A5089776233- Fish biology, ecology, and behavior
- Fish Ecology and Management Studies
- Fish Biology and Ecology Studies
- Freshwater macroinvertebrate diversity and ecology
- Environmental Sustainability and Education
- Amphibian and Reptile Biology
- Species Distribution and Climate Change
- Aquatic Ecosystems and Biodiversity
- Geography and Environmental Studies
- Meat and Animal Product Quality
- Aquaculture Nutrition and Growth
- Bee Products Chemical Analysis
- Geochemistry and Geologic Mapping
- Economic and Technological Innovation
- Subterranean biodiversity and taxonomy
- Botanical Research and Applications
- Mathematical and Theoretical Epidemiology and Ecology Models
- Wildlife-Road Interactions and Conservation
- Conservation, Biodiversity, and Resource Management
- Parasitic Infections and Diagnostics
- Heavy metals in environment
- Environmental Philosophy and Ethics
- Paraquat toxicity studies and treatments
- Groundwater and Watershed Analysis
- Biotechnology and Related Fields
Pontifícia Universidade Católica de Goiás
2015-2024
Universidade Federal de São Carlos
2023-2024
Universidade Estadual de Goiás
2024
Universidade Evangelica de Goiás
2014-2023
Universidade Federal de Minas Gerais
2015
Universidade Federal de Goiás
2015
Institut de Recherche pour le Développement
2001
Institut de Recherche pour le Développement
2001
Université du Québec à Montréal
1998
Freshwater is a basic need for the mankind. Effective biological tools (ecologically based, efficient, rapid and consistently applicable to different ecological regions) are needed measure "health" of rivers. Adapting such over broad geographic area requires detailed understanding both patterns organisms assemblage composition distribution within among water bodies under natural conditions, nature major environmental gradients that cause or explain these patterns. A comprehensive review...
Abstract In this study, we investigated functional structure patterns of tropical headwater and river fish assemblages. We hypothesised that environmental conditions are primarily structuring streams leading to functionally clustered assemblages, whereas processes favour overdispersion would guide For 27 22 rivers, used eight traits for calculating two indexes: mean pairwise distance ( MPD ) net relatedness index NRI ). performed linear regressions between indexes species richness, a...
The use of functional information in the form species traits plays an important role explaining biodiversity patterns and responses to environmental changes. Although relationships between composition, their traits, environment have been extensively studied on a case-by-case basis, results are variable, it remains unclear how generalizable these across ecosystems, taxa spatial scales. To address this gap, we collated 80 datasets from trait-based studies into global database for metaCommunity...
Understanding how assemblages are structured in space and the factors promoting their distributions is one of main goals Ecology, however, studies regarding distribution organisms at larger scales remain biased towards terrestrial groups. We attempt to understand if structure stream fish metacommunities across a Neotropical ecoregion (Upper Paraná—drainage area 820,000 km2) affected by environmental variables, describing natural gradient, anthropogenic impacts spatial predictors. For this,...
We investigated functional patterns of fish assemblages two adjacent basins (Araguaia and Tocantins) to test whether their headwater stream are more functionally (dis)similar than expected by chance these (dis)similarities related differences environmental conditions between basins. used an analysis similarities (ANOSIM) on a dissimilarity matrix for both performed RLQ fourth-corner analyses determine species trait-environment relationship. Our results revealed dissimilarities significant...
Riparian vegetation plays an important role in providing energy to small watercourses and maintaining ecological processes through organic matter input together with hydrological geomorphological watercourse characteristics influence on fish assemblages. The goal of this paper was partitioning quantifying the riparian zone (type riverbank substrate, bank slope, type cover percentage main channel), physical habitat (stream channel width depth, substrate aquatic channel, water velocity...
This paper analyzes the differences and, above all, a possible dialogue between environmental ethics of Arne Naess's deep ecology and Jane Bennett's vital materialism, emphasizing aesthetics that emerge from relationship humans, non-human animals, planetary biodiversity. approach uses concepts Delight (Naess) Enchantment (Bennett), which play crucial role in reshaping hierarchical humans have with as discussed by both authors. For Naess, emerges change thinking moral values, forging an...
Abstract The Tocantins-Araguaia River basin hosts an elevated number of fish species, and new species have been continuously described. In this basin, we investigated patterns endemic descriptions examining their association with distribution range, altitudinal gradient, fluvial hierarchy watercourses, sampling effort. For each collected its year taxonomic description, geographical coordinates holotype, body size (a proxy for range), both altitude effort related to the locality holotype. was...
The João Leite River is located in the upper Paraná basin, Central Brazil. It drains areas covered by Cerrado vegetation interspersed with urban and agricultural areas. This study aims to asses changes of fish assembleges structure along a undisturbed-impacted gradient ten stream stretches using ecological descriptors, similarity index abundance-biomass relationship (ABC curves). were collected during dry period electrofishing gear 50 m. Results show that environmental variation observed...
Summary Understanding the relationships between different components of diversity is needed to improve conservation strategies for freshwater habitats. Here, we studied taxonomic and functional fish assemblages in 27 headwater 22 main stem habitats tropical streams Central Brazil. Using quantile regression analysis, evaluated (i) richness (S) ( FR ic); (ii) (Δ + ) MPD (iii) diversity. Taxonomic (S Δ were correlated with ic headwaters stems. However, differed across habitat types within a...
Several hypotheses are used to explain species richness patterns. Some of them (e.g. species-area, species-energy, environment-energy, water-energy, terrestrial primary productivity, environmental spatial heterogeneity, and climatic heterogeneity) known patterns organisms, especially when they combined. For aquatic however, it is unclear if these can be useful for purposes. Therefore, we a selection model approach assess the predictive capacity such hypotheses, determine which (combined or...
The Ouvidor River, a tributary of the Upper Paraná drains areas covered by cerrado vegetation in Central Brazil. We collected data for environmental variables (water temperature, dissolved oxygen, pH, conductivity, turbidity, water velocity, luminosity, channel substrate and width) anthropogenic perturbations (industry, reservoirs, urban areas) that may structure fish assemblage ten stream sites River basin. In each we delimited one 50 m long site where were captured electrofishing abiotic...
Com o objetivo de diagnosticar a situação do complexo teníase-cisticercose bovina em Minas Gerais, Brasil, foi selecionado município São João Evangelista, onde foram coletadas amostras sangue 339 bovinos 15 propriedades rurais, sorteadas aleatoriamente. Em cada propriedade, aplicado um questionário socioeconômico para análise fatores que favorecem manutenção bovina. Foi realizado também diagnóstico teníase humana por meio exame coproparasitológico dos habitantes das propriedades....
Growing pressures from development activities, on aquatic environments in South American countries, have created an urgent need for tools to measure the quality of systems. The index biotic integrity, based fish assemblages, elaborated North America, constitutes a basis these tools. However, its direct application is problematic regions having rich and diverse ichthyofauna where knowledge species ecology incomplete. response taxonomic or trophic groups often unknown selection assemblage...
This study was conducted in the Meia Ponte River basin, which is located Cerrado biome. The objective to describe structure of fish assemblages and evaluate results with regard position tributaries (sampling stations) along basin. basin drains 35 municipalities Goiás State. Springs are district Itauçu (GO), Serra dos Brandões. Two sampling were conducted, one rainy season (March/2001) another dry (August/2001). Thirty sites channel River, its upper course, selected capture dipnets (3 mm...
This study aims to determine which of twelve environmental parameters (five physicochemical and seven hydromorphological) influence on the fish assemblage structure lower Mortes River basin located in Bananal floodplain Araguaia basin, Central Brazil. Sampling was conducted six stretches 1000 m each during high low waters. Fish were captured using gill nets measured by portable equipment or determined visually. The co-inertia analysis indicated that two (dissolved oxygen water transparency),...