[Surveillance of imported schistosomiasis in non-endemic areas in Changshu City from 2006 to 2015].

Objective: To understand the situation of imported schistosomiasis in non-endemic areas along the Yangtze River in Changshu City, so as to provide the evidence for formulating and adjusting control measures.

Methods: The data of snails and schistosomiasis patients in Changshu City from 2006 to 2015 were collected and analyzed.

Results: Totally 1 650 residents of Changshu City were tested by serum tests from 2006 to 2015, and 35 cases were positive, with a positive rate of 2.

[Treatment and assistance for advanced schistosomiasis patients in Changshu City from 2006 to 2014].

Objective: To understand the status of treatment and assistance for advanced schistosomiasis patients in Changshu City from 2006 to 2014.

Methods: According to The Parasitic Disease Prevention Information Management System, the data of treatment and assistance for advanced schistosomiasis patients were collected and analyzed statistically in Changshu City from 2006 to 2014.

Results: A total of 269 advanced schistosomiasis patients were assisted.

[Survey on newly-developed advanced schistosomiasis patients in schistosomiasis transmission-interrupted areas].

Objective: To understand the status of newly-developed advanced schistosomiasis patients in schistosome transmission-interrupted areas.

Methods: The newly diagnosed advanced schistosomiasis patients confirmed by professionals at province and county levels according to the available standards were investigated. Their detailed epidemiology history and present signs/ symptoms were surveyed, and the relevant medical examinations were performed.

[Survey on historical Oncomelania snail environments in Changshu City].

The historical Oncomelania snail environments discovered since 1976 were surveyed in Changshu City, Jiangsu Province. There were 425 foci of historical snail environments that were discovered in 16 towns, the snail area was 124 893 m2. The transformation rates of historical snail environments and of the snail area were 76.

[Responses of subalpine meadow Poa botryoides to climate change].

Based on the field plot observation and related meteorological data, the effects of climate change in 1985-2005 on the growth and development of subalpine meadow Poa botryoides in Maqu County of Gansu Province were analyzed. The results showed that during study period, the annual precipitation in the Maqu County had a decreasing trend, with a rate of -9.895 mm x (10 a)(-1) and a cycle of 3 years, while the annual air temperature had an increasing trend, with a rate of 0.