The impact of accelerating land-use change on the N-cycle of tropical aquatic ecosystems: current conditions and projected changes

JA Downing, M McClain, R Twilley, JM Melack… - New Perspectives on …, 1999 - Springer
Published data and analyses from temperate and tropical aquatic systems are used to
summarize knowledge about the potential impact of land-use alteration on the nitrogen …

Spatial and temporal heterogeneity in the Jurumirim reservoir, São Paulo, Brazil

MG Nogueira, R Henry… - Lakes & Reservoirs …, 1999 - Wiley Online Library
Jurumirim is a large tropical reservoir with remarkable spatial gradients. This structure
seems to be determined by a longitudinal gradient in the trophic conditions along the main …

A review of basic ecological processes interacting with production and standing-stock of phytoplankton in lakes and reservoirs in Brazil

JG Tundisi - Hydrobiologia, 1983 - Springer
The author discusses the interactions of the main forcing functions in shallow lakes and
reservoirs in Brazil with the functioning of the phytoplankton community from the point of …

Zooplankton composition of ten reservoirs in southern Brazil

MS Arcifa - Hydrobiologia, 1984 - Springer
The zooplankton of ten reservoirs of Sao Paulo State was analyzed as part of a larger
project,'Typology of Reservoirs of São Paulo State'. Twenty-four genera of Rotifera, six …

Interactive ecology of two cohabiting characin fishes (Astyanax fasciatus and Astyanax bimaculatus) in an eutrophic Brazilian reservoir

MS Arcifa, TG Northcote, O Froehlich - Journal of Tropical Ecology, 1991 - cambridge.org
The competitive interactions between two species of characins (Astyanax fasciatus and
Astyanax bimaculatus) were investigated by studying their horizontal distribution, relative …

Fish-zooplankton interactions and their effects on water quality of a tropical Brazilian reservoir

MS Arcifa, TG Northcote, O Froehlich - Hydrobiologia, 1986 - Springer
The influence of zooplanktivorous fishes on the plankton community and water quality of
Americana Reservoir, Brazil was studied experimentally in 4 floating enclosures during the …

[HTML][HTML] Not just a taxonomist, but a naturalist! The foundations of “Froehlich's Autonomous Stonefly Republic”

R Mariano, LC Pinho, AR Calor - Revista Brasileira de Entomologia, 2024 - SciELO Brasil
ABSTRACT Prof. Dr. Claudio Gilberto Froehlich's career is presented here using numbers
and actions guided by a genuine way to study biodiversity, especially aquatic ecosystems …

Staurosirella acidophila sp. nov., a new araphid diatom (Bacillariophyta) from southeastern Brazil: ultrastructure, distribution and autecology

PD Almeida, CE Wetzel, EA Morales, L Ector… - Cryptogamie …, 2015 - BioOne
A new diatom species, Staurosirella acidophila, is described from surface sediments and
phytoplankton samples from tropical reservoirs in São Paulo, Brazil. Description of the new …

Reference values for metals and metalloids concentrations in bottom sediments of Tietê River Basin, Southeast of Brazil

MRL Nascimento, AA Mozeto - Soil & Sediment Contamination, 2008 - Taylor & Francis
This paper represents the first attempt in Brazil to propose and establish regional reference
concentrations of metals and metalloids in bottom sediments of freshwater. The selected …

Southern South American streams and rivers

AA Bonetto, IR Wais - River and stream ecosystems of the world …, 2006 - books.google.com
The characteristics of the different river systems in southern South America are quite
variable depending on the region drained. Thus, the general pattern from west to east is as …