Success Stories In Asian Aquaculture - Library - Network of ...

176 J. Liu and Z. LiProduction (x 1000 t)180160140120100806040200SturgeonC. catfishTilapia1997 1998 1999 2000 2001 2002 2003 2004 2005 2006120010008006004002000Tilapia Production (x 1000 t)Fig. 9.2 Trends in production of three exotic finfish species in ChinaFig. 9.3 The percent contribution to global aquaculture production of three exotic species in Chinathrough the provision of a new commodity in the market place, thereby inducingother countries, particularly in those where such species occur naturally.The spatial distribution of inland aquaculture based on exotic species is very distinct.This aspect is best exemplified by considering the geographic distribution of aquacultureof such species/species groups, based on 2006 production of red swamp crayfishand channel catfish (Fig. 9.4 ). It is evident that most of the aquaculture practices ofexotic species in China occur in southern and central China, and are based on tropicaland sub-tropical species, certain provinces leading such production.Tilapias is one of the earliest exotic species groups introduced into China.More than eight species of tilapia were introduced into China (Li et al. 2007) , and