Diversification of the climatic niche drove the recent processes of speciation in Sigmodontinae (Rodentia, Cricetidae)

Reis, Jennifer; Bidau, Claudio J.; Maestri, Renan; Martínez, P.

doi:10.1111/mam.12128

Cited by 9 publications

(5 citation statements)

References 25 publications

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“…Moreover, akodontines were the only tribe that had climatic variables associated with their species diversification (Reis et al. 2018); for other tribes, diversification appears better associated with dispersal (e.g., Oryzomyini—Percequillo et al. 2021) and with allopatric fragmentation (Schenk and Steppan 2018), with little ecological speciation (Maestri et al.…”

Section: Discussionmentioning

confidence: 99%

“…This trophic diversification is accompanied by disparate masticatory mechanisms (Missagia et al 2021) and corresponding gastrointestinal morphologies (Pardiñas et al 2020). Moreover, akodontines were the only tribe that had climatic variables associated with their species diversification (Reis et al 2018); for other tribes, diversification appears better associated with dispersal (e.g., Oryzomyini-Percequillo et al 2021) and with allopatric fragmentation (Schenk and Steppan 2018), with little ecological speciation (Maestri et al 2017). The diversification of akodontines in terms of lifestyle, locomotion, diet, and physiology through a divergent natural selection process may explain the higher morphological disparity seen in the Atlantic Forest region.…”

Section: Rodentsmentioning

confidence: 99%

“…Although unrelated to trait variation, high species diversification rates have been used as an indicator for adaptive radiation in the entire clade (Schenk and Steppan 2018), and a subclade (Reis et al. 2018). Other studies have suggested that trophic diversification contributed to trait divergence in a major subclade of sigmodontines (Missagia et al.…”

Section: Question: How Is Phenotypic Disparity Distributed Across Geo...mentioning

confidence: 99%

“…Yet, we do not know how empirical disparity is distributed across space and therefore lack information about particular geographic regions where phenotypic disparity may reflect divergent natural selection. Although unrelated to trait variation, high species diversification rates have been used as an indicator for adaptive radiation in the entire clade (Schenk and Steppan 2018), and a subclade (Reis et al 2018). Other studies have suggested that trophic diversification contributed to trait divergence in a major subclade of sigmodontines (Missagia et al 2019, Missagia et al 2021.…”

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Bridging macroecology and macroevolution in the radiation of sigmodontine rodents

et al. 2022

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Investigations of phenotypic disparity across geography often ignore macroevolutionary processes. As a corollary, the random null expectations to which disparity is compared and interpreted may be unrealistic. We tackle this issue by representing, in geographical space, distinct processes of phenotypic evolution underlying ecological disparity. Under divergent natural selection, assemblages in a given region should have empirical disparity higher than expected under an evolutionarily oriented null model, whereas the opposite may indicate constraints on phenotypic evolution. We gathered phylogenies, biogeographic distributions, and data on the skull morphology of sigmodontine rodents to discover which regions of the Neotropics were more influenced by divergent, neutral, or constrained phenotypic evolution. We found that regions with higher disparity than expected by the evolutionary‐oriented null model, in terms of both size and shape, were concentrated in the Atlantic Forest, suggesting a larger role for divergent natural selection there. Phenotypic disparity in the rest of South America, mainly the Amazon basin, northeastern Brazil, and Southern Andes, was constrained—lower than predicted by the evolutionary model. We also demonstrated equivalence between the disparity produced by randomization‐based null models and constrained‐evolution null models. Therefore, including evolutionary simulations into the null modeling framework used in ecophylogenetics can strengthen inferences on the processes underlying phenotypic evolution.

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Section: Discussionmentioning

confidence: 99%

Section: Rodentsmentioning

confidence: 99%

Section: Question: How Is Phenotypic Disparity Distributed Across Geo...mentioning

confidence: 99%

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Bridging macroecology and macroevolution in the radiation of sigmodontine rodents

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“…Climate and land-use changes are important factors shaping species distribution and diversity (Burns et al 2003;Long et al 2005;Lundy et al 2010;Reis et al 2018).…”

Section: Introductionmentioning

confidence: 99%

How the South was won: current and potential range expansion of the crested porcupine in Southern Italy

Mori

Ficetola

Bartolomei³

et al. 2020

Mamm Biol

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Since the 1970s, the crested porcupine has expanded his range into Northern regions in Italy, where it was historically absent, helped by climatic change, legal protection, and forest re-expansion. In the last ten years, a remarkable range expansion has also been observed in the southernmost Italian regions. The aim of our work is to summarize the distribution of this species in Southern Italy and assess potential range expansion under multiple future scenarios of global warming. We collected 1783 occurrence records of the crested porcupine through ad-hoc web pages, online platforms, and some data directly collected by authors (N = 976 occurrences between 1998 and 2008; N = 807 between 2008 and 2019). A remarkable increase in occurrences occurred in Lucania, Campania, and Apulia regions, in Southern Italy, mostly along the coastlines. Species distribution models showed that porcupine presence is associated with warm temperatures and an intermediate level of precipitation. Although land-cover showed lower importance compared to climate, the species was positively associated with forests and negatively associated with agricultural, grasslands and shrublands, and urban landscapes. Model projections suggested that future global warming can improve suitability for porcupines in the Apennine ridge, including the Southern Calabria and the Aspromonte National Park. However, increase in drought and urbanization may reduce the habitat suitability for the crested porcupine in the Salento peninsula, limiting the success of the range expansion by this large rodent, and in Eastern Calabria, wih possible range contractions along the Tyrrhenian coast.

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Changing Only Slowly: The Role of Phylogenetic Niche Conservatism in Caviidae (Rodentia) Speciation

et al. 2020

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Diversification of the climatic niche drove the recent processes of speciation in Sigmodontinae (Rodentia, Cricetidae)

Cited by 9 publications

References 25 publications

Bridging macroecology and macroevolution in the radiation of sigmodontine rodents

Bridging macroecology and macroevolution in the radiation of sigmodontine rodents

How the South was won: current and potential range expansion of the crested porcupine in Southern Italy

Changing Only Slowly: The Role of Phylogenetic Niche Conservatism in Caviidae (Rodentia) Speciation

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