Fishing Communities - Science topic

Project Kingfish is an ambitious collaborative research project enabled through funding from the NSW Recreational Fishing Trust and hosted at the Sydney Institute of Marine Science that aims to engage the recreational fishing community in gathering scientific data needed to fill knowledge gaps about, and inform the management of, Yellowtail Kingfis...

Aim The biodiversity associated with kelp forest ecosystems is understudied globally, including in South Africa, where kelp forests have expanded their range under climate change. This study used environmental DNA (eDNA) metabarcoding to assess fish biodiversity across an expansive range (~1000 km) of South Africa's kelp forests, contributing to a...

The concentrations of chemical elements (Al, As, Ca, Cd, Cr, Cu, Fe, K, Li, Mg, Mn, Na, Ni, Pb, Ti, and Zn) in the shell and soft tissue of the mussel Perna perna (L. 1758) are used to determine the individuals’ geographic origin. Additionally, a mineralogical analysis of shell is presented to confirm its primary crystalline structure. Mussels were...

Understanding the temporal dynamics of marine communities is critical for assessing ecosystem health and guiding conservation efforts. Here, we conducted a survey using environmental DNA (eDNA) metabarcoding with two primer sets, MiFish and Elas02, to investigate seasonal and interannual changes in the fish community of Oslofjord (Norway) over two...

Since the opening of the Suez Canal, the Eastern Mediterranean has been continuously affected by the influx of non-indigenous species (NIS), leading to significant changes in species composition. In this study, we focus on the temporal changes in marine teleost fish communities within one of the most heavily invaded shelf ecosystems. To examine cha...

Recent ecological research has emphasized the value of “big data,” but small or imperfect datasets can still yield valuable insights when analyzed rigorously. To demonstrate this, we conducted a case study examining how habitat variable relationships and interspecific interactions function together to shape fish communities under conditions of habi...

Food web interactions are generally considered to be size‐structured and occur at the individual or group level within species, yet many ecological models and tests of theory assign species‐level values to define trophic position or niches. Such studies ignore potential ontogenetic or within‐species size‐based changes in consumer behaviour and trop...

Climate warming reshapes biomass distributions across trophic levels in aquatic systems, with implications for ecosystem functioning and service provisioning. Using a space‐for‐time approach across temperate and boreal lakes, we analyse a dataset spanning wide gradients in temperature and nutrient availability, including species and biomass data fo...

Environmental DNA (eDNA) analysis is a cost-effective and non-invasive tool for species and biodiversity monitoring in aquatic environments. Passive eDNA sampling method is focused as a novel and alternative to conventional sampling methods, such as water filtration. In this study, we examined the efficacy of the sponge skeleton as an eDNA passive...

Cabled multiparametric observatories are sustaining ecological monitoring by collecting long‐term real‐time biological and environmental data. Here, we investigated fish communities by sampling environmental DNA (eDNA) over 4 days near the multiparametric cabled video‐observatory OBSEA (Northwestern Mediterranean Sea). The multi‐marker eDNA metabar...

This study evaluates the carcass essential amino acid profiles of Clarias gariepinus fed graded levels of beetroot powder as a Phyto additive to highlight its nutritional significance. Beetroot powder was included into formulated feed with 40% crude protein at; 0.0g (BR1 i.e. control), 0.25g (BR2), 0.50g (BR3), 0.75g (BR4) and 1.00g/100g feed (BR5)...

This study aims to analyze the role of women fishermen in Pamekasan in managing family resources and the challenges they face in carrying out these roles. This study uses a qualitative method with in-depth interviews with women fishermen in Pamekasan who were selected purposively and analyzed using a gender analysis approach developed by Caroline O...

Aquatic ecosystems have a great diversity of habitats, including streams that are of extreme ecological and economic importance but have undergone impacts, such as the input of domestic and industrial waste and deforestation of riparian forest. However, few studies have been carried out on the diversity, specifically beta diversity, of fish assembl...

Due to the societal reliance on goods and services provided by river systems and their close proximity to settlements, few modern‐day rivers are without significant anthropogenic modifications. The natural river hydrology is often altered as a consequence of pumping water for flood alleviation, retaining water for irrigation, and modifying channels...

Background Schistosomiasis remains a significant public health issue in Uganda, particularly among fishing communities. This study, nested within a larger community-based study (ADOPT) on introducing a new child-friendly praziquantel formulation for schistosomiasis, arpraziquantel, explored enablers and challenges perceived by district health autho...

Background: Coastal communities, particularly traditional fishermen, face persistent socio-economic challenges that hinder their well-being. Specific Background: In Desa Kwala Besar, Kecamatan Secanggang, Kabupaten Langkat, traditional fishermen depend heavily on income and productivity for their livelihoods. Knowledge Gap: However, empirical evide...

The European Water Framework Directive (WFD) 2000/60/EC emphasizes the use of fish communities as key indicators for assessing the ecological quality of freshwater ecosystems. Despite over two decades of WFD implementation, many Balkan countries lack standardized ecological assessment indices, particularly for fish fauna. This situation complicates...

The West Philippine Sea, which encompasses the maritime areas within the western exclusive economic zone of the Philippines, is part of the larger South China Sea, a semi-enclosed sea in the western Pacific Ocean that is highly significant for its strategic location and abundant natural resources. Rich in coral reefs, marine species, oil, natural g...

Background Despite the potential efficacy of Pre-Exposure Prophylaxis (PrEP) in reducing HIV risk, Oral PrEP acceptability remains strikingly varied by populations and locations. We assessed PrEP acceptability and associated factors among at-risk HIV-negative young men. Methods A cross-sectional analytical study design was used. Data were collecte...

The endorheic Burdur Basin (Türkiye) is a region rich in endemism, but the water budget/quality has been damaged in last years. Since it is important to monitor fish diversity, which is known to respond rapidly to declining/polluted water resources, this study aimed to highlight the problems threatening the stock status of fish communities in the b...

It is alleged that the severity of poverty between fishing communities and farming communities is different. Therefore, the aim of this research is to compare the factors that differentiate the severity of poverty between fishing communities and farming communities in rural areas. This research took the case of fishing communities from Air Napal Su...

The Devi River, a vital distributary of the Mahanadi River system, plays a critical ecological and socio-economic role in Odisha’s Jagatsinghpur and Puri districts. The region however, is increasingly affected by environmental degradation, including water contamination, habitat loss, and reduced river flow. These environmental stressors have direct...

Local residents identified Atlantic cod (Gadus morhua) in Gilbert Bay, Labrador as "bay-cod", and that they were susceptible to overfishing when commercial fishing resumed along the Labrador coast in 1998 after a 6-year northern cod fishery moratorium. Through collaborative efforts among stakeholders, Fisheries and Oceans Canada (DFO) established t...

The quota-based Measured Fishing Policy (PIT) is a new initiative designed to reform national fisheries governance comprehensively. This policy is expected to significantly impact small-scale fishers, who are often vulnerable to policy changes due to their socioeconomic and technical conditions. Local fishers' understanding and acceptance of this p...

Classé site Ramsar en 2019, le Lac de Madarounfa est la zone humide la plus importante de la région de Maradi où les activités de pêches sont pratiquées toute l’année. Le présent travail vise à analyser la diversité et la dynamique des communautés ichtyologiques de ce plan d’eau. L’ichtyofaune a été inventoriée de juin 2023 à mai 2024 pendant 12 mo...

Hydropeaking may result in behavioral responses in riverine organisms that experience rapid flow fluctuations. In stream fish, the balance between energy spent on swimming and foraging vs. food intake affects fitness, a balance strongly influenced by flow conditions. This study investigates the effects of rapid flow fluctuations on the foraging suc...

Lake Victoria is the largest freshwater lake in Africa, with around 30 million people living on its coastline, and it serves as one of the largest natural resources for East African communities due to its prosperous fishing industry. However, around 1000 fishermen die annually on the lake due to severe weather-related accidents. Radar-based researc...

Fishermen on the southwest coast of India have been increasingly vulnerable to the impacts of climate change over the past few years. Erratic weather patterns, fluctuating monsoons, frequent cyclones, and rising sea temperatures have significantly affected their livelihoods. The vulnerability indicator analysis following Garrett method in the curre...

An assessment of the fish species composition was conducted during the austral summer of 2019 in the Southwest Atlantic sector of the Southern Ocean (FAO Fishing Areas 48.1–48.4). Samples were collected from stations systematically spaced across the Scotia Sea region using a fine meshed pelagic trawl (“Macroplankton trawl”) towed through the ~200-0...

As freshwater organisms are impacted by climate change, several pieces of information are critical for conservation: knowledge of which species are vulnerable, where populations will remain stable, and whether habitat restoration can help conserve vulnerable species. Identifying climate-vulnerable species, locations of climate refugia, and potentia...

1. Volunteer-based biodiversity recording is a powerful source of scalable data yet to be used to its full potential by the scientific community. Coastal ecosystems are varied and diverse, making it difficult for managers to identify flexible methods for monitoring biological components. Emerging technologies such as environmental DNA (eDNA) analys...

This research shows that women infidelity is a prevalent human behavior. The research explores women's infidelity from a contemporary perspective, addressing the following key areas. The present research dealt with two women – Potiphar's wife and Joseph, and King David sexual relations with Batsheba. Reasons, epidemiology, types, adverse effects i...

Coastal ecosystems surrounding the Korean Peninsula are undergoing rapid environmental changes driven by global climate warming, highlighting the need for efficient methods to monitor marine biodiversity. This study aimed to analyze fish communities across four coastal regions: the East Sea, South Sea, West Sea, and Jeju using environmental DNA (eD...

Historically, wind energy has been central in studies on the social acceptance of renewable energy technologies within European countries, apart from Portugal. Public participation in wind energy developments in Portugal has been residual, resulting in a frequently unopposed deployment of wind energy in the country. In the context of the proliferat...

Pulau Pahawang merupakan salah satu pulau di Provinsi Lampung yang memiliki ekosistem laut yang beragam, salah satunya adalah ekosistem terumbu karang. Ekosistem terumbu karang banyak digunakan bagi biota asosiasinya seperti mencari makan, berlindung, dan berkembang biak. Penelitian bertujuan untuk menganalisis struktur komunitas karang dan ikan ka...

Fish-borne parasites encompass diverse taxonomic groups, including nematodes of the genus Eustrongylides (family Dioctophymatidae), which infect fish, fish-eating birds, and, occasionally, humans. Eustrongylides spp. are globally distributed, with E. ignotus and E. tubifex prevalent in North America, while E. excisus is more frequent in Europe and...

Research on fish skin artefacts’ dyeing practices among the Nivkh, Nanai, Ulchi, Udegei, Oroch, and Negidal Indigenous Peoples of the Amur River basin remains scarce. These fishing communities traditionally crafted fish skin garments, essential to their subsistence and spiritual life, adorning them with protective motifs. While artistic and cultura...

Introduction: This study aims to analyze the relationship between economy, fishermen, inclusion, nature, empowerment, ecology, and local variables in the context of natural tourism development in Gosari Village, Ujungpangkah District, Gresik Regency, part of the minapolitan zone. Understanding these variables’ effects is essential for improving the...

The Dominican Republic faces a significant challenge due to the massive proliferation of pelagic sargassum, with increasing frequency and intensity of blooms impacting its coastal regions. This phenomenon poses a threat to the country's vital tourism sector, disrupts traditional fishing practices, and causes severe damage to delicate coastal ecosys...

The Mediterranean region is highly vulnerable to environmental and anthropogenic pressures, including climate change, which significantly affect its aquatic ecosystems, especially shallow lakes. This study examines the fish community and ecological quality of Lake Paralimni, a shallow mesotrophic lake in Central Greece that experienced complete des...

Mountaintop removal (MTR) coal mining generates large volumes of waste rock. Weathering of this waste rock releases selenium, which can bioaccumulate to levels that can harm, and even extirpate, downstream fish communities. This is well demonstrated in ecosystems impacted by active MTR operations; however, less is known about the long-term impacts...

Small-scale fishers across the globe are facing significant challenges as a result of increasing social and ecological pressures. Indeed, current trends in global fish catch illustrate much variability in future fish stock availability. These conditions create a decision environment where fishers must make trade-offs to continue their normal practi...

Despite efforts to minimize human impact on rivers, native teleost fish and lamprey species communities in Germany remain threatened. The aim of the study was to quantify current species diversity in the study area, identify the level of deviation from realistic reference conditions, and characterize relevant drivers of diversity loss. Site-specifi...

Globalization has dramatically accelerated the spread of non‐native species, intensifying threats to freshwater ecosystems. While China ranks among the most heavily invaded countries, the role of non‐native species as key drivers of biodiversity changes is often overlooked in research on anthropogenic impacts. This oversight hampers the development...

Reservoirs alter flows and aquatic habitats, reordering rarity patterns of reservoir ichthyofauna by allowing certain fish traits to flourish while filtering others. We reviewed the composition of fish species in an impounded river basin (Tennessee River, USA) to identify traits that influence rarity. We delineate levels of rarity based on the numb...

The ubiquity of data-limited, data-absent, and unmanaged fisheries around the world illustrates a significant need for enhanced monitoring of living marine resources beyond conventional agency-led programs. While quantitative stock assessments represent the gold standard for fisheries management, simple length-based datasets alone can provide impor...

Fish serve as a key source of income and sustenance for fishing communities. Assessing socioeconomic conditions is vital for promoting sustainable development. This study was conducted between July 2023 and June 2024 through Questionnaire Interviews and direct observation to evaluate the socioeconomic conditions of fishermen, fishing practices and...

Coastal fishing communities in Bangladesh are grappling with significant challenges posed by climate change and economic difficulties. These include burdensome loans, restricted market access, and the aftermath of natural disasters. This article seeks to introduce a tailored Responsible Market Systems (RMS) model that aims to bolster the resilience...

The present study examined the impact of community empowerment programs on sustainable tourism management at Ria Bomo Beach in Banyuwangi Regency. A quantitative descriptive approach was utilized to collect the data. The approach entailed the administration of a survey of 30 members of Benteng Samudera Community-Based Surveillance Group, a local fi...

Shark fisheries hold significant economic importance for coastal populations, especially in areas where alternative livelihoods are scarce. In Muncar, East Java, shark fishing has historically contributed to both income generation and food security among local fishers. Nonetheless, rising concerns about overfishing and the subsequent decline of ape...

Green Bay, the largest freshwater embayment in Lake Michigan, is a unique environment consisting of a trophic gradient along its north‐to‐south axis that shapes the heterogeneous and dynamic habitat, driving diverse fish behavior among the remnant coastal wetlands of Green Bay. Although previous studies of aquatic food webs in Green Bay have focuse...

The ecology of discard and commercial fish plays a crucial role in maintaining balanced ecosystems. It is also essential for assessing the ecological status of marine environments. The Gulf of Antalya is the largest and most oligotrophic area in the eastern Mediterranean Sea. It shows a distinct fish community structure compared to other regions al...

Aquatic vegetation plays vital roles throughout aquatic ecosystems through increasing habitat complexity, providing forage and refuge for a variety of organisms, and also through improving water quality. For fish, a host of studies have found a strong correlation between aquatic vegetation abundance, fish density, and species richness, and postulat...

Introduction To ensure the protection of aquatic ecosystems and fishery resources, while establishing a sustainable mechanism for the transformation of livelihoods that emphasizes ecological farming (leveraging the principles of ecological coupling and symbiosis to achieve harmonious integration between cultivation and breeding), a three-dimensiona...

Lake Victoria, the world's second-largest freshwater lake, sustains millions of fisher communities who rely on it for their livelihoods. Every day, individuals seek information to meet various needs and demands within their communities. Information serves as a critical resource for numerous activities, including improving livelihoods and gaining es...

This study examines the fish species composition and distribution across the estuary and its tributaries at RSU-San Agustin Campus, Romblon, Philippines. Fish communities in estuaries are structured by a variety of biotic and abiotic factors, including salinity gradients, water depth, substrate type, and food availability. Romblon, an archipelagic...

Interbasin water transfer (IBWT) projects are solutions to fix water supply problems and can affect patterns of biodiversity in riverine networks. An IBWT project constructed in Botetourt County, Virginia, directs water from Catawba Creek (James River drainage) into Carvins Cove reservoir (Roanoke River drainage). Etheostoma longimanum Jordan, 1888...

Freshwater environments are intertwined with human activities and the consequence has been environmental degradation and biodiversity loss. Fish provide key ecological and economic benefits, and fish abundance and diversity can be affected by human activities resulting in functional diversity (FD) changes that might scale up to ecosystem impacts. C...

Fish processing is crucial for women and households for its economic and food-related benefits in Sub-Saharan Africa. In Ghana, entrepreneurial women involved in fish processing operate at the intersection of different growth agendas and interventions that will directly or indirectly determine the future of the sector. Blue Economy investments in G...

The trophic spectrum provides a useful method to investigate the trophic structure of fish communities. However, ontogenetic shifts in diet can cause variations in the trophic level with body size, thereby influencing the trophic structure of fish communities. In this study, we investigated the effect of ontogenetic dietary shifts on the trophic st...

Understanding how environmental and human pressures impact the temporal stability of fish community biomass on shallow reefs is essential for effective conservation and management. These pressures influence community stability directly, by affecting species’ stability and asynchrony in species’ fluctuations. However, their effects may also indirect...

This study reveals ecological differences between Abotair and Bayada reefs. Abotair had higher coral cover and species richness, particularly among soft corals and sponges, suggesting more favorable conditions. Bayada, however, showed greater signs of stress and higher fish diversity, with predatory species dominating both sites. These patterns ref...

Highlight Research 1. The potential of coral reefs for marine tourism has been calculated. 2. The potential of coralfish for marine tourism has been identified. 3. Water quality parameters are supporting factors for the sustainability of marine tourism. 4. The suitability of snorkeling and diving tourism has been mapped. Abstract The waters of Tomi...

Background/Objectives: Fishing communities (FCs) around Lake Victoria have been identified as suitable for future HIV vaccine efficacy trials due to their high HIV incidence rates. To inform trial design and implementation, we evaluated adherence to vaccination schedules and study retention in a simulated HIV vaccine efficacy trial (SiVET) among ad...

Artificial reefs provide critical habitat for fish in areas lacking benthic structure, yet our understanding of how artificial reefs function and develop is limited. Here, changes in fish community assemblages were monitored using baited remote underwater video (BRUV) surveys before and after a new artificial reef was deployed in the northern Gulf...

Borthagaray, A. I., Teixeira de Mello, F., & Arim, M. (2025). Inferring riverscape dispersal processes from fish biodiversity patterns. Journal of Animal Ecology. https://doi.org/10.1111/1365‐2656.70033. Dispersal is one of the main determinants of biodiversity. Previous studies have pointed out that the diversity and composition of communities dep...

Background: Strong trust and extensive social networks can lead to increased social solidarity among fishers, creating an enabling environment for economic sustainability and community well-being. Objective: This study aims to influence social networks and trust on the social solidarity of the Kupa Village fishing community. Methods: The research m...

This article explores Vietnamese fishing activities in and out of the South China Sea. It considers the historical and economic trajectories of fishing communities in the region and the role of Vietnam’s subsidies and engagement as a maritime militia in drawing detrimental harvesting practices and transgressing into other countries’ Exclusive Econo...

The introduction of non-native species can disrupt the structure of communities and affect the functioning of freshwater ecosystems, disturbing various taxonomic groups, including fish. This study aimed to assess the ecological effects of the recent introduction of the signal crayfish Pacifastacus leniusculus in the fish communities in the Rabaçal...

Artisanal and small‐scale gold mining (ASGM) expansion in the Madre de Dios region of the Peruvian Amazon has transformed primary forests into a novel wetland complex of thousands of abandoned mining ponds. Despite their ecological relevance, post‐mining recovery of these systems remains understudied, particularly regarding fish biodiversity and re...

This autoethnographical analysis explores collaborative attempts to expand normative narratives about fishing communities to serve socioecological justice and alternative socioecological futures for small-scale fishing communities. It challenges normative framing of environmental narratives and investigates how knowledge is pictured and viewed in a...

Water quality degradation threatens macrophyte-dominated lake ecosystems, necessitating systematic analysis of spatiotemporal patterns and anthropogenic drivers. This study examines two macrophytic lakes (East Taihu and Liangzi Lake) using water quality monitoring data (2005–2023) through trophic state index (TSI), comprehensive pollution index (P...

The Madeira River is one of the main tributaries of the Amazon Basin, supporting over 1300 known fish species. Fisheries in this region play a critical role for riverine populations, serving as a primary source of income and sustenance. In 2011, the construction of the Jirau and Santo Antônio hydroelectric dams (HEDs) was completed along the Madeir...

There is limited population-level data on the pre-exposure prophylaxis (PrEP) care continuum in eastern Africa. Here, we assessed the PrEP care continuum following PrEP rollout in a Ugandan community with ~40% HIV seroprevalence. We used cross-sectional population-based data collected between September 3 and December 19, 2018 from a Lake Victoria f...

Urban expansion and intensified human activities have threatened the integrity of small lotic ecosystems, particularly in high biodiversity regions such as the Amazon. This study investigated the influence of habitat quality on the biological diversity of urban streams (locally known as “igarapés”) in the Southwestern Amazon, focusing on the fish c...

The study investigates the fish community structure and environmental drivers of Deepor Beel, a floodplain wetland situated in the Brahmaputra Valley of Assam, India. Recognized as a Ramsar site of international importance, Deepor Beel is a biodiverse habitat that supports a variety of flora and fauna, including a rich ichthyofaunal diversity. This...

Two major theoretical concepts of niche evolution lead to conflicting predictions in ecological studies: the competitive exclusion principle (CEP) predicts that closely-related species should be sufficiently divergent to coexist, whereas niche conservatism (NC) suggests that closely-related species should be more ecologically similar. Here, we test...

This study investigates the impacts of hydrological regime alterations on fish community structure and ecological types in the Yibin section of the Yangtze River. Utilizing eDNA metabarcoding data from 2021, combined with historical records, the study offers a comprehensive analysis of fish community structure, structural evolution, and shifts in d...

As we are progressing through the Anthropocene, it is imperative to understand how ecosystems degraded by historical impacts respond to future pressures. Particular attention should be directed at changes in the distribution and function of foundation species due to their disproportionately important ecological roles. Forest‐forming kelps are in de...

Marine ecosystems in small coastal and island communities play a vital role in sustaining local livelihoods. This study adopts a phenomenological approach, following the Stevick-Colaizzi-Keen method, to examine the forms of local ecological knowledge (LEK) held by fishermen on Barrang Lompo Island and how this knowledge informs their fishing practi...

In the 1950s, residents of the small fishing village of Minamata on the southern island of Kyūshū began to fall ill with a disease (later named Minamata disease) that caused damage to the central nervous system, physical disfiguration, abnormal pregnancies, and death. Investigations revealed what is now one of the most well-known cases of environme...

On July 1, 1946, less than a year after the bombing of Hiroshima and Nagasaki, the United States resumed nuclear testing in the Pacific. In March, 1954 the US forced the 166 inhabitants of Bikini Atoll in the Marshall Islands, part of the United Nations Trust Territory that was among the spoils of victory in world War II, to leave their home island...

O objetivo do artigo é analisar o perfil socioeconômico dos beneficiários da Reserva Extrativista Pirajubaé em Florianópolis-SC, compreendendo sua percepção ambiental, atividades econômicas adicionais e renda mensal média, de modo a reunir informações que possam contribuir para o desenvolvimento de políticas públicas sociais. A partir das informaçõ...

Introduction Growing evidence supports linkages between climate change and extreme weather events (EWEs) and sexual and reproductive health (SRH) among adults. Yet knowledge gaps persist regarding climate-related experiences and pathways to SRH among young adolescents (YA). We conducted a multi-method qualitative study to explore climate change-rel...

Surveys of fish diversity in complex heterogeneous environments are highly challenging to perform using traditional survey methods. Although environmental DNA (eDNA) metabarcoding has been effectively used to evaluate fish diversity, studies exploring the spatial and temporal variability of fish communities in mosaic habitats and their connection t...

The sea and its resources, especially fishery resources, are a gift from God Almighty for the welfare of all Indonesian people. Based on the state's right to control the earth and the natural resources contained therein, which originates from Article 33 paragraph (3) of the 1945 Constitution of the Republic of Indonesia, the government must regulat...

The aim of this study was to design and construct a solar-powered silver-fish dryer that would help reduce the post-harvest losses experienced by fishing communities in East Africa. The system was developed with the goal of promoting food security, improving preservation methods, and enhancing the quality of dried silver-fish. The construction proc...

The Central Paratethys Sea was a hot spot for biodiversity with a high degree of endemism. Yet, knowledge on marine vertebrates is still limited. Elasmobranchs (sharks, rays, and skates) occupied a diverse array of ecological niches and played a crucial role in the trophic structure of the Central Paratethys. However, offshore or deep-marine sedime...