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引用本文:彭硕. 中国外来动物物种组成及跨境风险[J]. 生物安全学报, .
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中国外来动物物种组成及跨境风险
彭硕
作者单位邮编
彭硕 中国农业大学植物保护学院 100193
摘要:
摘要:【目的】明确全球变化背景下我国外来动物物种的发生规律,进一步掌握我国生物入侵现状及发生动态。【方法】利用公开数据库等系统收集和整理了我国外来动物的物种组成、可利用性、原产地及国内分布地等信息。【结果】截至2020年,我国已有外来动物864种,隶属8门22纲93目292科591属,脊索动物门、节肢动物门、软体动物门是我国外来动物物种组成数量最多的3大类群。我国外来动物中,有益物种的数量多于有害物种的数量,还有少部分中性物种。不同分类阶元外来动物的可利用性不同,脊索动物门中有益物种的数量更多,节肢动物门中有害物种的数量更多。我国外来动物主要来源于亚洲、北美洲、欧洲,外来动物的国内分布与区域经济发展水平及对外交流程度相关,东南沿海地区数量多,西北内陆地区数量少,与他国相邻的广西和云南也有数量较多的外来动物。【结论】我国外来动物数量众多,组成多样,表现出不同的可利用性,其来源及分布表现出明显的空间格局,在全球变化背景下,应警惕外来物种的跨境入侵风险。
关键词:  生物入侵  外来动物  组成结构  分布格局  跨境风险
DOI:
基金项目:
相关附件:   附件1  万方20210328(6.81%)  附件1  附件2  附件1  附件2  附件1  附件2  附件3  附件4  附件5
The species composition of non-native animals and cross-border risk in China
彭硕
Abstract:
Abstract:【Aim】Under the background of global change, it is important to pay more attention to the occurrence of non-native animals so that we can have a further understanding of the current status of biological invasion in China. 【Method】Based on the public database and other documents, we collected and analyzed systematacially the detailed information including the taxonomy, the utilizability, the origin regions and the distribution areas of non-native animals in China.【Result】Totally 864 non-native animals were identified in China up to 2020, belonging to eight phylums, 22 classes, 93 orders, 292 families as well as 591 genera, of which Chordata, Arthropoda and Mollusca were the three main largest groups. Among all non-native animals, the number of “beneficial” non-native animals was larger than “harmful” non-native animals, also there were some non-native animals of “neutral” influence. The utilizability of non-native animals was different among different taxonomies, and most chordates were beneficial while most arthropods were harmful. The non-native animals of China mainly originated from Asia, North America and Europe. The domestic spatial distribution of non-native animals was related to the regional economic development and the cross-region communication, and there were more non-native animals in the southeastern coastal areas than the northwest inland areas. Also Guangxi and Yunnan played an important role of sharing species because of bordering multiple countries.【Conclusion】The non-native animals of China are of great number and of great diversity, appearing diverse utilizability as well as significant spatial pattern in the origin and distribution regions. So great vigilance should be enhanced to the cross-border risk of non-native species in such a global-changing environment.
Key words:  biological invasion  non-native animals  species composition  distribution pattern  cross-border risk