Results 41 to 50 of about 188 (152)

Oxidative Stress Biomarkers in the Shrimp Macrobrachium amazonicum (Heller, 1862): Assessment in an Environmental Preservation Area in the Brazilian Amazon

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Anthropogenic activities generate a significant amount of pollutants that are released into the environment, causing physiological and ecological disturbances. Among the xenobiotics present in aquatic ecosystems, numerous chemical and organic compounds have oxidative potential or are metabolized through oxidative processes, which may amplify ...
Natália Eduarda da Silva   +6 more
wiley   +1 more source

Ocurrence of male morphotypes of Macrobrachium amazonicum (Caridea, Palaemonidae) in a population with an entirely freshwater life cycle

open access: yesBrazilian Journal of Biology
This study records, for the first time, the occurrence of all four male morphotypes in a population of Macrobrachium amazonicumfrom a continental environment, with an entirely freshwater life cycle.
JAF Pantaleão, GL Hirose, RC Costa
doaj   +1 more source

Ecotoxicological Assessment of Mercury in Fish From a Gold‐Mining‐Impacted Amazonian River: Biomonitoring and Human Health Risk

open access: yesEnvironmental 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

Integrating Aquaponics with Macrobrachium amazonicum (Palaemonidae: Decapoda) Cultivation for the Production of Microgreens: A Sustainable Approach

open access: yesAgriEngineering
The use of aquaponic systems has grown in recent years, but few of these systems have integrated the production of prawns and short-cycle vegetables. This study evaluated the potential for producing microgreens (beet, amaranth, arugula, and red cabbage ...
Sávio L. M. Guerreiro   +8 more
doaj   +1 more source

Effects of Ambient Nitrite on Amazon River Prawn, Macrobrachium amazonicum, larvae

open access: yesJournal of the World Aquaculture Society, 2014
AbstractThe effects of nitrite concentration on larval development of Amazon river prawn, Macrobrachium amazonicum, were studied in laboratory. In Experiment 1, larvae were reared in 600‐mL glass beakers filled with 300‐mL water with nitrite concentration of 0, 0.2, 0.4, 0.8 and 1.6 mg/L NO2‐N.
Hayd, Liliam A.   +2 more
openaire   +2 more sources

Geometric Morphometrics Reveal Body Shape Variation in Freshwater Shrimps of the Genus Macrobrachium Lacking a Mandibular Palp (Formerly Pseudopalaemon Sollaud, 1911) (Decapoda: Palaemonidae)

open access: yesActa 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

River Sand and Gravel Mining: Global Drivers, Impacts, and Pathways for Sustainable Management

open access: yesReviews of Geophysics, Volume 64, Issue 3, September 2026.
Abstract River sand and gravel are mined worldwide at volumes that now rival their natural replenishment, yet quantitative knowledge of this mining activity and its consequences lags far behind many other global environmental pressures. We synthesize 411 peer‐reviewed studies published since 1974 within a new Driver‐to‐Management Pathway for ...
Edward Park   +25 more
wiley   +1 more source

Indigenous Harvest Practices, Seasonality, and Market Pathways of Small‐Scale Clam Fisheries in Coastal Bangladesh

open access: yesAquaculture, Fish and Fisheries, Volume 6, Issue 4, August 2026.
ABSTRACT This study assesses the current status, indigenous harvesting techniques, seasonal dynamics and market value chain to identify constraints and opportunities of the small‐scale clam fishery along the southeast coast of Bangladesh. Data were collected from 216 stakeholders across 11 coastal sites using structured interviews, focus group ...
Mohammad Najmul Hasan   +4 more
wiley   +1 more source

Amazon river prawn larvae incorporate astaxanthin in response to dietary supplementation with Bixa orellana

open access: yesJournal of the World Aquaculture Society, Volume 57, Issue 4, August 2026.
Abstract This study evaluated the effects of dietary bixin, a carotenoid from Bixa orellana, on larval development, post‐larval performance, and carotenoid deposition in Macrobrachium amazonicum under controlled conditions. Larvae were reared in a recirculating aquaculture system with a moving bed biofilm reactor (MBBR) and fed Artemia nauplii and an ...
Tibério Soares e Rodrigues de Oliveira   +9 more
wiley   +1 more source

Biological Safety and Functional Properties of Açaí Seed Extract: Antioxidant Capacity and Prebiotic Potential

open access: yesJournal of Food Science, Volume 91, Issue 7, July 2026.
ABSTRACT Açaí (Euterpe oleracea) is widely recognized as a functional food due to its nutritional value and abundance of bioactive compounds. Its seeds, representing approximately 80%–95% of the fruit mass, constitute an abundant agro‐industrial byproduct with promising biotechnological potential.
Marcelo Pereira da Silva Junior   +8 more
wiley   +1 more source

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