Datensatz:

A genetically based ecological trade-off contributes to setting a geographic range limit

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Datum der Erstveröffentlichung

2021

Autor:innen

Mauro, Alexander
Marshall, Craig
Ghalambor, Cameron

Andere Beitragende

Repositorium der Erstveröffentlichung

DRYAD

Version des Datensatzes

DOI (Link zu den Daten)
https://doi.org/10.5061/dryad.41ns1rnf4
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Creative Commons Zero v1.0 Universal

Angaben zur Forschungsförderung

U.S. National Science Foundation (NSF): IOS-1457383
U.S. National Science Foundation (NSF): DEB-1011655
U.S. National Science Foundation (NSF): DGE-1450032

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Publikationsstatus
Published

Zusammenfassung

Understanding the ecological factors that shape geographic range limits and the evolutionary constraints that prevent populations from adaptively evolving beyond these limits is an unresolved question. Here, we investigated why the euryhaline fish, Poecila reticulata, is confined to freshwater within its native range, despite being tolerant of brackish water. We hypothesized that competitive interactions with a close relative, Poecilia picta, in brackish water prevents P. reticulata from colonizing brackish water. Using a combination of field transplant, common garden breeding, and laboratory behavior experiments we find support for this hypothesis, as P. reticulata are behaviorally subordinate and have lower survival in brackish water with P. picta. We also found a negative genetic correlation between P. reticulata growth in brackish water versus freshwater in the presence of P. picta, suggesting a genetically based trade-off between salinity tolerance and competitive ability could constrain adaptive evolution at the range limit.

Zusammenfassung in einer weiteren Sprache

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570 Biowissenschaften, Biologie

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FOS: Biological sciences, FOS: Biological sciences

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Zeitschriftenartikel
A genetically based ecological trade-off contributes to setting a geographic range limit
(2021) Mauro, Alexander A.; Torres-Dowdall, Julián; Marshall, Craig A.; Ghalambor, Cameron K.
Erschienen in: Ecology Letters. Wiley. 2021, 24(12), S. 2739-2749. ISSN 1461-023X. eISSN 1461-0248. Verfügbar unter: doi: 10.1111/ele.13900
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ISO 690MAURO, Alexander, Julián TORRES-DOWDALL, Craig MARSHALL, Cameron GHALAMBOR, 2021. A genetically based ecological trade-off contributes to setting a geographic range limit
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