coastal fisheries
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2022 ◽  
Vol 246 ◽  
pp. 106168
Author(s):  
Katrin Zander ◽  
Fabienne Daurès ◽  
Yvonne Feucht ◽  
Loretta Malvarosa ◽  
Claudio Pirrone ◽  
...  

2022 ◽  
Vol 246 ◽  
pp. 106156
Author(s):  
Paulo Torres ◽  
David Milla i Figueras ◽  
Hugo Diogo ◽  
Pedro Afonso

2021 ◽  
Author(s):  
◽  
Chinnamma Reddy

<p>In the Pacific, customary marine tenure-ship and management has been practised for centuries. Community based marine resource management (CBMRM) initiatives have seen governments, local communities and non-government organisations adopt various management tools to improve coastal fisheries. Despite these efforts, there are growing concerns over the decline of fisheries resources and the subsequent social-ecological problems that affect coastal communities.  In the last three decades, Fiji, has implemented various forms of CBMRM initiatives with varying social-ecological successes. Marine management and conservation efforts across the 410 qoliqoli areas (fishing grounds) are predominantly driven by Indigenous Taukei communities and non-government conservation organisations (NGOs). Over the past two years local communities, NGOs, and government have led and supported new management efforts to improve fisheries sustainability in the country.  Non-Indigenous resource users are limited by social and political policies to access and participate in coastal resource management. Fijians of Indian descent (Indo-Fijians) represent the second-largest ethnic group in Fiji and are engaged in both subsistence and artisanal fisheries. Their involvement and participation within the broader socio- economic and socio-political aspects of coastal fisheries is considerable, however, remains hidden. Using a qualitative approach, this study explores the issues, challenges, and opportunities that Indo-Fijian communities experience in the coastal fisheries sector in Ba Province, Fiji.  Findings from the research illustrate the informal yet complex nature of socio-economic and socio-cultural community relationships between customary Taukei qoliqoli owners and Indo-Fijian people. The role of Indo-Fijian women within the coastal fisheries sector is notable. The success of contemporary CBRMN in Fiji is dependent upon a re- imagined, re-adapted, diverse approach. Most importantly, this research provides an opportunity to foster discussion within contemporary community based marine management and conservation efforts currently in place by customary Taukei qoliqoli owners, conservation organisations and the government.</p>


2021 ◽  
Author(s):  
◽  
Chinnamma Reddy

<p>In the Pacific, customary marine tenure-ship and management has been practised for centuries. Community based marine resource management (CBMRM) initiatives have seen governments, local communities and non-government organisations adopt various management tools to improve coastal fisheries. Despite these efforts, there are growing concerns over the decline of fisheries resources and the subsequent social-ecological problems that affect coastal communities.  In the last three decades, Fiji, has implemented various forms of CBMRM initiatives with varying social-ecological successes. Marine management and conservation efforts across the 410 qoliqoli areas (fishing grounds) are predominantly driven by Indigenous Taukei communities and non-government conservation organisations (NGOs). Over the past two years local communities, NGOs, and government have led and supported new management efforts to improve fisheries sustainability in the country.  Non-Indigenous resource users are limited by social and political policies to access and participate in coastal resource management. Fijians of Indian descent (Indo-Fijians) represent the second-largest ethnic group in Fiji and are engaged in both subsistence and artisanal fisheries. Their involvement and participation within the broader socio- economic and socio-political aspects of coastal fisheries is considerable, however, remains hidden. Using a qualitative approach, this study explores the issues, challenges, and opportunities that Indo-Fijian communities experience in the coastal fisheries sector in Ba Province, Fiji.  Findings from the research illustrate the informal yet complex nature of socio-economic and socio-cultural community relationships between customary Taukei qoliqoli owners and Indo-Fijian people. The role of Indo-Fijian women within the coastal fisheries sector is notable. The success of contemporary CBRMN in Fiji is dependent upon a re- imagined, re-adapted, diverse approach. Most importantly, this research provides an opportunity to foster discussion within contemporary community based marine management and conservation efforts currently in place by customary Taukei qoliqoli owners, conservation organisations and the government.</p>


2021 ◽  
Vol 9 (12) ◽  
pp. 1341
Author(s):  
Sunarti Sinaga ◽  
Hsueh-Jung Lu ◽  
Jia-Rong Lin

Blue mackerel (Scomber australasicus) is a crucial target species for coastal fisheries in Taiwan, and additionally it has maintained its status as the highest-produced species. The timely measurement of spawning status is crucial for determining the correct management strategy for this species. The objective of this study was to determine size at maturity, fecundity, batch fecundity, and spawning frequency on the basis of samples collected from Nan-Fang-Ao fishing port in Yilan, during the spawning season from 2017 to 2019. Histological sections indicated that the blue mackerel were multiple spawners; a higher percentage of female fish spawned at the peak of the gonadosomatic index. The 50% sizes at maturity were 32.02, 32.13, and 29.64 cm. Mean total fecundity (batch fecundity) was 165 (103), 229 (96), and 210 (68) oocytes per ovary-free weight (g) for 2017, 2018, and 2019, respectively; fecundity was determined through observation of postovulatory follicles (POFs). The spawning frequencies (spawning fraction) in 2017, 2018, and 2019 were 3–10 days (0.13), 4–14 days (0.08), and 4–12 days (0.09), respectively. The spawning frequencies determined through the three estimated methods, namely the sums of (a) hydrated and Day 0 POFs; (b) Day 1+ POFs, and (c) all data combined, were 1 spawning event per 8, 10, and 9 days, respectively. The reproduction of the blue mackerel was greater in 2017 than it was in 2018 or 2019, as indicated by the higher batch fecundity and shorter spawning seasons. Environmental factors should also be considered as a major factor influencing successful reproduction and spawning season


Water ◽  
2021 ◽  
Vol 13 (22) ◽  
pp. 3268
Author(s):  
Georgios A. Orfanidis ◽  
Konstantinos Touloumis ◽  
Claus Stenberg ◽  
Patrizio Mariani ◽  
Josianne Gatt Støttrup ◽  
...  

Seagrass meadows and mussel reefs provide favorable habitats for many fish species, but few studies have compared the associated fish assemblages directly and examined the influence of environmental variables. Knowledge of fish assemblages associated with disparate habitats is needed for the conservation of coastal fisheries and marine spatial planning. Catch per unit effort data derived from fyke nets showed similar species richness and diversity in seagrass meadows and mussel reefs, suggesting that both habitats support elevated marine biodiversity of mobile fauna. However, it was shown that fish assemblage structure differed between those habitats, and also fish abundance in seagrass meadows was significantly higher than in mussel reefs by comparing the data with a multivariate extension of Generalized Linear Models (GLM). Furthermore, employing underwater video recordings to compare fish abundances in high and low water current speed mussel reefs with a Generalized Linear Mixed Model with negative binomial distribution, data revealed similar fish abundances (in terms of the MaxN metric) despite the variation in current speed, probably because the mussel formations provide sufficient shelter, even from high water currents. The commercially important species Atlantic cod (G. morhua), however, was significantly more abundant in the low water current mussel reef. Therefore, restoration efforts targeting G. morhua could benefit from restoring low current mussel reefs. Our study provides input for the conservation of coastal recreational and commercial fisheries, habitat restoration and marine spatial planning where certain habitats may be prioritized.


Author(s):  
Fahd Darasi ◽  
Mustapha Aksissou ◽  
Hesham Awadh

Coastal fisheries constitute an important source of employment and income for many coastal communities in Tangier. However, and despite its importance, there is little information available about their socioeconomic characteristics. Hence, this study was aimed to improve the knowledge about the socioeconomic and livelihood status of the fishermen in the port of Tangier. The work is totally based on a diagnosis of socioeconomic indicators derived from data obtained through a structured questionnaire carried out during 2018 to fishermen of coastal fishing. Fishermen have gaps in education and awareness about the issues related to the sustainability of resources. The great importance of this coastal fishery in the fishermen's household income is observed. In spite of the commercial value of the caught species by coastal fishing, income net profit is somewhat acceptable, and the wealth produced by this fishery has hardly impacted on the quality of the fishers' lives.


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