ArticleParasites & vectors2014
Identification of optimum scopes of environmental factors for snails using spatial analysis techniques in Dongting Lake Region, China.
Article in Parasites & vectors, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed.
- Identification of optimum scopes of environmental drivers for schistosome-transmittingParasitology · 2024Article
- Three Gorges Dam: Potential differential drivers and trend in the spatio-temporal evolution of the change in snail density based on a Bayesian spatial-temporal model and 5-year longitudinal study.Parasites & vectors · 2023Article
- Identifying determinants for the seropositive rate of schistosomiasis in Hunan province, China: A multi-scale geographically weighted regression model.PLoS neglected tropical diseases · 2023Article
- Impact of micro-environmental factors on survival, reproduction and distribution of Oncomelania hupensis snails.Infectious diseases of poverty · 2021Review
- Current Status of Schistosomiasis Control and Prospects for Elimination in the Dongting Lake Region of the People's Republic of China.Frontiers in immunology · 2020Review
- Data mining and machine learning approaches for prediction modelling ofInternational journal of machine learning and cybernetics · 2020Article
- Identification of Potential High-Risk Habitats within the Transmission Reach of Oncomelania hupensis after Floods Based on SAR Techniques in a Plane Region in China.International journal of environmental research and public health · 2017Article
- Impact of the Three Gorges project on ecological environment changes and snail distribution in Dongting Lake area.PLoS neglected tropical diseases · 2017Article
- Village-based spatio-temporal cluster analysis of the schistosomiasis risk in the Poyang Lake Region, China.Parasites & vectors · 2017Article
- Multi-host model and threshold of intermediate host Oncomelania snail density for eliminating schistosomiasis transmission in China.Scientific reports · 2016Article
- Three Gorges Dam: Impact of Water Level Changes on the Density of Schistosome-Transmitting Snail Oncomelania hupensis in Dongting Lake Area, China.PLoS neglected tropical diseases · 2015Article
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12 authors.
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Abstract
backgroundOwing to the harmfulness and seriousness of Schistosomiasis japonica in China, the control and prevention of S. japonica transmission are imperative. As the unique intermediate host of this disease, Oncomelania hupensis plays an important role in the transmission. It has been reported that the snail population in Qiangliang Lake district, Dongting Lake Region has been naturally declining and is slowly becoming extinct. Considering the changes of environmental factors that may cause this phenomenon, we try to explore the relationship between circumstance elements and snails, and then search for the possible optimum scopes of environmental factors for snails.
methodsMoisture content of soil, pH, temperature of soil and elevation were collected by corresponding apparatus in the study sites. The LISA statistic and GWR model were used to analyze the association between factors and mean snail density, and the values in high-high clustered areas and low-low clustered areas were extracted to find out the possible optimum ranges of these elements for snails.
resultsA total of 8,589 snail specimens were collected from 397 sampling sites in the study field. Besides the mean snail density, three environmental factors including water content, pH and temperature had high spatial autocorrelation. The spatial clustering suggested that the possible optimum scopes of moisture content, pH, temperature of the soil and elevation were 58.70 to 68.93%, 6.80 to 7.80, 22.73 to 24.23°C and 23.50 to 25.97 m, respectively. Moreover, the GWR model showed that the possible optimum ranges of these four factors were 36.58 to 61.08%, 6.541 to 6.89, 24.30 to 25.70°C and 23.50 to 29.44 m, respectively.
conclusionThe results indicated the association between snails and environmental factors was not linear but U-shaped. Considering the results of two analysis methods, the possible optimum scopes of moisture content, pH, temperature of the soil and elevation were 58.70% to 68.93%, 6.6 to 7.0, 22.73°C to 24.23°C, and 23.5 m to 26.0 m, respectively. The findings in this research will help in making an effective strategy to control snails and provide a method to analyze other factors.
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