Results 31 to 40 of about 869 (153)

Food Contamination and Safety in Nigeria: A Systematic Synthesis of Heavy Metals, Microbial Pathogens, and Health Risk Metrics

open access: yesFood Safety and Health, EarlyView.
This is an infographic driver of food contaminants and health effects. ABSTRACT Food safety remains a critical challenge in Nigeria due to rapid urbanization and weak regulatory enforcement. This systematic review synthesizes empirical evidence from 2015 to 2025 to characterize food contaminant profiles and associated human health risks in Nigeria ...
Cecilia Nwadiuto Obasi   +6 more
wiley   +1 more source

Measurements of the branchial sieve of sardine (Sardinops sagax ocellatus) from the west and south coasts of southern Africa [PDF]

open access: yes, 2010
Includes abstract.Includes bibliographical references (p. 40-46).Branchial sieves of southern African sardine (Sardinops sagax ocellatus) were collected from three geographical regions along the southern African coast: Namibia, the south coast and the ...
Idris, Izwandy
core  

‘Pre‐Technologies’ and the Lifeworld: Assistive Technologies as ‘Pre‐Technologies’ for Self‐Formation as Freedom

open access: yesJournal of Applied Philosophy, EarlyView.
ABSTRACT This article identifies assistive technologies (ATs) as ‘pre‐technologies’ mediating access to other technologies for disabled subjects (DSs). The motivation is to show that without ATs, DSs cannot be said to have the same level of access to freedom and self‐forming activities as able‐bodied subjects.
Sarel Marais
wiley   +1 more source

Temporal and spatial variability in 'Tetracotyle' type and metacercariae infection in the South African sardine, Sardinops sagax [PDF]

open access: yes, 2013
Spatial and temporal variation of "tetracotyle" type metacercariae infection in the eyes of the South African sardine, Sardinops sagax, was examined to elucidate the potential use of this parasite as a biological tag, and to test the hypothesis that the ...
Weston, Laura Frances
core  

Assessment of the South African sardine resource using data from 1984-2015: initial results for a two mixing-stock hypothesis [PDF]

open access: yes, 2022
The assessment of the South African sardine resource is in the process of being revised and updated using data available up to November 2015. Two primary hypotheses regarding the sardine stock structure have been agreed for investigation.
Carryn de Moor (9998876)   +1 more
core   +1 more source

‘The Good Couscous That Pleases Us!’: The Meanings of Enduring Imperialist Imagery in Postcolonial French Food Advertising, 1970–2000

open access: yesGender &History, EarlyView.
ABSTRACT This article examines a wave of Orientalism‐inspired food commercials that appeared on television in France between 1975 and 2000. Older commercials for couscous were more banal, emphasizing a given product's superiority or affordability. Around 1975, however, there was a concerted shift in the advertising; new spots contained exoticized ...
Kelly Ricciardi Colvin
wiley   +1 more source

Meristic and morphometric variation among sardine Sardinops sagax around the coast of southern Africa [PDF]

open access: yes, 2009
Includes abstract.Includes bibliographical references (p. 72-81).Meristic counts and morphometric measurements were made on previously frozen sardine Sardinops sagax to determine whether there is a difference in the shape of sardine from different areas ...
Wessels, Grea
core  

Advancing Ecological Understanding and Sustainable Management of Small Pelagic Fish

open access: yesFish and Fisheries, Volume 27, Issue 4, Page 850-864, July 2026.
ABSTRACT Small pelagic fish (SPF) are critical to the trophodynamic structure and function of marine systems and support some of the most valuable and socially important fisheries worldwide. Their “boom and bust” population dynamics, shifts in distribution, and importance as forage resources for other fish stocks place unique challenges to assessing ...
Myron A. Peck   +22 more
wiley   +1 more source

Modelling dominance shifts of anchovy and sardine with a frame-based approach : sensitivity to the underlying sardine population dynamics [PDF]

open access: yes, 2012
Includes bibliographical references.It has been shown that sardine and anchovy populations in the southern Benguela have alternated dominance during the past 50 years, and a frame based model that explores the usefulness of frames within a marine ...
Botha, Jakobus Stephanus
core  

Testing for the occurrence of pilchard herpesvirus (PHV) in South African sardine Sardinops sagax [PDF]

open access: yes, 2016
Catches of South African sardine Sardinops sagax have declined in recent years from about 200 000 t harvested annually during the period 2002–2006 to less than 100 000 t.
Macey, B.M.   +4 more
core   +1 more source

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