CV Lattes
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Universidade Estadual Paulista (UNESP). Campus de Jaboticabal. Centro de Aquicultura (CAUNESP) (Institutional affiliation from the last research proposal) Birthplace: Brazil
Graduate in Ciências Biológicas at Universidade Estadual de Campinas (1982), master's in Ecology at Universidade Estadual de Campinas (1987) and ph.d. in Ecology at Universidade Estadual de Campinas (1991). Has experience in Zoology, focusing on Animal Behavior, Ecology, Taxonomy, and Evolution. Acting on the following subjects: anura, amphibia, taxonomy, reproduction, and Natural History (Source: Lattes Curriculum)
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Given the escalating impact of synergistic stressors such as climate change and habitat loss on biodiversity, it is crucial to prioritize research efforts in geographic regions predicted to be highly affected such as South America, taxonomic groups such as amphibians that are particularly vulnerable to these stressors, and species of conservation concern. In this project, we focus on four…
Anuran amphibians show acoustic communication as a fundamental component of reproduction. Hylodidae and Cycloramphidae are two anuran families that have an unclear phylogenetic relationship, but are consistently recovered close together. Today, those families have been nested with Alsodidae and Batrachylidae, forming the clade named Neoaustrarana. In this group, hylodids and cycloramphids…
The unprecedented loss of biodiversity and the imminent threats of climate and environmental changes are among the most important challenges faced by humanity. Biodiversity continues to decline worldwide mainly in response to urban and agriculture expansion over natural areas. In addition, climate change is projected to commit over one-third of the Earth's animal and plant species to exti…
The study of the evolutionary processes that originate phenotypic diversity is one of the most important endeavours in biology because it can offer insights into the process of adaptation in natural populations. Colouration patterns are remarkable traits for studying the mutational mechanisms underlying phenotypic diversity and how these affect patterns of evolutionary change. Among verte…
The Dry Diagonal (DD) contains a number of environments including the Caatinga and Cerrado that span over 1/3 the area of Brazil, as well as the Chaco of northern Argentina. Because of its perceived lower biodiversity for many taxa than in better known biomes such as the Amazon basin and the Atlantic forest, evolutionary processes in the DD have received much less attention from biologis…
Due to ecological features amphibians are particularly sensitive to environmental changes. Global amphibian declines and associated extinction risk have been worrying specialists and more studies on amphibian diversity are necessary. The Atlantic Forest occurs in a large latitudinal range and exhibits climatic diversity associated to the topographic complexity. Few studies have been evalu…
(Only some records are available in English at this moment)
The species Paratelmatobius poecilogaster is endemic to the Serra do Mar mountain range and occurs from the municipality of Santo André, São Paulo, to the southernmost region of the state of Rio de Janeiro. In a previous study, four divergent and geographically structured lineages were reported for the species. In recent collections, the species was found in the municipalities of Salesópo…
The applicability of classical biogeographic hypotheses, such as Bergmann's and Allen's rules in ectothermic animals, remains a subject of debate. At higher altitudes and latitudes, for example, previous studies on anuran amphibians have shown that populations reach sexual maturity later, have a longer lifespan, and exhibit larger body sizes. Therefore, investigating spatial patterns in i…
Due to data scarcity and the complexity of analytical methods, constructing a phylogenetic hypothesis that includes both living and extinct species remains one of the most significant challenges in evolutionary biology. Such hypotheses are essential for understanding the evolution of traits and adaptations to different environments, with fossils playing a particularly crucial role in cali…
(Only some records are available in English at this moment)
Este projeto objetiva fornecer suporte técnico na geração, análise e processamento de dados envolvendo DNA e diversidade genética de anfíbios. Inclui a coleta, integração e disponibilidade de dados moleculares, a utilização e o aprimoramento de ferramentas de análise em bioinformática, com a principal finalidade de resolver problemas taxonômicos, elucidar o relacionamento filogenético ent…
Ceratophryidae is a Neotropical frog family composed of species with adaptations to semi-arid environments. In this family, Ceratophrys is the most diverse and widely distributed genus. There are eight species that are distributed from the north of Venezuela to the center of Argentina. The genus is divided into two clades, of which the clade called C. aurita is composed of C. aurita, C. c…
The genus Scinax contains 129 species divided in two clades: the S. catharinae clade and the S. ruber clade. The S. ruber clade harbors the S. duartei species complex, that comprises four treefrog species endemic of Brazil. Two of these species, S. duartei and S. caldarum, are morphologically very similar species that have never been compared directly in taxonomic works. The lack of a …
(Only some records are available in English at this moment)
The sacroiliac articulation in anurans is crucial for movement, with variations in shape linked to different joint motions and behaviors. Our focus is on the tribe Scinaxini, specifically the genus Julianus, which shows a unique sacroiliac morphology characterized by medially expanded sacral sesamoids and reduced sacral diapophyses. These characteristics suggest a new type of sacroiliac j…
The genus Ceratophrys (Anura: Ceratophryidae) includes terrestrial anuran amphibians with unique morphological characteristics and a broad distribution in South America. The species Ceratophrys aurita and C. joazeirensis, distributed in the Atlantic Forest and Caatinga, respectively, present taxonomic challenges due to their similar morphology and low genetic differentiation. Although pre…
Alterations caused by humans, including climate change and habitat loss, are profoundly affecting the biosphere. Therefore, advancing knowledge in areas directly applicable to conservation biology is crucial, particularly for highly affected geographic regions, taxonomic groups, and species of conservation concern. Fundamental requirements include accurate taxonomic delineation and unders…
The tribe Scinaxini has been a focal point of phylogenetic analyses to uncover the relationships among its diverse species. The recent comprehensive phylogenetic study by Araujo-Vieira et al. (2023) has recovered the monophyly of Scinaxini and recognized three well-supported genera: Julianus, Ololygon, and Scinax. This context provides an evolutionary context for the study of the diversit…
The larynx of anurans is a cartilaginous structure that houses the vocal cords. The sound is produced by the vibration of the vocal cords and associated cartilages as the air accumulated in the lungs is expired and moves through the larynx into the buccal cavity. The larynx is of great importance during the reproductive period of anurans, because it is the organ that produces the calls re…
(Only some records are available in English at this moment)