Results 51 to 60 of about 398 (166)

Comportamento vegetativo e reprodutivo de clones de cajazeira cultivados na Chapada do Apodi, Ceará Vegetative and reproductive behavior of mombin clones grown on the Chapada do Apodi, Ceará, Brazil

Revista Ciência Agronômica, 2012
O pomar de cajazeira foi plantado em fevereiro de 2000 na Chapada do Apodi, Limoeiro do Norte, Ceará, com o objetivo de avaliar os efeitos das diferentes combinações porta-enxerto x enxerto no crescimento vegetativo, número de plantas produtivas e ...
Francisco Xavier de Souza, José Tarciso Alves Costa, Evando Luiz Coelho, Aline de Holanda Nunes Maia   +3 more
doaj   +1 more source

CONSUMO DE PESCADO E OUTROS ALIMENTOS PELA POPULAÇÃO RIBEIRINHA DO LAGO GRANDE DE MONTE ALEGRE, PA - BRASIL. [PDF]

Acta Amazonica, 1997
O presente artigo apresenta resultados sobre o consumo de pescado e outros alimentos pela população ribeirinha do Lago Grande de Monte Alegre, no Estado do Pará, Brasil.
Regina Glória Pinheiro CERDEIRA, Mauro Luis RUFFINO, Victoria Judith ISAAC   +2 more
doaj   +1 more source

Larviculture of two neotropical species with different distributions in the water column in light- and dark-colored tanks

Neotropical Ichthyology
The influence of tank color on the visual perception of fish larvae and the success of their cultivation depends on the characteristics of each species combined with environmental factors.
Marcelo Mattos Pedreira, Edson Vieira Sampaio, José Cláudio Epaminondas dos Santos, Aldrin Vieira Pires   +3 more
doaj   +1 more source

Miracetyma etimaruya gen. et sp. n. (COPEPODA, POECILOSTOMATOIDA, ERGASILIDAE) FROM FRESHWATER FISHES OF THE BRAZILIAN AMAZON [PDF]

Acta Amazonica, 1993
Miracetyma etimaruyagen. et sp. n. is proposed from the gills filaments of Curimata cyprinoides(Linnaeus, 1758), Potamorhina latior(Spix, 1829) and Psectrogaster essequibensis(Gunther, 1864). The species of the new genus is characterized by having a more
José Celso O. MALTA
doaj   +1 more source

Seasonal Forest Resources Support Fish Biomass in Floodplain Lakes of an Amazonian Tributary

Freshwater Biology, Volume 70, Issue 11, November 2025.
ABSTRACT The Flood Pulse Concept is a foundational ecological theory that emphasizes the critical role of lateral connectivity between a river channel and its floodplain. Many tropical rivers inundate the surrounding floodplain in the flood stage, thereby receiving large amounts of terrestrial organic matter that can be decomposed by microbes and ...
Timothy D. Jardine, Francisco Villamarín, Joseph E. Hawes, Joao Campos‐Silva, Cristina M. Jacobi, Stephen Srayko, Alexander Pelletier, William E. Magnusson   +7 more
wiley   +1 more source

Impacts of Hydroelectric Dams on Amazonian Fisheries: Assessing Functional Attributes in the Madeira River

River Research and Applications, Volume 41, Issue 7, Page 1493-1502, September 2025.
ABSTRACT The Madeira River is one of the main tributaries of the Amazon Basin, supporting over 1300 known fish species. Fisheries in this region play a critical role for riverine populations, serving as a primary source of income and sustenance. In 2011, the construction of the Jirau and Santo Antônio hydroelectric dams (HEDs) was completed along the ...
Ana Laura Monteiro de Souza, Rogério Fonseca, Rangel Eduardo Santos, Raniere Garcez Costa Sousa, Felipe Micali Nuvoloni, Isys Nathyally de Lima Silva, Karen Sayuri Takano, Fabrício Berton Zanchi   +7 more
wiley   +1 more source

Elaboração de uma semi-conserva de pescado de água doce "Picles de Peixe". I. Tempo de cura, acidificação, textura e nível de sal [PDF]

Acta Amazonica, 1990
Neste trabalho são estudadas as condições para a correta combinação entre o tempo de cura, acidificação e nível de sal para produzir uma semi-conserva de pescado de de água doce acondicionada em vidro, utilizando o efeito da combinalção sal/ácido.
Nilson Luiz de A. Carvalho, Edson Lessi
doaj   +1 more source

Diní­¢mica populacional de Prochilodus nigricans capturada no lago Manacapuru (Bacia Amazônica- Brasil)

Boletim do Instituto de Pesca, 2018
Prochilodus nigricans, conhecido como curimatã na bacia Amazônia, é uma das espécies de peixes mais exploradas pela frota pesqueira comercial do estado do Amazonas.
Michel Fabiano CATARINO, Caroline Pereira CAMPOS, Raniere GARCEZ Costa Souza, Carlos Edwar de Carvalho FREITAS   +3 more
doaj  

Cooking process evaluation on mercury content in fish Influência do processo de cocção no teor de mercúrio em peixes

Acta Amazonica, 2010
This study evaluated different cooking processes (roasted, cooked and fried) on total mercury (Hg) content in fish species most consumed by Manaus residents and surrounding communities, Amazon region. The results obtained for total Hg in natura and after
Luciana Aparecida Farias, Déborah Inês Fávaro, José Osman Santos, Marina Beatriz Vasconsellos, Artemiza Pessôa, Jaime Paiva Lopes Aguiar, Lucia Yuyama   +6 more
doaj   +1 more source

Assessing fish diversity in abandoned mining ponds in Madre de Dios, Peru, using environmental DNA

Environmental DNA, Volume 6, Issue 1, January–February 2024.
We surveyed four lentic systems in Madre de Dios, Peru: two abandoned mining ponds created by ASGM and two unmined oxbow lakes as a reference to assess fish recolonization. We compared two alternative eDNA processing methods and contrasted our results with historic data from traditional biodiversity monitoring. Our results indicate that eDNA could be a
Camila Timana‐Mendoza, Alonso Reyes‐Calderon, Patrick Venail, Julio M. Araújo‐Flores, Mónica C. Santa‐Maria   +4 more
wiley   +1 more source