0.12), and southeast (0.08; 0.07-0.11) regions. There was no evidence of directional shifts in the relative contributions of different natal regions over time, which suggests these regions are comprising the same relative proportion of the overwintering population in recent years as in the mid-1970s. Instead, interannual variation in the proportion of monarchs from each region covaried with climate, as measured by the Southern Oscillation Index and regional-specific daily maximum temperature and precipitation, which together likely dictate larval development rates and food plant condition. Our results provide the first robust long-term analysis of predictors of the natal origins of monarchs overwintering in Mexico. Conservation efforts on the breeding grounds focused on the Midwest region will likely have the greatest benefit to eastern North American migratory monarchs, but the population will likely remain sensitive to regional and stochastic weather patterns
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|a Journal Article
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|a Asclepias
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4 |
|a Danaus plexippus
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| 650 |
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4 |
|a carbon
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| 650 |
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4 |
|a hydrogen
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| 650 |
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4 |
|a migratory connectivity
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| 650 |
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4 |
|a provenance
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| 650 |
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4 |
|a seasonal migration
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| 650 |
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4 |
|a stable isotopes
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| 700 |
1 |
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|a Brower, Lincoln P
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ramirez, M Isabel
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hobson, Keith A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wassenaar, Leonard I
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Altizer, Sonia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Norris, D Ryan
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Global change biology
|d 1999
|g 23(2017), 7 vom: 08. Juli, Seite 2565-2576
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
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|g volume:23
|g year:2017
|g number:7
|g day:08
|g month:07
|g pages:2565-2576
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|u http://dx.doi.org/10.1111/gcb.13589
|3 Volltext
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