Applied Ecology Research Group, Department of Biology, Anglia Ruskin University, Cambridge, CB1 1PT, UK.
Biological Records Centre, NERC Centre for Ecology and Hydrology, Wallingford, Oxfordshire, OX10 8BB, UK.
Sci Data. 2018 Oct 23;5:180239. doi: 10.1038/sdata.2018.239.
Invasive alien species are widely recognized as one of the main threats to global biodiversity. Rapid flow of information on the occurrence of invasive alien species is critical to underpin effective action. Citizen science, i.e. the involvement of volunteers in science, provides an opportunity to improve the information available on invasive alien species. Here we describe the dataset created via a citizen science approach to track the spread of a well-studied invasive alien species, the harlequin ladybird Harmonia axyridis (Coleoptera: Coccinellidae) in Britain and Ireland. This dataset comprises 48 510 verified and validated spatio-temporal records of the occurrence of H. axyridis in Britain and Ireland, from first arrival in 2003, to the end of 2016. A clear and rapid spread of the species within Britain and Ireland is evident. A major reuse value of the dataset is in modelling the spread of an invasive species and applying this to other potential invasive alien species in order to predict and prevent their further spread.
入侵外来物种被广泛认为是全球生物多样性的主要威胁之一。快速获取入侵外来物种发生情况的信息对采取有效行动至关重要。公民科学，即志愿者参与科学研究，为提供更多关于入侵外来物种的信息提供了机会。本文通过公民科学方法来描述数据集，以追踪一种研究充分的入侵外来物种——异色瓢虫 Harmonia axyridis（鞘翅目：瓢虫科）在英国和爱尔兰的传播情况。该数据集包括 2003 年首次传入英国和爱尔兰，至 2016 年底，共 48510 份经核实和验证的 H. axyridis 发生时空记录。明显且迅速的物种传播在英国和爱尔兰境内可见。该数据集的一个主要重用价值在于模拟入侵物种的传播，并将其应用于其他潜在的入侵外来物种，以预测和防止其进一步传播。
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