The private stocking of ornamental crayfish in garden ponds was discussed in previous studies. but there is a lack of detailed analysis for better understanding of this introduction pathway. The Czech Republic is one of leading EU countries in trade with ornamental crayfish and private garden ponds are popular among people. The crayfish keepers in the country were interviewed by self-... https://bookmarksaifi.com/story19588344/application-of-qvp-method-to-winter-precipitation-observation-based-on-polarimetric-radar