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  • 1
    Publication Date: 2021-11-05
    Description: La demanda de productos pesqueros en el mercado mundial está aumentando, particularmente en Asia, dada la afluencia y la apreciación de los beneficios que ofrecen estos alimentos para la salud humana. Esto, combinado con el colapso significativo de las producciones provenientes de la pesca de captura, ha traído como consecuencia un desarrollo vertiginoso de la acuicultura. Hoy, la acuicultura mundial es el sector de más rápido crecimiento de la industria alimentaria y representa aproximadamente el 45,6 % del consumo mundial de pescado. Sin embargo, el rápido desarrollo de sistemas semiintensivos, especialmente la acuicultura marina intensiva, ha generado preocupación a nivel mundial por los posibles impactos ambientales, económicos y sociales del uso de estos sistemas. Durante los últimos años se han llevado a cabo significativas investigaciones sobre el desarrollo de sistemas sostenibles de producción de alimentos en agua salada, mediante el uso de sistemas mecánicos como, por ejemplo, los Sistemas de Recirculación Acuícola (RAS) y otros con un enfoque ecosistémico como la Acuicultura Multitrófica Integrada (AMTI). Este trabajo se basa en mostrar las características del desarrollo de los sistemas AMTI y las posibilidades de su aplicación como sistemas de producción amigables con el medio ambiente, que contribuyan a la seguridad alimentaria, orientados a fortalecer la resiliencia de las comunidades pesqueras y acuícolas dando respuesta a los Objetivos de Desarrollo Sostenible de la Agenda 2030.
    Description: The demand for fish products in the world market is increasing, particularly in Asia, given the influx and the appreciation of the benefits that this food offers for human health. This, combined with the significant collapse of production from capture fisheries, has led to the rapid development of aquaculture. Today, global aquaculture is the fastest growing sector of the food industry and accounts for approximately 45,6 % of global fish consumption. However, the rapid development of semi-intensive systems, especially intensive marine aquaculture, has generated worldwide concern about the possible environmental, economic and social impacts of the use of these systems. During the last few years, significant research has been carried out on the development of sustainable saltwater food production systems, using mechanical systems such as Aquaculture Recirculation Systems (ARS) and others with an ecosystem approach such as Integrated Multi-trophic Aquaculture (IMTA). This work is based on showing the characteristics of the development of the IMTA systems and the possibilities of their application as environmentally friendly production systems that contribute to food safety, oriented to strengthen the resilience of fishing and aquaculture communities by responding to the Sustainable Development Objectives of Agenda 2030.
    Description: Published
    Description: Refereed
    Keywords: Acuicultura ; Impacto ; Desarrollo sostenible ; Medio ambiente ; Alimentos ; Aquaculture ; Impact ; Sustainable development ; Environment ; Food
    Repository Name: AquaDocs
    Type: Journal Contribution
    Format: pp.8-20
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  • 2
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    Instituto Nacional de Investigación y Desarrollo Pesquero | Mar del Plata
    In:  http://aquaticcommons.org/id/eprint/1714 | 125 | 2016-05-04 15:04:50 | 1714 | Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP), Mar del Plata, Argentina
    Publication Date: 2021-09-18
    Description: Age and growth of populations of three fish species from sixteen lakes and reservoirs situated in the Patagonian Andean and the Patagonian Plateau Region (Argentina) were studied. They included two native species, the Patagonian smallmouth perch. (Percichthys trucha) and the Patagonian silverside (Patagonina hatcheri) and the introduced rainbow trout (Oncorhynchus mykiss). For the three species backcalculated lenght at age was obtained from scale readings. Von Bertalanffy growth curves were usually adjusted to data. For the three species, faster growth was related with lake productivity. (Document contains 38 pages.)
    Keywords: Limnology ; Environment ; Argentina ; Patagonia ; Perciformes ; Percichthyidae ; Percichthys trucha ; Atheriniformes ; Atherinidae ; Patagonina hatcheri ; Salmoniformes ; Salmonidae ; Oncorhynchus mykiss ; pejerrey patagónico ; perca de boca chica ; trucha arco iris ; freshwater fish ; lakes ; growth ; reservoirs ; scale reading ; longevity ; growth curves ; potential resources ; embalses ; curvas de crecimiento ; peces de agua dulce ; lagos ; longevidad ; recursos potenciales ; lectura de escamas
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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  • 3
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27117 | 25 | 2021-02-14 02:41:47 | 27117 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-26
    Description: If managed sensibly, inland water bodies can go a long way to provide India with a sustainable future and food security for its population. Fish production in India registered a remarkable 16-fold increase during the last six decades to reach 12.59 mn tonnes (MT) in 2017-18, propelling the country to the position of the second-largest fish-producing nation in the world. During this period, the share of inland fish production has increased from 30 per cent to 70 per cent, and the present inland fish production has reached 8.9 MT. More than 14 mn fishers and fish farmers depend on fishing and fish farming for their livelihoods; many times more than that number eke out their living through support and ancillary activities like fish processing, trade and making of fishing craft and gear.
    Keywords: Environment ; Fisheries ; ICSF ; Samudra Report ; small-scale fisheries ; food security ; inland fisheries ; India ; fish farming ; livelihoods
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 33-37
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  • 4
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27118 | 25 | 2021-02-14 02:42:30 | 27118 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-26
    Description: More than the COVID-19 pandemic itself, the lockdowns to prevent its spread have harder hit Nigeria’s unorganized small-scale fishers. The COVID-19 pandemic has fundamentally struck all facets of life in affected countries and the small-scale fisheries (SSF) of Nigeria are no exception. The pandemic has hit the country’s small fishers both directly and indirectly. Small operators are the bulk of Nigeria’s fisheries sector. They account for 70 per cent of the domestic fish production, and sustain the livelihoods of millions of people in one way or another; the dependence on local fish species for economic and food security is evidently large. SSF provides an accessible, cheap and rich source of protein and essential micronutrients to the rural population. Their impact on social, economic and cultural spheres is immense.
    Keywords: Environment ; Fisheries ; samudra Report ; ICSF ; Small-scale fisheries ; livelihoods ; COVID ; fishing communities ; Nigeria ; fishing communities ; impact
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 49-52
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  • 5
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27120 | 25 | 2021-02-14 02:31:12 | 27120 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-26
    Description: The 1960 UN Conference on the Law of the Sea failed to reach agreement on the breadth of the territorial sea and fishing limits, with India, Chile and Ecuador playing decisive roles. The road to the 1982 United Nations Convention on the Law of the Sea (UNCLOS) was littered with failed treaty-making conferences. In 1930, a League of Nations conference broke up without a decision over territorial waters. In 1958, a UN conference failed to agree on the breadth of the territorial sea and associated fishing limits. In 1960, a follow-up UN conference to decide these two outstanding questions collapsed.
    Keywords: Environment ; Fisheries ; Law ; ICSF ; samudra Report ; UNCLOS ; India ; Chile ; Ecuador ; fishing limits ; law of the sea
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 55-57
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  • 6
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27122 | 25 | 2021-02-14 02:43:49 | 27122 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-26
    Description: An award-winning film, made on a tight budget, captures in powerful images the complexities of small-scale fishers and fish processors in West Africa. I’m in search of happiness. That’s how a young Guinean surprises us in the smoky atmosphere of a sardinella smoking oven in Casamance, Senegal, in a sequence from the film Poisson d’or, poisson africain. Thomas Grand and his friend Moussa Diop show us the price to pay for trying to make a living on this bustling beach. They give us a scalpel-sharp analysis of the complex realities of a temporary community that brings together, for six months of the year, men, women and children from all over West Africa, around the exploitation of fish.
    Keywords: Environment ; Fisheries ; ICSF ; samudra Report ; small-scale fisheries ; SSF guidelines ; West Africa ; Senegal ; film review ; fishing communities ; fishermen ; film festival
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 61-63
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  • 7
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27121 | 25 | 2021-02-14 02:43:19 | 27121 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-26
    Description: There is no reason to wait for consensus on what is justice before we do something about injustice in small-scale fisheries. With the Blue Economy/Blue Growth now spreading around the world, I believe the issue of social justice for small-scale fisheries is an important and increasingly urgent issue, also for social research. We now have the Voluntary Guidelines for Securing Sustainable Small-Scale Fisheries in the Context of Food Security and Poverty Eradication (SSF Guidelines), a landmark achievement when member-states of the Food and Agriculture Organization of the United Nations (FAO) endorsed them in June 2014. I believe that if states do nothing to implement the guidelines, the Blue Economy will come at a loss to small-scale fisheries. Then the many injustices they have faced for so long will only exacerbate.
    Keywords: Environment ; Fisheries ; Sociology ; ICSF ; samudra Report ; small-scale fisheries ; SSF guidelines ; FAO ; blue economy ; food security ; fishing communities
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 58-60
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  • 8
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27124 | 25 | 2021-02-14 02:45:15 | 27124 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-26
    Description: According to the State of Food Security and Nutrition in the World 2020 (SOFI 2020) released in July amidst the devastating impact of the COVID-19 pandemic, the number of people affected by hunger is steadily rising globally. People with higher risk of food insecurity include those with the lowest levels of income and education, the unemployed, those with health problem, those living in rural areas, and those separated or divorced. The report, which carries recent and authoritative estimates of hunger, food insecurity and malnutrition around the world, also revealed disturbing gender specific aspects of hunger: moderate to severe food insecurity is more prevalent among women than men; there is a growing gender gap in accessing food; and the most disadvantaged and vulnerable are often adolescents, women and children living in the poorest households in rural areas but also urban areas. When viewed in the context of a pandemic induced global economic crisis, these findings have serious implications for the lives of women in the small-scale fisheries.
    Keywords: Environment ; Fisheries ; ICSF ; Yemaya ; women in fisheries ; small scale fisheries ; gender ; COVID ; livelihoods ; impact ; fishing communities ; fish processing ; coastal communities ; food security ; Costa Rica
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 1
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  • 9
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27125 | 25 | 2021-02-14 02:45:38 | 27125 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-26
    Description: The harsh economic impact of the ongoing pandemic-related lockdown has spurred fisherwomen in Costa Rica to return to their traditional sources of livelihood. Although there have been very few COVID-19 cases in the area, the suspension of tourism with the COVID -19 pandemic has had an enormous impact on the southern Caribbean coast of Costa Rica. Until recently, tourism was the mainstay of the local economy in the coastal communities of Puerto Viejo, Cahuita, Manzanillo and Cocles. However, the crisis has brought about a re-activation of traditional ancestral livelihoods where fishermen and women take to the sea in boats and kayaks bringing food to their families and communities.
    Keywords: Environment ; Fisheries ; Costa Rica ; ICSF ; Yemaya ; traditional communities ; livelihood ; fishing communities ; women ; lockdown ; COVID ; small-scale fisheries
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 2-3
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  • 10
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27127 | 25 | 2021-02-14 02:46:49 | 27127 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-26
    Description: The impact of the COVID-19 lockdown on a small-scale fishing in Lorient is vividly captured in the pages of a diary maintained by a gillnetter skipper’s spouse. In March 2020, Emmanuelle Yheul-Bertin, wife of a gillnet skipper who runs a 13-metre gillnetter vessel with four men on board, began recording the experiences of skipper and crew during the COVID-19 lockdown. Her diary covers the period from mid-March to early May. The first entry signals a gathering cloud of anxieties. “The media is reporting lockdown restrictions to prevent the spread of COVID,” writes Emmanuelle, “but the artisanal fishery in Lorient is yet to recover from the impact of the winter’s numerous storms.”
    Keywords: Environment ; Fisheries ; ICSF ; Yemaya ; women in fisheries ; small scale fisheries ; gender ; COVID ; artisanal fisheries ; lockdown ; gillnetter ; France
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 4-5
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  • 11
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27126 | 25 | 2021-02-14 02:46:01 | 27126 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-26
    Description: Amélie Dennebouy has challenged gender stereotypes to become a successful mussel entrepreneur in Pénestin, France. “ We don’t employ women!” Just how many times Amélie Dennebouy, a mussel farm worker, heard that phrase since she began working in the sector at age 17, it would be impossible to say. “Ten years ago, I realised that it would be difficult to find employment in the production segment because I am a woman,” says Amélie. Stories flood her mind: managers laughing at her when she handed in an application for work as a production worker, pushing her to the sales department instead; the crude questioning of some: “Have you passed under the desk?”
    Keywords: Environment ; Fisheries ; ICSF ; Yemaya ; women in fisheries ; small scale fisheries ; gender ; France
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 5
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  • 12
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27170 | 25 | 2021-02-21 23:53:17 | 27170 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-26
    Keywords: Environment ; Fisheries ; ICSF ; Yemaya ; women in fisheries ; small scale fisheries ; gender ; livelihoods ; impact ; fishing communities ; Senegal
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 14-15
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  • 13
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27173 | 25 | 2021-02-21 23:55:38 | 27173 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-26
    Description: This photo-essay depicts the practice of aratu fishing carried out by women in the mangroves of northeastern Brazil. Aratu (Goniopsis cruentata) are small, reddish crustaceans that live on the branches of mangroves. They are processed and sold, the sweetness of the meat making them a prized delicacy. Aratu fishing is carried out mostly by women, for whom it is a source of income, allowing them to get by without formal employment, and offering a certain freedom in their lives. Unlike the crab, the aratu is a fast breeder but both types of crustaceans have their own pros and cons. “If aratu bred like crab, there wouldn’t be much to pick since there are a lot of people fishing. We’re lucky that it reproduces fast. Crab is less labour intensive and fetches more money. Aratu has to be picked before it is sold; crab doesn’t need any such processing”
    Keywords: Environment ; Fisheries ; ICSF ; Yemaya ; women in fisheries ; small scale fisheries ; gender ; livelihoods ; impact ; fishing communities ; Brazil ; food security ; poverty ; photo-essay ; Indigenous communities ; employment ; labour ; crab
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 23-30
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  • 14
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27112 | 25 | 2021-02-14 02:38:17 | 27112 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-25
    Description: Access to affordable small fish is key to achieving zero hunger and improved nutrition in Ghana’s poor urban households, a new study shows. Small fish are indeed the backbone of Ghana’s animal protein supply in the poor urban neighbourhoods of Accra (such as Nima, Chorkor, Ga Mashie and James Town) and Tamale (such as Sagnarigu, Kukoo, Sakasaka and Salamba). This is the conclusion of a recent research project called Fish4Food. The academic team behind the project drew from the University of Amsterdam (UoA), the University of Ghana (UoG) and the Kwame Kwame Nkrumah University of Science and Technology (KNUST). Until recently, this critical aspect was largely overlooked. The research findings demonstrate that despite the high appeal of large-sized fish–not to mention the increasingly popular farmed fish like tilapia and catfish–the urban poor prefer smaller pelagics like anchovies, herrings and mackerels.
    Keywords: Environment ; Fisheries ; Sociology ; ICSF ; Nutrition ; Samudra Report ; small scale fisheries ; impact ; anchovies ; Ghana ; fishing communities
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 23-25
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  • 15
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27115 | 25 | 2021-02-14 02:40:37 | 27115 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-25
    Description: The fish-processing industry’s path of using fishmeal to grow shrimp amounts to exporting the precious nutrition that India’s children badly need. In the early morning of 25 September 2019, on the shores of Cuddalore in Tamil Nadu, India, the humble sardine commenced its journey. The journey of its afterlife, that is. A group of women waited together, empty baskets in hand, chatting while waiting for the boats to arrive. Their expectations do not remain unanswered. Boats bulging with little shiny sardines return from calm seas. Boats carrying sardines, along with their histories of struggle. Big trawlers, small trawlers, ring seines, fibreglass boats: everyone has been scooping up schools of sardine today.
    Keywords: Aquaculture ; Environment ; Fisheries ; ICSF ; Samudra Report ; small-scale fisheries ; food security ; fishmeal ; India ; Tamil Nadu ; fish processing
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 38-42
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  • 16
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    In:  ulyssesmontojo@gmail.com | http://aquaticcommons.org/id/eprint/27090 | 25026 | 2020-08-21 04:28:09 | 27090 | National Fisheries Research and Development Institute, Philippines
    Publication Date: 2021-07-24
    Description: Waste from aquaculture is considered as one of the possible causes of water quality deterioration in Manila Bay. Aquaculture in the area accounts for almost 30% of the total production in the Philippines. This high production entails intensified application of inputs that could possibly contribute to the nutrient (nitrogen, N and phosphorus, P) load in the bay. Thus, estimation of the N, P and SO4 loaded from aquaculture farms is necessary to develop more responsive intervention to reduce nutrient load in Manila Bay. Water samples were collected throughout the rearing period from different aquaculture systems in Cavite, Bulacan, Pampanga, and Bataan. The annual estimated N and P loaded from aquaculture farms were 12, 696.66 MT and 2, 363.01 MT, respectively. Fish pens/cages recorded the highest contribution accounting for 88% N and 86% P of the total load. It can be attributed to the direct release of uneaten feeds into the bodies of water. Roughly, 12% N and 14% P were obtained from the fishponds. Furthermore, the annual SO4 loaded from fishponds was estimated at 36,917.54 MT. Results of the study suggested that there should be an extensive monitoring of the environmental impacts and annual load of aquaculture farms for the sustainable regulations and management of aquaculture activities to reduce nutrient load and improve the aquaculture production as well. Finally, strict compliance to the regulatory guidelines and ordinances must be imposed to achieve the effluent quality standards.
    Description: Bureau of Fisheries and Aquatic Resources
    Keywords: Aquaculture ; Chemistry ; Ecology ; Environment ; Pollution ; fishponds ; fish pens/cages ; nitrogen ; phosphorus ; nutrient load
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 30-39
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  • 17
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27107 | 25 | 2021-02-14 02:34:50 | 27107 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: While small-scale fishers in Indonesia have not been hit by COVID-19 infections, the lockdown measures and economic policies have left them more vulnerable. The novel coronavirus (SARS-CoV-2) has forced changes across the world. After cases spread rapidly outside Wuhan, China since January 2020, the World Health Organization (WHO) declared COVID-19 as a global pandemic on 11 March 2020. As the number of confirmed cases of infection crossed 31 mn in September, with more than 1 mn deaths, the pandemic has spread to about 200 countries. The United States, Brazil, India and Russia have recorded the greatest numbers.
    Keywords: Environment ; Fisheries ; Sociology ; ICSF ; samudra Report ; Indonesia ; COVID ; small-scale fisheries ; fishing communities ; livelihoods ; impact
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 4-7
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    The International Collective in Support of Fishworkers (ICSF) | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27104 | 25 | 2021-02-14 02:44:50 | 27104 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: The latest issue of the women-in-fisheries newsletter of the International Collective in Support of Fishworkers (ICSF), Yemaya No.61, dated August 2020, features articles and interviews from Brazil, Costa Rica, France, India, Indonesia, Mexico and Senegal. The lead article is on small-scale fisheries and food security and the issue also carries a photo essay on the practice of Aratu fishing in the mangrove forests of Brazil.The Costa Rica article, by Maria Suarez Toro, looks at how the harsh economic impact of the ongoing Covid-19 pandemic-related lockdown has spurred fisherwomen to return to their traditional sources of livelihood. Emmanuelle Yhuel -Bertin looks at the impact of the Covid-19 lockdown on small-scale fishing in Lorient, France, and how it is vividly captured in the pages of a diary maintained by a gillnetter skipper’s spouse. The article has been translated from French by Daniele Le Sann.The article from Indonesia, by Dedi Adhuri, points out how incomes from both harvest and post-harvest activities have dried up, leaving fishers in the lurch, adding to the anxieties of women who must make arrangements to survive from one day to the next.Inés López-Ercilla, Jorge Torre, Neyra Solano, and Francisco Fernández, in their article on Mexico, argue that, as in other countries, the experience of sheltering at home has led to increased domestic violence against women. Women in the small-scale fishing sector in Mexico are key drivers ensuring food security and community wellbeing during the Covid-19 pandemic.Ria Fitriana and Maria Kurupat, in their article on Indonesia, looks at how the changing land-use patterns threatens the livelihood of female crab collectors in Merauke, Papua, Indonesia.The article by Julie Lalluet-Geffroy,translated from French by Gildas, portraits a resolute mussel farmer, Amélie Dennebouy, who has challenged gender stereotypes to become a successful mussel entrepreneur in Pénestin, France.Nicole Franz, in her article, provides a brief overview of relevant international legal instruments and processes on small-scale fisheries contributions to rights to food and nutrition security, with a focus on the Food and Agriculture Organization of the United Nations (FAO).In Assane Deme’s interview (transcript prepared by Beatrice Gorez and translated from French to English by Gildas) with Mme Diaba Diop, general secretary of Pencum, Senegal, she points out that it is imperative that States extend all possible support to fishing communities, particularly to women and other vulnerable sections, in order to mitigate the dual challenge of growing food insecurity amidst the spread of Covid-19. There is a need for rehabilitating the processing sites, she added. Women would require field training to master new techniques.Beatriz Mesquita,Lorena Franca and Luciecia Cristina Moraiss da Silva, in their interview with Sandra Gomes, President of the Association of Indigenous Communities of the Middle Negro River ( ACIMRN), speaks about the challenge indigenous communities are facing due to Covid-19.Vishakha Gpta, in the Yemaya Recommends section, poins out that the film, Seguridad Alimentaria (Food Security) shows how activities such as fishing and clam gathering are experiences through which the community connects and continues to pass on their heritage.In the Profile column, Nasser Kasozi writes about how the work of Lovin Kobusiye is an example of new entrepreneurship emerging in pan-African fisheries and aquaculture.In the Whats New Webby? section, Manas Roshan writes about how ICSF’s new website, https://covid.icsf.net presents information on specific sectoral issues affected by Covid-19 and also disseminates new information as signs of recovery from the pandemic.In the Milestones section, Ahana Lakshmi speaks about how the new book, "The Sustainable Development Goals Report 2020", indicates that women now have better access to decision-making positions at the local level, mainly through legislated quotas.This issue of the Yemaya also carries the ever-popular cartoon strip, Yemaya Mama ('A fishy deal’).The current issue can be accessed at:https://www.icsf.net/en/yemaya/article/EN/61.html?limitstart=0
    Keywords: Environment ; Fisheries ; Brazil ; Costa Rica ; France ; India ; Indonesia ; Mexico ; Senegal ; women in fisheries ; Yemaya ; ICSF ; COVID-19 ; gender ; impact ; livelihoods ; fishing communities ; small scale fisheries ; fisheries ; Indigenous Communities ; Food security ; aquaculture ; Africa ; The Sustainable Development Goals Report 2020
    Repository Name: AquaDocs
    Type: monograph
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    Format: 32
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  • 19
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27106 | 25 | 2021-02-14 02:34:16 | 27106 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: By reminding us of the connection between food, health systems, sustainable development and human rights, the global COVID-19 pandemic offers an opportunity to build forward better. Even as we celebrate the contributions of small-scale fisheries to nutrition and food security within a rights-based framework, which is part of an ICSF campaign, we ought not to forget the context in which these are located. The global pandemic of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), commonly referred to as COVID-19, has swung the spotlight to illness, wellness and immunity. Precisely therein lies the importance of fish as food in various contexts and for diverse actors along the marine and inland fisheries value chain.
    Keywords: Environment ; Fisheries ; Sociology ; Samudra Report ; ICSF ; COVID-19 ; pandemic ; human rights ; food security ; impact ; livelihoods ; small-scale fisheries ; lockdown ; livelihoods ; poverty ; vulnerability ; fishing communities ; fishers
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27108 | 25 | 2021-02-14 02:35:23 | 27108 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: Small-scale fisheries are important for the food security of the United States. Yet relief measures during the COVID-19 pandemic favour industrial operators, and are unsustainable. When the global COVID-19 pandemic hit the US in March 2020, no one knew for certain what it would mean for the seafood industry, let alone small- to mid-scale fishing operations. With most restaurants, hotels and catering services forced to shut down or drastically curtail operations, and with the complete shutdown of schools and universities, the demand for seafood reduced by nearly 80 per cent. Alongside this, transportation restrictions to stem the tide of the virus broke the supply chains of fishing operations.
    Keywords: Environment ; Fisheries ; ICSF ; samudra Report ; small-scale fisheries ; fishing communities ; USA ; impact ; fishermen ; livelihoods ; COVID
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    The International Collective in Support of Fishworkers (ICSF) | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27105 | 25 | 2021-02-14 02:32:05 | 27105 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: This issue was designed as a special edition to complement ICSF's campaign celebrating the contributions of small-scale fisheries to nutrition and food security within a human-rights-based framework. As the SAMUDRA Comment notes, the COVID-19 pandemic reminds us of the connection between food, health systems, sustainable development and human rights, and offers an opportunity to build back and build forward better.The articles in this edition of SAMUDRA Report – from 10 countries in Africa, Asia, South America and Oceania – reflect on the pandemic's impacts on fisheries, and situates the components of food security in the lives and livelihoods of SSF in several countries.The individual articles are as follows:Indonesia: COVID-19 lockdown measures have struck small-scale fishersUnited States: COVID-19 relief measures have favoured industrial operatorsBrazil: COVID-19 threatens the lives and livelihoods of vulnerable indigenous communities in the AmazonMalawi: Fish is an unrecognized element of trade in the Southern African Development Community (SADC)Ghana: A study explored how access to affordable small fish will reduce hunger and improve nutritionIndonesia: The unique flavours of the East Java cuisine come from the traditional fish processing technique of pindangTimor-Leste: The island nation is closing the gender gap while also providing food securityIndia: Managed sensibly, inland water bodies can provide the country with sustainable food securityIndia: The use of fishmeal to grow shrimp is exporting the precious nutrition that India’s children deserveAnalysis: A roadmap is needed for the role of fish in the right to food and nutritionNigeria: More than COVID-19 itself, the lockdowns have hit the country's unorganized small-scale fishers harderPacific Islands: The push for 30 percent MPAs must not bypass the democratic route used by small island nations to improve fisheries and incomesAnalysis: The 1960 UN Conference on the Law of the Sea (UNCLOS) failed to reach agreement, with India, Chile and Ecuador playing decisive rolesSSF / Blue Economy: There is no reason to wait for consensus on what is justice before acting on injustice in small-scale fisheriesReview: An award-winning film captures the complexities of small-scale fishers and fish processors in West Africa
    Keywords: Environment ; Fisheries ; Sociology ; Samudra Report ; ICSF ; COVID-19 ; lockdown ; Indonesia ; Nigeria ; US ; Brazil ; Indigenous communities ; Amazon ; gender ; Timor-LEste ; Ghana ; Nutrition ; small-scale fisheries ; UNCLOS ; Malawi ; Southern African Development Communities (SADC) ; India ; Pacific Islands ; West Africa ; Fishing communities ; food security ; sustainable management ; income ; small islands ; conservation
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27109 | 25 | 2021-02-14 02:37:01 | 27109 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: Apart from exposing vulnerable indigenous communities to infection, COVID-19 threatens a programme that provides livelihood to the vulnerable and helps conserve freshwater fish species. Indigenous people and rural communities in Brazil’s Amazon region have been dramatically hit by COVID-19. A note issued on 10 June by the Coordination of Indigenous Organizations of the Brazilian Amazon (COIAB), in response to the Brazilian government, said the actions of the official agencies in response to the pandemic are regrettable: “So far the responses of the National Indian Foundation (FUNAI) and of the Special Secretariat of Indigenous Health (SESAI) to the COVID-19 have been slow, unco-ordinated and insufficient.
    Keywords: Environment ; Fisheries ; ICSF ; samudra Report ; small-scale fisheries ; fishing communities ; Brazil ; impact ; fishermen ; livelihoods ; COVID
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/25965 | 25 | 2018-10-11 10:37:37 | 25965 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: A review of The Small-Scale Fisheries Guidelines: Global Implementation. Jentoft, S., Chuenpagdee, R., Barragán-Paladines, M.J., Franz, N. (Eds.) People, not profits, or even fish, are the fundamental feature of artisanal and small-scale fisheries throughout the world. This self-evident truth has for too long been absent in many policies dealing with fisheries or coastal management and development plans, to the detriment of not only people, but also ecosystems and the economic viability of what are critical industries at local and global scales.
    Keywords: Environment ; Fisheries ; ICSF ; Samudra Report ; review ; SSF guidelines ; small-scale fisheries ; human-rights-based approach ; human rights ; coastal management ; coastal development ; fisheries management ; fisheries policy ; ecosystem based approach ; environmental management ; poverty ; fishing communities
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/25968 | 25 | 2018-10-11 10:30:38 | 25968 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: With a record participation, the Thirty-third Session of the FAO Committee on Fisheries (COFI) managed to integrate small-scale fisheries issues into almost all agenda items. The Thirty-third Session of the Committee on Fisheries (COFI) of the Food and Agriculture Organization of the United Nations (FAO), held in July 2018, saw a record participation. There were 760 delegates representing member countries, and many representing non-governmental organizations (NGOs) and intergovernmental organizations (IGOs). Small-scale fisheries issues were integrated into almost all agenda items of the meet.
    Keywords: Environment ; Fisheries ; Management ; ICSF ; Samudra Report ; FAO ; COFI 2018 ; small-scale fisheries ; NGOs ; IGOs ; SOFIA ; SSF guidelines ; code of contact ; poverty ; CCRF ; artisanal fisheries ; climate change ; fisheries statistics
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  • 25
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    In:  http://aquaticcommons.org/id/eprint/25999 | 18721 | 2018-10-19 18:21:42 | 25999 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-07-24
    Description: Variation of hydrochemical conditions, with special reference to adequacy of waters as fish habitats, was traced based on selected hydrochemical parameters obtained during the studies conducted from February 2013 till February 2014 year. The results were compared with earlier studies. The sources of organic pollution were identified, and the effects of biogenic substances on the biomass, as well as the self-purification capability of the river, were assessed. The total suspension exceeded the requirements for waters which are habitats of both salmonid and cyprinid fishes. Compared to the previous years, the load of organic and inorganic matter in the waters of Wiśniówka River increased; this may have resulted from external inflow, neighbourhood of the hatchery but also, to a small extent, from internal supply. The high availability of nitrogen-(NNH_4+; N-NO_2-, N-NO_3-) and phosphorus-(total phosphorus; P-PO_4 ^3-) based biogenic (substances favoured the biomass production, thus contributing to the increase in organic matter load in the river.
    Keywords: Pollution ; Poland ; Wiśniówka River ; Aquatic ; Environment ; Estuary ; Fish ; Pollution ; Water quality ; Organic
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    In:  http://aquaticcommons.org/id/eprint/26103 | 18131 | 2019-01-25 10:16:06 | 26103 | Islamic Azad University, Bandar Abbas Branch
    Publication Date: 2021-07-24
    Description: Little information is available on coral diseases in the Persian Gulf; however, in the recent years, reports of coral diseases increased in particular from Iranian side of the Persian Gulf. In this paper we report a White Mat Disease resulting in mass mortality of Porites colonies at Hormuz Island. This outbreak infected 96% of all Porites colonies and killed 58±30% (mean ± SD) of all Porites tissues.
    Keywords: Biology ; Conservation ; Ecology ; Environment ; Mass mortality ; Porites sp. ; white mat disease ; coral disease ; disease outbreak ; zoanthid intraction ; coral reef ; Hormuz Island ; Persian Gulf
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    Publication Date: 2021-07-24
    Description: The effect of substrates on the surface cover by the soft coral, Zoanthus sansibaricus, and the brown alga, Iyengaria stellata, and their competitional condition, was compared in Hormuz Island by estimating of coverage area in 40 quadrates (50×50 cm). This soft coarl (Zoanthid) is a dominant species in the island’s intertidal zone and I. stellata is a dominant macroalgea most of the year. Significant negative correlation (p〈0.01; r =-0.607) revealed competition between the two species for settlement on the two substrates. Soft coral with 61.7% coverage was dominant vs. 16.8% for brown algae on muddy-rubble substrate, but on sandy-rubble substrate, the brown algae was dominant with 37.8% coverage vs. 19.5% for the soft coral. It seems that better competitional conditions in settlement on unconsolidated substrate have some advantages for Z. sansibaricus.
    Keywords: Biology ; Ecology ; Environment ; Macro algea ; brown alga ; Iyengaria stellata ; soft coral ; coral community ; Zoanthous sansibaricus ; intertidal substrate ; Zoanthid ; Strait of Hormuz ; Hormuz island ; Persian Gulf
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    In:  http://aquaticcommons.org/id/eprint/26110 | 18131 | 2020-10-11 21:10:54 | 26110 | Islamic Azad University, Bandar Abbas Branch
    Publication Date: 2021-07-24
    Description: Field surveys pertaining to coral reef studies were performed from November 2010 to August 2011 around Larak Island in the Persian Gulf. The Line Intercept Transect (LIT) method was applied to record biotic and abiotic components of the coral reefs at two sites around Larak Island: North East (NE) and South West (SW) with two stations per site. Mean "Live Coral Coverage" (LCC) and “Dead Coral Coverage” (DCC) at SW 21.74% ± 1.92%, 4.58% ± 0.65%and NE sites were 5.69% ± 0.54%, 35.64% ± 3.28% respectively. Dead Coral Coverage was more prevalent in the NE than in SW. Based on Mann-Whitney U-test LCC and DCC showed significant difference (p〈 0.05) among these two sites, (p〈 0.05); The Kruskal-Wallis test also showed significant difference (p〈 0.05) among four stations within two sites. This study indicated that coral communities of the NE site have been more destroyed by human impacts such as municipal run-off, breakwater construction, trap fishing, over-fishing and several other human activities.
    Keywords: Biology ; Ecology ; Environment ; Coral reef ; Coral community ; coral degradation ; disturbance ; coral reef structure ; anthropogenic activity ; over fishing ; Lara Island ; Iranian island ; Persian Gulf
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    In:  http://aquaticcommons.org/id/eprint/26449 | 18721 | 2019-05-06 09:57:24 | 26449 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-07-24
    Description: Nutrient enrichment in water and sediments due to excessive anthropogenic activities in recent years has caused excessive algal growth in the Caspian Sea. The current study was conducted to determine the abundance of phytoplankton community, the dominant species and chlorophyll-a [Chl-a] concentration during algal blooms in the Iranian coastal waters of Caspian Sea through four seasons from 2013 to 2014. The minimum and maximum phytoplankton abundance recorded were 73±31 and 505±55 million cells m-3 in summer and winter, respectively. The median concentration of Chl-a increased to 5.81 mg m -3 in autumn, as compared to the annual median value (2.43 mg m^-3 ). The results indicated that the bloom started in autumn and it continued falling with a low concentration during winter (Chl-a: 2.59 mg m^-3). The three species Stephanodiscus socialis, Binuclearia lauterbornii and Thalassionema nitzschioides were classified in medium bloom class (100-1000 million cells m^-3) in spring, summer and autumn, respectively. While in winter Pseudonitzschia seriata (harmful species) and Dactyliosolen fragilissima were classified in medium bloom class with high relative frequency. The scaling of bloom abundance revealed that bloom initiation coincided with 10 million cells m^-3 of the dominant phytoplankton species. The bloom at the regions with more than 100 million cells m^-3 of total phytoplankton abundance and dominant species was overlapped with the bloom regions based on Chl-a concentration.
    Keywords: Biology ; Environment ; Oceanography ; Pollution ; Phytoplankton ; Bloom ; Scale characteristics ; Caspian Sea ; Iran
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    In:  http://aquaticcommons.org/id/eprint/26014 | 20827 | 2018-10-11 09:55:16 | 26014 | Samar State University
    Publication Date: 2021-07-24
    Description: Samar’s bays are among the few areas where green mussel thrives making it one of the major sources in the country. In 2007, Samar green mussel industry was almost wiped out due to mass mortality of the bivalve. Its survival depends on many variables, one of which is the environmental parameters such as salinity, dissolved oxygen, pH, temperature, chlorophyll, water current, and depth. This paper presents the characteristics of the green mussel belts including the seawater physicochemical parameters as well as a qualitative assessment of water quality from 2004 to 2013 as observed by 92 residents. Results have shown that during normal conditions, the bays the mussel belts are sandy to sandy-muddy substrates. The seabed especially near river mouths are heavily silted and have dark muddy substrates believed to be carried by river waters. During heavy precipitation, the water in the bays changes to brown color. Contaminated water flows from agricultural farms as well as fish ponds. Communities along the river and the coast of the bays dispose their domestic wastes directly into the body of water. The physicochemical parameter varies from in the three bays studied attributed to the different configuration of the bay. Average seawater temperature, salinity, DO, and pH is 26.56oC, 32.13 ppt, 7.03 ppm and 7.32 respectively. The variation is attributed to the volume of water flowing into the bays and the bay's configuration. Residents believe that seawater quality was at its worst state in the years 2007 and 2008 and have improved since then.
    Keywords: Environment ; Fisheries ; Cambatutay Bay ; Maqueda Bay ; Mussel survival ; tahong farms ; Villareal Bay
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    In:  http://aquaticcommons.org/id/eprint/26015 | 20827 | 2018-10-11 09:48:13 | 26015 | Samar State University
    Publication Date: 2021-07-24
    Description: Coral reefs are one of the most productive marine ecosystems that helps replenish fish stocks in the sea. Samar, Philippines relies so much on marine products as the main source of food and livelihood, thus care of its reef is very important. There are several reefs in the bays and seas of Samar with Lutao Reef as the largest for the City of Catbalogan. The barrier reef is estimated to be 1.6 km long and 0.25 km width covering an area of about 37.64 hectares. Despite being a protected habitat since 1996, the reef shows a certain level of degradation attributed to some destructive fishing, gleaning of important marine resource, and practices such as improper waste disposals causing damage to the corals in the reef. Non-biodegradable waste clings on to the coral reef were observed. Only about ¾ is covered with about 13 genres of live corals mostly of Acropora genre. About 10% of the reef corals are dead, some exhibits coral bleaching. A total of 43 species of fish were identified with nine dominant species namely; Pomacentrus trilineatus, Pomacentrus richardsoni, Plotosus lineatus, Cheilodipterus novemstriatus, Abudefduf vaigiensis, Pterocaesio tile, Neoglyphidodon melas, Abudefduf sexfasciatus, and Cheilodipterus quinquelineatus with numbers varying monthly. There are signs of slow phase of recovery which can be enhanced with strong intervention from the authorities and the people.
    Keywords: Conservation ; Environment ; Fisheries ; Coral bleaching ; Maqueda Bay ; Marine protected area ; Reef fishes ; Samar Sea
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    In:  http://aquaticcommons.org/id/eprint/26102 | 18131 | 2019-01-16 08:25:29 | 26102 | Islamic Azad University, Bandar Abbas Branch
    Publication Date: 2021-07-24
    Keywords: Biology ; Ecology ; Environment
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    In:  http://aquaticcommons.org/id/eprint/26112 | 18131 | 2019-01-21 08:49:44 | 26112 | Islamic Azad University, Bandar Abbas Branch
    Publication Date: 2021-07-24
    Description: Reports on the outbreaks of coral diseases are on the rise, stating that diseases are considered to be one of the main drives in the decline of global coral reefs. In this study, the outbreak of growth anomalies (GAs) in coral communities of the south of Qeshm Island in the Persian Gulf is reported. Despite a previous report on the localized GAs on a few colonies, this is the first report of GA outbreak from the Persian Gulf, in which 28 ± 11 % (±SE) and 21 ± 13 % of P. daedalea and Porites colonies contracted GAs in July 2012. A year later, we recorded GAs on 37 ± 07 % of P. daedalea and 23 ± 12 % of Porites colonies. Pearson’s correlation test showed a strong positive relationship between coral colony size and the number of GAs (r = 0.907, p\0.05). Further investigation is needed to understand the cause of GAs, their progress trend, and prospective impacts on the coral communities at our studied site.
    Keywords: Biology ; Conservation ; Ecology ; Environment ; Disease outbreak ; coral disease ; coral reef ; Growth anomalies ; Platygyra daedalea ; Massive Porites ; Qeshm island ; Persian Gulf
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    In:  http://aquaticcommons.org/id/eprint/26113 | 18131 | 2019-01-25 10:18:28 | 26113 | Islamic Azad University, Bandar Abbas Branch
    Publication Date: 2021-07-24
    Description: Coral bleaching events due to elevated temperatures are increasing in both frequency and magnitude worldwide. Mass bleaching was recorded at five sites in the northern Persian Gulf during August and September 2012. Based on available seawater temperature data from field, satellite and previous studies, we suggest that the coral bleaching threshold temperature in the northern Persian Gulf is between 33.5 and 34°C, which is about 1.5 to 2.5°C lower than that in the southern part. To assess the bleaching effects, coral genera counted during 60-minute dives were categorized into four groups including healthy, slightly bleached (〈50% bleached tissue), mostly bleached (〉50% bleached tissue) and fully bleached colonies. The anomalously high sea surface temperature resulted in massive coral bleaching (~84% coral colonies affected). Acropora spp. colonies, which are known as the most vulnerable corals to thermal stress, were less affected by the bleaching than massive corals, such as Porites, which are among the most thermo-tolerant corals. Turbid waters, suggested as coral refugia against global warming, did not protect corals in this study since most affected corals were found in the most turbid waters. The 2012 bleaching in the northern Persian Gulf was relatively strong from the viewpoint of coral bleaching severity. Long-term monitoring is needed to understand the actual consequences of the bleaching event on the coral reefs and communities.
    Keywords: Biology ; Conservation ; Ecology ; Environment ; Coral bleaching ; Mass bleaching ; thermal threshold ; Iranian Islands ; Persian Gulf
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    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26276 | 2002 | 2019-02-21 01:10:25 | 26276 | Southeast Asian Fisheries Development Center, Secretariat
    Publication Date: 2021-07-24
    Description: A study on petroleum hydrocarbon concentrations in seawater from the South China Sea off the western coast of the Philippines was conducted during April to May 1998. The concentrations of dissolved/dispersed petroleum hydrocarbons (DDPH) in seawater samples were measured at 31 stations, using Ultraviolet Fluorescence (UVF) Spectroscopy technique. The DDPH concentrations were found to be in the range of 0.02 - 1.47 µg/l as chrysene equivalent, with an average of 0.25 µg/l. An attempt was made to compare between petroleum hydrocarbons in seawater samples from the near-shore area (8 stations) and the offshore area (23 stations). It was found that the DDPH concentrations of the near-shore stations were in the range of 0.03 - 0.47 µg/l, with an average of 0.12 µg/l, whereas the DDPH concentrations of the offshore stations were in the range of 0.02- 1.47 µg/l, with an average of 0.29 µg/l. However, the student’s t-test of the two data groups indicated that the two means were not significantly different at a = 0.05.
    Keywords: Environment ; Pollution ; Pollution monitoring ; Marine pollution ; Coastal waters ; Petroleum hydrocarbons ; South China Sea ; Philippines
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    Format: 316-320
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/26329 | 25 | 2019-03-26 11:37:42 | 26329 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: A Fisheries and Aquaculture Response to Emergency (FARE) training, along with a Training of Trainers course, was held recently in St Georges, Grenada
    Keywords: Environment ; Fisheries ; Samudra Report ; ICSF ; Grenada ; natural disaster ; hurricane ; Caribbean ; impact ; livelihoods ; fishing communities ; damage
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    In:  pjms_ku@yahoo.com | http://aquaticcommons.org/id/eprint/26535 | 25017 | 2019-05-27 10:16:32 | 26535 | University of Karachi. Marine Reference Collection and Resource Centre
    Publication Date: 2021-07-24
    Description: Discharge of industrial and domestic wastes in sea alter the physical and chemical properties of sea water, which may affect the marine ecosystem. This study was aimed to measure the water quality of eight different creeks around Port Qasim. Samples were collected and analyzed using standard procedures during February and March,2009. The parameters including pH, Conductivity, Total Dissolved Solids, Salinity, Dissolved Oxygen, Nitrate, Phosphate, Sulphate, Chloride, Calcium, Potassium, Zinc,Iron, Cobalt, Chromium, Manganese and Cadmium were determined. The result shows that Bakran creek and Gharo-Phitti creeks are heavily polluted compared to other creeks. This study recommends that wastes from the industries or sewerage should be treated before being discharge into the creek system.
    Description: Higher Education Commission of Pakistan
    Keywords: Conservation ; Environment ; Pollution ; Creeks ; Port Qasim ; nutrients ; Gharo-Phitti ; Bakran
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    In:  pjms_ku@yahoo.com | http://aquaticcommons.org/id/eprint/26593 | 25017 | 2019-06-03 12:03:46 | 26593 | University of Karachi. Marine Reference Collection and Resource Centre
    Publication Date: 2021-07-24
    Description: Mangrove ecosystem of Indus delta is degrading at an alarming rate due tomultiple threats including human activities and the environmental pollution that are themost significant threats among them. This study focuses on the physico-chemicalcharacteristics in the mangroves of north western part of the Indus delta and the effect ofpollution on these characteristics. Particular, attention is paid on population structure ofthe predominant mangrove species Avicennia marina. Comparison was done betweenpolluted and anthropogenically stressed Sites 1, 2, 3 (Rehdri creek) and unpolluted sites4, 5 and 6 (Shah Bunder) were studied. Higher silt fraction was found in Rehdri, whereasgreater clay component was found in Shah Bunder. Soil organic matter ranged between10.9 to 12.4 % in the polluted sites while in the unpolluted sites it ranged between 4.89--8.26%. pH and salinity were both higher in the unpolluted sites at Shah Bunder. Thenutrients and pollutant levels were higher in polluted area, e.g. the maximum TKNrecorded was 7.86±1.47 while it was as low as 0.035±0.01 in the unpolluted locality.BOD and COD were also higher in the creeks of polluted mangroves than in theunpolluted area. The difference in characteristics of the two sites was obvious in clusteranalysis and in the PCA ordination. The growth of the monospecific stands of Avicenniamarina is higher at Rehdri; is due to nutrient dumping from the cattle colony effluent;comparing with Shah Bunder which has a sparse vegetation, lesser tree density andsmaller average DBH, which may be due to lower level of nutrients and/or interspecificcompetition. Greater number of individuals in smaller size classes showed amplerecruitment. Absence of certain size-classes in unpolluted sites could be attributed toillegal harvesting of larger mangrove trees. Types of stresses in both the localities aredifferent and are a cause of concern for the conservationists.
    Keywords: Conservation ; Environment ; Pollution ; Mangrove forest ; Indus Delta ; anthropogenic stresses ; pollution.
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    Islamic Azad University, Science and Research Branch, Tehran
    In:  http://aquaticcommons.org/id/eprint/26631 | 17408 | 2019-06-19 15:34:05 | 26631 | Islamic Azad University, Science and Research Branch, Tehran
    Publication Date: 2021-07-24
    Description: In this study, toxicity and probable effects of nanomaterial’s including titanium dioxide, copper oxide and zinc oxide in acute and chronic toxicity tests, separately and together has been studied on indicator species of water resources, including Daphnia magna, Amphibalanus amphitrit, Artemia fransiscan .Acute toxicity effects has been studid During the 96-hour and chronic toxicity test done in 14-day period (Artemia franciscana and Amphibalanus amphitrite) and 21 days (Daphnia magna), in exposure to Nano-materials separately, and the percentage of two nanomaterial’s and all three Nano-materials to study synergistic effects. Water quality parameters including DO, pH, EC, temperature, water hardness, SS and TDS in all treatments were measured, daily. The number and percentage of daily mortality recorded and by using Probite software LC50, LC10, LC90 were calculated. In chronic toxicity tests other parameters including larval development success, fertility, the percentage of adhesion to surfaces (barnacles) were recorded. Daphnia magna acute lethal toxicity LC50 96h for exposure to titanium dioxide, zinc oxide and copper oxide nanoparticles, were 123.796, 0.648 and 2.991 mg/ l respectively, and for barnacle were 25.434, 143.776 and 2.501 ml/l respectively, and for Artemia were 30.548, 173.209 and 4.328 mg/l, respectively. Statistical analysis and correlation coefficients in acute toxicity test showed a significant correlation between mortality and time. In Acute toxicity tests on Daphnia magna was found that titanium oxide and zinc oxide enhances the effects of mortality caused by copper. However, titanium dioxide and zinc has no effect on these at the same time not increasing. In the case of titanium dioxide and zinc oxide showed the synergistic effect on the toxicity of copper oxide, and copper oxide, titanium dioxide has a synergistic effect in toxicity. In Artemia titanium dioxide and zinc oxide, has the synergistic effect of copper oxide and copper oxide have the synergistic effect of titanium dioxide. In chronic toxicity studies in addition to mortality, the percentage of adhesion (Barnacles), success in the development of the larval stages, reproductive success, respond to light, were analyzed. These nanomaterials have an adverse effect on fertile time, delay and time spent in the larval stages of species, light respond and swimming in this species.
    Description: PhD
    Description: Advisor: Neamat allah Jaafarzadeh Haghighi fard; Shahla Jamili Consulting Advisors: Parvin Farshchi; Lobat Taghavi
    Keywords: Environment ; Pollution ; Daphnia magna ; Amphibalanus amphitrit ; Artemia fransiscan ; Nanomaterials ; Acute toxicity ; Chronic toxicity ; Synergistic effect
    Repository Name: AquaDocs
    Type: thesis
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27174 | 25 | 2021-02-21 23:57:00 | 27174 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: The impact of the COVID-19 pandemic on SDG 5. The Sustainable Development Goals (SDGs) were adopted by all United Nations Member States in 2015 as a universal call to action to end poverty, protect the planet and ensure that all people enjoy peace and prosperity by 2030. How has progress towards this end been affected by the COVID-19 pandemic? A new report, the Sustainable Development Goals Report 2020, released in July by the United Nations Development Programme (UNDP) presents an overview of progress towards the SDGs before the pandemic started, but it also looks at some of the devastating initial impacts of COVID-19 on specific goals and targets. We focus here on SDG 5: Gender equality and empower all women and girls.
    Keywords: Environment ; Fisheries ; ICSF ; Yemaya ; women in fisheries ; small scale fisheries ; gender ; livelihoods ; impact ; fishing communities ; C OVID ; SDG 5 ; gender equality and empowerment
    Repository Name: AquaDocs
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    Institut National de Recherche Halieutique | Casablanca, Morocco
    In:  secretariatcid@inrh.ma | http://aquaticcommons.org/id/eprint/26061 | 21144 | 2018-11-07 16:51:15 | 26061 | Institut National de Recherche Halieutique, Morocco
    Publication Date: 2021-07-24
    Description: This document presents the results of the Sanitary Surveillance of Shellfish Production Areas, carried out by the National institute of fisheries research (INRH) teams during the year 2015.
    Keywords: Environment
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    National Fisheries Resources Research Institute (NaFIRRI) | Jinja, Uganda
    In:  http://aquaticcommons.org/id/eprint/26053 | 4230 | 2018-10-21 09:52:16 | 26053 | National Fisheries Resources Research Institute, Uganda
    Publication Date: 2021-07-24
    Description: National Fisheries Resources Research Institute (NaFIRRI) undertakes quarterly monitoring of the water environment at Source of the Nile (SON) fish farm. The activity which is through a collaborative arrangement between SON fish farm and NaFIRRI aims at assessing possible changes in the water environment at SON cage area. The fish rearing activity at SON fish farm involves keeping fish in cages often under high stocking densities and feeding them on artificial feeds that are not the natural food eaten by wild fish. Cages being open systems means that all wastes such as faeces, uneaten feed and fish excretes such as ammonia are shed into the water column (Fernandes et al., 2001). The consequence is increased nutrient input which may result into high algal growth (bloom). Although this may mean more food available to primary consumers such as zooplankton, blooms caused by blue-green algae may be harmful as certain species are associated with production of toxins. In addition, the degradation of excessive phytoplankton biomass can lead to anoxic conditions in sediments underlying the cages thus changing the abundance and composition of the resident fauna. Napoleon Gulf being a shallow bay at the exit of River Nile from Lake Victoria harbours a wide variety of wild fish species that are cherished by riparian human populations. The wild fishes living close to cages are bound to be affected by activities associated with this method of fish farming. Cage farming is likely to affect the presence, abundance, diet and residence time of organisms in given vicinity (Carss, 1990; Dempster et al., 2002). Floating structures including cages may act as Fish Attracting Devices (FADs) and most pelagic fishes are known to be strongly attracted to floating objects (Freon and Dagorn, 2000; Castro et al., 2002). Wild fish could be attracted to these sites by for example plenty of food available to the cultured fishes (Bjordal & Skar, 1992). In the process, other ecological interactions between cultured and wild fish may be possible. Wild fish may also be instrumental in cleaning the environment close to the cages through eating any excess uneaten food left by cultured fishes. Caged fish under crowded conditions is susceptible to waterborne diseases and could infect wild fish or vice versa. While diseases breaking out among cultured fishes may be controlled through treatment, the wild fishes cannot undergo treatment and may thus spread diseases to other fishes, hence affecting yields from capture fishery. Furthermore, escape of cultured fish may cause genetic dilution hence decreasing genetic diversity of fish. These and other possible impacts of cages on the water environment may consequently result into conflicts 2 with other resource users especially due to deteriorating water quality and effect on wild fishes, consequently affecting the cage aquaculture industry. Therefore, the following were established as key parameters to be monitored: water temperature, dissolved oxygen, pH, conductivity, water transparency, total suspended solids, nutrient status, algae, zooplankton, benthic macro invertebrates and fish communities. The present report presents field observations made at the two cage sites of Source of the Nile fish farm including upstream, downstream and reference points, for the second quarter (April to June) undertaken in June 2017. The report provides a scientific interpretation and discussion of the results with reference to possible impacts of the cage facilities on the water environment and the different aquatic biota in and around the fish cage site.
    Keywords: Aquaculture ; Environment ; Limnology ; Pollution
    Repository Name: AquaDocs
    Type: monograph
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    Leibniz-Institut für Ostseeforschung Warnemünde | Rostock, Germany
    In:  http://aquaticcommons.org/id/eprint/26030 | 20978 | 2018-10-21 01:18:53 | 26030 | Leibniz-Institut für Ostseeforschung Warnemünde
    Publication Date: 2021-07-24
    Description: ENGLISH ABSTRACT: The article summarizes the hydrographic-hydrochemical conditions in the western and central Baltic Sea in 2017. Based on meteorological conditions, the horizontal and vertical distribution of temperature, salinity, oxygen/hydrogen sulphide and nutrients are described on a seasonal scale. For the southern Baltic Sea area, the “cold sum” of the air temperature of 31.7 Kd in Warnemünde amounted to a mild winter in 2014/15 and ranks as 15th warmest winter since the beginning of the record in 1948. The summer “heat sum” of 159.5 Kd ranks on 28th position of the warmest summers over the past 70 years and is slightly above the long-term average of 153.4 Kd. Based on satellite derived Sea Surface Temperature (SST) 2017 was the eleventh-warmest year since 1990 and with 0.24 K slightly above the long-term SST average. March, April and October - December contributed to the average by their positive anomalies. July and August were characterized by negative anomalies. The anomalies reached maximum values of +2 K and -3 K. The situation in the deep basins of the Baltic Sea was mainly coined by beginning stagnation at bottom-near water depths of the eastern Gotland Basin and ongoing ventilation of the upper part 5 of the deep-water above 150 m as a consequence of weak inflows. For the first time within this phase of intensified inflow activity, starting in 2014, the ventilation of the Farö Deep at the Northern Central Basin was registered at the beginning of the year. In the course of 2017 two weak inflows showing total volumes of 210 km^³ (February) and 188 km^³ (October) were registered. In conclusion, the impact of the observed phase of intensified water exchange processes with subsequent consequences for the biogeochemical cycles is weakening.GERMAN ABSTRACT: Die Arbeit beschreibt die hydrographisch-hydrochemischen Bedingungen in der westlichen und zentralen Ostsee für das Jahr 2017. Basierend auf den meteorologischen Verhältnissen werden die horizontalen und vertikalen Verteilungsmuster von Temperatur, Salzgehalt, Sauerstoff/ Schwefelwasserstoff und Nährstoffen mit saisonaler Auflösung dargestellt. Für den südlichen Ostseeraum ergab sich eine Kältesumme der Lufttemperatur an der Station Warnemünde von 31,7 Kd. Im Vergleich belegt der Winter 2016/17 den 15. Platz der wärmsten Winter seit Beginn der Aufzeichnungen im Jahr 1948 und wird als mild klassifiziert. Mit einer Wärmesumme von 159,5 Kd rangiert der Sommer im Mittelfeld der 70jährigen Datenreihe und reiht sich auf Platz 28 der wärmsten Sommer ein. Das Langzeitmittel liegt bei 153,4 Kd. Auf der Grundlage von satellitengestützten Meeresoberflächentemperaturen (SST) war 2017 das elft- wärmste Jahr seit 1990 und mit 0,24 K etwas über dem langfristigen SST-Mittel. März, April und Oktober - Dezember trugen durch ihre positiven Anomalien zum Durchschnitt bei. Juli und August waren durch negative Anomalien gekennzeichnet. Die Anomalien erreichten Höchstwerte von +2 K und -3 K. Die Situation in den Tiefenbecken der Ostsee war im Wesentlichen geprägt durch bodennah einsetzende Stagnation im östlichen Gotland Becken und Belüftung der mittleren Wassersäule oberhalb 150 m im Zuge kleinerer Einströme. Zu Jahresbeginn wurde das im nördlichen Zentralbecken gelegene Farö Tief erstmals innerhalb der aktuellen Einstromphase belüftet. Im Jahresverlauf 2017 wurden zwei weitere schwache Einströme mit Volumina zwischen 210 km³ und 188 km³ im Februar sowie Oktober registriert. Zusammenfassend kann gesagt werden, dass die Auswirkungen der seit 2014 beobachten Phase von verstärkten Wasseraustauschprozessen mit entsprechenden Konsequenzen für die biogeochemischen Kreisläufe abklingen.
    Keywords: Environment ; Oceanography ; Western Baltic Sea ; Central Baltic Sea ; temperature ; salinity ; oxygen/hydrogen sulphide ; nutrients ; Baltic Sea Monitoring Programme
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    National Fisheries Resources Research Institute (NaFIRRI) | Jinja, Uganda
    In:  http://aquaticcommons.org/id/eprint/26063 | 4230 | 2018-10-21 11:13:50 | 26063 | National Fisheries Resources Research Institute, Uganda
    Publication Date: 2021-07-24
    Description: The monitoring of water quality and biotic communities at Source of the Nile (SON) fish farm area, for quarter 4 (October – December) was undertaken in December 2017. The activity aimed at assessing possible changes in the water environment at SON cage area. The following parameters were assessed: water physico-chemicals and nutrients, algae, zooplankton, benthic macro invertebrates, and fish communities. Total depth was above 5.0 m (range: 5.63 – 9.74 m) at all sampled points and decreased towards the downstream of cages. Water transparency ranged from 1.26 – 1.48 in the cage area and 1.08 to 1.34 m away from the cages. Within the cage area, Dissolved Oxygen ranged from 5.7 – 6.4 mg/L at the surface, and 5.1 – 6.4 mg/L at the bottom, while in the non-cage areas, the range was 5.5 – 7.5 mg/L at the surface and 2.6 – 7.0 mg/L at the bottom. Temperature ranged from 27.0 – 28.0 o C at the surface and 25.5 – 27.5 o C at the bottom waters for all sites, and were within the optimal range (25 – 32 o C). pH in both surface and bottom waters was above 7.0 (range: 7.5 – 9.2) at all sites. Conductivity within cage area ranged from 100.5 – 102.6 μScm-1 in surface water and 101.8 – 112.1 μScm-1 in bottom water. In the non-cage areas conductivity ranged from 11.0 – 104.4 μScm-1 in surface water and 100.2 – 110.0 μScm-1 at the bottom. Ammonium nitrogen concentration during December was less than 0.02 mg/L at all sites (0.007 – 0.018 mg/L within the cage sites, and 0.012 – 0.019 mg/L in the non-cage sites). Nitrite nitrogen ranged from 0.002 – 0.169 mg/L in the cage area, and 0.003 – 0.057 mg/L in the non-cage areas. Similar to previous records of June and September 2017, nitrate nitrogen concentration generally increased towards the downstream site, being lowest at RPT (0.041 mg/L) and highest at DSC (0.204 mg/L). Soluble reactive phosphorus was less than 0.005 mg/L at all sites, and varied within narrow margin (range: 0.003 – 0.0048 mg/L in cage sites, and 0.0032 – 0.0047 mg/L in non-cage sites). The TP concentration ranged from 0.085 – 0.107 mg/L in the cages, and 0.090 – 0.118 mg/L in the non-cage sites and was higher than recorded in September (0.038 – 0.044 mg/L in the cages and 0.04 to 0.109 mg/L away from cages). Total nitrogen concentration was in the range of 0.138 – 0.553 mg/L within cage area and 0.421 – 0.513 mg/L in non-cage areas. The concentration of TSS ranged from 0.76 – 4.33 mg/L in the cage area and 0.57 – 2.76 mg/L in the non-cage areas. The phytoplankton community was composed of blue-green algae, green algae and diatoms, dominated by blue-green algae. The abundance of algae was higher in the non-cage areas (mean:7.20 ± 2.14 mm3L-1, Range: 5.15 – 10.20 mm3L-1) than recorded in the cage areas (mean: 6.0 ± 0.71 mm3L-1, Range: 5.30 – 6.98 mm3L-1), similar to observations of September 2017 (〈 5 mm3L1 within the cages and 〉5.6 mm3L-1 in the non-cage sites). At all sampled points, blue-green algae contributed 〉70% of total abundance. Total zooplankton abundance ranged from 982,213 – 1,310,830 ind.m-2 in the non-cage sites, and 740,601 – 1,503,130 ind.m-2 in the cage areas. Similar to observations of September 2017, the upper cage site (WIC3 and WIC4) presented lower zooplankton abundance (mean: 788,954 ± 68,381 ind.m-2) when compared to the lower cage site with mean abundance of 1,128,232 ± 530,186 ind.m-2. Like in the previous sampling periods, copepods were the numerically dominant group (92.69 – 97.22 % of total zooplankton abundance) at all sampled points, with no major differences between cage and non-cage areas. The high abundance of copepods was attributed to the abundance of the juvenile stages (copepodites and Nauplius larvae) which contributed 83.72 – 92.78% of the total zooplankton abundance and this was mainly due to the Nauplius larvae (66.4 – 83.2 %). Cladocera relative abundance ranged from 0.32 – 3.98% while that of rotifers ranged from 1.55 – 3.74%. The macro-benthic community comprised molluscs, annelids and arthropods. Taxa richness ranged from 5 – 11 taxa in the cage area, and 7 – 9 taxa in the non-cage areas. The abundance of benthic invertebrates within the cage area ranged from 1,134 – 2,416 ind.m-2 and this was higher than previously recorded in September (294 – 1,415 ind.m-2). In the non-cage sites abundance was in the range of 420 – 3,992 ind.m-2. Oligochaete annelids which are reported to be very tolerant to pollution contributed 0 - 28 % of the abundance of benthos at cage sites and 3 - 20% at the non-cage sites. Diptera made the greatest contribution at almost all sites, with the percent abundance being higher in non-cage sites (40 – 86%) than what was recorded in the cage sites (37 – 82%). Chironomus spp. and Chaoborus sp. were the main contributors to the observed Diptera abundance at all sites. Six fish species, including haplochromines (Nkejje) as a single species group, were recorded in the vicinity of the cages during December 2017. Five fish species were recorded from upstream the cage site, four species from within cage area, and two species from downstream the cages. Overall mean catch rates were 1.8 fish/net/night and 148.6g/net/night compared to 1.7 fish/net/night and 175.4g/net/night recorded in September 2017. By weight, catch rates in December 2017 were highest upstream the cage site (312.1g/net/night) and also by numbers (3.1 fish/net/night). Four species of haplochromines were recorded in the vicinity of the cages during the survey of December 2017 compared to six species recorded in September 2017. The overall catch rate for the haplochromines, in December 2017 was 1.7fish/net/night and 27.5g/net/night compared to 3.4 fish/net/night and 62.3g/net/night recorded in the previous survey of September 2017. Among the fish species examined during December 2017 survey, most of the haplochromine cichlids (88.9%) were mature but only 50% breeding. Only one specimen of L. niloticus was mature and breeding. All S. afrofischeri and S. victoriae specimens examined were mature and in breeding condition while M. kannume was immature. The diet of fishes encountered comprised mostly of fish and insects, which are known natural foods of the fish species. Infection by fish parasites during the survey of December 2017 was not noticed in any fish recorded from the experimental gillnets. The overall observation on concentrations of nutrients, levels of physico-chemical variables, and biotic communities indicated minimal impact of cages on water quality. The farm should therefore continue adhering to the best environmentally sustainable aquaculture practices, especially continuing with fallowing or rotation of cages to allow resident organisms maintain their natural population densities, distribution and community structure in the area; reducing excess uneaten feed and other suspended materials which would impact on nutrient status and biota; as well as wise use of any chemicals in the area.
    Keywords: Aquaculture ; Environment ; Limnology ; Pollution
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    Columbia River Estuary Data Development Program | [Astoria, OR]
    In:  http://aquaticcommons.org/id/eprint/26287 | 42 | 2019-03-09 16:59:26 | 26287
    Publication Date: 2021-07-24
    Description: Columbia River Estuary Data Development Program (CREDDP)
    Description: Page count includes front matter and appendix.
    Keywords: Environment
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    Type: monograph
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    Columbia River Estuary Study Taskforce | Astoria, OR
    In:  http://aquaticcommons.org/id/eprint/26285 | 42 | 2019-03-06 22:43:57 | 26285
    Publication Date: 2021-07-24
    Description: Columbia River Estuary Data Development Program (CREDDP)
    Description: Page count includes front matter and appendices.
    Keywords: Environment
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    Type: monograph
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/26342 | 25 | 2019-03-27 12:38:53 | 26342 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: A review of the documentary film about women fishers living in the floating villages of Tonle Sap Lake, Cambodia, considered the world’s most productive inland fishery. Produced by Conservation International and Fintrac; filmed and edited by Dominique Tardy, scripted by Olivier Joffre and narrated by Susan Novak. Duration 12 min 29 sec; Language: English.
    Keywords: Environment ; Fisheries ; Yemaya ; ICSF ; women in fisheries ; Cambodia ; Tonle Sap Lake ; livelihoods ; women in fisheries ; inland fisheries ; fish processing ; fishing communities
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/26340 | 25 | 2019-03-27 12:33:40 | 26340 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: Meet Alejandra and Maria Elena, women fishers from Mexico’s Lake Chapala region, whose work contradicts the belief that fishing is something that only men can do
    Keywords: Environment ; Fisheries ; Yemaya ; ICSF ; Mexico ; women in fisheries ; fishing communities ; Lake Chapala ; livelihoods
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    In:  http://aquaticcommons.org/id/eprint/26459 | 18721 | 2019-05-06 09:04:05 | 26459 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-07-24
    Description: Research on eliminating organic pollutants in water by using heterogeneous photocatalysts such as nano-TiO_2 abound. However, the question is whether metabolites, resulting from optical dispersion of environmental pollutants, are still toxic to aquatic organisms. Therefore, this study was designed to evaluate the effect of a co-exposure to paraquat and TiO_2-NPs on blood biochemical indices of common carp. Fish were exposed to 0.2 and 0.4 mg L^-1 paraquat with 0.125 mg L^-1 TiO_2-NPs for 21 days under different light conditions, including natural photoperiod (16 L 8h^-1 D) and complete darkness. No significant alterations in the Aspartate aminotransferase (AST), Alanine aminotransferase (ALT), Lactate dehydrogenase (LDH), Alkaline phosphatase (ALP) and Creatine phosphokinase (CPK), activities and total protein, albumin, globulin, glucose, cholesterol and triglyceride levels were observed in fish exposed to TiO_2-NPs and 0.2 mg L^-1 paraquat under normal lighting conditions. However, a significant change in blood biochemical indices in fish exposed to TiO2-NPs with 0.4 mg L^-1 paraquat (16 L 8h^-1 D) and in fish exposed to TiO_2-NPs and paraquat (under darkness). A significant decrease in the activity of Gamma-glutamyltransferase (GGT) and a significant increase in creatinine level were observed in all groups which were exposed to TiO_2-NPs and paraquat. The results of this study indicate that using 0.125 mg L^-1 nano-TiO2 in order to remove paraquat (0.2 mg L^-1) under lighting conditions can minimize the adverse effects of paraquat and its metabolites on blood biochemical indices of fish. So, using nano-TiO_2 (0.125 mg L^-1) to remove paraquat under lighting conditions can significantly reduce its toxic effects.
    Keywords: Biology ; Chemistry ; Environment ; Pollution ; Photocatalyst ; TiO2 ; Paraquat ; Biochemical parameters ; Common carp ; Iran
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    In:  http://aquaticcommons.org/id/eprint/26453 | 18721 | 2019-05-06 09:45:29 | 26453 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-07-24
    Description: Due to industrialization, a number of factories and human population have increased rapidly. As a result, the amount of waste matter such as heavy metals released to the environment has been increased. Specifically aquatic systems are more sensitive to heavy metal pollution and the gradual increase in the levels of such metals in aquatic environments, mainly due to anthropogenic sources, have become a problem of primary concern (Ashraf et al., 2012). The natural aquatic ecosystems may extensively be contaminated with heavy metals released from domestic, industrial and other anthropogenic activities (Kamaruzzaman et al., 2011).
    Keywords: Biology ; Environment ; Pollution ; Heavy metals ; Accumulation ; Cyprinus carpio ; Squalius cephalus ; Capoeta umbla ; Muscle ; Turkey
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    In:  pjms_ku@yahoo.com | http://aquaticcommons.org/id/eprint/26588 | 25017 | 2019-06-03 11:48:43 | 26588 | University of Karachi. Marine Reference Collection and Resource Centre
    Publication Date: 2021-07-24
    Description: Mangrove ecosystems are vulnerable to different types of contaminationthrough various anthropogenic activities which threaten to system and their residentbiota. This study aims to evaluate the eight heavy metals (Fe, Cu, Zn, Co, Cr, Ni, Pb andCd) distribution in the mangrove sediments and their transfer rate in two inhabitantdeposit feeder crabs (Macrophthalmus depressus and Austruca sindensis) near HawksBay. According to the sediment quality guidelines (SQGs), mangrove sediments werecontaminated by Ni, Cu, Cr, Pb and Cd and considered infrequent or frequent adverseeffect of these metals on benthic fauna. The significant differences (p 〈0.05) wereobserved in Fe, Ni, Cr and Pb concentrations between the sediment and crab species, butonly Pb was observed significantly greater in crab species as compared to sediment. Thelevels of Fe, Zn and Cr were observed significantly higher in M. depressus as comparedto A. sindensis, while other metals showed no significant differences between bothspecies and showed similar rates of metal accumulation. Sediment biota accumulationfactor (SBAF) showed the values of Cu, Pb and Cd greater than one, indicate the hightransfer rate of these metals from sediment to both crab species through activeaccumulation. Pearson’s correlation analysis showed the dissimilar sources of metalscontamination in sediment, whereas, strong inter-elemental correlations were observed inboth crab species which indicates the similar source of metal accumulation.
    Keywords: Biology ; Environment ; Pollution ; Heavy metals contamination ; deposit feeder crab ; bioaccumulation ; mangroves habitat ; Hawks Bay.
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    Publication Date: 2021-07-24
    Description: The reproduction of Pagellus acarne caught in Oran Bay was studied. The samples used were sorted monthlyfrom commercial catches of coastal trawlers operating in this area from April 2008 to July 2009. The overall sex ratio wasin favor of females 1:1.27 and length frequency distribution according to sex revealed that the females were highlyrepresentative beyond 20.5 cm of total length presuming a sexual inversion already described for this sparidae. Theestimated lengths at maturity (Lm) were 12.8 cm for females and 16.0 cm for males. Two spawning periods were made outby the follow-up of the gonado and hepato somatic indexes: a spring period from April to June with a peak in May and anautumnal period, between November and January with a peak in December. The closed season in Oran Bay extends from 1stMay to 31th August, which is to our opinion insufficient to safeguard the renewal of the resource and its spawning stock.
    Keywords: Biology ; Environment ; Fisheries
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    In:  btlotfi1977@gmail.com | http://aquaticcommons.org/id/eprint/26676 | 18156 | 2019-07-23 02:41:57 | 26676
    Publication Date: 2021-07-24
    Description: The present paper reports a new record of Giant devil ray Mobula mobular (Bonnaterre, 1788)from western Algerian waters that is encountered for the first time in that coast since its firstdescription in 1901 and last observation in late 80’s. This elasmobranch is categorized asendangered on the IUCN Red List (Endangered A2d ver 3.1) and is likely to be the rarest of the ninespecies of Mobula genus. Occasionally it is captured in Mediterranean Sea by purse seines,bottom and pelagic trawls, pelagic nets, bottom longlines, drifters and harpoons. The specimenstranded in “la Madrague Beach” in Western Algerian coasts. Its disc length was measuring108.96 cm and disc width was 226.02 cm. This Myliobatidae is rarely seen with daily landed fish atOran fishery. Up to date no explicit reason can be given for the strand of M. mobular but ghostfishing and important maritime traffic stay the most plausible cause of this incident.
    Keywords: Ecology ; Environment ; Fisheries ; Myliobatidae ; Morphometric measurements ; Western Mediterranean ; Oran Bay ; Algeria
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    National Oceanic and Atmospheric Administration, National Ocean Service | Washington, DC
    In:  http://aquaticcommons.org/id/eprint/26699 | 9717 | 2019-08-20 16:13:33 | 26699 | United States National Ocean Service
    Publication Date: 2021-07-24
    Keywords: Environment ; Oceanography ; Benthic Impact Experiment (BIE)
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/25964 | 25 | 2018-10-11 10:39:28 | 25964 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: In June this year, the city of St. John’s in Newfoundland and Labrador, Canada, played host to the largest gathering of fishing, aquaculture and seafood-processing safety and health professionals: the Fifth International Fishing Industry Safety and Health Conference (IFISH 5), the only conference dedicated to improving safety and health in the fishing industry. Held from 10 to 13 June 2018 in the picturesque campus of St. John’s Memorial University, and blessed – contrary to gloomy weather forecasts – by a few days of unexpected sunshine between rainy ones, IFISH 5 explored the latest research on occupational safety and health; discussed current fisheries policy and regulations; and showcased best practices for keeping workers safe and healthy.
    Keywords: Environment ; Fisheries ; ICSF ; Samudra Report ; IFISH5 ; occupational safety ; occupational health ; fishing industry ; safety at sea ; fish processing units ; seafood processing ; working conditions
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/25963 | 25 | 2018-10-11 10:41:56 | 25963 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: On 29 November 2017, a deep depression, detected in the Indian Ocean southwest of Sri Lanka, rapidly intensified into a cyclonic storm off the coast of Tamil Nadu and Kerala and the Union Territory of Lakshadweep Islands in India. Cyclone Ockhi, as it was named, took the life of over 350 people – nearly all fishers from the southern states of Tamil Nadu and Kerala – injured many others and damaged fishing vessels and gear. Unlike previous cyclones, Ockhi’s impact was felt almost entirely at sea.
    Keywords: Environment ; Fisheries ; Oceanography ; ICSF ; Samudra Report ; cyclone Ockhi ; India ; Kerala ; Tamil Nadu ; coastal communities ; natural disasters ; communication technology ; FAO ; safety at sea ; SSF guidelines ; small-scale fisheries
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    In:  http://aquaticcommons.org/id/eprint/25973 | 18721 | 2018-10-19 16:53:07 | 25973 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-07-24
    Description: One of the important goals in the aquaculture industry is to increase fish production with the least stress from ammonia secretion. Yucca plant (Yucca schidigera) was composed of steroidal saponins, polysaccharides, and polyphenols, which have increase the intestinal flora activity to improving the digestive process, also great absorption capacity for harmful volatile compounds, such as ammonia and hydrogen sulfide. Therefore, the aim of this study was to evaluate the effects of different Yucca schidigera extract levels on the Cyprinus carpio growth, feed performance, body composition and culture water quality for 60 days. Experimental treatments were designed which include: T1 (control without extracts), T2, T3 and T4 treatments (containing 0.5, 1 and 1.5% Yucca extract respectively). In a completely randomized design, 360 Common carp fish with weight of 2.40±0.04 g and length of 5.47±0.05 cm were reared in twelve 40-L plastic tanks. Different levels of extract were sprayed on commercial food and consumed at 4 times daily. There was significantly higher final body weights in T4 (p〈0.05) compared with control (T1) and other experimental treatments (T2 and T3). Similarly, significantly better (p〈0.05) feed conversion ratio (FCR), 2.01±0.37 and protein efficiency ratio (PER), 0.17±0.01 was noticed in T4 compared to control (FCR 2.71±0.31 and PER 0.14±0.01). The biochemical composition of carcass had a significant difference between treatments (p〈0.05). The body chemical composition analysis showed that the low levels of crude protein and the high levels of crude lipids in T4 treatment were 62.87±2.63% and 26.29±1.55%, respectively. The physical and chemical parameters were within the recommended range for C.carpio. The experiment treatments had the lowest amount of ammonia and the highest amount of nitrate compared to the control treatment in culture water. The results of this experiment showed that the use of Yucca extract can improve the growth, feed performance, body composition and the water quality of the common carp culture system.
    Keywords: Aquaculture ; Environment ; Iran ; Cyprinus carpio ; Yucca schidigera extract ; Growth Parameters ; Carcass composition ; Water quality ; Feed ; Body composition ; Common Carp
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    In:  btlotfi1977@gmail.com | http://aquaticcommons.org/id/eprint/26436 | 18156 | 2019-04-24 15:46:54 | 26436
    Publication Date: 2021-07-24
    Keywords: Conservation ; Ecology ; Environment
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    In:  pjms_ku@yahoo.com | http://aquaticcommons.org/id/eprint/26527 | 25017 | 2019-05-26 08:10:29 | 26527 | University of Karachi. Marine Reference Collection and Resource Centre
    Publication Date: 2021-07-24
    Description: Coastal areas of Karachi and Thatta districts including Sandspit, Cape Monze, Gidyani, Korangi Creek, Pitti Creek, Rohri Creek, Shah Bunder, Sando Bunder and Ketti Bunder were surveyed. The coastal areas of Thatta (Shah Bunder, Sando Bunder and Ketti Bunder) are richly populated.
    Keywords: Ecology ; Environment ; Avifauna ; population ; wildlife ; Sindh.
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    Editorial Academia | La Habana, Cuba
    In:  http://aquaticcommons.org/id/eprint/26439 | 111 | 2019-05-07 17:26:51 | 26439
    Publication Date: 2021-07-24
    Description: From preface: "Realizado ... por un colectivo de autores del Instituto de Oceanología de la Academia de Ciencias [de Cuba]." Fifteen tables inserted.
    Keywords: Biology ; Ecology ; Environment ; Caribbean Sea ; Gulf of Batabanó ; Cuba Batabano ; Golfe de ; Biotic communities ; Benthos ; Bentos ; Macrolaguna
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    In:  pjms_ku@yahoo.com | http://aquaticcommons.org/id/eprint/26517 | 25017 | 2019-05-19 13:01:07 | 26517 | University of Karachi. Marine Reference Collection and Resource Centre
    Publication Date: 2021-07-24
    Description: Miani Hor, a Ramsar site, is an important coastal wetland along Arabian Sea. This is the only area on Pakistan coast where three species of mangroves grow naturally. This paper presents the observations on avian fauna recorded from the area during October 1997 to June 2002. The paper reports the occurrence of 70 species of birds belonging to 10 Orders and 27 Families from the area. Out of which 37 species are migratory. The preferred habitat of various species and their status has also been given.
    Description: Higher Education Commission of Pakistan
    Keywords: Conservation ; Environment ; Avifauna ; Balochistan ; Conservation ; Ecoregion ; Ramsar site.
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    National Oceanic and Atmospheric Administration, National Ocean Service | Washington, DC
    In:  http://aquaticcommons.org/id/eprint/26698 | 9717 | 2019-08-20 16:19:31 | 26698 | United States National Ocean Service
    Publication Date: 2021-07-24
    Keywords: Environment ; Oceanography ; Benthic Impact Experiment (BIE)
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    NISCAIR-CSIR, India
    In:  btlotfi1977@gmail.com | http://aquaticcommons.org/id/eprint/26639 | 18156 | 2019-07-20 07:42:33 | 26639
    Publication Date: 2021-07-24
    Description: Caulerpa racemosa var. cylindracea (hereafter Caulerpa cylindracea) was first reported in the Mediterranean Sea in1926 1 in Tunisian waters and then in Tripoli harbor in Libya, in 1990. In late 90s it invaded the southern shore of Europe. InAlgeria, this invasive species was reported for the first time in 20072, five years after it appeared about 450 km from the firstsite in the eastern part of the Oranian littoral. This situation required widespread monitoring of this invasive species all along124 km of the coastline. More than 10 stations were patrolled and monitored since then, studied by scuba diving between thesurface and 30 m depth.The observations devoted to the distribution of Caulerpa cylindracea in Oran showed that specimens presented the sameappearance with irregularly entangled branched stolons attached to the substrate by colorless rhizoids from which the nameof the variety cylindracea was derived. Chronologically, the invasion direction seems to move from the bottom to the surfacewith an orientation from east to west, in the Oranian coastline. In situ observations confirmed high propagation speed ofCaulerpe in the Oranian coastline where invasions were signaled in several stations. The seaweed was observed for the firsttime in late 2011 and early 2012 (pers.obs) in Arzew Gulf (Cap Carbon) at the extreme east of the littoral, where the firstfronds were noticed. Then it extended geographically to the center of the coastline, in Kristel, early 2013. In 2014, it wasobserved in Ain Turc and Cap Falcon. In 2015, it was observed in the western shoreline near Bousfer beach and in 2016 itreached the “Plane” island (Paloma).This alien species was encountered at depths ranging from a few centimeters in microcuvettes up to 37 m, on varioussubstrates (hard, sandy, muddy) between marine phanerogams rhizomes and, also between the lower mid-littoral and infralittoralssuperior algae, with Posidonia oceanica herbarium. The study suggested a strong need for scientific monitoring andmanagement program, using optimized methodslike biological control or manual eradication for controlling the invasion.
    Keywords: Conservation ; Ecology ; Environment
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    Florida Fish and Wildlife Conservation Commission, Fish and Wildlife Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/26941 | 9413 | 2019-11-27 23:48:35 | 26941 | Florida Fish and Wildlife Conservation Commission
    Publication Date: 2021-07-24
    Description: Florida is one of the world’s leading producers of phosphate. The mining and processing of phosphate produce a large volume of nutrient-rich, highly acidic process water that must either be stored or be treated and then discharged into the environment. Environmental effects of the regulated discharge of treated phosphate-production process water have not been well studied; however, eutrophication has been shown to negatively affect estuarine systems. We characterized the nekton community in Bishop Harbor during the discharge of treated process water (November 2003–October 2004) and compared these data with data collected during a nondischarge period (January 1993–December 1993) to identify possible effects of the discharged water on nekton communities. Overall fish community structure and species composition during the nondischarge and discharge time periods did not markedly differ. Several taxa exhibited subtle shifts in spatial distribution in Bishop Harbor; these shifts may be partially attributable to altered salinity from the combined effects of wastewater discharge and enhanced precipitation during the active 2004 hurricane season. Although we did not discern any effects of the discharge of treated process water on nekton communities, regulated discharges might have contributed to a large macroalgal bloom, which was harvested to reduce the possibility of decomposition-related hypoxia. Such an approach was practical only because Bishop Harbor is relatively small (~ 200 ha), and would not have been cost-effective for a larger system. Given the importance of Florida’s phosphate industry, it is critical that better alternatives to the treatment and disposal of process water be developed.
    Keywords: Environment ; Pollution ; estuarine nekton ; nekton ; phosphate ; phosphate-production ; Bishop Harbor ; Florida
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    Florida Fish and Wildlife Conservation Commission, Fish and Wildlife Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/26943 | 9413 | 2019-11-28 00:20:27 | 26943 | Florida Fish and Wildlife Conservation Commission
    Publication Date: 2021-07-24
    Description: This is the second edition of the Seagrass Integrated Mapping and Monitoring (SIMM) report, providing mapping and monitoring information for seagrasses throughout Florida’s coastal waters. Each regional chapter has been updated, and we have added information on management programs and water quality and clarity. For most regions, seagrass maps nowshow data gathered between 2010 and 2014. Exceptions include the Big Bend, Cedar Keys, Waccasassa Bay, the Charlotte Harbor region, Estero Bay, the Ten Thousand Islands, and Biscayne Bay; however, imagery was acquired in 2014 or 2015 with photo-interpretation underway for these remaining regions except Cedar Keys, Waccasassa Bay, and Biscayne Bay.The primary indicators derived from mapping projects are seagrass areal coverage and habitat texture (i.e., continuous or patchy). Secondary indicators of seagrass condition and health determined by mapping projects are estimates of gains and losses in cover and changes in texture determined from analyses of two most recent sets of imagery having the same spatial extent. Where successive imagery data sets are available, we have updated changes in seagrass acreage.
    Description: Version 2 of TR-17
    Keywords: Conservation ; Environment ; seagrass ; seagrass abundance ; seagrass mapping ; seagrass monitoring ; water quality ; Florida
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    NOAA National Marine Fisheries Service, Southeast Region | West Palm Beach, FL
    In:  http://aquaticcommons.org/id/eprint/26944 | 9717 | 2020-08-23 23:50:20 | 26944 | United States National Marine Fisheries Service
    Publication Date: 2021-07-24
    Description: A variety of construction activities occur in or near estuarine and coastal waters of Florida within habitats that may support seagrass. Resource managers have a need for a science-based seagrass survey window for Florida to ensure that habitats are adequately mapped and characterized prior to authorizing the destruction or modification of the habitat. The development of a survey window requires a balance between physical factors that maximize the ability to detect seagrass during sampling (essentially water clarity) and the time of year that supports peak biomass and distribution. Of the seven seagrass species found in Florida, two species exhibit greater seasonality: Halophila decipiens and Halodule wrightii. Several publications were synthesized that refer to the seasonality of seagrass. Based on this review and consultation with leading seagrass scientists, surveys for these seagrass species should occur June 1 through September 30. Results from surveys conducted outside this window will require careful evaluation given the likelihood that seagrass distribution or extent is underrepresented. This recommendation differs from but is not in conflict with recommendations from NMFS Protected Resources Division for Johnson's seagrass, Halophila johnsonni, which exhibits a life history that makes year-round sampling less problematic than it is for Halophila decipiens and Halodule wrightii. Because Halophila decipiens and Halodule wrightii are within the range of Halophila johnsonii, conducting surveys within the June 1 to September 30 window could eliminate the need for multiple surveys.
    Keywords: Ecology ; Environment
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    In:  http://aquaticcommons.org/id/eprint/26942 | 18131 | 2020-03-05 02:22:12 | 26942
    Publication Date: 2021-07-24
    Description: We report first observations of three coral diseases including black band disease on Acropora, a syndrome resembling yellow band disease and red band disease on Porites colonies from depth 5–6 m at Abu-Musa Island after widespread coral bleaching in the northern part of the Persian Gulf in October 2012.
    Keywords: Biology ; Conservation ; Ecology ; Environment ; Corals ; Diseases ; Persian Gulf
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    North Pacific Marine Science Organization (PICES) | Sidney, British Columbia
    In:  http://aquaticcommons.org/id/eprint/26958 | 42 | 2020-01-27 18:23:14 | 26958 | North Pacific Marine Science Organization (PICES)
    Publication Date: 2021-07-24
    Keywords: Atmospheric Sciences ; Chemistry ; Earth Sciences ; Environment ; Oceanography
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    Florida Fish and Wildlife Conservation Commission, Fish and Wildlife Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/26948 | 9413 | 2019-12-28 20:24:05 | 26948 | Florida Fish and Wildlife Conservation Commission
    Publication Date: 2021-07-24
    Description: Mangrove swamps and salt marshes provide valuable ecological services to coastal ecosystems in Florida. Coastal wetlands are an important nursery for many ecologically and commercially important fish and invertebrates. The vegetation stabilizes shorelines, protecting the coast from wave energy, storm surge, and erosion. Coastal wetlands are also able to filter surface water runoff, removing excess nutrients and many pollutants. Peat deposits sequester large amounts of carbon, making coastal wetlands a key sink in global carbon cycles.Mangroves and salt marshes, however, are vulnerable to both direct and indirect threats from human development. Current threats include continued habitat loss, hydrologic alteration of surface and groundwater, sea-level rise, and invasive vegetation. ... Coastal wetland monitoring programs are often short-lived and vary widely in methodology. Monitoring most commonly occurs on protected public lands or at wetland mitigation or restoration sites. These monitoring projects are rarely long-term due to a lack of funding; restoration sites are generally monitored for only a few years. Although long-term funding is difficult to secure, monitoring over long time scales is increasingly important due to regional uncertainties as to how coastal wetland vegetation and substrate accretion will respond to sea-level rise, altered freshwater hydrology, and other disturbances. While periodic land cover mapping programs can capture large-scale changes in habitat extent, smaller-scale species shifts among mangrove and salt marsh vegetation are best captured by on-the-ground monitoring.The chapters in this report summarize recent mapping and monitoring programs in each region of Florida. Content of each chapter includes a general introduction to the region, location-specific threats to salt marshes and mangroves, a summary of selected mapping and monitoring programs, and recommendations for protection, management, and monitoring. Land cover maps in this report generally use data from the most recent water management district land use/land cover (LULC) maps.
    Description: Coastal Habitat Integrated Mapping and Monitoring Program (CHIMMP)
    Keywords: Conservation ; Environment ; Management ; Coastal Habitat Integrated Mapping and Monitoring Program ; CHIMMP ; Coastal Wetlands Group ; coastal wetlands ; salt marsh ; mangrove ; mapping ; monitoring ; management
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    North Pacific Marine Science Organization (PICES) | Sidney, British Columbia
    In:  http://aquaticcommons.org/id/eprint/26959 | 42 | 2020-01-27 18:28:45 | 26959 | North Pacific Marine Science Organization (PICES)
    Publication Date: 2021-07-24
    Keywords: Environment ; Oceanography ; Pollution
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    North Pacific Marine Science Organization (PICES) | Sidney, British Columbia
    In:  http://aquaticcommons.org/id/eprint/26963 | 42 | 2020-01-28 18:10:05 | 26963 | North Pacific Marine Science Organization (PICES)
    Publication Date: 2021-07-24
    Description: 2019 Inter-sessional Science Board Meeting. 2019 Pacific Ecology and Evolution Conference. Highlights from the FUTURE SSC’s 5th Inter-sessional Meeting. Working together at the 4th GOA-ON International Workshop. Scientific dialogue between the ocean and the atmosphere. SOLAS Early-Career Scientist Day. FishGIS: Incorporating community-based research principles. Future Oceans2 IMBeR Open Science Conference. First global planning meeting for the United Nations Decade of Ocean Science for Sustainable Development. In memoriam: Dr. Olga Nikolaevna Lukyanova. Topic sessions and workshops at PICES-2019. Upcoming Shellfish – Resources and Invaders of the North symposium. The Northeast Pacific: Current status and recent trends. The Bering Sea: Current status and recent trends. The western North Pacific during the 2018/2019 cold season.
    Keywords: Biology ; Chemistry ; Ecology ; Environment ; Oceanography
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    North Pacific Marine Science Organization (PICES) | Sidney, British Columbia
    In:  http://aquaticcommons.org/id/eprint/26964 | 42 | 2020-01-28 18:17:52 | 26964 | North Pacific Marine Science Organization (PICES)
    Publication Date: 2021-07-24
    Description: PICES science in 2019: Notes from the Science Board Chair. 2019 PICES awards. Working Group 37 organizes Phase 2 of a Practical Workshop. Communicating science. Integrating biological research, fisheries science and management of Pacific halibut and other widely distributed fish species across the North Pacific. Two decades of the North Pacific CPR program. PICES calendar of events for 2020. PICES/ICES collaborative research initiative. PICES/NPFC collaborative research. The 2019 International Gulf of Alaska Expedition. GlobalHAB: Evaluating, reducing and mitigating the cost of Harmful Algal Blooms. PICES on the cloud. New leadership in PICES. PICES Interns. PICES Special Project: Sea turtle ecology in relation to environmental stressors in North Pacific regions. Regional Consultative and Planning Workshop towards the UN Decade of Ocean Science for Sustainable Development. Towards an integrated approach to understanding ecosystem predictability in the North Pacific. Shellfish –Resources and invaders of the North. Highlights of the 2019 FAO International Symposium on Fisheries Sustainability. The Bering Sea: Current status and recent trends. Copepod responses to, and recovery from, the recent marine heatwave in the Northeast Pacific . The western North Pacific during the 2019 warm season. Northeast Pacific juvenile salmon summer surveys in 2019.
    Keywords: Biology ; Chemistry ; Ecology ; Environment ; Oceanography
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    North Pacific Marine Science Organization (PICES) | Sidney, British Columbia
    In:  http://aquaticcommons.org/id/eprint/26956 | 42 | 2020-01-27 18:15:09 | 26956 | North Pacific Marine Science Organization (PICES)
    Publication Date: 2021-07-24
    Keywords: Atmospheric Sciences ; Chemistry ; Ecology ; Environment ; Oceanography
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    North Pacific Marine Science Organization (PICES) | Sidney, British Columbia
    In:  http://aquaticcommons.org/id/eprint/26960 | 42 | 2020-01-28 18:10:56 | 26960 | North Pacific Marine Science Organization (PICES)
    Publication Date: 2021-07-24
    Description: PICES science in 2017: A note from the Science Board Chair. 2017 PICES awards. Capacity building: PICES scientists reach out to the next generation of oceanographers in Vladivostok. A MONITOR/TCODE Workshop on “The role of the northern Bering Sea in modulating the Arctic II”. New leadership in PICES. PICES Interns. An unusual gelatinous plankton event in the NE Pacific: The Great Pyrosome Bloom of 2017. Building international partnerships to enhance science-based ecosystem approaches. The Bering Sea: Current status and recent trends. The state of the western North Pacific during the 2017 warm season. Ocean acidification and carbon dioxide uptake in the global ocean. In remembrance of Dr. William T. Peterson. Call for Papers - William Peterson Commemorative Issue. Global Ocean Observing System – Biology and Ecosystems Panel report. OceanObs’19 call for Community White Paper abstracts. Calendar of events.
    Keywords: Biology ; Chemistry ; Environment ; Fisheries ; Oceanography
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    In:  http://aquaticcommons.org/id/eprint/26975 | 25026 | 2020-03-05 00:55:44 | 26975 | National Fisheries Research and Development Institute, Philippines
    Publication Date: 2021-07-24
    Description: Manila Bay faces serious problems today such as pollution, coastal area reclamation and infrastructure, overfishing, and other activities that worsen the present condition of the bay. It is considered as one of the major fishing grounds in the Philippines. Fish eggs and larvae collection was carried out to determine their distribution, abundance, and composition in the bay. Eight established sampling stations were placed throughout the bay with an average distance of 5-6 nautical miles apart and sampled every other month on a monsoonal basis. Bongo net (360 microns mesh size, 1.5 meters in length, and a diameter of 50-centimeter mouth opening) with attached calibrated flowmeter was used in collecting fish larvae. Physical (salinity, temperature,), chemical (nitrite, nitrate, phosphate, silicate, dissolved oxygen), and biological (phytoplankton, zooplankton) parameters were also carefully studied to be able to explain such uncommon event within the bay. In spite of the current status and worsening condition of water quality of the bay, high abundances of fish eggs and larvae were consistently observed during the northeast monsoon surveys (March) from 2012 to 2015. A total of 3,008 individuals were identified belonging to 34 fish families. The highest fish egg density was observed during March 2013 with 1,550 ind./100m3, followed by March 2012 and 2015 with 1,484 ind./100m3 and 1,182 ind./100m3, respectively. An abundance of fish larvae was observed during March 2015 with 414 ind./100m3, followed by March 2012 (329 ind./100m3), and March 2014 (311 ind./100m3). The lowest density observed was in September 2012 with a density of 132 ind/100m3 fish eggs and 46 ind/100m3 fish larvae. The results were consistent that most fish eggs aggregate in the middle part of the bay especially in Stations 4 and 2 from 2012-2015. For fish larvae, they were consistently found in the eastern part of the bay (stations 6, 8, and 7) throughout the duration of the study, it was also the areas where high concentrations of phytoplankton, zooplankton, and nutrients were observed. A high abundance of fish eggs and fish larvae was observed during northeast monsoon than southwest monsoon. In addition, fish larvae family was dominated by small pelagic fish such as sardines, slipmouths, and mullets. The most dominant fish families found were Clupeidae, followed Leiognathidae, and Nemipteridae. Sillaginidae and Mugilidae were also included in the top five abundant families that occur during every sampling period were.
    Keywords: Ecology ; Environment ; Fisheries ; Oceanography ; Ichthyoplankton ; Manila Bay
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    In:  http://aquaticcommons.org/id/eprint/26978 | 25026 | 2020-03-05 01:05:37 | 26978 | National Fisheries Research and Development Institute, Philippines
    Publication Date: 2021-07-24
    Description: The physical parameters of seawater are important determinants of water quality. Heavy metals are components that are naturally present in a considerable amount in the ocean but are observed to be rising above the allowable level due to pollution outputs of industrialization. Heavy metal contamination is among the environmental pollution problems that the world faces. Additionally, hydrogen sulfide (H2S) is also a toxic compound that accumulates in the ocean floor posing threat to the marine organisms when present in high concentrations. The objective of this study is to document the distribution of temperature and salinity in the water column, heavy metals (Pb, Cd, Hg) and sediment H2S in Manila Bay from 2012 to 2015. Stratification in the bay was generally a factor of salinity and less of temperature. Stratification due to salinity was consistently observed in September with the halocline occurring around 10 m to 15 m. Most of the time, the bay had evenly distributed temperatures, but the slightly higher temperatures were usually recorded near the coast. Inverse trends were observed for the salinity and temperature of the bay. Pb, Cd, and Hg concentrations in the bay occasionally exceeded the permissible limits especially the lead concentration in January 2013 (ave: 809.81 µg/L), March 2013 (ave: 1102.88 µg/L) and November 2015 (1507.50 µg/L). Cd and Hg concentrations were generally below the permissible limit and the reported limit of analysis. H2S concentration ranged from 〈 4 mg/kg to 9.99 mg/kg for all the survey months. Distribution was higher in the northwestern part and southeastern areas of the bay.
    Keywords: Chemistry ; Ecology ; Environment ; Fisheries ; Manila bay ; salinity ; temperature ; heavy metal ; hydrogen sulfide
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    In:  http://aquaticcommons.org/id/eprint/26986 | 25026 | 2020-03-05 01:38:51 | 26986 | National Fisheries Research and Development Institute, Philippines
    Publication Date: 2021-07-24
    Description: The coliform group of bacteria is widely used as an indicator of pollution related to the presence of pathogenic bacteria linked to fecal contamination, which poses great health risk. This study aimed to establish baseline information on the coliform contamination in water and fishery resources in Manila Bay aquaculture farms. Water samples and major aquaculture commodities were collected twice per season from representative aquafarms in the coastal provinces of the bay and were analyzed for total coliform (TC), fecal coliform (FC), and E. coli (EC) using the Multiple Tube Fermentation method of the Bacteriological Analytical Manual. TC, FC, and EC in water were found higher during the wet season, their average concentrations being 8,747, 2,808, and 1, 216 MPN/100mL, respectively; while those in the dry being 6,255, 1,223, and 286 MPN/100mL, respectively. More samples exceeded the DENR Standard Limit for TC (5,000 MPN/100mL) in the wet season than in the dry season (roughly 25% vs 10%). Farmed fishery resources, on the other hand, had higher EC concentrations during the dry season. The following are the percentages of samples that exceeded DENR Standards: 25% of mussels, 24.44% of shrimps, 16% of tilapia, 14.67% of oysters, 8.89% of crabs, and 6.67% of milkfish.
    Keywords: Biology ; Environment ; Fisheries ; Health ; Management ; Pollution ; Manila Bay ; Farmed Fishery Resources ; Coliforms ; Aquaculture Farms
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    In:  http://aquaticcommons.org/id/eprint/26979 | 25026 | 2020-03-04 06:12:52 | 26979 | National Fisheries Research and Development Institute, Philippines
    Publication Date: 2021-07-24
    Description: To understand Manila Bay’s current condition, physicochemical parameters were correlated with net phytoplankton composition from 2012 to 2015. Nitrate concentrations reached 24.18 µM, which is above the critical value (5 µM) recommended by the Philippine Department of Environment and Natural Resources and ASEAN. Hypoxia has been observed with dissolved oxygen levels as low as 1.47 mg L-1. Phytoplankton composition varies but dominated by Chaetoceros curvisetus, Skeletonema costatum, Thalassiosira sp., and Thalassionema nitzchiodes. Phytoplankton densities also vary between seasons but mostly concentrated in stations near the tributaries and urban areas. Trends in both phytoplankton and physicochemical properties suggest that the ecosystem of the bay is highly dependent on rainfall. Shannon-Wiener diversity index does not go higher than 2.46 and based on monthly averages, the bay can be categorized as moderately heavy to heavy polluted. A watershed system approach is urgently needed since found heavy eutrophication generally occurs in estuaries near urban and industrial areas.
    Keywords: Ecology ; Environment ; Fisheries ; eutrophication ; Manila Bay ; hypoxia ; watershed ; nutrients
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    In:  http://aquaticcommons.org/id/eprint/26981 | 25026 | 2020-03-05 01:09:49 | 26981 | National Fisheries Research and Development Institute, Philippines
    Publication Date: 2021-07-24
    Description: Manila Bay is a major source of livelihood for the fishermen living around the area. The occurrence of hypoxia, a state where dissolved oxygen (DO) is not enough to support marine life, poses a serious threat to the bay and consequently to its fisheries sector. This study documents the variation of hypoxia throughout the bay for a sampling period of four years, from January 2012 to November 2015, with a monthly interval each survey. A total of 24 field surveys on 16 designated sampling stations, at varying depths, were conducted. Results show that hypoxia was present all year round but was more severe during the wet season (July, September, November) compared to the dry season. The averages of bay-wide DO concentration ranged from 3.42 to 7.63mg/l during the 4-year survey. Low DO concentrations were associated with high concentrations of nutrients, particularly nitrate. Nitrate spiked to a 44.6 µM concentration while bay-wide DO concentration dropped to as low as 0.01 mg/l in the wet season. An occurrence of hypoxia along the coasts, transitioning from western, northern and eastern areas, was observed as a common trend for all surveys. However, DO concentrations in areas near the coast, in depths around 5m to 15m, and in the deeper areas near the mouth of the bay, from around 10m to 35m depths were noted to be lower. In conclusion, hypoxia has been occurring year-round in Manila Bay with varying intensity but more prominent during the wet season.
    Keywords: Ecology ; Environment ; Fisheries ; Oceanography ; Manila bay ; hypoxia ; eutrophication ; dissolved oxygen
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    In:  http://aquaticcommons.org/id/eprint/26993 | 25026 | 2020-03-05 02:10:08 | 26993 | National Fisheries Research and Development Institute, Philippines
    Publication Date: 2021-07-24
    Description: A pre-column derivatization-ultra high performance liquid chromatographic (UHPLC) method is described for the determination of histamine in fish and fishery products. The homogenized samples were extracted with trichloroacetic acid (TCA) solution and derivatized with o-phthaldialdehyde. Histamine was separated using reversed-phase column and determined using UHPLC with fluorescence detection. The linear calibration range was 10 to 60 µg/mL with a correlation coefficient of 0.9993. Good recoveries were observed for the histamine under investigation at all spiking levels, and average recoveries were higher than 89% with a precision smaller than 8.46%. The detection and quantification limit were 2.7 and 8.3 µg/g, respectively. The uncertainty was estimated to be ± 0.45. The performance of the proposed method was checked with a proficiency test sample from the Food Analysis Performance Assessment Scheme (FAPAS) as external quality control; the resulting z-score was -0.2, which was found within acceptable range of -2 ≤ z ≤ 2. The results indicated that this HPLC method was reliable, sensitive, reproducible, and practical for the routine analysis of histamine in fish and fishery products.
    Keywords: Chemistry ; Environment ; Fisheries ; histamine ; liquid chromatography ; method validation ; proficiency test
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    Bachand & Associates | Davis, CA
    In:  http://aquaticcommons.org/id/eprint/27006 | 393 | 2020-03-11 16:00:46 | 27006 | Bachand & Associates
    Publication Date: 2021-07-24
    Description: This paper discusses groundwater sustainability in California’s Sierra Valley based upon review of various hydrologic and geologic data sets and publications and presents our findings in the context of the 2014 Sustainable Groundwater Management Act (SGMA). The discussion related to SGMA is based upon our current understanding of the legislation. As this legislation is implemented, its interpretation may evolve. The paper provides potential next steps and mitigation strategies as Sierra Valley works to move toward sustainable groundwater management.
    Description: Feather River Land Trust
    Keywords: Agriculture ; Conservation ; Earth Sciences ; Environment ; Management ; Planning ; Policies ; Sierra Valley ; groundwater ; SGMA ; sustainable ; groundwater management
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    Type: monograph
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    In:  http://aquaticcommons.org/id/eprint/26994 | 25026 | 2020-03-05 02:13:10 | 26994 | National Fisheries Research and Development Institute, Philippines
    Publication Date: 2021-07-24
    Description: A first-ever effort to rank commercially-important mollusk species of Panay Island was conducted based on an extensive survey between March and April 2018. Ranking was based on the following criteria, namely: commercial value (40%), catch rates (20%), sources of threats (type of gear, processing plants, and number of fishers) (20%), frequency in the markets and source sites (10%), and literature available (10%), modified to a certain extent. A total of 90 mollusk species categorized into bivalves (49), gastropods (32), and cephalopods (9) were ranked. The comb pen shell Atrina pectinata (Pinnidae), Indian squid Uroteuthis duvaucelii (Loliginidae), and the scallop Mimachlamys sanguinea (formerly Chlamys senatoria) (Pectinidae) formed the top three species in the list strongly attributed to their high commercial value and thus catch rates. Squids, in general, are caught by trawls, whereas most of the other species are harvested primarily by gleaning and diving. The study highlights the high diversity of the malaco-fauna of Panay, as well as the multi-gear character of tropical fisheries. This ranked inventory can be used in prioritizing research on mollusks, by identifying target species for more in-depth studies useful for establishing their present status.
    Description: Department of Science and Technology (DOST)
    Keywords: Environment ; Fisheries ; Planning ; bivalves ; cephalopods ; gastropods ; mollusks ; Panay Island ; ranked inventory
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    Sustainable Conservation | San Francisco, CA
    In:  philip@bachandassociates.com | http://aquaticcommons.org/id/eprint/27009 | 393 | 2020-08-24 04:46:08 | 27009 | Bachand & Associates
    Publication Date: 2021-07-24
    Description: On-farm recharge (OFR) is a practice that uses surface water to alleviate demand on and replenish groundwater supplies. It can take on two forms: in lieu recharge and direct recharge. In lieu recharge utilizes surface water supplies instead of groundwater to irrigate crops. Direct recharge applies water beyond the needs of the crop and replenishes the groundwater supply. ...The present study examined OFR with grapes, walnuts, and pistachios at six sites in the San Joaquin Valley, plus one additional site from a previous study, also in the San Joaquin Valley. Each site was comprised of a recharge plot that received direct recharge paired with a control plot with the same crop and soil characteristics, but meant to receive in lieu recharge (via the flood system) or drip application with groundwater. At the end of the 2017 recharge demonstration, however, three control plots had also received direct recharge from water applications that exceeded the crop’s water demand. At another site, both control and test plots had only received in lieu recharge due to limited surface water amounts or the host growers’ more conservative volume of water application. ...The present study only covers one season of recharge. Long-term effects of recharge are not described by the present study and will require further monitoring. Further study is needed of the dynamics of soil oxygen during and after recharge events. Similarly, the fate of the water after it infiltrates past the root zone is not always known and the rate at which recharged water will reach an aquifer is seldom known for deep aquifers. A method to predict the fate of water quickly and broadly would be quite helpful in developing an on-farm recharge strategy. The present study does not look at the effects of recharge on soil biological processes, such as microbial respiration and plant oxygen demand. Further study of the recharge tolerance of specific species and rootstocks, as well as the impact on plant disease, is crucial.
    Description: Sustainable Conservation
    Description: On-Farm Recharge Studies, Central Valley, CA
    Keywords: Agriculture ; Engineering ; Environment ; Management ; Planning ; on-farm recharge ; floodmar ; groundwater ; management ; SGMA ; hydrology ; salinity ; oxygen
    Repository Name: AquaDocs
    Type: monograph
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    Sustainable Conservation | San Francisco, CA
    In:  http://aquaticcommons.org/id/eprint/27011 | 393 | 2020-08-24 04:46:32 | 27011 | Bachand & Associates
    Publication Date: 2021-07-24
    Description: Groundwater in much of California’s Central Valley (CV) has been critically over-drafted resulting in the implementation of the 2014 Sustainable Groundwater Management Act (SGMA). As Groundwater Sustainability Agencies (GSAs) work to comply with SGMA requirements and timelines, On-Farm Floodwater Capture and Recharge (OFFCR) is being studied to help increase recharge capacity. We implemented an OFFCR test on an organic almond orchard in the CV to assess achievable recharge rates attained through over-irrigation, and potential soil and water quality impacts. Irrigation water was applied via flood irrigation. We developed study sites and installed soil sensors for moisture and salinitymonitoring, took post-irrigation deep cores to assess changes in soil and porewater nitrogen and salt concentrations through the vadose zone, and monitored agronomic practices, recharge loading and crop yields.These studies were conducted on three recharge treatments with three replicated stations for each: 1) Control at about 6 inches of flooded water to meet ET as typical for irrigation (Control treatment), 2) Low Flooding of about 12 inches per irrigation application (Mid treatment), and 3) High Flooding of about 24 inches per irrigation application (High treatment).
    Description: Sustainable Conservation
    Description: Groundwater Recharge Project, 2016
    Description: On-Farm Recharge Studies, Central Valley, CA
    Keywords: Agriculture ; Engineering ; Environment ; Management ; Planning ; on-farm recharge ; floodmar ; groundwater ; management ; agriculture
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    Publication Date: 2021-07-24
    Description: This project has focused on better understanding the potential impact of On-Farm Flood Capture and Recharge (OFFCR) on groundwater quality pertaining to salts and nitrate and on assessing potential management opportunities. To achieve these goals, we used a combination of field and modeling studies. For the field study, soil cores were taken to a depth of 30 feet in replicate across fields with three different specialty crops identified as important to the San Joaquin Valley (tomatoes, almonds, vineyards) and with potential suitability for OFFCR. A prime goal of the field study was to provide data for parameterizing two models developed to assess nitrate, salt and water transport through the vadose zone, prior to percolating into the groundwater aquifer.However, the field study also resulted in key findings that show its value as a stand-alone study: 1) Nitrate concentrations are highest in the upper vadose zone and affected by texture. Those effects are not evident in the deeper vadose zone. 2) Vadose zone nitrate concentrations are affected by the crop grown. These results suggest an opportunity for lower legacy mass transport for grapes and higher legacy mass transport for both tomatoes and almonds.3) Variability in individual farmers’ past and present fertilizer and water management practices contributes to different legacy salt and nitrate loads in the vadose zone.Data from the field study and other related and concurrent OFFCR field efforts were used during model development. The overall modeling approach was designed to model nitrate and salt transport for lands under OFFCR operation for different crop types, vadose zone characteristics and groundwater characteristics. The defined goals of this design and modeling approach were to: 1) model nitrate and salt movement through the vadose zone and into groundwater; 2) test the model against scenarios that consider different recharge rates, cultural practices, soil types, and depths to groundwater, assessing the timing and magnitude of loading through the vadose zone and the effects on underlying groundwater; and 3) recommend management practices to mitigate potential groundwater impacts. To achieve these goals, two models were integrated to simulate nitrate and salt transport through the vadose zone to groundwater under different scenarios: a 1D Hydrus model and an analytical groundwater model (AGM).
    Description: USDA Specialty Crop Block Grants, CA. Grant Agreement SCB14028
    Description: Nitrate Leaching Risk from Specialty Crop Fields During On-Farm Managed Floodwater Recharge in the Kings Groundwater Basin [USDA Project No: PIN #26174]
    Description: Groundwater Recharge Project, 2016
    Description: On-Farm Recharge Studies, Central Valley, CA
    Keywords: Agriculture ; Chemistry ; Earth Sciences ; Engineering ; Environment ; Management ; Planning ; Pollution ; on-farm recharge ; floodmar ; groundwater ; management ; agriculture ; water quality ; vadose zone ; nitrate ; BMPs ; Kings Groundwater Basin
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    Bachand & Associates | Davis, CA
    In:  philip@bachandassociates.com | http://aquaticcommons.org/id/eprint/27004 | 393 | 2020-03-11 15:53:08 | 27004 | Bachand & Associates
    Publication Date: 2021-07-24
    Description: Sierra Valley, located in the northern Sierra Nevada, California, serves as the Middle Fork Feather River headwaters and provides surface water to Oroville Dam of the California State Water Project (SWP). Under California’s Sustainable Groundwater Management Act (SGMA), the Sierra Valley sub-basin has been designated a medium-priority basin, due to chronic groundwater declines and the valley’s high ecological value as the largest freshwater marsh and meadow system in the Sierra Nevada. The Sierra Valley Groundwater Management District (SVGMD) serves as the Groundwater Sustainability Agency (GSA) for the Sierra Valley sub-basin. As such, SVGMD is tasked through SMGA with achieving sustainable groundwater management over an approximate 20-y timeframe. The first step is the development of a Groundwater Sustainability Plan (GSP) (to be completed by January 2022) that 1) hydrologically assesses the basin, 2) identifies methods and protocols to track groundwater trends, and 3) develops an initial suite of actions to move the basin towards groundwater sustainability. ... Our investigation builds on previous watershed studies and further establishes the Sierra Valley watershed as a highly complex hydrologic system. These complexities include: large variation in precipitation phase and quantity throughout the watershed; geologic features that restrict both vertical and lateral groundwater flow; many water inflow pathways, both surface and sub-surface, that are logistically impossible to quantify by conventional monitoring means. Prior attempts at developing accurate water budgets and numerical models of the watershed have been hindered by the uncertainty these factors present. Thus, though a hydrologic budget is required by SGMA for the development of the GSP, numerical models will be of limited utility as either tools to derive hydrologic budgets or to help determine the efficacy management actions to achieve sustainable groundwater conditions. In developing strategies to address undesirable groundwater conditions, we recommend an adaptive management approach paired with targeted and defensible data collection with standardized data collection, management and quality control procedures.
    Description: Feather River Land Trust
    Keywords: Agriculture ; Conservation ; Earth Sciences ; Environment ; Management ; Planning ; Policies ; Sierra Valley ; groundwater ; SGMA ; sustainable ; groundwater management
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    In:  dlsuperio@seafdec.org.ph | http://aquaticcommons.org/id/eprint/27025 | 17342 | 2020-05-26 06:07:26 | 27025 | Southeast Asian Fisheries Development Center, Aquaculture Department
    Publication Date: 2021-07-24
    Description: Five of the seven species of pawikan (sea turtles) are found in the Philippine seas. These are Olive ridley turtle (Lepidochelys olivacea), Hawksbill turtle (Eretmochelys imbricata), Green sea (Chelonia mydas), Loggerhead turtle (Caretta caretta), and Leatherback turtle (Dermochelys coriacea). All of these are threatened species due to predation (animals and humans), climate change, harvesting of eggs, juveniles and adults, bycatch, and habitat degradation. Thus, to protect the species, several laws, policies, and programs have been passed and implemented by the Philippines government since 1979 (Marine Wild Fauna Watch of the Philippines (MWFWP), 2014). However, despite the efforts to protect the pawikan, reports about dead sea turtles due to various causes are becoming frequent than ever. Furthermore, public posts on Facebook about dead pawikan by private individuals are increasing. On the other hand, data on the mortality causes of sea turtles remain scarce as of the moment. Hence, to provide additional data, this study was conducted.
    Keywords: Conservation ; Ecology ; Environment ; Fisheries ; Information Management ; Pollution ; Citizen science ; Philippines ; sea turtles ; social media ; wildlife conservation
    Repository Name: AquaDocs
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    Kings River Conservation District | Fresno, CA
    In:  http://aquaticcommons.org/id/eprint/27021 | 393 | 2020-08-24 04:47:46 | 27021 | Bachand & Associates
    Publication Date: 2021-07-24
    Description: Approval of a Hydrologic and Hydraulic Analyses (H&H) by California Department of Water Resources (DWR) is a pre-requisite for projects being funded through DWR’s Flood Corridor Program. The H&H needs to show early in the project schedule in analysis acceptable to DWR that the project will produce the anticipated flood risk reduction benefits. A Benefit:Cost (B/C) ratio provides a metric for comparing benefits from a project in relation to DWR costs for the project. In our analysis, we calculated a B/C of 1.86 for Phase 1, the diversion of 150 cubic feet per second (cfs) from the Kings River onto the project during flood flow conditions between December and May, and of 1.98 for Phase 2/3, the diversion of 500 cfs from the Kings River onto the project during the same conditions. We provide background on the project and the area that will be affected by the project (the study area), summarize our methods, and present our findings.Two large hydrologic issues face the Kings Basin: severe and chronic overdraft of about 0.16M ac-ft annually, and flood risks along the Kings River and the downstream San Joaquin River. Since 1983, downstream communities along the Kings and San Joaquin Rivers have suffered over $1B in flood damages (2013$). To help mitigate these two issues, this project proposes diverting and capturing Kings River floodwater at the James Bypass onto agricultural lands adjacent to the Kings River for conjunctive use purposes (e.g. recharge, in lieu recharge, irrigation). This project is planned in three phases: Phase 1 (Ph1) will divert 150 cubic feet per second (cfs) onto agricultural fields from December through May and 100 cfs from June through September. Fifty-five hundred acres are planned for enrollment in Ph1 with 375 acres under flood easements; 1,125 acres managed under dual purpose of accepting flood flows and being managed for farming; and the remaining acreage receiving flood flows when available for in lieu recharge. Phases 2 and 3 (Ph 2/3) together will expand enrollment to 16,000 acres with expected equivalent ratios for flood easements, dual purpose and farming. Ph2/3 is planned to have a 500 cfs flood diversion and capture capacity. We assessed hydrologic and hydraulics conditions and economics for these planned phases following the scope of work defined in Task Order 1 between Kings River Conservation District (KRCD) and Tetra Tech.
    Description: California Department of Water Resources
    Description: Flood Protection Corridor Program (FPCP)
    Description: Report by Tetra Tech Research and Development Group and Tetra Tech Surface Water Group, prepared for Kings River Conservation District for submittal to California Department of Water Resources (DWR).
    Keywords: Agriculture ; Conservation ; Engineering ; Environment ; Management ; Planning ; on-farm recharge ; floodmar ; groundwater ; management ; agriculture ; water quality ; vadose zone ; nitrate ; BMPs ; Kings Groundwater Basin
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    Type: monograph
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    International Collective in Support of Fishworkers (ICSF) | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27027 | 25 | 2020-08-11 09:48:19 | 27027 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: Yemaya No. 59, dated June 2019, features articles from Fiji and India and an article on the 7th Global conference on gender in aquaculture and fisheries(GAF7), as well as an article on the recently-held roundtable in India on organising women by five groups engaged in organising women. The editorial comment calls for urgent need to look at levels of exclusion women are facing, despite the attention received at the international level. The article on Fiji shows the lack of sex disaggregated data available for any meaningful analysis. Nikita Gopal, in her article on GAF7, highlights the intersectionalities of power relations existing in the fisheries sector. The Roundtable highlighted the tremendous gains that women make when they collectively raise their voices in demand of their rights. The issue also celebrates the recent edition of Slow Fish held in Genoa, Italy. The Slow Fish Forum promotes small-scale fishing and responsible fish consumption and provides a unique space, particularly for women in the small-scale fisheries sector.
    Keywords: Aquaculture ; Conservation ; Environment ; Fisheries ; Management ; Sociology ; Yemaya ; India ; Women in fisheries ; ICSF ; small-scale fisheries ; GAF ; Fiji ; India ; fishing communities ; women ; gender ; WIF ; reports ; conferences
    Repository Name: AquaDocs
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27029 | 25 | 2020-08-11 09:44:39 | 27029 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: Subsistence fisheries are an important source of nutrition, culture and welfare for communities in the Western and Central Pacific region, and ought to be protected. No other part of the world has a small population dispersed over such a vast ocean area. In the Western and Central Pacific Ocean, 11 million people live in 14 independent countries and eight territories, spread over 28 million sq km of ocean space. Their total land area is less than 2 per cent of the combined ocean area. Subsistence, coastal, artisanal, semi-industrial and industrial fisheries coexist in the region, harvesting species ranging from sedentary molluscs to shared, highly migratory tuna stocks. The fishing areas range from lagoons, reefs, shoals, archipelagic, internal and territorial waters, to the exclusive economic zone (EEZ) and the high seas.
    Keywords: Conservation ; Environment ; Fisheries ; Management ; Sociology ; small scale fisheries ; Samudra Report ; ICSF ; Western and Central Pacific ; SSF guidelines ; coastal fisheries ; social protection ; gender ; human rights ; human rights ; UN
    Repository Name: AquaDocs
    Type: article
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    Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27028 | 25 | 2020-08-11 09:46:56 | 27028 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: Yemaya No. 60, dated April 2020, features articles from India, Costa Rica, Japan, European Union, and a special supplement, Turning Points: A decade of change for women in fisheries. The article from India details the impact of the Covid-19 pandemic on women fishworkers in Mumbai. The Costa Rican article shows how the women fishers, shrimp peelers and mollusc workers identify their priority areas for the recognition and formalization of work. The article from Japan looks at the challenge of excluding women from fishery cooperative associations. The article from Africa looks at the gradual transformation of the African Confederation of Artisanal Fishing Organization (CAOPA) from 2010 onwards. The article talks about how the organization made gender issues as a priority area in their advocacy work. The article on Southeast Asia narrates the story of how declining incomes and ageing villages mean that women are likely to be the mainstay of families and communities in the small-scale fisheries. The article on small-scale fisheries and the contribution of women highlights that part-time fishing and gleaning activities globally may contribute nearly 3 million tonnes of seafood, with a landed value of around US$5.6 bn. The article on AKTEA, The European Network of Women in Fisheries and Aquaculture, looks at what are the challenges and the way forward for the network.In her review of the recently published book, "Practical Guide for Gender Analysis in Small-scale Fisheries and Aquaculture in Southeast Asia", Susana Siar looks at how the book is designed to support the SSF Guidelines. The Yemaya Supplement, Turning Points: A decade of change for women in fisheries, focuses on a change that has happened over a decade: a truthful appreciation of women’s role in fisheries. Their involvement in the sector follows a similar arc the world over, despite wide differences in society, culture, politics and economics. This supplement is an effort to understand and identify the main factors affecting this over the decade -- the causes that have shaped their role, both positively and negatively. The Profile column looks at how a fishing village in India mourns the death of an Italian nurse, Lauretta Farina of Bergamo. The Milestones column features a recently published report of the WHO Global Health Workforce. The report calls for gender-transformative policies and measures to be put in place if global targets for better health and gender outcomes are to be followed.
    Keywords: Aquaculture ; Environment ; Fisheries ; Management ; Sociology ; ICSF ; Yemaya ; COVID-19 ; coronavirus ; fishery cooperatives ; impact fishing industry ; pandemic ; CAOPA ; AKTEA ; aquaculture ; Southeast Asia ; SSF guidelines ; climate change ; fish processing ; equality ; India ; Costa Rica ; Japan ; European Union ; supplement ; turning points: a decade of change for women in fisheries ; gender ; women ; fishing communities ; small-scale fisheries ; fisheries trade ; fisheries development
    Repository Name: AquaDocs
    Type: monograph
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    Format: application/pdf
    Format: 43
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27030 | 25 | 2020-08-11 09:41:37 | 27030 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: A Fisheries Forum in Cuba brought together stakeholders from coastal communities to examine opportunities and challenges to make fisheries more sustainable. Fishermen from across Cuba gathered for the first time in September 2018 at the Fisheries Forum called Encuentro Pesquero. For three days, 55 stakeholders, including 21 fishermen from 10 coastal communities, joined heads to diagnose the status of fish populations and priorities for their management across Cuba’s four fishing zones. They examined opportunities and challenges for sustainable fisheries and developed a shared vision for the future.
    Keywords: Environment ; Fisheries ; Limnology ; Policies ; Sociology ; small scale fisheries ; Samudra Report ; ICSF ; Cuba ; fishing communities ; coastal communities ; livelihood ; sustainable fisheries ; diverse ; conservation
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 4-7
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  • 93
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    United Nations Development Program/United States National Oceanic and Atmospheric Administration
    In:  http://aquaticcommons.org/id/eprint/27024 | 42 | 2020-04-21 17:10:03 | 27024
    Publication Date: 2021-07-24
    Keywords: Environment ; Pollution ; UNDP Oil Response Team ; NOAA
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 46
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27042 | 25 | 2020-08-11 09:10:18 | 27042 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: Reflections on the ‘Towards an Inclusive Blue Economy’ conference organized by the International Institute for Environment and Development in London in February 2019.Behind the trendy environmental terms ‘Blue Economy’ and ‘Blue Growth’ lies a view that the Earth’s oceans promise great untapped economic potential. The unutilized value of the oceans is estimated at US$24 trillion, including sectors like energy generation, maritime transport, tourism, capture fisheries and aquaculture. Such a Blue Economy is supposed to also cater to aspects of social and ecological sustainability. However, a Blue Economy will not become inclusive nor equitable by default. This was the starting point for the International Institute for Environment and Development (IIED) conference in London titled ‘Towards an Inclusive Blue Economy’, held on February 25-26, 2019.
    Keywords: Environment ; Fisheries ; Management ; Policies ; Sociology ; small scale fisheries ; Samudra Report ; ICSF ; fishing communities ; coastal communities ; livelihood ; fisheries and aquaculture ; blue economy ; conference
    Repository Name: AquaDocs
    Type: article
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    Format: application/pdf
    Format: 50-53
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  • 95
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27044 | 25 | 2020-08-11 09:04:29 | 27044 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: The hellish expansion of salmon farming in Chile’s Patagonia could threaten a hundred years of Chile-Norway relations. It is said that if there is such a thing as a salmon farming heaven, it is in Norway; whilst if there is a hell, it is in Chile. The South American country displays the worst labour standards globally for this industry. Between July 2013 and January 2019, it killed 31 of its workers. Its sanitary and environmental records are abysmal, with an abusive use of antibiotic and anti-parasite treatments, a mega-crisis of infectious salmon anaemia (ISA) virus, successive noxious and toxic algal blooms, massive dumping of dead fish into the sea and antifouling paints into lakes and rivers, along with the sinking of salmon well-boats, to name but a few of its problems.
    Keywords: Aquaculture ; Environment ; Fisheries ; Management ; Policies ; small scale fisheries ; Samudra Report ; ICSF ; fishing communities ; coastal communities ; livelihood ; fisheries and aquaculture ; Chile ; salmon ; Norway ; labour standards
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 56-58
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  • 96
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    Unknown
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27052 | 25 | 2020-08-07 08:37:12 | 27052 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: Oil spill disasters in the ocean often devastate marine and coastal ecosystems, profoundly affecting fisheries resources and fishing communities. Urgent and early-warning actions are needed to avoid a tragedy in biomes and communities when such accidents occur. In late-July 2019, Brazilian fishers alerted the first oil slick reaching the coast of Paraíba, weeks before the recognition of the biggest-ever oil spill disaster ever recorded in Brazil, extending across the entire North-eastern coast of the country. Their early voices were not properly heeded but those signals escalated into a gigantic spread of petroleum slicks. Almost 1,000 different localities were affected, including beaches, mangroves, rivers and “protected” areas. All the nine states of the region, encompassing a 2,300-km long shoreline, switched on a red light.
    Keywords: Conservation ; Environment ; Fisheries ; Oceanography ; Policies ; Pollution ; small scale fisheries ; Samudra Report ; ICSF ; fishing communities ; coastal communities ; livelihood ; fisheries and aquaculture ; Brazil ; environmental impact ; oil spill ; damage ; coastal ecosystems ; fisheries resources
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 14-15
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27057 | 25 | 2020-08-07 07:55:30 | 27057 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-24
    Description: The Darawa community in the Wakatobi National Park, Southeast Sulawesi, Indonesia, manages their octopus fishery by working tirelessly with community-based organizations. It was a beautiful and sunny Sunday. The Darawa village community in the Wakatobi National Park, in Indonesia’s Southeast Sulawesi, was preparing to celebrate. The occasion was the first opening of Fulua Nto’oge, the 50 ha fishing site off One Mbiha beach which had been closed for three months. White steam billowed from four large cooking pots, stacked neatly over the fires. There were intoxicating aromas of lapa-lapa (rice cakes wrapped in coconut leaves) and seafood stews made from the most recent catch of crabs, squid, clams and snappers.
    Keywords: Conservation ; Environment ; Fisheries ; Management ; Sociology ; small scale fisheries ; Samudra Report ; ICSF ; fishing communities ; coastal communities ; livelihood ; fisheries and aquaculture ; artisanal fisheries ; Darawa community ; Wakatobi National Park ; Southeast Sulawesi ; Indonesia ; community-based organizations
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 32-35
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  • 98
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    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/25286 | 25 | 2018-09-10 10:08:25 | 25286 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-16
    Description: Voluntary Guidelines for Securing Sustainable Small-scale Fisheries: Gender equity and equality produced by the Fisheries and Aquaculture Department, and the Social Policies and Rural Institutions Divisions of the Food and Agriculture Organization of the United Nations (FAO); 6.04 minutes; English
    Keywords: Environment ; Fisheries ; Yemaya ; ICSF ; video animation ; VGSSF ; FAO ; gender ; equality ; equity ; women in fisheries ; small scale fisheries ; capture fisheries ; fishworkers ; employment ; marketing fish ; fish vendors ; value chain ; fishing communities ; livelihoods
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 12
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  • 99
    Publication Date: 2021-07-16
    Description: In conformity with the sex determination of Gracilaria corticata in the Persian Gulf and Oman Sea, a total of 41 samples were collected from two stations of Bostaneh region (northern Persian Gulf, 54° 38´ E / 26° 30´ N) and Lipar regions (northern Oman Sea, 60° 49´ E / 25° 15´ N). The specimens were cultured in PES media for observing the different life stages. The anatomical structures of thallus were taken into consideration. The diploid tetrasporophytes and spermatangia in thallus of male’s gametophytes; and Carpospore and cystocarps of female were determined. Due to DNA extraction, the parasites and epiphytes were cleaned and then the under growing sections were sectioned using liquid nitrogen. After extraction of DNA, by using 20 different primers according to ISSR molecular indicator, the sex diversity and genetic diversity of populations were studied; and four primers were selected ultimately. The obtained results were analyzed by GenAlex and PopGen softwares. In total, 74 bands, all polymorphisms, were propagated. According to PIC index, polymorphism separation of primer C (0.33) was higher than other primers. The Marker Index was measured between 4.48 and 6.51 with mean Shannon’s index of 0.46. The genetic similarity amongst algae was 96%. The genetic diversity inter and intra populations had significant differences of which 83% of total diversity was related to the intra diversity and 17% was related to inter diversity populations. The highest genetic distance belonged to the specimens 5 (Bostaneh) and 35 (Lipar), and it indicated the inter populations diversity in addition to intra population. As an overall conclusion, these populations can be considered as broodstocks for hybrid production for further species breeding and also to attain the maximum heterosis in adaptation with environment. In Ward clustering analysis, the dendrograms showed 5 different clusters in genetic distance of 12.18 of isomorphic phases. The PCA analysis as a complementally method was used for attest the findings. In this research, the ISSR primers could determine the male and female gametophytes and diploid tetrasporophytes in which the primer A (bands of 1200 & 1700 bp) specific for diploid tetrasporophyte and band of 300 bp specific for male were produced. The primer C showed the bands of 820 & 900 bp for diploid tetrasporophyte, and 500 bp for female gametophyte. The primer AB (990 bp) for male, 520 bp for female and 1600 & 1900 bp for diploid tetrasporophyte were specified. The primer ABC showed the specific band of 1100 bp for male; 500 bp for female; and 1200 & 1500 bp for diploid tetrasporophytes.
    Keywords: Aquaculture ; Iran ; Persian Gulf ; Oman Sea ; Bostaneh region ; Lipar regions ; Sexual ; Diversity ; Red algae ; Generation ; Gracilaria corticata ; Samples ; DNA ; Population ; Broodstocks ; Environment ; Gametophyte ; Tetrasporophyte ; ISSR
    Repository Name: AquaDocs
    Type: monograph
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    Format: application/pdf
    Format: 108
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    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25828 | 18721 | 2018-10-13 10:19:08 | 25828 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-07-16
    Description: Different studies on Litopenaeus vannamei (Boone, 1931) has performed in Iran, but less noted in water quality conditions. Water quality, in addition to creating optimal environment for the growth of vannamei shrimp, as well as cause the live food production and improve economic performance are produced. This study was conducted to evaluate the water quality environment vannamei shrimp in the south of Caspian Sea (Mazandaran province) and in the Caspian Ecology Research Center. The results showed that the enrichment of water out of the ponds, can provide favorable conditions for water quality in the culture of vannamei shrimp with different densities. As a result, Mazandaran province environmental conditions (particularly temperature and salinity of the Caspian Sea) has perfectly suited for optimal growth vannamei shrimp. Therefore, vannamei shrimp (PL12) achieved a final individual weight of 21.1gr in a period culture of 85-day with a density of 35 ind/m^2. Also, The nutrients and water quality parameters (Temperature: 27.4±1.79 ° C, Transparency: 10.7±1.2 cm, Salinity: 10.57±0.78 psu, pH: 8.42±0.38, Dissolved Oxygen 8.04±1.35 mg per liter) were within normal limits during the culture period.
    Keywords: Aquaculture ; Ecology ; Environment ; Iran ; Caspian Sea ; Mazandaran Province ; Whiteleg shrimp ; Litopenaeus vannamei ; Salinity ; Physicochemical ; Shrimp
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 40
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