Search Results - "Zorzal‐Almeida, Stéfano"

Local environment and connectivity are the main drivers of diatom species composition and trait variation in a set of tropical reservoirs by Zorzal‐Almeida, Stéfano, Soininen, Janne, Bini, Luis M., Bicudo, Denise C.

“…A metacommunity is defined as a set of local communities that are connected by dispersal and are controlled by environmental drivers operating at different…”
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Beta diversity of diatoms is driven by environmental heterogeneity, spatial extent and productivity by Zorzal-Almeida, Stéfano, Bini, Luis Mauricio, Bicudo, Denise Campos

“…Simultaneous effects of productivity, environmental heterogeneity and spatial extent on beta diversity of microbial communities have seldom been investigated…”
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Spatio-temporal changes in water quality in the Guarapiranga reservoir (São Paulo, Brazil): insights from a long-term monitoring data series by Semensatto, Décio, Labuto, Geórgia, Zorzal-Almeida, Stéfano, McRae, Douglas V.

“…The provision of drinking water in metropolises is a challenge that requires programs for continuous monitoring of water quality and processes that impact the…”
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Ecological thresholds of periphytic communities and ecosystems integrity in lower Doce River basin by Zorzal-Almeida, Stéfano, Fernandes, Valéria de Oliveira

“…Freshwater biodiversity has been impacted by several stressors such as eutrophication, turbidity and metals. Besides these frequent impacts, large-scale…”
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Effects of land use and spatial processes in water and surface sediment of tropical reservoirs at local and regional scales by Zorzal-Almeida, Stéfano, Salim, Aline, Andrade, Márcio Roberto Magalhães, Nascimento, Majoi de Novaes, Bini, Luis Mauricio, Bicudo, Denise Campos

“…The effects of land use and connectivity on the characteristics of aquatic ecosystems are thought to be scale-dependent. This study aimed to evaluate the…”
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Homogenization of diatom assemblages is driven by eutrophication in tropical reservoirs by Zorzal-Almeida, Stéfano, Bartozek, Elaine C. Rodrigues, Bicudo, Denise C.

“…Eutrophication is one of the most widespread causes of biotic homogenization in freshwater ecosystems. Biotic homogenization can be characterized as reductions…”
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Stream morphology, water dynamics, and agrochemicals are important drivers of periphyton biomass in subtropical streams by Bartozek, Elaine C. R., Lambrecht, Richard W., Zorzal-Almeida, Stéfano, Auricchio, Marina R., Peres, Cleto K.

“…Several factors affect periphyton biomass by acting at local and landscape levels simultaneously. Thereunder, we quantified local and land-use variables in a…”
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Ex-post impact assessment on a large environmental disaster by Franco, Tarcila, Zorzal-Almeida, Stéfano, Sá, Fabian, Bianchini, Adalto, Dergam, Jorge Abdala, Eskinazi-Sant'anna, Eneida Maria, Albino, Jacqueline, Vieira, Laura Silveira, Santos, Lara Gabriela Magioni, Ribeiro, Anna Paula Lage, Bastos, Alex Cardoso

“…•Novel proposal for an impact matrix in ex-post environment disaster situation.•Supervised and effective tool to summarising answers for environmental…”
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177 years of diatom studies in Brazil: knowledge, gaps, and perspectives by ZORZAL-ALMEIDA, STÉFANO, LEHMKUHL, ELTON A., MARQUARDT, GISELE C., MORAIS, KRYSNA S., TRANCOSO, MATEUS S., SILVA-LEHMKUHL, ANGELA M.

“…Abstract The actual status of the progress and the main aspects of diatom studies in Brazil remain unknown. This paper describes a survey of published studies…”
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Periphytic algal flora of the low Doce river, Espírito Santo State, Brazil, after ore tailings flow, 2: ornamented cell-wall Cosmarium (Zygnematophyceae, Desmidiaceae) by Fadul-Souza, Bruna, Trancoso, Mateus Sardi, Zorzal-Almeida, Stéfano, Bicudo, Carlos Eduardo de Mattos, Ramos, Geraldo José Peixoto, Fernandes, Valéria de Oliveira

“…ABSTRACT Present study aimed at carrying out the taxonomic survey of the ornamented cell-wall Cosmaria from the low Doce river region, Espírito Santo State…”
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Periphytic algal flora of the low Doce river, Espírito Santo State, Brazil, after ore tailings flow, 1: smooth cell walled Cosmarium Corda (Zygnematophyceae, Desmidiaceae by Fadul-Souza, Bruna, Souza, Karoline Barros de, Trancoso, Mateus Sardi, Zorzal-Almeida, Stéfano, Bicudo, Carlos Eduardo de Mattos, Ramos, Geraldo José Peixoto, Fernandes, Valéria de Oliveira

“…ABSTRACT Study aimed at identifying and recording smooth or finely punctate cell walled Cosmarium Corda species of the low Doce river region, Espírito Santo…”
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Surface sediment and phytoplankton diatoms across a trophic gradient in tropical reservoirs: new records for Brazil and São Paulo State by Bartozek, Elaine Cristina Rodrigues, Zorzal-Almeida, Stéfano, Bicudo, Denise C.

“…ABSTRACT This, study aimed to inventory the diatom flora of tropical reservoirs from southeastern region of Brazil under oligo- to hypereutrophic conditions…”
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Macronutrients and dissolved iron in a land-ocean approach: Influences of contamination by ore tailings in Southeastern Brazil by Cagnin, Renata Caiado, Longhini, Cybelle Menolli, Costa, Eduardo Schettini, da Silva, Cesar Alexandro, Zorzal-Almeida, Stéfano, Mendes, Danniel, Pasa, Vânya Márcia Duarte, Barbeira, Paulo Jorge Sanches, Delazari-Barroso, Alessandra, Gücker, Björn, Boëchat, Iola Gonçalves, Lima, Ana Teresa, Neto, Renato Rodrigues, Sá, Fabian, Barroso, Gilberto Fonseca

“…Recently, many dam rupture disasters related to the mining industry have caused significant disruption to ecosystems globally. Contaminants, including…”
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Periphytic algal flora of the lower Doce river basin after ore tailings flow, Espírito Santo State, Brazil: Sampling design and methods by Zorzal-Almeida, Stéfano, Souza, Karoline Barros de, Santana, Lucineide Maria, Endlich, Bianka Gerhardt, Fadul-Souza, Bruna, Jesus, Davi Barbosa de, Balinhas, Izabela Clara Marques, Trancoso, Mateus Sardi, Scardua-Filho, Miguel Ângelo, Fernandes, Valéria de Oliveira

“…ABSTRACT The present work aims to describe the sampling design and the methods used in the series “Periphytic algal flora of the Lower Doce River basin…”
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Taxonomy and ecology of order Surirellales (Bacillariophyceae) in tropical reservoirs in Southeastern of Brazil by Morais, Krysna Stephanny de, Bartozek, Elaine Rodrigues, Zorzal-Almeida, Stéfano, Bicudo, Denise C., Bicudo, Carlos Eduardo de Mattos

“…Abstract Aim The aim of this study was to inventory the diatom species of order Surirellales present in the surface sediments of tropical reservoirs (São Paulo…”
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Effects of intensive fish-farming and domestic wastewater on the periphytic algal community in a tropical coastal lagoon by de Almeida, Stefano Zorzal, Fernandes, Valeria de Oliveira

“…This study aimed at evaluating the effects of the intensive fish-farming and the domestic wastewater on the structure of the phycoperiphyton community. Three…”
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Effects of intensive fish-farming and domestic wastewater on the periphytic algal community in a tropical coastal lagoon (Juara, Brazil) - doi: 10.4025/actascibiolsci.v35i3.17094 by Almeida, Stéfano Zorzal de, Fernandes, Valéria De Oliveira

“…This study aimed at evaluating the effects of the intensive fish-farming and the domestic wastewater on the structure of the phycoperiphyton community. Three…”
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Periphytic algal biomass in two distinct regions of a tropical coastal lake/Biomassa de algas perifíticas em duas regiões distintas de uma lagoa costeira tropical by de Almeida, Stéfano Zorzal, Fernandes, Valéria de Oliveira

“…This study assessed the phycoperiphyton biomass in two regions submitted to different human impacts on Juara Lake, a coastal ecosystem with multiple uses, in…”
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Ecology and distribution of Aulacoseira species (Bacillariophyta) in tropical reservoirs from Brazil by Bicudo, Denise C., Tremarin, Priscila I., Almeida, Pryscilla D., Zorzal-Almeida, Stéfano, Wengrat, Simone, Faustino, Samantha B., Costa, Lívia F., Bartozek, Elaine C.R., Rocha, Angélica C.R., Bicudo, Carlos E.M., Morales, Eduardo A.

“…Ecological preferences and distribution of Aulacoseira species in southeastern Brazilian reservoirs with varying trophic states were studied. One hundred and…”
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Periphytic algal biomass in two distinct regions of a tropical coastal lake by Almeida, Stéfano Zorzal de, Fernandes, Valéria de Oliveira

“…AIM: This study assessed the phycoperiphyton biomass in two regions submitted to different human impacts on Juara Lake, a coastal ecosystem with multiple uses,…”
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