RISC Non-Native Species Records for Zebra Mussel

Recording Invasive Species Counts (www.nonnativespecies.org/recording/) was launched in 2010 and includes on-line recording for 19 species including: Zebra mussel, Dreissena polymorpha https://secure.fera.defra.gov.uk/nonnativespecies/factsheet/factsheet.cfm?speciesId=1250 The data is predominantly provided by members of the public but records are verified from photos by designated experts. The recording form includes the option to provide abundance and whether the individual is dead or alive (or unknown).

《入侵物种计数记录》（www.nonnativespecies.org/recording/）于2010年启动，涵盖19个物种的在线记录，包括斑马贻贝（Zebra mussel，Dreissena polymorpha），详情见https://secure.fera.defra.gov.uk/nonnativespecies/factsheet/factsheet.cfm?speciesId=1250。数据主要由公众提供，但记录需经指定专家通过照片核实。记录表单包含填写数量以及个体存活状态（存活、死亡或未知）的选项。