On his VDU's blog, Dr. Ian Mackay posts on Taihu lake & influenza viruses Part II: people, pigs, poultry and migratory birds. Click through for the full post plus maps and links. Excerpt:
The figure below, from the Letter I talked about yesterday, published by Wang and colleagues in Emerging Infectious Diseases, Vol 19(11) shows the Lake Tai region.
To clarify, the paper talked about an area of high risk of infection. It did not specify whether the risk was due to exposure to poultry or wild birds. The issue of visiting LBMs and exposure to poultry and their excrement was secondary to the finding of overlapping regions of human cases and proposed region of greater risk.
Having said that, it appears (and these are all web sources so take them with a grain of chicken salt) that a domestic breed of pig and poultry may be farmed around this lake, one of China's largest fresh water bodies containing dozens of islands. Water quality and its levels algae and contaminating animal and human waster have also been issue for the lake, which supplies drinking water to approximately 30-million people in cities within Jiangsu and Zhejiang provinces.
Expansion of poultry farm seems to have been stopped, if not contracted, and better management of aquaculture and livestock and poultry wastes has been recommended.
However, wild waterfowl as well as duck and goose farms seem to remain around the lake according to China Travel and the maps at the bottom of this post. There seem to be monkeys and caves (bats?) too and as you would expect, this is also a thoroughfare and winter stopover for wild birds. It's also about 380km north-east of Poyang lake, another important wintering ground for wild waterbirds and one that is known to harbour influenza viruses.