Journal
KNOWLEDGE AND MANAGEMENT OF AQUATIC ECOSYSTEMS
Volume -, Issue 414, Pages -Publisher
EDP SCIENCES S A
DOI: 10.1051/kmae/2014019
Keywords
alien species; introduction pathway; ornamental animal; pond; release
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Funding
- Technology Agency of the Czech Republic [TD010045]
- CIGA [20132016]
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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-administered questionnaire to gather data about principal characteristics of the keepers and detailed information about crayfish breeding that are of interest for conservation managers. Besides of releasing crayfish into garden ponds, alarming illegal behavior such as releasing of juvenile crayfish into the wild, and capturing of indigenous crayfish from wild populations, were registered. Therefore focusing on public education to increase awareness of possible unwanted consequences of crayfish release and introduction of an obligation to inform customers about hazardousness of non-indigenous crayfish species for retailers and wholesalers is recommended.
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