Results 71 to 80 of about 9,265 (208)

Recent advancements in aquaponics with special emphasis on its sustainability

open access: yesJournal of the World Aquaculture Society, Volume 56, Issue 1, February 2025.
Abstract An aquaponic system which is an integration of hydroponics with aquaculture is sustainable, ecologically friendly, and uses non‐renewable resources with very high efficacy. The increasing trend in aquaponics research demonstrates a growing recognition of its potential to address critical global issues such as food security, water conservation,
Chythra Somanathan Nair   +5 more
wiley   +1 more source

Informal gold mining and mercury pollution in Brazil [PDF]

open access: yes
The Amazon region has been responsible for a major share of Brazilian gold production in recent years. The region has witnessed a sizable gold rush comparable only to the California gold rush last century.
Biller, Dan, DEC
core  

GIS‐Based Aquaculture Spatial Suitability in Western Amazonian Hydroelectric Reservoirs

open access: yesLakes &Reservoirs: Science, Policy and Management for Sustainable Use, Volume 30, Issue 1, January/December 2025.
ABSTRACT This study applies a GIS‐based approach to evaluate the spatial suitability of net‐cage aquaculture and analyse key water quality parameters in four hydroelectric reservoirs located in the Jamari River basin, Western Brazilian Amazon. The assessment includes one large hydropower reservoir (HPP Samuel) and three small hydropower reservoirs ...
Carlos Eduardo Mounic‐Silva   +8 more
wiley   +1 more source

Presença de apicomplexa em tambaqui (Colossoma macropomum) na estação experimental de piscicultura da Embrapa Amazônia Oriental. [PDF]

open access: yes, 2012
ZOOTEC
ALBUQUERQUE, F. E. A.   +5 more
core  

Natural Food Intake and Its Contribution to Tambaqui Growth in Fertilized and Unfertilized Ponds

open access: yesFishes
Natural food available in ponds can complement formulated feed in fed aquaculture. This study elucidated the natural food intake and its contribution to tambaqui (Colossoma macropomum) growth in fertilized and unfertilized ponds, using stable isotope and
Adriana Ferreira Lima   +3 more
doaj   +1 more source

Efeito da vitamina C no ganho de peso e em parâmetros hematológicos de tambaqui. [PDF]

open access: yes, 2019
O objetivo deste trabalho foi avaliar o efeito da suplementação dietária com ácido L-ascórbico (vitamina C) no ganho de peso e em parâmetros hematológicos de juvenis de tambaqui, Colossoma ...
CHAGAS, E. C., VAL, A. L.
core  

Avaliação dos efeitos da adição de sal e da densidade no transporte de tambaqui. [PDF]

open access: yes, 2019
Os objetivos deste trabalho foram testar a eficiência do sal como redutor de estresse e verificar a melhor densidade de transporte de juvenis de tambaqui em caixas de plástico ...
ARAUJO-LIMA, C. A. R. M.   +3 more
core  

Karim BENYEKHLEF, Les garanties constitutionnelles relatives à l'indépendance du pouvoir judiciaire au Canada, Cowansville, Éditions Yvon Blais collection Minerve, 1988, ISBN 2-89073-642-3, 212 p., 29,50 $. [PDF]

open access: yes, 1989
The tambaqui (Colossoma macropomum) is an omnivorous fish native to the Amazon basin, which has high commercial value. Characteristics of rusticity and desirable growth in farming highlight this species for breeding in captivity.
Barbosa, Paula de Sousa   +4 more
core   +3 more sources

LIMITAÇí-ES E POTENCIALIDADES DO CULTIVO DE TAMBAQUI (Colossoma macropomum CUVIER, 1818) NA REGIÃO SUBTROPICAL BRASILEIRA

open access: yesBoletim do Instituto de Pesca, 2019
Tambaqui, Colossoma macropomum, é peixe nativo das bacias dos rios Amazonas e Orinoco que apresenta grande potencial de utilização na piscicultura comercial.
Samira MEURER, Evoy ZANIBONI FILHO
doaj  

Avaliação espermática pós-descongelamento em tambaqui, Colossoma macropomum (Cuvier, 1818) Sperm evaluation of tambaqui, Colossoma macropomum (Cuvier, 1818), after thawing

open access: yesActa Amazonica, 2008
Este estudo testa procedimentos de congelamento do sêmen de tambaqui, Colossoma macropomum , e eficiência na fertilização de ovócitos. Sêmen de um reprodutor induzido hormonalmente foi amostrado e armazenado em tubos de ensaio.
Jenner Tavares Bezerra Menezes   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy