The International Symposium on Stock Enhancement & Searanching


Welcome to the International Symposium on Stock Enhancement and Sea Ranching website. The ISSESR series began in Norway in 1997. The series was stimulated by continuing concern over the decline of fisheries, coupled with emerging technologies in marine aquaculture and new efforts to quantify the effects of stocking aquacultured organisms into the sea. These symposia, which are held every 4 to 5 years, have connected scientists and others interested in the efficacy of using aquaculture to help sustain, replenish, enhance or investigate exploited fish and invertebrate populations.

The 5th International Symposium on Stock Enhancement and Sea Ranching! The 5th ISSESR will be held in Sydney, Australia in October 2015. 

The Proceedings from the 4th International Sysmposium on Stock Enhancement and Sea Ranching were published in in the Journal Reviews in Fisheries Science Volume 21, Issue 3-4

The web site for the 5th ISSESR is now active. A call for abstracts will be made during the first week of March 2015. click here for information about the fifth symposium in this series.


The International Symposium on Stock Enhancement and Sea Ranching -- At a Glance

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Many of the world's marine fisheries no longer yield the benefits they once did, due to over fishing and degradation of the supporting ecosystems. Governments are responding to the fisheries crisis by reducing fishing efforts and protecting fisheries habitats. However, fisheries managers are also asking whether the advances in aquaculture, that now enable juveniles of many species to be produced en masse, can be applied to speed up recovery of some stocks, or increase the production of others.

The ISSESR symposiums have been hosted by Norway (1997), Japan (2002), the USA (2006) and China (2011); Australia will host the next one. More Background on this symposium series can be accessed here.

We invite you to join us also in Sydney, at the Fifth International Symposium in this series, where the latest science and knowledge about the effects and effectiveness of stock enhancement and sea ranching will be presented.