ArticleParasites & vectors2025
Decoding the impact of environmental shifts on snail density dynamics in the Yangtze River basin: a 26-year study.
Article in Parasites & vectors, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Neglected Tropical Diseases Elimination in the Philippines: Challenges and Gaps.Tropical medicine and infectious disease · 2026Review
- Automated real-time surveillance of Bithynia snails using a comparative YOLO based approach for liver fluke host detection.Scientific reports · 2026Article
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17 authors.
Funding
Abstract
backgroundWith the intensification of climate change and human engineering activities, environmental changes have affected schistosome-transmitting snails. This study explored the influence of environmental changes on the evolution of snail populations.
methodsData from annual snail surveys and related factors such as hydrology, temperature, vegetation, etc., on nine bottomlands from 1997 to 2022 were collected retrospectively from multiple sources. Interpretable machine learning and the Bayesian spatial-temporal model assessed the relationship between environmental change and snail density.
resultsBetween 1997 and 2003, mean snail density was in a high-level fluctuation stage. From 2003 to 2012, it declined significantly from 0.773/0.1 m
conclusionsThe TGD lowered the water level and flooding duration, which were not conducive to snail population growth. However, over time, the inhibitory effect of the TGD on snails may have been weakening, especially in areas far from the TGD. In recent years, the rebound of snail density may have been related to the rise in water levels and the change in the microenvironment. Establishing an efficient monitoring and response system is crucial for precisely controlling snails.
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