69 results found
 

Purse seines

Page | June 17, 2008 at 4:43

Fish are encircled by a large ‘wall’ of net, which is then brought together to retain the fish by using a line at the bottom that enables the net to be closed like a purse.

Pelagic trawls

Page | June 17, 2008 at 4:43

The front net sections are often made of very large meshes or ropes, which herd the fish towards the back of the funnel-shaped net. Pelagic trawls may be towed by one or two (pair trawl) boats.

Danish seines

Page | June 17, 2008 at 4:43

A fishing net, similar to a small trawl net, with a conical net bag with two relatively long wings. Two long heavy ropes, one attached to each wing, are used to encircle a large area of the seabed to herd the fish into the net and then to haul...

Beam trawls

Page | June 17, 2008 at 4:44

A type of bottom trawl in which the horizontal opening of the net is provided by a heavy beam mounted at each end on guides or skids that travel along the seabed. On sandy or muddy bottoms, a series of ‘tickler’ chains are strung between the...

Dredges

Page | June 17, 2008 at 4:44

Similar to a beam trawl, a dredge consists of a rugged triangular steel frame and tooth-bearing bar, behind which a mat of linked steel rings is secured. A heavy netting cover joins the sides and back of this mat to form a bag in which the catch...

Demersal otter trawls

Page | June 17, 2008 at 4:44

A type of bottom trawl that has two rectangular 'doors' or 'otterboards' to keep the mouth of the funnel-shaped net open horizontally while the net is being towed. A vertical opening is maintained by weights on the bottom and floats on the top.

Marine Reserves

Hub | April 1, 2009 at 17:00

Greenpeace urges Canadian and global politicians to follow markets lead in protecting...

Feature story | October 28, 2010 at 11:34

Greenpeace has released a new report, titled “Oceans Advocates,” showing how consumer pressure is driving retailers to adopt responsible seafood sourcing practices. In recent years this pressure has brought about encouraging changes in the...

Canadian Supermarkets Driving Change on Seafood Sustainability: Greenpeace

Feature story | July 7, 2011 at 8:30

(Vancouver) — A new Greenpeace ranking report shows all eight of Canada’s major supermarket chains are making progress on implementing sustainability policies that will help reduce the burden on some of the most commercially popular – but...

The oceans are in a crisis. Greenpeace has a plan to save them.

Feature story | October 4, 2010 at 10:47

Our oceans are an absolute marvel - but they are also in a deep, deep crisis. If we don’t act fast, our oceans will continue to deteriorate and vital food sources and essential functions provided to our planet and its people by the oceans could...

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