Variation of nutrient and metal concentrations in aquatic macrophytes along the Rio Cachoeira in Bahia (Brazil)

A Klumpp, K Bauer, C Franz-Gerstein… - Environment …, 2002 - Elsevier
The use of cuprous fungicides in cocoa production in the southern part of the state of Bahia
(Brazil) for decades has caused an accumulation of copper in various components of the …

[HTML][HTML] Temporal and spatial patterns of aquatic macrophyte diversity in the Upper Paraná River floodplain

SM Thomaz, P Carvalho, AA Padial… - Brazilian Journal of …, 2009 - SciELO Brasil
Although the importance of long-term data has been emphasized by ecologists in recent
years, little is known about how communities may change over time. In this study, we …

[HTML][HTML] Generalidades sobre la migración de bagres amazónicos de la familia Pimelodidae y su relación con los ciclos hidrológicos

JF Villamil-Rodríguez, L Cortés-Ávila… - Orinoquia, 2018 - scielo.org.co
El entendimiento de los eventos migratorios en peces dulceacuícolas es fundamental para
conocer su biología y ecología, pues estos acontecimientos naturales conllevan a generar …

Benthic invertebrates

IE de Drago, M Marchese, L Montalto - The middle Paraná River …, 2007 - Springer
Abstract The Middle Paraná River in contrast to the upper and lower segments, is less
affected by the anthropogenic action, since there are no dams in this sector and the river …

Morphological variation in Eichhornia azurea (Kunth) and Eichhornia crassipes (Mart.) Solms in relation to aquatic vegetation type and the environment in the …

JM Milne, KJ Murphy, SM Thomaz - Hydrobiologia, 2006 - Springer
Eichhornia azurea and E. crassipes are the most frequent dominants of aquatic vegetation in
the floodplain of the Upper Rio Paraná in Brazil. Morphological traits of samples collected at …

[PDF][PDF] Review of methods for assessing the hydromorphology of lakes

OM Bragg, RW Duck, JS Rowan, AR Black - Final report project WFD06 …, 2003 - Citeseer
According to Premazzi and Chiaudani (1992), only two of the six major categories of factors
that have been important in degrading the quality of European lakes in recent decades …

Capacidade de regeneração de Egeria densa nos reservatórios de Paulo Afonso, BA

NMB Oliveira, E Sampaio, SMB Pereira… - Planta Daninha, 2005 - SciELO Brasil
Para controlar a proliferação de Egeria densa e reduzir os prejuízos que vêm causando na
geração de energia em Paulo Afonso, é necessário conhecer sua capacidade de …

The water level influence on biomass of Echinochloa polystachya (Poaceae) in the Jurumirim reservoir (Sao Paulo, Brazil)

MLM Pompeo, R Henry… - Revista Brasileira de …, 2001 - SciELO Brasil
In the Paranapanema River mouth, Jurumirim Reservoir (23° 27'-23° 29'S and 48° 39'-48°
36'W, SP, Brazil), the biomass of E. polystachya was monthly determined with eight quadrats …