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https://www.readbyqxmd.com/read/30316090/biology-and-fisheries-of-hilsa-shad-in-bay-of-bengal
#1
Mostafa A R Hossain, Isha Das, Lily Genevier, Sugata Hazra, Munsur Rahman, Manuel Barange, Jose A Fernandes
Hilsa (Tenualosa ilisha) or river shad is an anadromous fish species widely distributed in the North Indian Ocean, mainly in the Bay of Bengal (BoB). Hilsa is the national fish of Bangladesh and it contributes 10% of the total fish production of the country, with a market value of $1.74 billion. Hilsa also holds a very important place in the economics of West Bengal of India with 12.5% of the catch and also tops the marine capture in Myanmar. During the last two decades Hilsa production from inland waters has been stable, whereas marine yields in the BoB increased substantially...
October 5, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/30305674/marine-microalgae-commercial-production-improves-sustainability-of-global-fisheries-and-aquaculture
#2
Colin M Beal, Léda N Gerber, Supis Thongrod, Wutiporn Phromkunthong, Viswanath Kiron, Joe Granados, Ian Archibald, Charles H Greene, Mark E Huntley
A method is described for saving 30% of the world fish catch by producing fishmeal and fish oil replacement products from marine microalgae, the natural source of proteins and oils in the marine food web. To examine the commercial aspects of such a method, we adapt a model based on results of microalgae production in Hawaii and apply it to Thailand, the world's fourth largest producer of fishmeal. A model facility of 111 ha would produce 2,750 tonnes yr-1 of protein and 2,330 tonnes yr-1 of algal oil, at a capital cost of $29...
October 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/30304855/-out-of-the-can-a-draft-genome-assembly-liver-transcriptome-and-nutrigenomics-of-the-european-sardine-sardina-pilchardus
#3
André M Machado, Ole K Tørresen, Naoki Kabeya, Alvarina Couto, Bent Petersen, Mónica Felício, Paula F Campos, Elza Fonseca, Narcisa Bandarra, Mónica Lopes-Marques, Renato Ferraz, Raquel Ruivo, Miguel M Fonseca, Sissel Jentoft, Óscar Monroig, Rute R da Fonseca, L Filipe C Castro
Clupeiformes, such as sardines and herrings, represent an important share of worldwide fisheries. Among those, the European sardine ( Sardina pilchardus , Walbaum 1792) exhibits significant commercial relevance. While the last decade showed a steady and sharp decline in capture levels, recent advances in culture husbandry represent promising research avenues. Yet, the complete absence of genomic resources from sardine imposes a severe bottleneck to understand its physiological and ecological requirements. We generated 69 Gbp of paired-end reads using Illumina HiSeq X Ten and assembled a draft genome assembly with an N50 scaffold length of 25,579 bp and BUSCO completeness of 82...
October 9, 2018: Genes
https://www.readbyqxmd.com/read/30301105/environmental-changes-in-ariake-sea-of-japan-and-their-relationships-with-isahaya-bay-reclamation
#4
REVIEW
Rui Jia, Huayang Lei, Takenori Hino, Arul Arulrajah
This paper reviews the recent environmental deterioration in Ariake Sea, Japan, including an increased frequency of red tides and hypoxic waters and decreased fishery production. Analysis of the mechanisms of environmental deterioration suggests that it is possibly induced by the decrease in tidal flat area, decreases in the tide and tidal current and changes in the sediment environment. The Isahaya Bay reclamation project resulted in the loss of 1550 ha of tidal flats, and is one of the possible reasons for the decreases in the tide and tidal current...
October 2018: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/30291866/perkinsus-olseni-in-the-short-neck-yellow-clam-paphia-malabarica-chemnitz-1782-from-the-southwest-coast-of-india
#5
P Shamal, P U Zacharia, C P Binesh, P Pranav, Gangadharan Suja, P K Asokan, M A Pradeep, Ranjan Rithesh, K K Vijayan, N K Sanil
Parasites of the genus Perkinsus predominantly infect bivalves, and two species among them, P. olseni and P. marinus, are notifiable to OIE. P. olseni infections are known to cause extensive damage to wild as well as farmed bivalves globally with enormous implications to its fishery. Consequent to the initiation of a surveillance programme for aquatic animal diseases in India, Perkinsus infections were observed in many species of bivalves. The present paper describes P. olseni infections in the short neck yellow clam, Paphia malabarica from the southwest coast of India...
October 3, 2018: Journal of Invertebrate Pathology
https://www.readbyqxmd.com/read/30286356/ecosystem-based-management-planning-across-aquatic-realms-at-the-ria-de-aveiro-natura-2000-territory
#6
Ana I Lillebø, Heliana Teixeira, Mariana Morgado, Javier Martínez-López, Asya Marhubi, Gonzalo Delacámara, Pierre Strosser, António J A Nogueira
Ria de Aveiro represents a coastal territory, in which its natural capital, mostly classified under a Natura 2000 network of protected areas, is of paramount importance for the regional and national economy, supporting harbour activities and maritime traffic, agriculture, commercial fisheries, aquaculture, manufacturing, tourism, sports and recreational activities. Current and foreseen changes connected to human activities, namely land and water uses and potential conflicts, in frame of environmental policies, sustainable economic development and human well-being require the implementation of ecosystem-based management (EBM) planning processes considering the connectivity across marine, transitional, freshwater, and terrestrial domains...
September 25, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/30285303/ecological-change-alters-the-evolutionary-response-to-harvest-in-a-freshwater-fish
#7
Jenilee Gobin, Nigel P Lester, Michael G Fox, Erin S Dunlop
Harvesting can induce rapid evolution in animal populations, yet the role of ecological change in buffering or enhancing that response is poorly understood. Here, we developed an eco-genetic model to examine how ecological changes brought about by two notorious invasive species, zebra and quagga mussels, influence harvest-induced evolution and resilience in a freshwater fish. Our study focused on lake whitefish (Coregonus clupeaformis) in the Laurentian Great Lakes, where the species supports valuable commercial and subsistence fisheries, and where the invasion of dreissenid (zebra and quagga) mussels caused drastic shifts in ecosystem productivity...
October 4, 2018: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/30279615/zooplankton-monitoring-to-contribute-towards-addressing-global-biodiversity-conservation-challenges
#8
REVIEW
Sanae Chiba, Sonia Batten, Corinne S Martin, Sarah Ivory, Patricia Miloslavich, Lauren V Weatherdon
Oceanographers have an increasing responsibility to ensure that the outcomes of scientific research are conveyed to the policy-making sphere to achieve conservation and sustainable use of marine biodiversity. Zooplankton monitoring projects have helped to increase our understanding of the processes by which marine ecosystems respond to climate change and other environmental variations, ranging from regional to global scales, and its scientific value is recognized in the contexts of fisheries, biodiversity and global change studies...
September 2018: Journal of Plankton Research
https://www.readbyqxmd.com/read/30276699/studies-on-the-growth-and-mortality-of-indian-river-shad-gudusia-chapra-hamilton-1822-from-panchet-reservoir-india
#9
Suman Kumari, Uttam Kumar Sarkar, Sandhya Kavitha Mandhir, Lianthuamluaia Lianthuamluaia, Debabrata Panda, Sushanta Kumar Chakraborty, Gunjan Karnatak, Vikash Kumar, Mishal Puthiyottil
The Indian river shad, Gudusia chapra (Hamilton, 1822), is a commercially important freshwater clupeid that contribute to the livelihood of subsistence and marginal fisheries in inland open waters of India and its adjacent countries. The present study was carried out on the growth and mortality of Indian River shad, Gudusia chapra (Hamilton, 1822) based on the commercial length-frequency data collected monthly during October 2014 to September 2015 of a large reservoir located in the border of Jharkhand and West Bengal...
October 1, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30249663/three-pillars-of-sustainability-in-fisheries
#10
Frank Asche, Taryn M Garlock, James L Anderson, Simon R Bush, Martin D Smith, Christopher M Anderson, Jingjie Chu, Karen A Garrett, Audun Lem, Kai Lorenzen, Atle Oglend, Sigbjørn Tveteras, Stefania Vannuccini
Sustainability of global fisheries is a growing concern. The United Nations has identified three pillars of sustainability: economic development, social development, and environmental protection. The fisheries literature suggests that there are two key trade-offs among these pillars of sustainability. First, poor ecological health of a fishery reduces economic profits for fishers, and second, economic profitability of individual fishers undermines the social objectives of fishing communities. Although recent research has shown that management can reconcile ecological and economic objectives, there are lingering concerns about achieving positive social outcomes...
September 24, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/30249457/short-term-variation-of-abundance-of-the-purple-sea-urchin-paracentrotus-lividus-lamarck-1816-subject-to-harvesting-in-northern-portugal
#11
Iacopo Bertocci, Andreu Blanco, João Nuno Franco, Sergio Fernández-Boo, Francisco Arenas
Paracentrotus lividus is a common and intensely harvested sea urchin at several European locations, including the Mediterranean Sea and the Atlantic coast of the Iberian Peninsula. The increasing human pressure on this resource due to the growing demand and market value of sea urchin gonads as seafood raises concerns on the ecological sustainability of present fisheries, which are showing a technological improvement and an expansion towards previously non-harvested areas. We examined the abundance of P. lividus of both commercial and non-commercial size before, during and after the harvesting season (from October to April) in the rocky shallow subtidal habitat along the northern Portuguese coast...
September 14, 2018: Marine Environmental Research
https://www.readbyqxmd.com/read/30248126/dietary-diversity-determinants-and-contribution-of-fish-to-maternal-and-under-five-nutritional-status-in-zambia
#12
Pamela A Marinda, Sven Genschick, Christopher Khayeka-Wandabwa, Rebecca Kiwanuka-Lubinda, Shakuntala H Thilsted
BACKGROUND: This study examines socio-economic determinants of food consumption patterns amongst women of reproductive age and children aged 6-59 months from urban poor settlements of Lusaka and their implications for nutritional status. Particular emphasis was placed on the role of fish in their diets and nutritional status. METHODS: A cross-sectional survey design was applied, in which 714 mother-child dyads, with children aged 6-59 months were enrolled. A three-stage randomized cluster sampling approach was applied...
2018: PloS One
https://www.readbyqxmd.com/read/30215341/seafood-consumption-patterns-their-nutritional-benefits-and-associated-sociodemographic-and-lifestyle-factors-among-first-nations-in-british-columbia-canada
#13
Lesya Marushka, Malek Batal, Tonio Sadik, Harold Schwartz, Amy Ing, Karen Fediuk, Constantine Tikhonov, Hing Man Chan
OBJECTIVE: To describe seafood consumption patterns in First Nations (FN) in British Columbia (BC) and examine lifestyle characteristics associated with seafood consumption; to identify the top ten most consumed seafood species and their contributions to EPA and DHA intake; and to estimate dietary exposure to methylmercury, polychlorinated biphenyls and dichlorodiphenyldichloroethylene. DESIGN: Dietary and lifestyle data from the First Nations Food Nutrition and Environment Study, a cross-sectional study of 1103 FN living in twenty-one communities across eight ecozones in BC, Canada, were analysed...
September 14, 2018: Public Health Nutrition
https://www.readbyqxmd.com/read/30189577/integrated-assessment-of-the-climate-and-landuse-change-impact-on-hydrology-and-water-quality-in-the-songkhram-river-basin-thailand
#14
Sangam Shrestha, Binod Bhatta, Manish Shrestha, Pallav K Shrestha
The livelihoods of people in the Songkhram River Basin (SRB) rely heavily on river water, especially those involved in the fisheries. Extensive landuse changes in SRB have raised concerns regarding its impacts in water quality in addition to the looming climate change effects. More importantly there is lack of detailed studies on landuse and climate change impact on river water quality for the sustainable water management. Therefore, this study aimed at quantifying the individual and integrated impact of climate and landuse change in streamflows and nitrate nitrogen loadings in the Songkhram River...
December 1, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/30174517/stock-discrimination-and-connectivity-assessment-of-yellowfin-seabream-acanthopagrus-latus-in-northern-south-china-sea-using-otolith-elemental-fingerprints
#15
Xuefeng Wang, Lifei Wang, Shaoliang Lv, Teng Li
Connectivity between fish stocks is fundamental to the understanding of population dynamics and the implementation of sustainable fisheries management. Otolith microchemistry is a promising tool as it can provide information on the continuous growth of otoliths and the environmental effects on otolith composition. Such elemental fingerprints can help distinguish different stocks or life history stages, identify the origins or nursery areas of fish, and assess population structure. In this study, we examined the stock discrimination and spatial connectivity of cage-cultured and wild stocks of yellowfin seabream (Acanthopagrus latus) from the coastal waters of Shantou, Yangjiang, and Zhanjiang in China southern province Guangdong during 2012-2014, based on otolith trace-elemental signatures using multivariate statistical analysis and machine learning approaches...
September 2018: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/30151052/population-assignment-and-local-adaptation-along-an-isolation-by-distance-gradient-in-pacific-cod-gadus-macrocephalus
#16
Daniel P Drinan, Kristen M Gruenthal, Michael F Canino, Dayv Lowry, Mary C Fisher, Lorenz Hauser
The discernment of populations as management units is a fundamental prerequisite for sustainable exploitation of species. A lack of clear stock boundaries complicates not only the identification of spatial management units, but also the assessment of mixed fisheries by population assignment and mixed stock analysis. Many marine species, such as Pacific cod, are characterized by isolation by distance, showing significant differentiation but no clear stock boundaries. Here, we used restriction-site-associated DNA (RAD) sequencing to investigate population structure and assess power to genetically assign Pacific cod to putative populations of origin...
September 2018: Evolutionary Applications
https://www.readbyqxmd.com/read/30147767/designing-cultural-multilevel-selection-research-for-sustainability-science
#17
Michelle A Kline, Timothy M Waring, Jonathan Salerno
Humans stand out among animals in that we cooperate in large groups to exploit natural resources, and accumulate resource exploitation techniques across generations via cultural learning. This uniquely human form of adaptability is in large part to blame for the global sustainability crisis. This paper builds on cultural evolutionary theory to conceptualize and study environmental resource use and overexploitation. Human social learning and cooperation, particularly regarding social dilemmas, result in both sustainability crises and solutions...
2018: Sustainability science
https://www.readbyqxmd.com/read/30144215/how-ecological-processes-shape-the-outcomes-of-stock-enhancement-and-harvest-regulations-in-recreational-fisheries
#18
Fiona D Johnston, Micheal S Allen, Ben Beardmore, Carsten Riepe, Thilo Pagel, Daniel Hühn, Robert Arlinghaus
Fish stocking and harvest regulations are frequently used to maintain or enhance freshwater recreational fisheries and contribute to fish conservation. However, their relative effectiveness has rarely been systematically evaluated using quantitative models that account for key size- and density-dependent ecological processes and adaptive responses of anglers. We present an integrated model of freshwater recreational fisheries where the population dynamics of two model species affect the effort dynamics of recreational anglers...
August 24, 2018: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/30141269/opportunities-for-climate-risk-reduction-through-effective-fisheries-management
#19
William W L Cheung, Miranda C Jones, Gabriel Reygondeau, Thomas L Frölicher
Risk of impact of marine fishes to fishing and climate change (including ocean acidification) depend on the species' ecological and biological characteristics, as well as their exposure to over-exploitation and climate hazards. These human-induced hazards should be considered concurrently in conservation risk assessment. In this study, we aim to examine the combined contributions of climate change and fishing to the risk of impacts of exploited fishes, and the scope for climate-risk reduction from fisheries management...
August 23, 2018: Global Change Biology
https://www.readbyqxmd.com/read/30104749/tax-havens-and-global-environmental-degradation
#20
REVIEW
Victor Galaz, Beatrice Crona, Alice Dauriach, Jean-Baptiste Jouffray, Henrik Österblom, Jan Fichtner
The release of classified documents in the past years have offered a rare glimpse into the opaque world of tax havens and their role in the global economy. Although the political, economic and social implications related to these financial secrecy jurisdictions are known, their role in supporting economic activities with potentially detrimental environmental consequences have until now been largely ignored. Here, we combine quantitative analysis with case descriptions to elaborate and quantify the connections between tax havens and the environment, both in global fisheries and the Brazilian Amazon...
September 2018: Nature Ecology & Evolution
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