Evolutionary responses to global change: lessons from invasive species

Moran, Emily; Alexander, Jake M.

doi:10.1111/ele.12262

Cited by 249 publications

(221 citation statements)

References 108 publications

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“…2001). However, a lack of genetic diversity does not necessarily preclude population growth or adaptation (Dlugosch and Parker 2008; Moran and Alexander 2014). Thus, there is considerable interest in understanding whether invasive species experience losses of genetic diversity and whether such losses are associated with invasion success (Dlugosch and Parker 2008; Purcell et al.…”

Section: Discussionmentioning

confidence: 99%

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Population genetic structure of the predatory, social wasp Vespula pensylvanica in its native and invasive range

Chau

Hanna

Jenkins

et al. 2015

Ecology and Evolution

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Invasive species cause extensive damage to their introduced ranges. Ocean archipelagos are particularly vulnerable to invasive taxa. In this study, we used polymorphic microsatellite markers to investigate the genetic structure of the social wasp Vespula pensylvanica in its native range of North America and its introduced range in the archipelago of Hawaii. Our goal was to gain a better understanding of the invasion dynamics of social species and the processes affecting biological invasions. We found that V. pensylvanica showed no significant genetic isolation by distance and little genetic structure over a span of 2000 km in its native range. This result suggests that V. pensylvanica can successfully disperse across large distances either through natural‐ or human‐mediated mechanisms. In contrast to the genetic patterns observed in the native range, we found substantial genetic structure in the invasive V. pensylvanica range in Hawaii. The strong patterns of genetic differentiation within and between the Hawaiian Islands may reflect the effects of geographic barriers and invasion history on gene flow. We also found some evidence for gene flow between the different islands of Hawaii which was likely mediated through human activity. Overall, this study provides insight on how geographic barriers, invasion history, and human activity can shape population genetic structure of invasive species.

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Section: Discussionmentioning

confidence: 99%

“…Thus, there is considerable interest in understanding whether invasive species experience losses of genetic diversity and whether such losses are associated with invasion success (Dlugosch and Parker 2008; Purcell et al. 2012; Moran and Alexander 2014). …”

Section: Discussionmentioning

confidence: 99%

Population genetic structure of the predatory, social wasp Vespula pensylvanica in its native and invasive range

Chau

Hanna

Jenkins

et al. 2015

Ecology and Evolution

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“…Of the studies that tested for geographical clines in plasticity, the majority focused on either latitudinal or altitudinal clines because of their clear associations with the mean and variation in temperature (Moran and Alexander 2014). However, climatic variables and variation therein can also change along longitudinal clines (Shi 2004).…”

Section: Longitudinal Pattern Of Phenotypic Plasticity To Water Availmentioning

confidence: 99%

“…High phenotypic plasticity is also likely to contribute to the spread of invasive alien plants (Baker 1965;Richards et al 2006;MolinaMontenegro et al 2013;Keser et al 2014; but see Davidson et al 2011). Rapid adaptive evolution along environmental gradients is also commonly observed in invasive plants (Maron et al 2004;Colautti et al 2009;Moran and Alexander 2014;Oduor et al 2016). However, while Abstract Phenotypic plasticity is thought to be important for plants in variable environments.…”

Section: Introductionmentioning

confidence: 99%

Latitudinal and longitudinal clines of phenotypic plasticity in the invasive herb Solidago canadensis in China

Guan

et al. 2016

Oecologia

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significantly positively correlated with latitude and temperature seasonality of the populations. In addition, root/shoot ratio and water-use efficiency showed significant variation in plasticity among populations in response to water availability, and plasticities of these two traits were significantly negatively correlated with longitude and positively correlated with precipitation seasonality. The observed geographic clines in plasticity suggest that phenotypic plasticity of S. canadensis may have evolved rapidly in regions with different climatic conditions, and this may have contributed to the spread of this invasive species.

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“…2007). Invaders may face strong abiotic selection pressures, and climate matching may be a prerequisite for a successful invasion (Moran and Alexander 2014). While precipitation is anticipated to vary greatly under global climate change with increasing intra‐ and interannual variability (Field et al.…”

Section: Discussionmentioning

confidence: 99%

Plant invasions differentially affected by diversity and dominant species in native‐ and exotic‐dominated grasslands

Polley

Hofmockel

et al. 2015

Ecology and Evolution

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Plant invasions are an increasingly serious global concern, especially as the climate changes. Here, we explored how plant invasions differed between native‐ and novel exotic‐dominated grasslands with experimental addition of summer precipitation in Texas in 2009. Exotic species greened up earlier than natives by an average of 18 days. This was associated with a lower invasion rate early in the growing season compared to native communities. However, invasion rate did not differ significantly between native and exotic communities across all sampling times. The predictors of invasion rate differed between native and exotic communities, with invasion being negatively influenced by species richness in natives and by dominant species in exotics. Interestingly, plant invasions matched the bimodal pattern of precipitation in Temple, Texas, and did not respond to the pulse of precipitation during the summer. Our results suggest that we will need to take different approaches in understanding of invasion between native and exotic grasslands. Moreover, with anticipated increasing variability in precipitation under global climate change, plant invasions may be constrained in their response if the precipitation pulses fall outside the normal growing period of invaders.

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Evolutionary responses to global change: lessons from invasive species

Cited by 249 publications

References 108 publications

Population genetic structure of the predatory, social wasp Vespula pensylvanica in its native and invasive range

Population genetic structure of the predatory, social wasp Vespula pensylvanica in its native and invasive range

Latitudinal and longitudinal clines of phenotypic plasticity in the invasive herb Solidago canadensis in China

Plant invasions differentially affected by diversity and dominant species in native‐ and exotic‐dominated grasslands

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