ArticleBMC ecology and evolution2021
Landscape and climatic features drive genetic differentiation processes in a South American coastal plant.
Article in BMC ecology and evolution, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 13 citations in OpenAlex.
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- Genetic diversity and structure of the endemic Tanacetum cinerariifolium as a consequence of multiple processes operating at different temporal scales.Scientific reports · 2025Article
- Isolation effects and soil properties drive genetic differentiation in Ormosia microphylla populations.Scientific reports · 2025Article
- Ecological factors impacting genetic characteristics and metabolite accumulations ofChinese herbal medicines · 2025Article
- The phylogeographic journey of a plant species from lowland to highlands during the Pleistocene.Scientific reports · 2024Article
- Genomic Analyses of Wild and Cultivated Bacanora Agave (Plants (Basel, Switzerland) · 2022Article
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4 authors at 1 institution in 2 countries.
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Abstract
backgroundHistorical and ecological processes shape patterns of genetic diversity in plant species. Colonization to new environments and geographical landscape features determine, amongst other factors, genetic diversity within- and differentiation between-populations. We analyse the genetic diversity and population structure of Calibrachoa heterophylla to infer the influence of abiotic landscape features on the level of gene flow in this coastal species of the South Atlantic Coastal Plain.
resultsThe C. heterophylla populations located on early-deposited coastal plain regions show higher genetic diversity than those closer to the sea. The genetic differentiation follows a pattern of isolation-by-distance. Landscape features, such as water bodies and wind corridors, and geographical distances equally explain the observed genetic differentiation, whereas the precipitation seasonality exhibits a strong signal for isolation-by-environment in marginal populations. The estimated levels of gene flow suggest that marginal populations had restricted immigration rates enhancing differentiation.
conclusionsTopographical features related to coastal plain deposition history influence population differentiation in C. heterophylla. Gene flow is mainly restricted to nearby populations and facilitated by wind fields, albeit without any apparent influence of large water bodies. Furthermore, differential rainfall regimes in marginal populations seem to promote genetic differentiation.
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