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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.13671
|2 doi
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|a pubmed25n0897.xml
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|a (DE-627)NLM269238360
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|a (NLM)28231634
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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 Li, Kevin
|e verfasserin
|4 aut
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| 245 |
1 |
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|a From endogenous to exogenous pattern formation
|b Invasive plant species changes the spatial distribution of a native ant
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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 Invasive species are a significant threat to global biodiversity, but our understanding of how invasive species impact native communities across space and time remains limited. Based on observations in an old field in Southeast Michigan spanning 35 years, our study documents significant impacts of habitat change, likely driven by the invasion of the shrub, Elaeagnus umbellata, on the nest distribution patterns and population demographics of a native ant species, Formica obscuripes. Landcover change in aerial photographs indicates that E. umbellata expanded aggressively, transforming a large proportion of the original open field into dense shrubland. By comparing the ant's landcover preferences before and after the invasion, we demonstrate that this species experienced a significant unfavorable change in its foraging areas. We also find that shrub landcover significantly moderates aggression between nests, suggesting nests are more related where there is more E. umbellata. This may represent a shift in reproductive strategy from queen flights, reported in the past, to asexual nest budding. Our results suggest that E. umbellata may affect the spatial distribution of F. obscuripes by shifting the drivers of nest pattern formation from an endogenous process (queen flights), which led to a uniform pattern, to a process that is both endogenous (nest budding) and exogenous (loss of preferred habitat), resulting in a significantly different clustered pattern. The number and sizes of F. obscuripes nests in our study site are projected to decrease in the next 40 years, although further study of this population's colony structures is needed to understand the extent of this decrease. Elaeagnus umbellata is a common invasive shrub, and similar impacts on native species might occur in its invasive range, or in areas with similar shrub invasions
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|a Journal Article
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|a Elaeagnus umbellata
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| 650 |
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|a Formica obscuripes
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| 650 |
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|a autumn olive
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| 650 |
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|a invasive species
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| 650 |
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4 |
|a landcover change
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| 650 |
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4 |
|a pattern formation
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| 650 |
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4 |
|a spatial distribution
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| 650 |
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4 |
|a thatching ant
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| 700 |
1 |
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|a He, Yifan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Campbell, Susanna K
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Colborn, A Shawn
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jackson, Eliot L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Martin, Austin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Monagan, Ivan V
|c Jr
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ong, Theresa Wei Ying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Perfecto, Ivette
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Global change biology
|d 1999
|g 23(2017), 6 vom: 01. Juni, Seite 2250-2261
|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:6
|g day:01
|g month:06
|g pages:2250-2261
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| 856 |
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|u http://dx.doi.org/10.1111/gcb.13671
|3 Volltext
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