Distribution of Oncomelania snails in marshland of Changsha section of Xiang River,2003-2007 / 中国血吸虫病防治杂志
Chinese Journal of Schistosomiasis Control
;
(6)1989.
Artículo
en Chino
| WPRIM
| ID: wpr-563356
ABSTRACT
Objective To investigate the distribution and quantitative changes in each marshland of Changsha section of the Xiang River and evaluate the effectiveness of snail control in recent years.Methods A snail survey was carried out by using the systematic and environmental sampling method for 5 years.Results Twenty-four marshlands were investigated continuously from 2003 to 2007.The number of marshland with snails accounted for 77.8%,66.7%,70.8%,75.0% and 62.5% of the each investigated year,respectively.The total number of marshlands with snails were 20 that accounted for 83.3% of all marshlands investigated over the five years.The number of snails and the rate of living snails were different in each marshland,but the downward trend was significant(P
Texto completo:
Disponible
Índice:
WPRIM (Pacífico Occidental)
Idioma:
Chino
Revista:
Chinese Journal of Schistosomiasis Control
Año:
1989
Tipo del documento:
Artículo
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