A5009805384- Fish biology, ecology, and behavior
- Fish Biology and Ecology Studies
- Fish Ecology and Management Studies
- Coral and Marine Ecosystems Studies
- Marine and fisheries research
- Species Distribution and Climate Change
- Coastal and Marine Management
- Identification and Quantification in Food
- Aquatic Ecosystems and Phytoplankton Dynamics
- Tree-ring climate responses
- Marine Bivalve and Aquaculture Studies
- Ecology and Vegetation Dynamics Studies
- Marine and coastal ecosystems
- Isotope Analysis in Ecology
- Freshwater macroinvertebrate diversity and ecology
- Forest Ecology and Biodiversity Studies
- Wildlife-Road Interactions and Conservation
Universidade Federal do Rio Grande do Sul
2014-2024
Universidade Federal de Viçosa
2021-2024
Summary Understanding mechanisms by which agricultural practices affect freshwater ecosystems helps to inform land‐use policies and management strategies aimed at mitigating effects of agriculture on biodiversity. Land‐use activities in the catchment, riparian local scales likely influence stream fish communities via multiple pathways, for instance, modifying instream habitat. We investigated driving taxonomic richness functional diversity South Brazilian grasslands testing a theoretical...
The relationships between fish composition, connectivity and morphometry of 103 lagoons in nine freshwater ecoregions (FEOW) 2·83° S 37·64° were evaluated order to detect possible congruence the gradient species richness similarities assemblage composition. Most included study <2 km(2) , with a maximum 3975 surface area. Combined area all was 5411 . Number varied locally from one 76. A multiple regression revealed that latitude, attributes connectivity, sampling effort explained large amount...
Background: Araucaria forests are mountain ecosystems that might have expanded in the late Holocene, however past distributions remain uncertain. If current distribution reflects climatic conditions, and future may be projected using climate models.Aims: To contribute to understanding of as a function climate, we hypothesised (1) they increased their geographic since Last Glacial Maximum (LGM) until present; (2) would contract under predicted climates.Methods: We modelled spatial current,...
Abstract South American peacock basses (genus Cichla ) have been widely introduced within and outside the Neotropical region due to their importance fisheries, despite threats native fish fauna. We performed a literature review on worldwide distribution of valid species by focusing records richness populations in non‐native ranges. tested for an effect area, number large dams, human population density gross domestic product as drivers across Freshwater Ecoregions World (FEOWs). A total 544...
Abstract Aim Fish community composition is shaped by current and historical factors. In recently formed ecosystems, however, as the Quaternary coastal lagoons of South America, influence factors has less frequently been investigated. The low rate endemism in these suggests a limited role for speciation while their dynamic formation history local extinction dispersal limitation could have affected present species composition. We aimed to assess past on beta diversity those communities explore...
The Doce River basin is impacted by mining, dams, introduction of non-native species, andother human actions. Here we show an additional threat — the ingestion anthropogenic objects bythe freshwater fishes region. We collected 234 specimens at five sites across basin.We found that seventeen (7.3% total) fish species ingested debris(including those from fishing activities). Our findings need for new studies, especially to evaluatedrifting residues in main river channel. In addition, our...
In this study we investigated the influence of landscape variables on alpha taxonomic and functional diversity fish communities in coastal lakes. We built an analytical framework that included possible causal connections among variables, which analyzed using path analysis. obtained metrics for area, shape connectivity (estuary primary to neighboring lakes) 37 lakes Tramandaí River Basin. collected data from 49 species standardized sampling with gillnets a set traits related dispersal...
The coastal lagoons of the Tramandaí River basin are dynamic ecosystems characterized by high biodiversity. They provide important ecosystem services, such as water supply for human consumption, industry, agriculture, animal husbandry, leisure activities, tourism and fishing. Constant increases in population use occupation land around has brought growing demands their resources, resulting increased pressure that compromises these ecosystems. Understanding how biological populations respond...