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dc.contributor.authorRajakaruna, Nishanta
dc.date.accessioned2017-11-17T08:05:36Z
dc.date.available2017-11-17T08:05:36Z
dc.date.issued2018
dc.identifier.citationRajakaruna, N. 2018. Lessons on evolution from the study of edaphic specialization. Botanical review, 84(1):39-78. [https://doi.org/10.1007/s12229-017-9193-2]en_US
dc.identifier.issn0006-8101
dc.identifier.issn1874-9372 (Online)
dc.identifier.urihttp://hdl.handle.net/10394/26065
dc.identifier.urihttps://doi.org/10.1007/s12229-017-9193-2
dc.identifier.urihttps://link.springer.com/article/10.1007/s12229-017-9193-2
dc.description.abstractPlants adapted to special soil types are ideal for investigating evolutionary processes, including maintenance of intraspecific variation, adaptation, reproductive isolation, ecotypic differentiation, and the tempo and mode of speciation. Common garden and reciprocal transplant approaches show that both local adaptation and phenotypic plasticity contribute to edaphic (soil-related) specialization. Edaphic specialists evolve rapidly and repeatedly in some lineages, offering opportunities to investigate parallel evolution, a process less commonly documented in plants than in animals. Adaptations to soil features are often under the control of major genes and they frequently have direct or indirect effects on genes that contribute to reproductive isolation. Both reduced competitiveness and greater susceptibility to herbivory have been documented among some edaphic specialists when grown in ‘normal’ soils, suggesting that a high physiological cost of tolerance may result in strong divergent selection across soil boundaries. Interactions with microbes, herbivores, and pollinators influence soil specialization either by directly enhancing tolerance to extremes in soil conditions or by reducing gene flow between divergent populations. Climate change may further restrict the distribution of edaphic specialists due to increased competition from other taxa or, expand their ranges, if preadaptations to drought or other abiotic stressors render them more competitive under a novel climateen_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.subjectEcological speciationen_US
dc.subjectEdaphic endemismen_US
dc.subjectHarsh environmentsen_US
dc.subjectCost of toleranceen_US
dc.subjectSerpentineen_US
dc.subjectMetal toleranceen_US
dc.subjectParallel speciationen_US
dc.subjectGeobotanyen_US
dc.subjectPlant-Soil relationsen_US
dc.subjectLocal adaptationen_US
dc.titleLessons on evolution from the study of edaphic specializationen_US
dc.typeArticleen_US
dc.contributor.researchID24678104 - Rajakaruna, Nishanta


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