Fishery Research Articles
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Aquasend Customers Review Real-Time Monitoring Benefits
Oxygen is one of the most important assets to each aqua farm. Protecting it is critical. These are quotes taken directly from farmers regarding oxygen. "Dissolved oxygen is the most critical water quality parameter in warmwater aquaculture. As we feed fish more and more, the dissolved oxygen will drop lower and lower in the early morning hours. The warmer the temperature, the faster it will drop. ...
By Aquasend
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Enhanced resistance to BCWD in Troutlodge strains
Joint research of the United States Department of Agriculture (USDA) and Troutlodge has shown that Genomic Selection can double the prediction accuracy for Bacterial Cold Water Disease (BCWD). Application of Genomic Selection for BCWD resistance to three generations of Troutlodge broodstock resulted in a challenge survival increasing from 33.5% in 2015 to 78.3% in 2019. This is a staggering ...
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Bogor Agriculture University, Indonesia - Case Study
“Combining Sepacore with Syncore Polyvap means you can work faster and better. The active substances produced are purer. This is the key to fast, cost-efficient, high-quality analysis." Company / Institution Bogor Agriculture University, Indonesia Product lines Parallel Evaporation Customer: Bogor Agriculture University, Indonesia Bogor Agriculture University is one of the larger ...
By BUCHI
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Becoming a top female fisheries researcher in Kenya
In this film, as part of our series Africa’s PhD renaissance, scientist Nina Wambiji talks about how the support she has received from AWARD (African Women in Agricultural Research and Development) has helped her become a leading researcher in her field. She was granted a fellowship at AWARD after obtaining a PhD in Japan for her research on rabbitfish. AWARD is a two year career ...
By SciDev.Net
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Nets That Save Fish - Ocean bycatch isn’t inevitable — it’s a design challenge.
Six years ago, the Norwegian coast guard filmed a Scottish fishing vessel riding gray swells, dumping 5 metric tons of dead fish back into the North Sea. Over the European Union catch quota, and so unable to keep all the fish they’d caught, the fishermen had to ditch some. To the Norwegians, who aren’t part of the EU and hold a strict discards ban, the waste was shocking. When this ...
By Ensia
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Islands of sustainability in time and space
We review the economics perspective on sustainable resource use and sustainable development. Under standard conditions, dynamic efficiency leads to sustainability of renewable resources but not the other way around. For the economic-ecological system as a whole, dynamic efficiency and intergenerational equity similarly lead to sustainability, but ad hoc rules of sustainability may well lead to ...
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Modern strains put Lake Victoria in critical condition
Pollution and overfishing in Lake Victoria have become so severe that scientists believe they threaten the health and livelihoods of millions of East Africans. And researchers in the three countries bordering the world’s largest tropical lake — Kenya, Tanzania and Uganda — largely blame governments and national agencies for failing to control the effluent and other waste ...
By SciDev.Net
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Di‐n‐butyl phthalate causes antiestrogenic effects in female murray rainbowfish (Melanotaenia fluviatilis)
Di‐n‐butyl phthalate (DnBP) is an industrial pollutant with antiandrogenic effects reported in male mammals and fish. Little research has been done on the endocrine effects of DnBP in female fish. The present study investigated the changes in ovarian histology and serum vitellogenin concentrations in adult Murray rainbowfish (Melanotaenia fluviatilis) after exposure to 125, 250, 500 and ...
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Old and new knowledge combine to protect Fiji`s fish
Efforts to protect precious marine biodiversity by combining science and local knowledge are difficult but can work, reports Naomi Antony. Along the coastline of Fiji, threatened fishing communities have been combining the ancient and the new in their fight to conserve precious marine resources. Together with traditions remembered from centuries ago and community approaches to marine ...
By SciDev.Net
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Communities, knowledge and fisheries of the future
The 'human dimension' in fisheries management has historically been incorporated via a specific economic understanding of fisheries wedded to a single-species approach. Meeting the challenge of fisheries, however, will require a broadening of fisheries science towards an ecosystems-based approach. There is also the need for a parallel shift in social science understandings of fishing towards ...
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The effects of surface water abstraction for rice irrigation on floodplain fish production in Bangladesh
Abstraction of surface water for irrigation poses a serious threat to the sustainability of floodplain fisheries in Bangladesh. Previous fisheries research has accorded a central role to dry-season (Rabi) water maintenance in safeguarding the health of the fishery, but rice irrigation water abstraction dries up water bodies at a rapid rate. Having reviewed various aspects of this water ...
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Fisheries management in a sea of uncertainty: the role and responsibility of scientists in attaining a precautionary approach
On the political level, there is now an agreement that the fish stocks in the North Sea should be managed in accordance with the precautionary principle. The goal of this paper is to show that fisheries scientists will have to adapt to the new requirements represented by this principle, first and foremost by adjusting the model of decision-making in a way that facilitates communication of the ...
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