Imbalanced diversification of two Mediterranean sister genera (Bellis and Bellium, Asteraceae) within the same time frame

Fiz-Palacios, Omar; Valcárcel, Virginia

doi:10.1007/s00606-011-0468-5

Cited by 6 publications

(2 citation statements)

References 40 publications

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“…Diversification continued to increase exponentially also in the past 2-3 Myr, after the establishment of the Mediterranean climate and during the Pleistocene climatic oscillations (rate-through-time plots; Figure 4), corroborating results from other Mediterranean plant taxa (e.g., Valente et al, 2010;Fiz-Palacios and Valcárcel, 2011). Here, we explicitly tested the impact of paleo-temperature and past sea-level on diversification rates for the larger Mediterranean subclade.…”

Section: Geological and Climatic Processes Shaping Species Distributions And Diversificationsupporting

confidence: 79%

“…The refilling of the basin at the end of the MSC disrupted previously formed land bridges, thus promoting vicariance, and mitigated aridity (García-Castellanos et al, 2009), thus possibly causing extinction of arid-adapted lineages (Fiz-Palacios and Valcárcel, 2013). While the effects of MSC on the Mediterranean flora are still debated, the positive effects of the emergence of the Mediterranean climatic regime on diversification are corroborated by multiple studies (e.g., Valente et al, 2010;Fiz-Palacios and Valcárcel, 2011). Furthermore, several plant lineages show a temporal period of reduced diversification rate from the Messinian event to the onset of the Mediterranean climate that has been variably attributed to either mass extinction, rate stasis, or a combination of the two (Fiz-Palacios and Valcárcel, 2013).…”

Section: Introductionmentioning

confidence: 93%

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Geo-Climatic Changes and Apomixis as Major Drivers of Diversification in the Mediterranean Sea Lavenders (Limonium Mill.)

et al. 2021

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The Mediterranean realm, comprising the Mediterranean and Macaronesian regions, has long been recognized as one of the world’s biodiversity hotspots, owing to its remarkable species richness and endemism. Several hypotheses on biotic and abiotic drivers of species diversification in the region have been often proposed but rarely tested in an explicit phylogenetic framework. Here, we investigate the impact of both species-intrinsic and -extrinsic factors on diversification in the species-rich, cosmopolitan Limonium, an angiosperm genus with center of diversity in the Mediterranean. First, we infer and time-calibrate the largest Limonium phylogeny to date. We then estimate ancestral ranges and diversification dynamics at both global and regional scales. At the global scale, we test whether the identified shifts in diversification rates are linked to specific geological and/or climatic events in the Mediterranean area and/or asexual reproduction (apomixis). Our results support a late Paleogene origin in the proto-Mediterranean area for Limonium, followed by extensive in situ diversification in the Mediterranean region during the late Miocene, Pliocene, and Pleistocene. We found significant increases of diversification rates in the “Mediterranean lineage” associated with the Messinian Salinity Crisis, onset of Mediterranean climate, Plio-Pleistocene sea-level fluctuations, and apomixis. Additionally, the Euro-Mediterranean area acted as the major source of species dispersals to the surrounding areas. At the regional scale, we infer the biogeographic origins of insular endemics in the oceanic archipelagos of Macaronesia, and test whether woodiness in the Canarian Nobiles clade is a derived trait linked to insular life and a biotic driver of diversification. We find that Limonium species diversity on the Canary Islands and Cape Verde archipelagos is the product of multiple colonization events followed by in situ diversification, and that woodiness of the Canarian endemics is indeed a derived trait but is not associated with a significant shift to higher diversification rates. Our study expands knowledge on how the interaction between abiotic and biotic drivers shape the uneven distribution of species diversity across taxonomic and geographical scales.

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Section: Geological and Climatic Processes Shaping Species Distributions And Diversificationsupporting

confidence: 79%

Section: Introductionmentioning

confidence: 93%

Geo-Climatic Changes and Apomixis as Major Drivers of Diversification in the Mediterranean Sea Lavenders (Limonium Mill.)

et al. 2021

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Species diversification in the Mediterranean genus Chiliadenus (Inuleae-Asteraceae)

Bengtson

Anderberg

2018

Plant Syst Evol

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Chiliadenus is a small genus in the Inuleae (Asteraceae), consisting of ten species with allopatric distributions along the southern edge of the Mediterranean Sea. The different species have restricted areas of distribution, with only one being more widely distributed. The first molecular phylogenetic study of the genus with complete sampling, as well as a biogeographic analysis of the origin and biogeographic patterns leading to the current diversity of Chiliadenus is presented. Results confirm Chiliadenus as monophyletic and placed as sister to Dittrichia. The ancestor of Chiliadenus is dated to have diverged from that of Dittrichia around 5.45 Ma ago, coinciding with the Messinian salinity crisis, whereas the Chiliadenus crown group is dated to 2.29 Ma, around 3 million years later. Ancestral area reconstructions show the crown group to likely have originated in the area around Morocco and northwestern Algeria, which is also the area where the early divergences have occurred. Chiliadenus has then later diverged and dispersed over the Mediterranean to its current distribution. The evolution of the Chiliadenus crown group coincides with the onset of the Mediterranean climate, and its evolution may be connected to the subsequent climatic changes.

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From Messinian crisis to Mediterranean climate: A temporal gap of diversification recovered from multiple plant phylogenies

Fiz-Palacios

Valcárcel

2013

Perspectives in Plant Ecology, Evolution and Systematics

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Imbalanced diversification of two Mediterranean sister genera (Bellis and Bellium, Asteraceae) within the same time frame

Cited by 6 publications

References 40 publications

Geo-Climatic Changes and Apomixis as Major Drivers of Diversification in the Mediterranean Sea Lavenders (Limonium Mill.)

Geo-Climatic Changes and Apomixis as Major Drivers of Diversification in the Mediterranean Sea Lavenders (Limonium Mill.)

Species diversification in the Mediterranean genus Chiliadenus (Inuleae-Asteraceae)

From Messinian crisis to Mediterranean climate: A temporal gap of diversification recovered from multiple plant phylogenies

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