Self‐organizing maps for evaluation of biogeochemical processes and temporal variations in water quality of subtropical reservoirs

DS Melo, ESJ Gontijo, D Frascareli… - Water Resources …, 2019 - Wiley Online Library
Water quality in reservoirs is often compromised in many regions worldwide by nutrients and
trace metals. This demands continuous monitoring; however, analyses of large data sets …

[HTML][HTML] Revision of the smaller-sized dorados (Salminus), with comments on the monophyly of the genus and its biogeography (Characiformes: Bryconidae)

FCT Lima - Zootaxa, 2022 - biotaxa.org
A revision of the genus Salminus, excluding the large-sized species S. brasiliensis and S.
franciscanus, is presented. In addition to the two large-sized species, four additional …

Drivers of fish assemblage structures in a Neotropical urban watershed

LC Cruz, PS Pompeu - Urban Ecosystems, 2020 - Springer
Urbanization results in major changes in stream morphology, hydrology, and water quality;
the consequences on fish assemblage of Neotropical urban streams remain poorly …

Caracterização e influência dos fatores ambientais nas assembleias de peixes de riachos em duas microbacias urbanas, Alto Rio Paraná

TRA Felipe, YR Súarez - Biota Neotropica, 2010 - SciELO Brasil
Com o objetivo de quantificar a influência das características ambientais sobre a
diversidade e abundância de peixes em duas microbacias urbanas na bacia do Alto Rio …

Multi-proxy approach involving ultrahigh resolution mass spectrometry and self-organising maps to investigate the origin and quality of sedimentary organic matter …

ESJ Gontijo, P Herzsprung, OJ Lechtenfeld… - Organic …, 2021 - Elsevier
Humic substances (HS) in sediments play an important role in carbon and nutrient
biogeochemical cycles and fate of contaminants in the environment. However, information …

[HTML][HTML] Fish assemblage in a semi-arid Neotropical reservoir: composition, structure and patterns of diversity and abundance

JLC Novaes, SIL Moreira, CEC Freire… - Brazilian Journal of …, 2014 - SciELO Brasil
The aim of this study was to analyse the composition, structure and spatial and temporal
patterns of diversity and abundance of the ichthyofauna of the Santa Cruz Reservoir in semi …

Efeito da sazonalidade na reprodução de peixes Characiformes em um rio Neotropical

AC Portella, AD Arsentales, DE Cavallari… - Iheringia. Série …, 2021 - SciELO Brasil
RESUMO O conhecimento das táticas reprodutivas é fundamental para a compreensão das
estratégias do ciclo de vida dos peixes, bem como para nortear medidas de manejo e …

Assessment of potentially toxic metals in water, sediment, and the tissues of seven important fish species from neotropical brazilian river

KFS Rodrigues, WS Smith - Neotropical Ichthyology, 2022 - SciELO Brasil
Fish are often used as bioindicators of the presence of potentially toxic metals in aquatic
ecosystems. The objective of these study was to quantify the levels of Cd, Cr, Cu, Hg, Pb and …

Composición y estructura de la ictiofauna del río Hondo, México-Belice, con base en el uso del arpón

JM López-Vila, ME Valdéz-Moreno… - Revista mexicana de …, 2014 - scielo.org.mx
Se determinó la composición y estructura de la ictiofauna del río Hondo y la variación
espacial de éstas en función de los parámetros ambientales. Se realizaron 3 muestreos …

To what extent are the fish compositions of a regulated river related to physico-chemical variables and habitat structure?

TM Mattos, MR Costa, BCT Pinto, JLC Borges… - Environmental biology of …, 2014 - Springer
Habitat structure and physico-chemical variables determine distribution of fish species at
local scale. We aimed to determine influences of physico-chemical variables and habitat …