Adaptation to Marginal Habitats

Kawecki, Tadeusz J.

doi:10.1146/annurev.ecolsys.38.091206.095622

Cited by 546 publications

(685 citation statements)

References 118 publications

(154 reference statements)

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“…Marginal or geographically isolated populations are often more prone to the effects of genetic drift and show higher genetic divergence and lower diversity than those closer to the center of the species distribution (Kawecki, 2008; Lira‐Noriega & Manthey, 2014). Other marine fish distributed in the Baltic Sea also show lower genetic diversity than conspecific Atlantic populations due to varying processes of isolation over 4,000–8,000 years since colonization after the last glaciation (Littorina period; Johannesson & André, 2006).…”

Section: Discussionmentioning

confidence: 99%

Parallel evolution and adaptation to environmental factors in a marine flatfish: Implications for fisheries and aquaculture management of the turbot (Scophthalmus maximus)

Prado

Vera

Hermida

et al. 2018

Evolutionary Applications

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Unraveling adaptive genetic variation represents, in addition to the estimate of population demographic parameters, a cornerstone for the management of aquatic natural living resources, which, in turn, represent the raw material for breeding programs. The turbot (Scophthalmus maximus) is a marine flatfish of high commercial value living on the European continental shelf. While wild populations are declining, aquaculture is flourishing in southern Europe. We evaluated the genetic structure of turbot throughout its natural distribution range (672 individuals; 20 populations) by analyzing allele frequency data from 755 single nucleotide polymorphism discovered and genotyped by double‐digest RAD sequencing. The species was structured into four main regions: Baltic Sea, Atlantic Ocean, Adriatic Sea, and Black Sea, with subtle differentiation apparent at the distribution margins of the Atlantic region. Genetic diversity and effective population size estimates were highest in the Atlantic populations, the area of greatest occurrence, while turbot from other regions showed lower levels, reflecting geographical isolation and reduced abundance. Divergent selection was detected within and between the Atlantic Ocean and Baltic Sea regions, and also when comparing these two regions with the Black Sea. Evidence of parallel evolution was detected between the two low salinity regions, the Baltic and Black seas. Correlation between genetic and environmental variation indicated that temperature and salinity were probably the main environmental drivers of selection. Mining around the four genomic regions consistently inferred to be under selection identified candidate genes related to osmoregulation, growth, and resistance to diseases. The new insights are useful for the management of turbot fisheries and aquaculture by providing the baseline for evaluating the consequences of turbot releases from restocking and farming.

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Section: Discussionmentioning

confidence: 99%

Parallel evolution and adaptation to environmental factors in a marine flatfish: Implications for fisheries and aquaculture management of the turbot (Scophthalmus maximus)

Prado

Vera

Hermida

et al. 2018

Evolutionary Applications

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“…While these and other studies indicate the potential of populations to evolve to changing climates, and show that evolution can be rapid, we know little about the limits to this evolutionary potential [11]. This makes it impossible to predict whether adaptive evolution will allow populations to persist over a long period [8].…”

Section: Introductionmentioning

confidence: 98%

“…This is because many non-native species rapidly evolve clines in traits, such as growth and phenology, as they spread along climatic gradients in a new region [13,14]. At the same time, population genetic processes, for instance admixture among introduced populations, could overcome some of the constraints on adaptation, such as low genetic variation or maladaptive gene flow [11], that exist in the native range [10], potentially enabling non-native species to evolve new climatic limits. Non-native species therefore present a model system to study the processes and limits of adaptive evolution to changing climates.…”

Section: Introductionmentioning

confidence: 99%

Evolution under changing climates: climatic niche stasis despite rapid evolution in a non-native plant

Alexander

2013

Proc. R. Soc. B.

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A topic of great current interest is the capacity of populations to adapt genetically to rapidly changing climates, for example by evolving the timing of life-history events, but this is challenging to address experimentally. I use a plant invasion as a model system to tackle this question by combining molecular markers, a common garden experiment and climatic niche modelling. This approach reveals that non-native Lactuca serriola originates primarily from Europe, a climatic subset of its native range, with low rates of admixture from Asia. It has rapidly refilled its climatic niche in the new range, associated with the evolution of flowering phenology to produce clines along climate gradients that mirror those across the native range. Consequently, some non-native plants have evolved development times and grow under climates more extreme than those found in Europe, but not among populations from the native range as a whole. This suggests that many plant populations can adapt rapidly to changed climatic conditions that are already within the climatic niche space occupied by the species elsewhere in its range, but that evolution to conditions outside of this range is more difficult. These findings can also help to explain the prevalence of niche conservatism among non-native species.

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“…In climate niche modeling, a species is usually treated as if individuals from all populations respond equally to climate change, and predictions on their response to climate change are mostly formulated at species level [13,14]. Thus, intraspecific variation and local adaptation is not generally considered when assessing species responses to climate change [15,16].…”

Section: Introductionmentioning

confidence: 99%

Predicting Future Seed Sourcing of Platycladus orientalis (L.) for Future Climates Using Climate Niche Models

Wang

Liu

et al. 2017

Forests

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Climate niche modeling has been widely used to assess the impact of climate change on forest trees at the species level. However, geographically divergent tree populations are expected to respond differently to climate change. Considering intraspecific local adaptation in modeling species responses to climate change will thus improve the credibility and usefulness of climate niche models, particularly for genetic resources management. In this study, we used five Platycladus orientalis (L.) seed zones (Northwestern; Northern; Central; Southern; and Subtropical) covering the entire species range in China. A climate niche model was developed and used to project the suitable climatic conditions for each of the five seed zones for current and various future climate scenarios (Representative Concentration Pathways: RCP2.6, RCP4.5, RCP6.0, and RCP8.5). Our results indicated that the Subtropical seed zone would show consistent reduction for all climate change scenarios. The remaining seed zones, however, would experience various degrees of expansion in suitable habitat relative to their current geographic distributions. Most of the seed zones would gain suitable habitats at their northern distribution margins and higher latitudes. Thus, we recommend adjusting the current forest management strategies to mitigate the negative impacts of climate change.

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Adaptation to Marginal Habitats

Cited by 546 publications

References 118 publications

Parallel evolution and adaptation to environmental factors in a marine flatfish: Implications for fisheries and aquaculture management of the turbot (Scophthalmus maximus)

Parallel evolution and adaptation to environmental factors in a marine flatfish: Implications for fisheries and aquaculture management of the turbot (Scophthalmus maximus)

Evolution under changing climates: climatic niche stasis despite rapid evolution in a non-native plant

Predicting Future Seed Sourcing of Platycladus orientalis (L.) for Future Climates Using Climate Niche Models

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