Lineage diversification in a widespread species: roles for niche divergence and conservatism in the common kingsnake,Lampropeltis getula

2009 ◽  
Vol 18 (16) ◽  
pp. 3443-3457 ◽  
Author(s):  
R. ALEXANDER PYRON ◽  
FRANK T. BURBRINK
Keyword(s):  
Widespread Species ◽  
Niche Divergence ◽  
The Common ◽  
Species Roles ◽  
Lineage Diversification ◽  
Lampropeltis Getula

The roles of allopatric fragmentation and niche divergence in intraspecific lineage diversification in the common midwife toad (Alytes obstetricans )

2018 ◽  
Vol 45 (9) ◽  
pp. 2146-2158 ◽  
Author(s):  
Bruno Maia-Carvalho ◽  
Cândida Gomes Vale ◽  
Fernando Sequeira ◽  
Nuno Ferrand ◽  
Iñigo Martínez-Solano ◽  
...  
Keyword(s):  
Niche Divergence ◽  
The Common ◽  
Midwife Toad ◽  
Alytes Obstetricans ◽  
Lineage Diversification

Interspecific differences in the distribution of adult and juvenile ponyfish (Leiognathidae) in the Gulf of Carpentaria, Australia

1999 ◽  
Vol 50 (7) ◽  
pp. 643 ◽  
Author(s):  
J. Staunton-Smith ◽  
S. J. M. Blaber ◽  
J. G. Greenwood
Keyword(s):  
Linear Increase ◽  
Small Fish ◽  
Common Pattern ◽  
Widespread Species ◽  
Nursery Areas ◽  
Interspecific Differences ◽  
Coastal Species ◽  
The Common ◽  
The Mean ◽  
Coexisting Species

The distribution of leiognathids was investigated at 261 sites spread throughout the Gulf of Carpentaria. Eight species, Gazza minuta, Leiognathus decorus, L. equulus, L. fasciatus, L. leuciscus, L. smithursti, L. splendens and Secutor ruconius, were usually restricted to coastal areas, whereas four species, L. bindus, L. moretoniensis, Leiognathus sp. and S. insidiator, were not. Two other species, L. aureus and L. elongatus, were caught at only one site each. The relationships between size of fish and depth in Albatross Bay were investigated by examining the mean weight and minimum and maximum lengths of different species in 356 trawls. Six of the coastal species showed the common pattern of linear increase in size with depth. This pattern is consistent with the existence of estuarine and/or inshore nursery areas, and supports previous observations of these species. In contrast, three of the widespread species exhibited approximately quadratic relationships between size and depth. This unusual pattern resulted from small fish living in both the shallow inshore areas and deeper offshore areas, and it may reduce competition among the juveniles of the large number of very abundant, coexisting species of leiognathid.

Detecting decline in a formerly widespread species: how common is the common blue butterfly Polyommatus icarus?

Ecography ◽  
1999 ◽  
Vol 22 (6) ◽  
pp. 643-650 ◽  
Author(s):  
Jorge L. Leon-Cortes ◽  
Matthew J. R. Cowley ◽  
Chris D. Thomas
Keyword(s):  
Widespread Species ◽  
The Common ◽  
Polyommatus Icarus ◽  
Blue Butterfly

scholarly journals Regionally divergent drivers of historical diversification in the late Quaternary in a widely distributed generalist species, the common pheasant Phasianus colchicus

2019 ◽  
Author(s):  
Simin Liu ◽  
Yang Liu ◽  
Edouard Jelen ◽  
Mansour Alibadian ◽  
Cheng-Te Yao ◽  
...  
Keyword(s):  
Central Asia ◽  
Demographic History ◽  
Central China ◽  
Phylogeographic Structure ◽  
Phasianus Colchicus ◽  
Widespread Species ◽  
South Central ◽  
Common Pheasant ◽  
The Common ◽  
Spatio Temporal

ABSTRACTAimHistorical factors such as Pleistocene climate cycles and associated environmental changes have influenced the phylogeographic structure and demographic dynamics of many species. Resulting patterns not only depend on species’ life-history but also vary regionally. Consequently, different populations of species with large ranges over different biomes might have experienced divergent drivers of diversification and show different population histories. Such a representative species is the common pheasant Phasianus colchicus, an ecological generalist with a wide distribution in the Palearctic and at the edge of the Oriental region. We aimed at identifying distinct phylogeographic lineages of the common pheasant and investigating their evolutionary trajectories.Study locationAsiaMethodsWe used coalescent approaches to describe the phylogeographic structure and to reconstruct the spatio-temporal diversification and demographic history of the common pheasant based on a comprehensive geographic sampling of 265 individuals genotyped at seven nuclear and two mitochondrial loci.ResultsThe common pheasant diversified during the late Pleistocene into eight distinct evolutionary lineages which only partly correspond to traditional morphological groups. It originated at the edge of the Qinghai-Tibetan plateau and spread from there to East and Central Asia. Only the widely distributed genetically uniform lowland lineage of East Asia showed a recent range and population expansion, starting during last glacial. More phylogeographic structure was found elsewhere with lineages showing no signs of recent range expansions. One lineage of subtropical south-central China this is the result of long-term isolation in a climatically stable and topographically complex region. In others from arid Central Asia and China, demographic and range expansions were impeded by repeated population fragmentation during dry glacial and recent aridification. Given such a phylogeographic structure and demographic scenarios among lineages, we proposed split the range-wide common pheasant into three species.Main conclusionsSpatio-temporal phylogeographic frameworks of widespread species complexes such as the common pheasant provide valuable opportunities to identify regionally divergent drivers of diversification.

scholarly journals Interdependent Phenotypic and Biogeographic Evolution Driven by Biotic Interactions

2019 ◽  
Vol 69 (4) ◽  
pp. 739-755 ◽  
Author(s):  
Ignacio Quintero ◽  
Michael J Landis
Keyword(s):  
Data Augmentation ◽  
Biotic Interactions ◽  
Adaptive Divergence ◽  
Modeling Framework ◽  
Niche Divergence ◽  
Trait Divergence ◽  
Ecological Requirements ◽  
Alternative Scenarios ◽  
Beak Size ◽  
Lineage Diversification

Abstract Biotic interactions are hypothesized to be one of the main processes shaping trait and biogeographic evolution during lineage diversification. Theoretical and empirical evidence suggests that species with similar ecological requirements either spatially exclude each other, by preventing the colonization of competitors or by driving coexisting populations to extinction, or show niche divergence when in sympatry. However, the extent and generality of the effect of interspecific competition in trait and biogeographic evolution has been limited by a dearth of appropriate process-generating models to directly test the effect of biotic interactions. Here, we formulate a phylogenetic parametric model that allows interdependence between trait and biogeographic evolution, thus enabling a direct test of central hypotheses on how biotic interactions shape these evolutionary processes. We adopt a Bayesian data augmentation approach to estimate the joint posterior distribution of trait histories, range histories, and coevolutionary process parameters under this analytically intractable model. Through simulations, we show that our model is capable of distinguishing alternative scenarios of biotic interactions. We apply our model to the radiation of Darwin’s finches—a classic example of adaptive divergence—and find limited support for in situ trait divergence in beak size, but stronger evidence for convergence in traits such as beak shape and tarsus length and for competitive exclusion throughout their evolutionary history. These findings are more consistent with presympatric, rather than postsympatric, niche divergence. Our modeling framework opens new possibilities for testing more complex hypotheses about the processes underlying lineage diversification. More generally, it provides a robust probabilistic methodology to model correlated evolution of continuous and discrete characters. [Bayesian; biotic interactions; competition; data augmentation; historical biogeography; trait evolution.]

Systematics of the Common Kingsnake (Lampropeltis getula; Serpentes: Colubridae) and the burden of heritage in taxonomy

Zootaxa ◽  
2009 ◽  
Vol 2241 (1) ◽  
pp. 22-32 ◽  
Author(s):  
R. ALEXANDER PYRON ◽  
FRANK T. BURBRINK
Keyword(s):  
Genetic Information ◽  
Ecological Niche Modeling ◽  
Distinct Species ◽  
Systematic Revision ◽  
Dna Evidence ◽  
Phylogeographic Analysis ◽  
Traditional Taxonomy ◽  
The Common ◽  
The Impact ◽  
Lampropeltis Getula

We present a systematic revision of the Lampropeltis getula group, based on a recent range-wide phylogeographic analysis. We define our theoretical and operational concepts of species delimitation, and provide diagnoses based on mitochondrial DNA evidence, ecological niche modeling, morphology, and historical precedence. We find support for the recognition of five distinct species, which bear the name of the nominate subspecies found primarily within the range of each phylogeographic lineage: the Eastern lineage (Lampropeltis getula, Eastern Kingsnake), the Mississippi lineage (L. nigra, Black Kingsnake), the Central lineage (L. holbrooki, Speckled Kingsnake), the Desert lineage (L. splendida, Desert Kingsnake), and the Western lineage (L. californiae, California Kingsnake). Interestingly, all of these taxa had originally been described as distinct species and recognized as such for up to 101 years (in the case of L. californiae) before being demoted to subspecies. We discuss the impact that increasingly detailed genetic information from phylogeographic analyses may have on traditional taxonomy.

scholarly journals Metabolome Variation between Strains of Microcystis aeruginosa by Untargeted Mass Spectrometry

Toxins ◽  
2019 ◽  
Vol 11 (12) ◽  
pp. 723 ◽  
Author(s):  
Marianne Racine ◽  
Ammar Saleem ◽  
Frances R. Pick
Keyword(s):  
Mass Spectrometry ◽  
Liquid Chromatography ◽  
High Resolution ◽  
Microcystis Aeruginosa ◽  
Ultra Performance Liquid Chromatography ◽  
Widespread Species ◽  
Accurate Mass Spectrometry ◽  
The Common ◽  
Different Strains ◽  
High Resolution Accurate Mass

Cyanobacteria are notorious for their potential to produce hepatotoxic microcystins (MCs), but other bioactive compounds synthesized in the cells could be as toxic, and thus present interest for characterization. Ultra performance liquid chromatography and high-resolution accurate mass spectrometry (UPLC-QTOF-MS/MS) combined with untargeted analysis was used to compare the metabolomes of five different strains of the common bloom-forming cyanobacterium, Microcystis aeruginosa. Even in microcystin-producing strains, other classes of oligopeptides including cyanopeptolins, aeruginosins, and aerucyclamides, were often the more dominant compounds. The distinct and large variation between strains of the same widespread species highlights the need to characterize the metabolome of a larger number of cyanobacteria, especially as several metabolites other than microcystins can affect ecological and human health.

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