Evolutionary and demographic consequences of phenological mismatches: review article

Marcel E. Visser (Corresponding author), Phillip Gienapp (Corresponding author)

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Climate change has often led to unequal shifts in the seasonal timing (phenology) of interacting species, such as consumers and their resource, leading to phenological ‘mismatches’. Mismatches occur when the time at which a consumer species’s demands for a resource are high does not match with the period when this resource is abundant. Here, we review the evolutionary and population-level consequences of such mismatches and how these depend on other ecological factors, such as additional drivers of selection and density-dependent recruitment. This review puts the research on phenological mismatches into a conceptual framework, applies this framework beyond consumer–resource interactions and illustrates this framework using examples drawn from the vast body of literature on mismatches. Finally, we point out priority questions for research on this key impact of climate change.
Original languageEnglish
JournalNature Ecology and Evolution
Publication statusPublished - 2019


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6722, AnE; Data Archiving: no data review article

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Impact Summary<br/>What are the genomic consequences of extremely rapid evolution in the wild? The adaptive evolutionary loss of male song in Hawaiian field crickets (Teleogryllus oceanicus) protects silent “flatwing” males from a lethal eavesdropping parasitoid fly, and invasion and spread of genetic variants causing silence was observed to occur over approximately 20 generations in a population on the island of Kauai and now appears to be fixed. To investigate the genomic and phenotypic consequences of this abrupt bout of adaptation, we first sequenced, assembled, and annotated the cricket genome – the first annotated reference genome for a field cricket. To provide a genomic resource for future work in crickets and allied taxa, we created a new, open‐access genome browser and database for crickets and katydids (www.chirpbase.org) and curated our data and scripts in it. Using RAD‐seq, we then constructed a high‐density linkage map for the species and found that the variant or variants causing flatwing are localized to a large region of the X chromosome, consistent with widespread genomic hitchiking. We performed gene expression analysis of embryonic crickets and found that flatwing is genetically associated with genome‐wide regulatory disruption during development. We quantified variation in another sexual signal, chemical pheromones, and discovered that flatwing is also strongly genetically associated with male pheromone feminization. Our findings illustrate how strong, widespread genetic and phenotypic effects can accompany the rapid emergence and spread of adaptive variants during the very earliest stages of rapid adaptation, and demonstrate how suites of traits that characterize alternative sexual polymorphisms might arise through pleiotropy or genomic hitchhiking following such genomic alteration


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