Rapid evolution of phenology during range expansion with recent climate change

© 2017 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 24(2018), 2 vom: 11. Feb., Seite e534-e544
1. Verfasser: Lustenhouwer, Nicky (VerfasserIn)
Weitere Verfasser: Wilschut, Rutger A, Williams, Jennifer L, van der Putten, Wim H, Levine, Jonathan M
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Dittrichia graveolens adaptation climate change contemporary evolution flowering time migration population spread range shift
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520 |a Although climate warming is expected to make habitat beyond species' current cold range edge suitable for future colonization, this new habitat may present an array of biotic or abiotic conditions not experienced within the current range. Species' ability to shift their range with climate change may therefore depend on how populations evolve in response to such novel environmental conditions. However, due to the recent nature of thus far observed range expansions, the role of rapid adaptation during climate change migration is only beginning to be understood. Here, we evaluated evolution during the recent native range expansion of the annual plant Dittrichia graveolens, which is spreading northward in Europe from the Mediterranean region. We examined genetically based differentiation between core and edge populations in their phenology, a trait that is likely under selection with shorter growing seasons and greater seasonality at northern latitudes. In parallel common garden experiments at range edges in Switzerland and the Netherlands, we grew plants from Dutch, Swiss, and central and southern French populations. Population genetic analysis following RAD-sequencing of these populations supported the hypothesized central France origins of the Swiss and Dutch range edge populations. We found that in both common gardens, northern plants flowered up to 4 weeks earlier than southern plants. This differentiation in phenology extended from the core of the range to the Netherlands, a region only reached from central France over approximately the last 50 years. Fitness decreased as plants flowered later, supporting the hypothesized benefits of earlier flowering at the range edge. Our results suggest that native range expanding populations can rapidly adapt to novel environmental conditions in the expanded range, potentially promoting their ability to spread 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Dittrichia graveolens 
650 4 |a adaptation 
650 4 |a climate change 
650 4 |a contemporary evolution 
650 4 |a flowering time 
650 4 |a migration 
650 4 |a population spread 
650 4 |a range shift 
700 1 |a Wilschut, Rutger A  |e verfasserin  |4 aut 
700 1 |a Williams, Jennifer L  |e verfasserin  |4 aut 
700 1 |a van der Putten, Wim H  |e verfasserin  |4 aut 
700 1 |a Levine, Jonathan M  |e verfasserin  |4 aut 
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773 1 8 |g volume:24  |g year:2018  |g number:2  |g day:11  |g month:02  |g pages:e534-e544 
856 4 0 |u http://dx.doi.org/10.1111/gcb.13947  |3 Volltext 
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