706 results found
 

Hook-and-line

Page | June 17, 2008 at 14:41

Hook-and-line is a general term used for a range of fishing methods that employ short fishing lines with hooks in one form or another (as opposed to long-lines). It includes hand-lines, hand-reels, powered reels, rod/pole-and-line, drop lines,...

Pelagic long-lines

Page | June 17, 2008 at 14:42

Long-lines consist of short lines (called snoods) carrying baited hooks, attached at regular intervals to a longer main line that is laid on the bottom or suspended horizontally with the help of surface floats. Main lines can be over 150 km long...

Bottom long-lines

Page | June 17, 2008 at 14:42

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.

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...

Bottom gillnets

Page | June 17, 2008 at 14:42

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 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...

Demersal otter trawls

Page | June 17, 2008 at 14:44

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.

The collapse of a cod fishery

Page | May 8, 2009 at 21:03

In 1992, the collapse of the Newfoundland Grand Banks cod fishery in Canada put 40,000 people out of work. The area, once renowned as the world’s most productive fishing grounds, was devastated by years of overfishing and incompetent fisheries...

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.

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...

MSC

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 the MSC’s professional operation and its transparency and stakeholder involvement at all levels,...

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...

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...

A brief history of overfishing

Page | May 8, 2009 at 21:10

Evidence shows that humans have been depleting the wealth of the oceans throughout history. Area by area, species by species, man has ruthlessly exploited the seas to the point of depletion, limited only by technological means or the...

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.

A strategy for sustainable seafood

Page | June 17, 2008 at 14:57

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Making it happen in practice

Page | June 17, 2008 at 14:58

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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.

Map

Page | September 26, 2008 at 23:23

This maps shows the approximate boundaries of a global network of international and national marine reserves being proposed by Greenpeace. For more detailed information, see our Roadmap to Recovery plan.

Time and tuna are running out

Page | November 6, 2008 at 1:06

The International Commission for the Conservation of Atlantic Tunas (ICCAT) is responsible for managing one of the most important fisheries in the Mediterranean, bluefin tuna. Yet the bluefin tuna fishery has been driven to the brink of collapse...

Virtual deep-sea tour

Page | August 22, 2007 at 23:34

Defending our Oceans was on the road in Europe with our "Deep look into the Oceans tour". It was a deep-sea “road show” for the people of Europe and their decision makers.

Understanding the problem

Page | June 17, 2008 at 17:09

How did these fish end up on the Red List?

Page | December 15, 2009 at 16:48

These fish are on the Greenpeace International Seafood Red List because they have a very high risk of being sourced from unsustainable fisheries or unsustainable aquaculture operations. The table below provides a simple overview of the key...

Seafood Red list

Page | August 16, 2008 at 3:48

What does sustainable mean?

Page | March 13, 2009 at 20:53

In simple terms, a sustainable fishery is one whose practices can be maintained indefinitely without reducing the targeted species’ ability to maintain its population at healthy levels, and without adversely impacting on other species within the...

Changing your business

Page | September 24, 2008 at 17:40

Greenpeace is currently working with retailers to motivate them to develop and implement policies for sourcing sustainable seafood.

Glossary

Page | June 17, 2008 at 19:26

Seafood Glossary

Sustainable tuna

Page | January 14, 2010 at 20:40

Aquaculture

Hub | August 13, 2008 at 21:31

Sustainable Aquaculture

Hub | August 13, 2008 at 21:01

Definition of IUU fishing

Page | October 14, 2010 at 19:00

Illegal fishing takes place where vessels operate in violation of the laws of a fishery. This can apply to fisheries that are under the jurisdiction of a coastal state or to high seas fisheries regulated by regional organisations.

Icelandic whaling

Page | April 2, 2009 at 20:15

Killing whales to save the Icelandic economy? It sounds like a terrible idea - we certainly think it is.

Norwegian whaling

Page | January 9, 2009 at 0:11

Norway resumed commercial whaling in 1993 as an attempt by the political party in power at the time to gain popularity in northern Norway.

Krill: Antarctica's food

Page | May 12, 2009 at 20:08

Antarctic krill are small shrimp-like crustaceans that are the principle food source for many Antarctic predators including seals, penguins, albatross, various fish species and the seven species of baleen whales that feed in the Southern Ocean.

Toothfish

Page | May 9, 2009 at 23:48

Aside from krill, the other major fishery in the Southern Ocean is for toothfish.

Shipping and Tourism

Page | May 9, 2009 at 23:26

Antarctic tourism has been growing at a rapid pace for well over a decade, with more than 40,000 tourists visiting Antarctica in the 2007/2008 season.

Whaling in the Antarctic

Page | May 9, 2009 at 23:26

The devastation of whale populations by commercial whaling in the Southern Ocean is well documented, with 95 percent of the biomass of whales lost and the blue whale brought to the edge of extinction.

Protecting Antarctica

Page | May 12, 2009 at 12:49

The historic 1991 agreement to prohibit all mineral extraction in Antarctica for 50 years set an example for a new relationship with planet Earth.

Arctic Under Pressure Expedition

Page | June 18, 2010 at 21:20

Arctic Under Pressure Expedition.

Arctic threats: shipping

Page | May 12, 2009 at 12:01

As the decline in Arctic sea ice opens historically closed routes such as the Northwest and Northeast Passages, questions arise regarding security and safety.

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