708 results found
 

Pelagic gillnets

Page | June 17, 2008 at 14:42

Pelagic gillnets or ‘set nets’ are fine-filament nets that are kept at or below the surface by numerous floats and weights and held in position by 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 14:43

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 14:43

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 14:43

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 14:44

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 14:44

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...

Fisheries techniques

Page | June 17, 2008 at 14:45

Some fishing techniques have a devastating impact on the other marine life that shares the oceans with the fish being caught. They not only damage marine habitats, but also catch and kill large numbers of other marine creatures, including...

Aquaculture

Page | June 17, 2008 at 14:18

Greenpeace seeks to ensure clean and healthy oceans for the future, and part of this is working to improve the standards of international seafood trade. As wild stocks decline, the demand for farmed shrimp, salmon, tuna, tilapia and other marine...

Driven to extinction

Page | May 8, 2009 at 21:19

The Steller's sea cow (Hydrodamalis gigas) was a large sirenian mammal, which grew up to 10 metres long and weighed between 6 and 8 tonnes. It was discovered in 1741 near the Asiatic coast of the Bering Sea by German biologist Georg Steller, who...

Trawling

Page | May 8, 2009 at 20:53

Bottom trawling is a highly destructive fishing technique in which huge, heavy nets attached to large metal plates and rubber wheels are dragged across the sea bed; they destroy everything in their path.

Resources

Page | June 17, 2008 at 14:16

The websites below provide further information on endangered species, fisheries, aquaculture and other seafood related subjects.

Sustainable seafood policy

Page | July 14, 2008 at 18:03

A good sustainable seafood procurement policy should contain a detailed definition of ‘sustainable’ for both wild-caught and farmed seafood. It should list the principles of how sustainable seafood is identified and purchased, and outline how...

Example of a model policy

Page | June 17, 2008 at 14:49

Model sustainable and equitable seafood policy for retailers.

Demands on labelling

Page | March 16, 2009 at 20:01

In many countries, seafood labelling is poor, making it impossible for customers to trace where the fish they buy comes from, and what method was used to catch it. Sometimes, it is even difficult to tell which species is present in the product or...

Examples of labels

Page | October 4, 2008 at 22:46

A good seafood product label provides complete and accurate information about the origin of the product, and allows consumers and retailers to make an informed choice about buying sustainable seafood.

Making it happen in practice

Page | June 17, 2008 at 14:58

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GLOBALGAP

Page | May 20, 2010 at 22:49

Greenpeace is of the opinion that no fully credible certification system for sustainable seafood currently exists. Although Greenpeace acknowledges that GLOBALGAP provides valuable information for retailers regarding the standards of farmed fish...

Friend of the Sea

Page | June 22, 2009 at 13:00

Greenpeace is of the opinion that no fully credible certification system for sustainable seafood currently exists. Although Greenpeace acknowledges that Friends of the Sea applies clear bottom lines to its assessments, has adopted strong...

What about certification?

Page | June 24, 2009 at 17:00

Certification and the labelling of certified products aim to identify products that follow certain minimum standards or regulations, such as standards for quality, organic production, fair trade, or sustainability.

Tweet for the oceans

Page | January 11, 2012 at 0:00

Our oceans are a truly wonderful place - here are a few random facts you may or may not know about them...

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You have the power to protect our oceans!

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