Habitat Occupancy of Sceloporus tristichus Lizards is Predicted by Microclimatic Conditions of the Forest Understory

Herpetologica, Journal Year: 2025, Volume and Issue: 81(1)

Published: Jan. 31, 2025

Language: Английский

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Occurrence data uncover patterns of allopatric divergence and interspecies interactions in the evolutionary history of Sceloporus lizards

Ecology and Evolution, Journal Year: 2021, Volume and Issue: 11(6), P. 2796 - 2813

Published: Feb. 8, 2021

Abstract As shown from several long‐term and time‐intensive studies, closely related, sympatric species can impose strong selection on one another, leading to dramatic examples of phenotypic evolution. Here, we use occurrence data identify clusters Sceloporus lizard test whether tend coexist with other that differ in body size, as would expect when there is competition between congeners. We found be grouped into 16 unique bioregions. Bioregions are located at higher latitudes larger have fewer species, following Rapoport's rule the latitudinal diversity gradient. Species richness was positively correlated number biomes elevation heterogeneity each bioregion. Additionally, most bioregions show signs phylogenetic underdispersion, meaning related occur close geographic proximity. Finally, although similar size cluster geographically, small‐bodied more often sympatry larger‐bodied than expected by chance alone, whereas large‐bodied geographically phylogenetically. These results suggest community composition extant result allopatric evolution, move different biomes, interspecies interactions, sizes. Our phyloinformatic approach offers detailed insights how a clade composed ecologically morphologically disparate distributed over large space evolutionary time.

Language: Английский

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Factors related to species richness, endemism, and conservation status of the herpetofauna (Amphibia and Reptilia) of Mexican states

ZooKeys, Journal Year: 2022, Volume and Issue: 1097, P. 85 - 101

Published: April 20, 2022

Mexico is a megadiverse country with high endemicity in its herpetofauna. We examine how species richness, proportion of state and endemic species, category conservation concern using listings the International Union for Conservation Nature (IUCN) Red List Secretaría del Medio Ambiente y Recursos Naturales (SEMARNAT) 27 32 Mexican states are related to environmental human demographic socioeconomic variables. Amphibian reptile richness were positively latitude range number physiographic regions negatively latitude. The amphibian was whereas no variables influenced reptiles. endemics population density per capita gross domestic product (GDP) amphibians; it elevation an IUCN latitude; reptiles, density. SEMARNAT-listed both amphibians reptiles amphibians. Our analyses found that larger macroecological patterns (e.g., latitudinal gradient, heterogeneity-richness relationships) play important roles determining status

Language: Английский

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Specific Habitat Elements (Refuges and Leaf Litter) Are Better Predictors of Sceloporus Lizards in Central Mexico Than General Human Disturbance

Herpetologica, Journal Year: 2023, Volume and Issue: 79(1)

Published: March 7, 2023

Human land transformation alters features of the landscape that may favor or eliminate biodiversity. Understanding habitat use among species in human-affected ecosystems can inform management habitats and conservation species. The Trans-Mexican Volcanic Belt central Mexico is a biological hot spot for lizard diversity under considerable anthropogenic pressures including grazing, agriculture, urbanization, climate change. Here, we used species-occupancy modeling to (1) identify characteristics are essential predicting presence Sceloporus torquatus S. grammicus lizards, (2) determine if disturbance predicts occupancy, (3) which features, any, predict our ability detect each wild. We found lizards were more likely be present areas with large boulders abundant refuges, whereas common forests leaf litter. urban disruption did not occupancy either species, making artificial as well natural refuges human settlements protected areas. Although only weak evidence predicted detection probabilities, (particularly grammicus) somewhat easily detected high humidity, perhaps because generally higher activity levels. Our results emphasize importance understanding detailed physical allow persist, even disturbed habitats. This better efforts so resources allocated ensure these characteristics, like rocks trees, readily available both pristine human-modified

Language: Английский

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Nicho trófico y bioclimático de dos especies andinas cercanamente emparentadas de <i>Liolaemus </i>(Squamata, Liolaemidae) en el sur del Perú

Revista Peruana de Biología, Journal Year: 2024, Volume and Issue: 31(1), P. e26189 - e26189

Published: March 15, 2024

En el presente estudio, los nichos trófico y bioclimático de Liolaemus annectens L. etheridgei son evaluados. Ambas especies se distribuyen en la región andina del sur Perú. La comparación interespecífica nicho reveló a Lygaeidae (Hemiptera) como presa fundamental etheridgei, mientras que las presas fundamentales dieta fueron larvas Lepidoptera, Araneae, Curculionidae (Coleoptera) Lygaeidae. Asimismo, observó un importante consumo material vegetal ambas especies, por lo pueden considerarse omnívoras. presentaron una baja amplitud trófico, con tendencia especialista presas, bajo solapamiento trófico. cuanto al Grinnelliano, evaluación modelos ecológicos, permitieron identificar áreas mayor idoneidad para sobrevivencia estas especies. Estas encuentran Arequipa, Moquegua Tacna Puno, Cusco annectens. mostraron superposición ecológico, rechazando hipótesis ocupan idénticos.

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Exploring the causes underlying the latitudinal variation in range sizes: Evidence for Rapoport’s rule in spiny lizards (genus Sceloporus)

PLoS ONE, Journal Year: 2024, Volume and Issue: 19(7), P. e0306832 - e0306832

Published: July 9, 2024

Species’ range size is a fundamental unit of analysis in biodiversity research, given its association with extinction risk and species richness. One most notable patterns positive relationship latitude, which has been considered an ecogeographical rule called Rapoport’s rule. Despite this being confirmed for various taxonomic groups, validity widely discussed several taxa still lack formal assessment. Different hypotheses have proposed to explain their potential mechanisms, those related temperature elevational the supported thus far. In study, we employed two level analyses (cross-species assemblage) investigate spiny lizards (genus Sceloporus ). Additionally, evaluated four environmental-related (minimum temperature, variability, stability since last glacial maximum, elevation) posed such pattern, contrasting our results expected under null model position. Our provided support at both levels analyses, expectations. Consistently, minimum elevation were relevant variables explaining spatial variation size. At cross-species level, simulations revealed that deviated significantly from random Conversely, assemblage none statistically different relationships. We implication findings relation ecology evolution lizards.

Language: Английский

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Evolutionary Links Between Skull Shape and Body Size Suggest Allometric Forces and Selection at Work in a Generalist Group of Lizards

Ecology and Evolution, Journal Year: 2024, Volume and Issue: 14(11)

Published: Nov. 1, 2024

The vertebrate skull is a complex structure, and studies of shape have yielded considerable insight into the evolutionary forces shaping specialized phenotypes in organisms as diverse bats, frogs, fossorial animals. Here, we used phylogenetic comparative analyses CT scans male skulls from 57 species

Language: Английский

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Phenotypic diversity facilitates niche partitioning in a sky island assemblage of spiny lizards

Biological Journal of the Linnean Society, Journal Year: 2023, Volume and Issue: 140(4), P. 589 - 605

Published: Aug. 9, 2023

Abstract If closely related species should be more similar and therefore likely to compete for resources, why do we see so many examples of species-rich congeneric communities in nature? To avoid competition, possess suites traits associated with differential resource use – or ecomorphologies that promote niche differentiation co-occurring species. Yet, the axes through which partitioning evolves involved are still poorly understood most systems. Island systems, interactions can form strong forces selection due limited provide valuable insights into how ecomorphological diversity contributes coexistence. Here, examined morphological facilitate a community spiny lizards (genus Sceloporus) sky island system, Chiricahua Mountains southeastern Arizona, USA. By quantifying structural, temporal thermal over 300 from four three field seasons, show sympatric diverge primarily perch height type, but also use. Our results further demonstrate interspecific divergence suite phenotypic known covary ecology other lizard radiations, including body size, scale hindlimb length, foot length dorsal coloration. Studies ecomorphology, especially species, deepen our understanding diverse assemble accumulates across tree life, findings highlight importance examining multiple better understand these processes.

Language: Английский

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Population differences in multimodal lizard communication are not well explained by habitat or history

Ethology, Journal Year: 2023, Volume and Issue: 129(12), P. 655 - 665

Published: Aug. 25, 2023

Abstract Animals evolve in complex selective regimes, where a suite of different factors can shape signal use. We might predict that more closely related species will exhibit similar behavior than those distantly related; however, sometimes signals are shaped profoundly by the environment or other forces. Lizards genus Sceloporus communicate with conspecifics multimodal combine species‐typical push‐up and headbob displays chemical form femoral gland secretions. Here, we examine behavioral activity use across three populations undulatus from diverse habitats United States, to test relative roles habitat phylogeography shaping communicative behavior. filmed undisturbed levels for free‐ranging males S. consobrinus, syn. u. erythrocheilus , Colorado, hyacinthinus Indiana Georgia, scored frequency rates important communication. found differed their way deviates expectations based solely on phylogeographic proximity habitat, suggesting plasticity adaptation conditions vary among may be especially important. Specifically, canonical discriminant analyses largest differences movement patterns. was most behaviorally out three: this population had lower particularly low chemosensory while male consobrinus showed acts headbob/push‐up displays. Phenotypic environmental variation populations, combination knowledge help us untangle processes responsible origin maintenance organismal diversity

Language: Английский

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The recombination landscapes of spiny lizards (genusSceloporus)

G3 Genes Genomes Genetics, Journal Year: 2021, Volume and Issue: 12(2)

Published: Nov. 22, 2021

Despite playing a critical role in evolutionary processes and outcomes, relatively little is known about rates of recombination the vast majority species, including squamate reptiles-the second largest order extant vertebrates, many species which serve as important model organisms ecological studies. This paucity data has resulted limited resolution on questions related to causes consequences rate variation between populations, determinants within-genome variation, well general tempo evolution this branch tree life. In address these questions, it thus necessary begin broadening our phylogenetic sampling. We here provide first fine-scale maps for two spiny lizards, Sceloporus jarrovii megalepidurus, diverged at least 12 Mya. As might be expected from similarities karyotype, population-scaled landscapes are largely conserved broad-scale. At same time, considerable exists fine-scale, highlighting importance incorporating species-specific future population genomic

Language: Английский

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