quang van le: it's important that farmers and government reduce their expectations. it is difficult for us to pay 10% extra. farmers and government should reduce their expectations from 10% to 5%. this is an important factor in expanding the sector. reporter: for the time being, only 1% of shrimp production qualifies for organic certification. these shrimp are destined for canada. 400,000 people in the region work in aquacultures. today the shrimp farmers are picking up free shrimp larvae, financed by the project. they and tan viet ho will be releasing them into the water, close to mangroves. it will take them five months to grow into black tiger shrimps. tan viet ho: the project helped me a lot. my wish is to receive continued support to make our lives and the lives of our neighbors better. more farmers should join the project. reporter: the snv project runs until mid-2016. by then, another 1300 shrimp farmers will have learned how to integrate their farms into the mangrove ecosystems. host: you can find out more on those shrimp farms in vietnam on our website. ther