sea urchin Articles
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Embryotoxicity and teratogenicity of pesticide indoxacarb to sea urchin (
Strongylocentrotus intermedius )Sperm cell and embryo toxicity tests using the sea urchin Strongylocentrotus intermedius (S. intermedius) were performed to assess the toxicity of indoxacarb, a new widely used insecticide. New toxicity data for indoxacarb expressed as median effective concentration (EC50) were reported for the sea urchin species. When sperms and cells were exposed to the pesticide before fertilization, no ...
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Salmon aquaculture could incorporate seaweed and sea urchins to reduce nitrogen enrichment
Farming fish together with seaweed and other species could help improve the sustainability of aquaculture and reduce pollution. A new study provides a tool for designing sustainable fish farming systems and calculates their potential to recycle waste. An example of a salmon farming system incorporating seaweed and sea urchins could reduce nitrogen releases to the environment by 45%. Over half of ...
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In the fishing industry, gear recycling is finally catching on
In 2013, Joel Baziuk had a problem. He had too many fishing nets, and no good way to get rid of them. But that was about to change. As operations supervisor of Steveston Harbour Authority, or SHA, just south of Vancouver, British Columbia, Baziuk is responsible for Canada’s largest commercial fishing harbor. At any given time, more than 400 vessels call the harbor home. At sea, they land a ...
By Ensia
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