Results 31 to 40 of about 342 (136)

Comparative Histomorphological and Histochemical Studies on the Oesophagus of Nile Tilapia Oreochromis niloticus and African Catfish Clarias gariepinus

open access: yesJournal of Histology, Volume 2014, Issue 1, 2014., 2014
The present work aimed to describe and compare both gross and microscopic structure of the oesophagus of Nile tilapia (Oreochromis niloticus) and African catfish (Clarias gariepinus). For this purpose, 60 specimens of oesophagus of Nile tilapia (omnivorous fish) and African catfish (carnivorous fish) were collected and processed.
Ashraf Sayed Awaad   +3 more
wiley   +1 more source

Tecnología aplicada a la bioconversión de residuos sólidos de la industria pesquera [PDF]

open access: yes, 2022
Objetivo: Diseñar un proceso circular e inteligente para el aprovechamiento de desechos de la industria pesquera de la ciudad de Mar del Plata (República Argentina) a través del cultivo de hongos.
Zanfrillo, Alicia Inés   +4 more
core   +1 more source

Irradiación gamma en anillas de calamar (Illex argentinus) y filetes marinados de anchoíta (Engraulis anchoita) : Aspectos tecnológicos y de calidad [PDF]

open access: yes, 2013
Se estudió desde un abordaje multidisciplinario el efecto de la irradiación gamma sobre dos productos pesqueros, a fin de analizar la factibilidad de extender su vida comercial en refrigeración.
Tomac, Alejandra
core   +1 more source

ARN/ADN e índices de condición derivados de larvas de anchoíta y merluza como información relevante para establecer un área marina protegida asociada al sistema frontal norpatagónico argentino

open access: yes, 2021
El estadio larval de los peces representa un período de profundos cambios eco-morfológicos,fisiológicos y comportamentales, representando la etapa de mayor tasa de mortalidad natural.Debido a que el éxito durante esta etapa garantiza el reclutamiento ...
Do Souto, Marina   +3 more
core   +1 more source

Posición trófica y fuentes de alimentación de larvas del stock bonaerense de Engraulis anchoita en el Océano Atlántico Sudoccidental

open access: yesMarine and Fishery Sciences
Las larvas de Engraulis anchoita han sido tipificadas por la bibliografía preexistente como exclusivamente zooplanctófagas, siendo los huevos y larvas nauplii de copépodos sus principales presas.
Marina Do Souto   +4 more
doaj   +1 more source

Spatiotemporal distribution and population biology aspects of Cetengraulis edentulus (Actinopterygii: Clupeiformes: Engraulidae) in a South-western Atlantic estuary, with notes on the local Clupeiformes community: Conservation implications [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2020
Background. Guanabara Bay is a species-rich estuary in the South-western Atlantic and its shores are among the most densely populated urban areas in the world. The biology of clupeiform fishes from Guanabara Bay is currently poorly known.
S.R. Santos   +4 more
doaj   +3 more sources

Potential Spatial Mismatches Between Marine Predators and Their Prey in the Southern Hemisphere in Response to Climate Change

open access: yesGlobal Change Biology, Volume 31, Issue 2, February 2025.
Global change is reshaping marine habitats, altering predator–prey interactions and food web dynamics. Using Boosted Regression Trees, we assess habitat suitability shifts for crustaceans, fish, penguins, and pinnipeds across three Southern Hemisphere regions from 1850 to 2100 under two climate scenarios.
Maria Bas   +7 more
wiley   +1 more source

Dietary metabarcoding of keystone sardine species reveals the importance of their ichthyoplankton prey in food webs of the Southern Brazilian Bight fisheries

open access: yesFisheries Oceanography, Volume 33, Issue 4, July 2024.
Abstract Clupeiform fishes are ecologically and economically important species contributing to industrial and artisanal fisheries worldwide. They represent key links in food webs, influencing the dynamic between trophic levels. The dietary interactions of these species are poorly studied in many regions, yet essential for fisheries management.
Anna Karolina Oliveira de Queiroz   +10 more
wiley   +1 more source

O papel das massas de água e do clima na variação espacial e temporal em grande escala do ictioplâncton no oceano atlântico sudoeste (21º - 41ºS) [PDF]

open access: yes, 2015
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Programa de Pós-Graduação em Ecologia, Florianópolis, 2015.A estrutura de comunidades é determinada por processos que agem em múltiplas escalas espaciais e ...
Macedo Soares, Luis Carlos Pinto de
core  

Isotopic niche plasticity in a marine top predator as indicator of a large marine ecosystem food web status

open access: yesEcological Indicators, 2021
As marine ecosystems are harvested or modified by anthropogenic or natural factors, there is an increasing demand for indicators of trophic web health or status.
Javier E. Ciancio   +4 more
doaj   +1 more source

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