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Int. J. Environ. Res. Public Health 2014, 11(6), 6571-6585; doi:10.3390/ijerph110606571
Article

Identifying Determinants of Oncomelania hupensis Habitats and Assessing the Effects of Environmental Control Strategies in the Plain Regions with the Waterway Network of China at the Microscale

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Received: 21 March 2014; in revised form: 4 June 2014 / Accepted: 5 June 2014 / Published: 23 June 2014
(This article belongs to the Special Issue Environmental Determinants of Infectious Disease Transmission)
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Abstract: This study aims to identify the landscape ecological determinants related to Oncomelania hupensis distribution, map the potential high risk of O. hupensis habitats at the microscale, and assess the effects of two environmental control strategies. Sampling was performed on 242 snail sites and 726 non-snail sites throughout Qianjiang City, Hubei Province, China. An integrated approach of landscape pattern analysis coupled with multiple logistic regression modeling was applied to investigate the effects of environmental factors on snail habitats. The risk probability of snail habitats positively correlated with patch fractal dimension (FD), paddy farm land proportion, and wetness index but inversely correlated with categorized normalized difference vegetation index (NDVI) and elevation. These findings indicate that FD can identify irregular features (e.g., irrigation ditches) in plain regions and that a moderate NDVI increases the microscale risk probability. Basing on the observed determinants, we predicted a map showing high-risk areas of snail habitats and simulated the effects of conduit hardening and paddy farming land rotation to dry farming land. The two approaches were confirmed effective for snail control. These findings provide an empirical basis for health professionals in local schistosomiasis control stations to identify priority areas and promising environmental control strategies for snail control and prevention.
Keywords: Schistosoma japonicum; Oncomelania hupensis; landscape pattern analysis; environmental determinant; plain regions with waterway network; geographic information systems; microscale Schistosoma japonicum; Oncomelania hupensis; landscape pattern analysis; environmental determinant; plain regions with waterway network; geographic information systems; microscale
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Qiu, J.; Li, R.; Xu, X.; Yu, C.; Xia, X.; Hong, X.; Chang, B.; Yi, F.; Shi, Y. Identifying Determinants of Oncomelania hupensis Habitats and Assessing the Effects of Environmental Control Strategies in the Plain Regions with the Waterway Network of China at the Microscale. Int. J. Environ. Res. Public Health 2014, 11, 6571-6585.

AMA Style

Qiu J, Li R, Xu X, Yu C, Xia X, Hong X, Chang B, Yi F, Shi Y. Identifying Determinants of Oncomelania hupensis Habitats and Assessing the Effects of Environmental Control Strategies in the Plain Regions with the Waterway Network of China at the Microscale. International Journal of Environmental Research and Public Health. 2014; 11(6):6571-6585.

Chicago/Turabian Style

Qiu, Juan; Li, Rendong; Xu, Xingjian; Yu, Chuanhua; Xia, Xin; Hong, Xicheng; Chang, Bianrong; Yi, Fengjia; Shi, Yuanyuan. 2014. "Identifying Determinants of Oncomelania hupensis Habitats and Assessing the Effects of Environmental Control Strategies in the Plain Regions with the Waterway Network of China at the Microscale." Int. J. Environ. Res. Public Health 11, no. 6: 6571-6585.


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