Pedro Henrique Menini Custodio, Thaiane Cantarino Costa, Nathália da Silva Resende, Lucas Rieger de Oliveira, Lucas Vieira Lima, Simone Jaqueline Cardoso
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引用次数: 0
摘要
Mesocyclops ogunnus(桡足纲,环口目)原产于非洲和亚洲,现已成为巴西淡水中的入侵物种,由于其在富营养化透水生态系统中的定殖能力,引起了人们的关注。它们的高繁殖率和传播率,加上产生抗性卵,对本地物种的栖息地构成了巨大威胁,可能导致生态位重叠和迁移。在这里,我们使用了一个全面的数据集,包括 GBIF 记录和系统的文献综述,通过物种分布模型方法来评估该物种目前在巴西的适宜区域。我们的最终数据集包括非洲和亚洲原生地的 136 个数据点和巴西入侵区的 238 个数据点。SDM 模型显示,在巴拉那河流域、亚马逊河流域的主要河道和旧金山河上都有新的潜在适合 M. ogunnus 殖民的地区。这些发现强调了预测建模在确定 M. ogunnus 可能出现的区域方面的重要性,为减轻其传播和生态影响的管理策略奠定了基础。
Potential areas of occurrence for an invasive copepod in Brazil: a species distribution model approach
Mesocyclops ogunnus (Copepoda, Cyclopoida), originally from Africa and Asia, is now invasive species in Brazilian freshwaters, raising concerns due to its capacity to colonize eutrophic lentic ecosystems. Their high reproduction and dispersal rates, coupled with the production of resistance eggs, pose a significant threat to the habitats of native species by potentially leading to niche overlap and displacement. Here, we used a comprehensive dataset, including GBIF records and a systematic literature review, to assess current suitable areas for the species in Brazil through a species distribution model approach. Our final dataset encompasses 136 data points for the native range in Africa and Asia and 238 data points for the invaded area in Brazil. The SDM’s models showed new potentially suitable areas for M. ogunnus colonization across the Paraná River Basin, the main watercourses of the Amazon River Basin, and the San Francisco River. These findings underscore the importance of predictive modeling in identifying potential areas of occurrence for M. ogunnus, providing a foundation for management strategies to mitigate its spread and ecological impact.
期刊介绍:
Hydrobiologia publishes original research, reviews and opinions regarding the biology of all aquatic environments, including the impact of human activities. We welcome molecular-, organism-, community- and ecosystem-level studies in contributions dealing with limnology and oceanography, including systematics and aquatic ecology. Hypothesis-driven experimental research is preferred, but also theoretical papers or articles with large descriptive content will be considered, provided they are made relevant to a broad hydrobiological audience. Applied aspects will be considered if firmly embedded in an ecological context.