69 results found
 

Tuna

Hub | December 14, 2011 at 13:05

Tuna is one of the world's favourite fish and a staple in many Canadian households. Tuna provides a critical source of protein for millions of people across the globe, and as a top predator in marine food chains, holds a unique place in ocean...

New Report: Deep sea mining high risk

Feature story | July 7, 2013 at 18:01

The extinction of unique deep sea species and other irreversible environmental damage to our oceans are a likely result of an emerging trend to exploit seabed minerals, Greenpeace International warned today.

Greenpeace salutes Metro’s move to stop selling overfished species

Feature story | September 23, 2010 at 11:00

Greenpeace applauds the announcement today by Metro that it will remove seven overfished species from sale in its supermarkets. Metro’s move comes three months after the company committed to a sustainable seafood policy after placing fifth in...

Greenpeace challenges closed-door meeting of Arctic “petroleum club”

Feature story | March 29, 2010 at 16:36

As five foreign ministers hole up in the Gatineau Hills today to divide the resources beneath the Arctic Ocean, Greenpeace calls on them to provide a much more transparent process for discussing the need for greater protection for the fragile...

Bottom long-lines

Page | June 17, 2008 at 4:42

Long-lines consist of short lines (called snoods) carrying hooks, attached at regular intervals to a longer main line that is laid on, or close to, the seabed. Main lines are up to 150 km long and can carry several thousand hooks.

Bottom gillnets

Page | June 17, 2008 at 4:42

Bottom gillnets or ‘set nets’ are fine-filament nets, the lower edge of which touch the seabed, and are held in place by numerous floats, weights and anchors. If a fish’s head goes through the net but its body can’t follow, it is ‘gilled’ or...

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.

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...

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.

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