Results 41 to 50 of about 1,946,041 (195)
Ichthyofauna of streams of the Lower Paranapanema River basin, state of Paraná, Brazil [PDF]
Check List, 2015 Several studies of small watersheds of in the Upper Paraná River basin are currently available. Howev-er, the number and extent of its tributary streams still pose a challenge to enhancing current knowledge of their ichthyofauna.
Ana Vidotto-Magnoni +6 more
doaj +3 more sources
Environmental Toxicology, EarlyView.ABSTRACT The current study aimed to quantify the antimicrobials amoxicillin (AMX), cefazolin (CFZ), chloramphenicol (CHL), metronidazole (MTZ), and sulfamethoxazole (SX) in effluents and surface water of an important Cerrado river, calculate their half‐lives, and analyze their ecotoxicity following single and combined exposures.
Náthala Maria Simão +12 more
wiley +1 more source
Proposal name: Comprehensive Flood Mitigation Study for the Delaware River Basin
, 2021 Report to Congress for Future Water Resources Development (WRRDA 7001) Submission Package Proposal Name: Comprehensive Flood Mitigation Study for the Delaware River Basin Submission Date: 08/10/2017 Proposal ID Number: a584702b-a9c4-4574-bf68 ...
Delaware River Basin Commission;
core
Prospecting molecular markers to distinguish Cichla kelberi, C. monoculus and C. piquiti
Acta Scientiarum: Biological Sciences, 2015 Peacock bass, a fish of the genus Cichla, is an exotic species from the upper river Paraná floodplain in which the species Cichla kelberi and C. piquiti have been confirmed, coupled to the specie C.
Luciano Seraphim Gasques +4 more
doaj +1 more source
First record of Arapaima gigas (Schinz, 1822) (Teleostei: Osteoglossomorpha), the “pirarucu”, in the upper Paraná River basin, Southeast Brazil [PDF]
Check List, 2015 Arapaima gigas (Schinz), the “pirarucu”, is one of largest freshwater fish of the Neotropical region, naturally occurring in the Amazon, Essequibo, and Orinoco river basins.
Fernando Carvalho +3 more
doaj +3 more sources
Environmental Toxicology, EarlyView.ABSTRACT The Peixoto de Azevedo River, located in northern Mato Grosso, southern Brazilian Amazon, has a long history of artisanal and small‐scale gold mining (ASGM). This study evaluated total mercury (THg) concentrations in fish tissues to assess biomagnification and potential risks.
Augusto Cesar da Costa Castilho +5 more
wiley +1 more source
DRBC Delaware River Biomonitoring Program: 2006-2007 Quality Assurance Project Plan
, 2007 This project plan defines the habitat, benthic macroinvertebrate and periphyton components of Delaware River Basin Commission's (DRBC) biological monitoring program.
core +1 more source
Revista Brasileira de Geomorfologia, 2017 This paper presents the spatial distribution of liquid and solid (suspended load) discharge in the Ivaí River Basin, and its implication in the functioning of this river system.
Isabel Terezinha Leli +3 more
doaj +1 more source
Acta Zoologica, EarlyView.ABSTRACT Shape variation in the cephalothorax of Macrobrachium species without mandibular palp using geometric morphometrics was used as a tool to support species differentiation and propose new diagnostic characters for taxonomic identification.
Thaís Arrais Mota +4 more
wiley +1 more source
Delaware River Biomonitoring Program: Quality Assurance Project Plan
, 2003 This project plan defines only the benthic macroinvertebrate component of Delaware River Basin Commission's (DRBC) biological monitoring program. These activities, in addition to improved physical and chemical data gathering, should provide a well ...
core +1 more source