keyword
https://read.qxmd.com/read/38372927/exploring-fishery-waste-potential-as-antifouling-component
#21
JOURNAL ARTICLE
Juliana Lenchours Pezzano, Yamila E Rodriguez, Analía V Fernández-Gimenez, María V Laitano
Marine biofouling is a global issue with economic and ecological implications. Existing solutions, such as biocide-based antifouling paints, are toxic for the environment. The search for better antifouling agents remains crucial. Recent research focuses on eco-friendly antifouling paints containing natural compounds like enzymes. This study evaluates enzymatic extracts from fishery residues for antifouling potential. Extracts from Pleoticus muelleri shrimp, Illex argentinus squid, and Lithodes santolla king crab were analyzed...
February 19, 2024: Environmental Science and Pollution Research International
https://read.qxmd.com/read/38370211/effect-of-gillnet-mesh-size-on-the-capture-probability-and-capture-patterns-in-the-asian-paddle-crab-charybdis-japonica-fishery
#22
JOURNAL ARTICLE
Mengjie Yu, Bent Herrmann, Kristine Cerbule, Changdong Liu, Liyou Zhang, Yanli Tang
In the Asian paddle crab ( Charybdis japonica ) gillnet fishery in the Yellow Sea, China, the minimum mesh size (MMS) regulation has been of a major importance due to high bycatch rates of undersized crabs. In this study, we evaluated how gillnet mesh size can affect the capture probability of C. japonica and capture patterns in this fishery by comparing the performance of gillnets with four different mesh sizes (60, 70, 80, and 90 mm). Our results showed that changes in gillnet mesh size significantly affect the capture probability of different sizes of crabs...
February 29, 2024: Heliyon
https://read.qxmd.com/read/38332628/reduction-in-size-at-maturity-in-unprecedentedly-strong-cohorts-of-redfish-sebastes-mentella-and-s-fasciatus-in-the-gulf-of-st-lawrence-and-laurentian-channel
#23
JOURNAL ARTICLE
Caroline Brûlé, Kadra Benhalima, Marie-Julie Roux, Geneviève J Parent, Caroline Chavarria, Caroline Senay
Life-history traits, such as size-at-maturity, are key parameters to model population dynamics used to inform fisheries management. Fishery-induced evolution, density-dependent effects, and global warming have been shown to affect size- and age-at-maturity, and resulting spawning stock biomass (SSB) in a wide range of commercial fish stocks. Marked changes in redfish biomass and environmental conditions in the Gulf of St. Lawrence and Laurentian Channel over the past decade called for a review and update of size-at-maturity for commercially important deepwater redfish Sebastes mentella and Acadian redfish Sebastes fasciatus stocks...
February 8, 2024: Journal of Fish Biology
https://read.qxmd.com/read/38322616/a-synthesis-of-women-s-participation-in-small-scale-fisheries-management-why-women-s-voices-matter
#24
REVIEW
Mouna Chambon, Sara Miñarro, Santiago Alvarez Fernandez, Vincent Porcher, Victoria Reyes-Garcia, Huran Tonalli Drouet, Patrizia Ziveri
UNLABELLED: While women globally make up nearly half of the fisheries workforce, their contribution to the sector has long been overlooked with implications for fisheries management. To assess women's participation in small-scale fisheries (SSF) management and related socio-cultural, environmental, and economic impacts, we conducted a systematic review of peer-reviewed literature (n = 124 case studies). Women had no or limited participation in more than 80% of the examined case studies reporting their participation level in SSF management...
2024: Reviews in Fish Biology and Fisheries
https://read.qxmd.com/read/38320704/incorporating-climate-readiness-into-fisheries-management-strategies
#25
JOURNAL ARTICLE
Elizabeth Talbot, Jean-Beth S Jontila, Benjamin J Gonzales, Roger G Dolorosa, Edgar D Jose, Recca Sajorne, Sevrine Sailley, Susan Kay, Ana M Queirós
Tropical oceans are among the first places to exhibit climate change signals, affecting the habitat distribution and abundance of marine fish. These changes to stocks, and subsequent impacts on fisheries production, may have considerable implications for coastal communities dependent on fisheries for food security and livelihoods. Understanding the impacts of climate change on tropical marine fisheries is therefore an important step towards developing sustainable, climate-ready fisheries management measures...
February 4, 2024: Science of the Total Environment
https://read.qxmd.com/read/38318058/stakeholder-analysis-for-effective-implementation-of-water-management-system-case-of-groundwater-charge-in-south-korea
#26
JOURNAL ARTICLE
Minha Lee, Jung-Hwan Yoon, Jae E Yang, Sim Namkoong, Heejung Kim
Groundwater Charge was introduced in 2005 as one of the sustainable resource management measures in South Korea. The implementation rate, however, stagnated around 37 %, indicating that most local governments chose not to adopt this 'optional' regulation. While previous Stakeholder Analysis studies mainly blamed exclusion - or limited involvement - of stakeholders in the designing and structuring stage of policy-making process for policy failures, this study focused on the interest conflicts and dynamics hindered implementation process...
February 15, 2024: Heliyon
https://read.qxmd.com/read/38316827/edna-based-bycatch-assessment-in-pelagic-fish-catches
#27
JOURNAL ARTICLE
Paulina Urban, Magnus Wulff Jacobsen, Dorte Bekkevold, Anders Nielsen, Marie Storr-Paulsen, Reindert Nijland, Einar Eg Nielsen
Pelagic fish like herring, sardines, and mackerel constitute an essential and nutritious human food source globally. Their sustainable harvest is promoted by the application of precise, accurate, and cost-effective methods for estimating bycatch. Here, we experimentally test the new concept of using eDNA for quantitative bycatch assessment on the illustrative example of the Baltic Sea sprat fisheries with herring bycatch. We investigate the full pipeline from sampling of production water on vessels and in processing factories to the estimation of species weight fractions...
February 5, 2024: Scientific Reports
https://read.qxmd.com/read/38315858/characterizing-pathways-of-seafood-access-in-small-island-developing-states
#28
JOURNAL ARTICLE
Katherine L Seto, Whitney R Friedman, Jacob G Eurich, Jessica A Gephart, Jessica Zamborain-Mason, Michael Sharp, Erietera Aram, Aritita Tekaieti, Aranteiti Tekiau, Christopher D Golden
Ensuring healthy and sustainable food systems in increasing social, economic, and ecological change is a key global priority to protect human and environmental health. Seafood is an essential component of these food systems and a critical source of nutrients, especially in coastal communities. However, despite rapid transformations in aquatic food systems, and our urgent need to understand them, there is a dearth of data connecting harvested food production to actualized food consumption. Many analyses suggest institutional, legal, or technological innovations to improve food systems, but few have analyzed the pathways through which people already gain access to nutritious food...
February 13, 2024: Proceedings of the National Academy of Sciences of the United States of America
https://read.qxmd.com/read/38303467/fish-sonar-image-recognition-algorithm-based-on-improved-yolov5
#29
JOURNAL ARTICLE
Bowen Xing, Min Sun, Minyang Ding, Chuang Han
Fish stock assessment is crucial for sustainable marine fisheries management in rangeland ecosystems. To address the challenges posed by the overfishing of offshore fish species and facilitate comprehensive deep-sea resource evaluation, this paper introduces an improved fish sonar image detection algorithm based on the you only look once algorithm, version 5 (YOLOv5). Sonar image noise often results in blurred targets and indistinct features, thereby reducing the precision of object detection. Thus, a C3N module is incorporated into the neck component, where depth-separable convolution and an inverse bottleneck layer structure are integrated to lessen feature information loss during downsampling and forward propagation...
January 2024: Mathematical Biosciences and Engineering: MBE
https://read.qxmd.com/read/38293637/capture-and-discard-practises-associated-with-an-ornamental-fishery-affect-the-metabolic-rate-and-aerobic-capacity-of-three-striped-dwarf-cichlids-apistogramma-trifasciata
#30
JOURNAL ARTICLE
Oluwaseun Ojelade, Zoe Storm, Cheng Fu, Daphne Cortese, Amelia Munson, Sarah Boulamail, Mar Pineda, Daiani Kochhann, Shaun Killen
Fishing causes direct removal of individuals from wild populations but can also cause a physiological disturbance in fish that are released or discarded after capture. While sublethal physiological effects of fish capture have been well studied in commercial and recreational fisheries, this issue has been overlooked for the ornamental fish trade, where it is common to capture fish from the wild and discard non-target species. We examined metabolic responses to capture and discard procedures in the three-striped dwarf cichlid Apistogramma trifasciata , a popular Amazonian aquarium species that nonetheless may be discarded when not a target species...
2024: Conservation Physiology
https://read.qxmd.com/read/38288013/a-qualitative-analysis-of-rural-fishermen-potential-for-blockchain-enabled-framework-for-livelihood-sustainability
#31
JOURNAL ARTICLE
Mojtaba Enayati, Sudha Arlikatti, Maneesha Vinodini Ramesh
Rural fishing communities face numerous challenges related to livelihood security, as they are engaged in a risky and labour-intensive occupation. They often receive only a small portion of the profits, due to the influence of self-serving local intermediaries, lack of transparency in the business processes, trust issues, and power differentials among stakeholders. Although still in its infancy, blockchain technology has been adopted in various urban settings to mitigate similar challenges and to build trust through its security attributes, data ledger transparency, and smart contract automation...
January 30, 2024: Heliyon
https://read.qxmd.com/read/38287673/sustainable-blue-economy-opportunities-and-challenges
#32
JOURNAL ARTICLE
Sahil Narwal, Manpreet Kaur, Digvijay Singh Yadav, Felix Bast
The term 'blue economy', first introduced in 2010, is the sustainable use of ocean resources for economic growth, jobs, ocean health, and to improve livelihoods. However, a sustainable blue economy faces various challenges in the form of global warming, ocean acidification, and lack of knowledge about the ocean; for example, 95% of the sea is still unexplored, making it more important to understand the blue economy and implement it on a global scale. Other challenges include harmful algal blooms (HABs), invasive species, coral bleaching, and thermohaline circulation...
2024: Journal of Biosciences
https://read.qxmd.com/read/38278014/assessment-of-water-quality-of-netravathi-gurupur-estuary-india-through-chemometric-approach-for-fisheries-sustainability
#33
JOURNAL ARTICLE
Sonalika Sahoo, Ajoy Saha, M E Vijaykumar, M Feroz Khan, S Samanta, Sibina S Mol, B K Das
The present study aimed to assess the water quality dynamics (physicochemical properties, nutrient and chlorophyll-a) in the Netravathi-Gurupur estuary, India across the space and seasons and to simplify the complex water quality dataset through a chemometric approach. The results indicated that pH, EC, temperature, alkalinity, salinity, TDS, hardness, chloride and intense mixing of suspended solids, driven by the semidiurnal tides, are the major factors affecting water quality. Spatial heterogeneity and monsoon have profound impact on nutrient distribution revealing the following values (mg l-1 ): phosphate-P (0...
January 25, 2024: Marine Pollution Bulletin
https://read.qxmd.com/read/38275781/the-reproductive-biology-of-puye-galaxias-maculatus-under-experimental-culture
#34
JOURNAL ARTICLE
Leydy Sandoval-Vargas, Maritza Pérez-Atehortúa, Elías Figueroa Villalobos, José Zamorano, Iván Valdebenito
This study determines the reproductive patterns of puye ( Galaxias maculatus ) under culture conditions. A population of 567 wild fish was caught in the Cautín River, Chile, and held in captivity for four years. Mortality, sex ratio, gonadosomatic index (GSI), sexual maturity stages, spawning period, type and frequency of spawning, and fecundity were measured. The fish grew throughout the experimental period, with the fastest rate during the first half of the first year of life. The highest mortality occurred during the first three months of the experiment and during the spawning season...
January 19, 2024: Animals: An Open Access Journal From MDPI
https://read.qxmd.com/read/38253833/achieving-a-blue-economy-through-the-circular-initiatives-a-path-towards-sustainable-marine-living-resources
#35
JOURNAL ARTICLE
Le Thanh Ha
This paper empirically examines the role of circularity performance on the performance of marine living resources to prove its role in promoting a sustainable blue economy. We use five different metrics to quantify the marine living resources of nations in the European regions, including the value added at the factor costs of small-scale capture fisheries, shellfish aquaculture, freshwater aquaculture, marine aquaculture, and large-scale capture fisheries. By using various econometric techniques, we provide evidence of the importance of circularity performance in improving the sustainability of the blue economy in the European region during the 2009-2020 period...
January 23, 2024: Environmental Science and Pollution Research International
https://read.qxmd.com/read/38244115/exploring-the-vulnerability-of-the-coastal-wetlands-of-india-to-the-changing-climate-and-their-adaptation-strategies
#36
JOURNAL ARTICLE
Sanjeet Debnath, Uttam Kumar Sarkar, Suman Kumari, Gunjan Karnatak, Mishal Puthiyottil, Basanta Kumar Das, Arijit Das, Bandana Das Ghosh, Aneek Roy
Changing climate exerts significant pressure on coastal wetland fishery, ecosystems and livelihood at the eco-regional level. In the present study, an indicator and scoring-based vulnerability assessment framework was developed to assess climate change-induced potential impacts and vulnerability of the coastal wetlands through stakeholder perception and primary data collection on ecology and fisheries. The study was conducted in 12 coastal wetlands in the Gangetic estuarine regions of eastern India. Analysis of rainfall, temperature and extreme climatic events was also carried out...
January 20, 2024: International Journal of Biometeorology
https://read.qxmd.com/read/38240954/transcriptomic-response-of-the-atlantic-surfclam-spisula-solidissima-to-acute-heat-stress
#37
JOURNAL ARTICLE
Michael Acquafredda, Ximing Guo, Daphne Munroe
There is clear evidence that the oceans are warming due to anthropogenic climate change, and the northeastern coast of USA contains some of the fastest warming areas. This warming is projected to continue with serious biological and social ramifications for fisheries and aquaculture. One species particularly vulnerable to warming is the Atlantic surfclam (Spisula solidissima). The surfclam is a critically important species, linking marine food webs and supporting a productive, lucrative, and sustainable fishery...
January 19, 2024: Marine Biotechnology
https://read.qxmd.com/read/38231978/innovative-hdpe-composites-enriched-with-uv-stabilizer-and-diatomaceous-earth-zinc-oxide-for-enhanced-seafood-packaging-and-antimicrobial-properties
#38
JOURNAL ARTICLE
Korakot Charoensri, Yang J Shin, Hyun J Park
The fisheries industry encounters distinct packaging challenges, including the need to protect perishable seafood from rapid spoilage caused by UV radiation while allowing for reuse. This study tackles these issues by introducing advanced high-density polyethylene (HDPE) composites enhanced with a UV stabilizer and inorganic fillers, such as diatomaceous earth/zinc oxide (DZ). Our investigation explores the transformative effects of weathering on these pioneering composites, evaluating shifts in mechanical, physical, thermal properties, and sub-zero temperature stability...
November 30, 2023: Polymers
https://read.qxmd.com/read/38222907/current-technologies-for-heavy-metal-removal-from-food-and-environmental-resources
#39
REVIEW
Chan Seo, Joo Won Lee, Jin-Woo Jeong, Tae-Su Kim, Yoonmi Lee, Gyoungok Gang, Sang Gil Lee
Exposure to heavy metals in water and food poses a significant threat to human well-being, necessitating the efficient removal of these contaminants. The process of urban development exacerbates heavy metal pollution, thereby increasing risks to both human health and ecosystems. Heavy metals have the capacity to enter the food chain, undergo bioaccumulation and magnify, ultimately resulting in adverse effects on human health. Therefore, implementing effective pollution control measures and adopting sustainable practices are crucial for mitigating exposure and associated health risks...
January 2024: Food Science and Biotechnology
https://read.qxmd.com/read/38216603/regional-differences-in-fishing-behavior-determine-whether-a-marine-reserve-network-enhances-fishery-yield
#40
JOURNAL ARTICLE
Hunter S Lenihan, Daniel C Reed, Maria Vigo, Callie Leiphardt, Jennifer K K Hofmiester, Jordan P Gallagher, Chris Voss, Peyton Moore, Robert J Miller
A network of marine reserves can enhance yield in depleted fisheries by protecting populations, particularly large, old spawners that supply larvae for interspersed fishing grounds. The ability of marine reserves to enhance sustainable fisheries is much less evident. We report empirical evidence of a marine reserve network improving yield regionally for a sustainable spiny lobster fishery, apparently through the spillover of adult lobsters and behavioral adaptation by the fishing fleet. Results of a Before-After, Control-Impact analysis found catch, effort, and Catch-Per-Unit Effort increased after the establishment of marine reserves in the northern region of the fishery where fishers responded by fishing intensively at reserve borders, but declined in the southern region where they vacated once productive fishing grounds...
January 12, 2024: Scientific Reports
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