Чисельності земноводних Закарпатської низовини та передгіря.pdf
uploaded by: knieps
conditioned by abiotical and biotical factors of environment were noted in different types of reservoirs. It was discovered that due to the seasonal changes there are two maximum invasion rates of a pond snail that take place in June and September. Key words: Lymnaea stagnalis, cercariae, trematode fauna, invasion.
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