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Quiet Revolution Aboard Shrimp Trawlers


Aboard shrimp trawlers, a quiet revolution
FAO-run project reduces environmental impacts

Rome, 23 November 2006 - Shrimp -- a small animal with a giant-sized footprint.

It is the world's most sought-after seafood commodity: some 3.5 million tons of the many-legged delicacy are pulled from the ocean's waters each year, with another 2.4 million tons raised on aquatic farms.

The popular seafood is a gold mine for poor countries feeding avid consumers in northern markets. Developing nations supply some 90% of the shrimp consumed in developed countries, to the tune of US$8 billion a year. As a result, the jobs of hundreds of thousands of people in the developing world depend on shrimp.

But the sector is also one of the world's most wasteful fisheries.

In some places, for every kilo of shrimp that fishermen catch as much as 20 kilos of accidentally netted marine animals are tossed back overboard to die.

Generally, eight percent of all fish caught -- just over 7 million tons -- are discarded this way each year, FAO estimates. Of that total, tropical shrimp trawl fisheries have the highest "discard" rate, accounting for 27 percent of the waste -- 1.8 million tonnes of it.

New technology offers solutions

Discards of "by-catch" -- which are not only wasteful but can have broader environmental impacts on both specific fish stocks and entire ecosystems -- have been a concern of FAO’s for years.

"The capture of juveniles of valuable fish before they have the chance to reproduce constitutes a threat to the well-being of fish populations, while extensive removal of non-targeted fish is a threat to marine ecosystem biodiversity, thus impacting on the productivity of a fishery," explains Jeremy Turner of the UN agency's Fisheries Department.

In 2002, FAO teamed up with the UN Environment Programme (UNEP) and the Global Environmental Facility to establish a US$9 million five-year project that aims to reduce unwanted by-catch in shrimp fisheries.

As lead executing agency, FAO manages the project's activities in the field, working with trawlers, small-scale fishers, national fishery agencies and regional fisheries organizations to introduce new technologies and fishing methods designed to target only desired fish of a certain size while letting small juveniles and non-targeted animals, like sea turtles, escape. (see sidebar)

FAO is providing technical assistance to help fishermen modify their trawls and equipment and is holding workshops to train them in their proper use and to discuss changes in fishing techniques that can also help. The Organization is also working with local authorities to conduct sea trials on vessels fitted with high tech sensors and underwater monitors that assess the effectiveness of the new trawls and trawling methods in order to further develop the technology.

At the same time, FAO is helping countries re-draft their fishing regulations so that they promote wider use of the new technology.

Dramatic results

"There have already been some dramatic results, with by-catch being reduced by as much as 50 percent in some cases," reports Turner.

This not only benefits local ecosystems and fish populations, making fishing grounds more productive, it also means financial savings for fishermen, since they don't need to spend as much time sorting and processing their catch.

In Asia, however, the situation is trickier. There, fishermen might earn as little as 1US$ a day, and by-catch is often not discarded -- boat owners let their crews sell it for processing to meet demand for human and aquaculture consumption. "It represents an important source of income for them," explains Turner, "so you have to do more than just give them new technology."

Countries where FAO is implementing the project are Bahrain, Cameroon, Colombia, Costa Rica, Cuba, Indonesia, Iran, Mexico, Nigeria, the Philippines, Trinidad and Tobago and Venezuela. The Southeast Asian Fisheries Development Center (SEAFEC) is also participating.


Ends

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