Results 251 to 260 of about 53,875 (298)

Mine Waste Disasters on the Zambian Copperbelt: Regulatory and Community Concerns. [PDF]

Environ Manage
Mukumba CP, Sishekanu M, Marais L.
europepmc   +1 more source

Assessing food procurement greenhouse gas emissions and food waste in UK fine dining.

Clean Food Syst
Zick A, Schmidt R X, Reynolds C.
europepmc   +1 more source

FISH GLUE FROM FISH WASTE: I. PREPARATION BY DIALYSIS

Contributions to Canadian Biology and Fisheries, 1932
The waste effluent liquors of plants engaged in the manufacture of fish meal from fish waste contain glue. The purification of these liquors to make glue involves the separation of salt and diffusible substances from the glue colloid. Simple dialysis using viscose tubing and electro-dialysis using membranes of parchment paper are effective in removing
L. F. SMITH
openaire   +2 more sources

Commercial production of fish meal from fish waste [PDF]

, 1987
The importance of fish meal production as a means of reducing fish waste currently being experienced in the fisheries subsector is discussed. Cost estimate for Nigeria establishing a fish meal manufacturing plant and suggestions on rational execution of the project are presented.
Eyo, A.A.
core   +3 more sources

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Discards and bycatch: A review of wasted fishing

2023
Bycatch and discards are a significant issue for global fisheries, with discards considered unnecessary mortality and wasted fishing. Discards have declined due to more selective gear and changes in regulations, but data on discard rates and species remains challenging to collect.
Julie A, Lively, Jonathan, McKenzie
openaire   +2 more sources

Composting of fish waste and its phytotoxicity effects

Journal of Environmental Science and Health, Part A, 2021
This work aimed to evaluate the composting of the mixture of residues from fish filleting, using sawdust as a structuring material as an alternative for stabilization, through physical-chemical analysis and phytotoxicity. The experiment was carried out in a composter 1.10 m long, 1.50 m wide, and 1.20 m high and presenting 2.50 m in total height, which
Beatriz Simões Valente, Iliane Müller Otto, Carolina Faccio Demarco, Dienifer Aline Braun Bunde, Fernanda Dias Ávila, Lucas Lourenço Gastiglioni Guidoni, Simone Pieniz, Érico Kunde Correa, Robson Andreazza   +8 more
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Utilization of Fish Waste for the Making of Fish Sauce

2013
Globally, demand for and the use of fishmeal has increased rapidly, especially in some of the emerging aquaculture countries in Asia. The Asia-Pacific aquaculture sector uses about 2.4 million tons of fishmeal (equivalent to about 10.3 million tons of raw material) as a feed source.
openaire   +1 more source

Fish Farm Wastes in the Ecosystem

2008
Fish farms release dissolved and particulate waste into the ecosystem and the most important impacts on the water column and the sediments are described at different scales (A, B, C zones). An overview of the ethical and legal frameworks for management of aquaculture is given, introducing the ecosystem approach to regulation through the DPSIR (Driver ...
openaire   +1 more source