Fish Transfer Articles & Analysis
15 articles found
Location: Ecological-Asia, Singapore Background: Exporters and trans-shippers of ornamental fish have always faced the problem of maintaining fish health and well being as fish are shipped around the globe in plastic bags. During transport, the water in these closed containers may become oxygen-depleted asphyxiating the fish ...
Fish Farming Ponds: Constructing large fish farming ponds for raising various species of fish, such as tilapia, salmon, catfish, or shrimp. ...
During the preparation of their dish, Arnaud shares with the audience that after grilling fish, if placed in the cold, in contact with ice, the flesh of the fish will firm, and the flavours will be preserved. ...
Aeration devices can also allow you to raise more fish in a smaller space. Fish farmers have discovered that with the circulating aquaculture system (RAS), they can even raise fish in the fish tanks in the buildings. ...
This is due to several factors, among them increased demand for seafood due to population growth and a greater understanding of the nutritional benefits of eating fish; increased pollution of seas and oceans and over-fishing, resulting in a decline in fish populations around the globe; and a growing awareness of the significant environmental ...
Due to accumulated biomass, it has resulted in severely lower oxygen levels, creating “dead zones” in water bodies, which leads to high mortalities of fish. The toxins are transformed and transferred to humans by the consumption of contaminated fish, potentially leading to Ciguatera Fish Poisoning (CFP). ...
Osprey (Pandion haliaetus) diet and the transfer of contaminants from fish to osprey eggs were evaluated. The most bioaccumulative compounds (biomagnification factor >5) included p,p'‐DDE, total PCBs, total PBDEs, and BDE congeners 47, 99, 100 and 154. ...
The uptake of microplastic particles and the transfer of potential harmful substances along with microplastics has been studied in a variety of organisms, especially invertebrates. ...
In aquatic environments, mercury can be transformed into methylmercury (MeHg), which bioaccumulates in aquatic food webs, including fish. MeHg has been shown to transfer from female fish to developing eggs; however, relatively little is known regarding effects of maternally‐transferred MeHg on fish embryos. Here, ...
Both periphyton‐ and phytoplankton‐based food chains were modeled, with Se trophically transferred to invertebrates and then to fish. Whole‐body fish Se concentrations were predicted based on (1) the background waterborne Se concentration; (2) the magnitude of the Se pulse; and (3) the duration of the Se pulse. ...
Mercury bioaccumulation models developed for fish provide insight into the sources and transfer of Hg within ecosystems. Mercury concentrations were assessed for 16 fish species of the western reach of Lake Diefenbaker, Saskatchewan, Canada. ...
Selenium concentrations ranged from 0.2 µg/g dry weight in macroalgae species to 12.9 µg/g in the carnivorous fish Gerres subfasciatus. A mean magnification factor of 1.39 per trophic level showed that selenium is biomagnifying in the seagrass food web. Habitat and feeding zone influenced selenium concentrations in invertebrates, while only feeding zone was the significant factor ...
In addition, bioaccumulation and food chain transfer of these residues to fish after feeding with treated mosquitoes was demonstrated. The overall recovery from method validation studies was 77.3 ± 2.2% (mean ± relative standard deviation [RSD]) for the mosquitoes, and 99.1 ± 4.4% (mean ± RSD) for the fish. The average dieldrin concentration ...
Abstract: Algae constitute a major proportion of fish food in rice-fish culture system. Study of algal preferences and their availability in the natural environment might be important for developing natural fish feed. ...
The other trading systems reviewed are the SO 2 allowance trading in the US; New Zealand (NZ) transferable fishing quotas; US lead trading; and the trade of Ozone Depleting Substances (ODS) quotas under the Montreal Protocol. ...