Results 131 to 140 of about 1,864 (206)

Une nouvelle espèce du genre Mylesinus (Pisces, Serrasalmidae), M. paraschomburgkii, décrite des bassins du Trombetas et du Uatuma (Brésil, Amazonie) [PDF]

open access: yes, 1989
Une série de collectes, réalisées dans le bassin du Trombetas (Brésil, Para) et le bassin du Uatuma (Brésil, Amazonas), a permis de récolter de nombreux spécimens du genre #Mylesinus$ (Characiformes, #Serrasalmidae$) de 13 à 365 mm de longueur standard ...
Dos Santos, G.M.   +2 more
core  

Diagnostic study of the Volta Basin fisheries: Part 1 overview of the fisheries resources [PDF]

open access: yes
The Basin Focal Project for the Volta (BFP-Volta) is a research project funded by the Challenge Programme on Water and Food (CPWF). Its aim is to provide an in-depth analysis of the basin through three main thematic issues: water-poverty, water ...
BΘnΘ, C.
core  

Alterações bioquímicas em tilápias decorrentes da exposição a uma mistura de três herbicidas. [PDF]

open access: yes, 2015
Resumo: O cultivo da cana de açúcar no Brasil utiliza grandes quantidades de herbicidas, o que constitui um sério risco para a biota aquática, se o manejo dos mesmos não for adequado. Uma prática comum é a aplicação de mistura de herbicidas.
CLEMENTE, Z.   +4 more
core  

Otolith microstructure analysis for age determination of the Amazon characid Triportheus albus

open access: yes, 2003
Juvenile Triportheus albus (Characidae) were sampled with a ringnet in the Central Amazon floodplain between March and April 1993. The microstructure of the otoliths of T. albus was analyzed under the scanning electron microscope. The lapillus shows regular increments when ground in the sagittal plane and can be utilized for age determination.
Sobral, M., Parolin, P., Saint-Paul, U.
openaire   +1 more source

Social behaviors as welfare indicators in teleost fish. [PDF]

open access: yesFront Vet Sci, 2023
Cavallino L, Rincón L, Scaia MF.
europepmc   +1 more source

Predation of invasive silver carp by native largemouth bass is size-selective in the Illinois River. [PDF]

open access: yesSci Rep, 2023
Lampo EG   +6 more
europepmc   +1 more source

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