中文摘要：

利用2012年6月和8月南京农业大学组织的对江苏省泰州、南通和无锡的入户调查数据，研究探讨水产养殖者选择不同销售渠道的主要决定因素以及现代销售渠道对水产养殖收益的影响。结果表明，鱼塘面积较大、加入合作组织的农户会更加容易选择现代流通渠道，即水产品的现代流通渠道往往设置了养殖规模门槛，有可能将小规模水产养殖者排除在现代流通渠道之外，但通过水产专业合作社等方式提高组织化程度后，增加了小规模养殖者加入现代水产销售渠道的可能性；在消除异方差影响后，回归分析发现，加入现代流通渠道明显增加了水产养殖者的亩均收益。

英文摘要：

The study used survey data conducted in Taizhou, Nantong and Wuxi of Jiangsu Province in June and August of 2012 to analyze the deciding factors of small aquatic farmers participating in modem marketing channel as well as the impacts on aquatic farmers＂ profits. The results showed that those who had bigger size aquatic farms were more possible to choose modem marketing channel. In another words, those small aquatic farmers were probably excluded from modem marketing channel But cooperatives helped small aquatic farmers got the good chance to join in the modem marketing channel. On the condition of getting rid of heteroscedasticity, the regression results showed that the modem marketing channel had significant impacts on unit profit of aquatic farmers.