Results 61 to 70 of about 2,665 (217)

The planktonic food web in the Gulf of Naples based on the analysis of carbon and nitrogen stable isotope ratios

open access: yesMarine Ecology, EarlyView., 2023
Abstract Plankton play a key role in marine food webs by producing and transferring organic matter and energy to higher trophic levels. To define the trophic structure and interactions within the planktonic communities in the Gulf of Naples, we determined carbon and nitrogen stable isotope ratios in particulate organic matter (POM, <20 μm ...
Louise Merquiol   +2 more
wiley   +1 more source

Fisheries monitoring in Babel: fish ethnotaxonomy in a hotspot of common names

open access: yesNeotropical Ichthyology
The lack of a long term, comprehensive and reliable fisheries statistics system is a major impediment to fisheries management in Brazil. Fishing is one of the main activities throughout the country's coast, with predominance of small-scale, artisanal ...
Marilia Previero   +2 more
doaj   +1 more source

Capsicum chinense as an African traditional vegetable: Culture, resilience, and opportunity

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Capsicum chinense is central to everyday diets, cultural identity, and smallholder livelihoods across Sub‐Saharan Africa, yet remains overlooked in agricultural research and policy. This paper reframes C. chinense as a traditional, climate‐resilient vegetable shaped by centuries of farmer stewardship and cultural selection.
Derek W. Barchenger   +1 more
wiley   +1 more source

Conflits latents et manifestes dans les pêcheries artisanales de l’écorégion de la Commission sous-régionale des pêches (CSRP) : tensions actuelles et défis futurs

open access: yesVertigO
The aim of this study is to assess the factors exacerbating conflicts in artisanal fisheries in the SRFC ecoregion, and to question the ability of current management frameworks to resolve them.
El hadj Bara Dème   +2 more
doaj   +1 more source

Rétrécissement saisonnier des superficies d'eau, variation physico-chimique et production des pêcheries artisanales de Bagré. Centre-Est Burkina-Faso [PDF]

open access: yesTropicultura, 2000
Draw-down of Water Surfaces, Physico-Chemical Variations and the Production of Artisanal Fisheries in the Bagre. East-Center Burkina-Faso. A maping method in respect of the surface of artisanal fisheries using the GPS (Global Positioning System) was ...
Kabré, AT., Illé, A.
doaj  

Multi‐Platform Deployments of Low‐Cost Devices for Cetacean Passive Acoustic Monitoring

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Recent advances in affordable, user‐friendly devices offer new opportunities to overcome cost constraints of underwater passive acoustic monitoring (PAM) and expand acoustic data collection. In this study, we deployed low‐cost acoustic recorders and underwater cameras across a range of platforms in the Western Mediterranean, including fishing gear ...
Greta Jankauskaite   +8 more
wiley   +1 more source

Illegal Gold Mining in the Brazilian Amazon: Environmental Degradation in Yanomami Indigenous Lands, and Regulatory Failures

open access: yesSustainable Development, EarlyView.
ABSTRACT Illegal gold mining has emerged as a major sustainability threat in the Amazon, eroding Indigenous rights, forest integrity, and climate mitigation efforts. This study examines how international market incentives relate to the expansion of illegal mining and associated deforestation within the Yanomami Indigenous Territory (YIT) from 2008 to ...
Shirléia Lago Santos   +2 more
wiley   +1 more source

High Coral Bycatch in Bottom-Set Gillnet Coastal Fisheries Reveals Rich Coral Habitats in Southern Portugal

open access: yesFrontiers in Marine Science, 2020
Bottom-contact fisheries are unquestionably one of the main threats to the ecological integrity and functioning of deep-sea and circalittoral ecosystems, notably cold-water corals (CWC) and coral gardens.
Vítor Dias   +5 more
doaj   +1 more source

A Scenario Tool for Sustainability Transformation in Fisheries and Beyond

open access: yesSustainable Development, EarlyView.
ABSTRACT The urgency to find sustainable management solutions intensifies with increasing natural resource scarcity. Resource sectors are usually characterized by diverse resource users. We developed a structured scenario tool designed to quantitatively assess policy options for achieving sustainability, accounting for ecological, economic and ...
Marie‐Catherine Riekhof   +5 more
wiley   +1 more source

The Dynamic Impact of the Energy Transition on Food Security in Developing Countries

open access: yesSustainable Development, EarlyView.
ABSTRACT In the context of persistent food insecurity and the global push for the transition toward clean energy in developing countries, understanding the association between clean energy access and food affordability is increasingly important to inform multisectoral policy interventions. Against this background, this study explores the dynamic impact
Boris D. Soh Wenda   +5 more
wiley   +1 more source

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