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Invasion impacts on functions and services of aquatic ecosystems
Hydrobiologia ( IF 2.6 ) Pub Date : 2020-03-04 , DOI: 10.1007/s10750-020-04211-3
Peter J. Flood , Alain Duran , Mark Barton , Alex E. Mercado-Molina , Joel C. Trexler

Non-native species can simultaneously affect ecological structures, functions, and services of the invaded ecosystem. In this paper, we report that the study of non-native species impacts on ecosystem function is an emerging topic in aquatic ecology, though studies measuring functions remain relatively uncommon. We hypothesized that study of ecosystem function can reveal emergent effects of non-native species when community structure appears to be unimpacted and the study of multiple functions has the potential to identify impacts masked by food-web complexity. We compiled information from Web of Science to create a pool of papers ( n = 199) addressing ecosystem functions and services that we surveyed to evaluate our hypotheses. The number of publications referencing ecosystem function has increased since 2002, but only 10% of papers measured ecosystem functions as defined in our work. Additionally, 80% of publications reporting functional metrics addressed primary production and nutrient fluxes, while a low number of manuscripts (6%) directly linked the impact of non-native species on ecosystem functions to ecosystem services. We recommend future work focus on less-studied functions (e.g., bioturbation, decay rate, biomagnification), assess multiple functional metrics, link functions to services, and use networks to understand impacts from multiple dimensions of an invaders ecology.

中文翻译:

入侵对水生生态系统功能和服务的影响

非本地物种可以同时影响入侵生态系统的生态结构、功能和服务。在本文中,我们报告了非本地物种对生态系统功能影响的研究是水生生态学中的一个新兴主题,尽管测量功能的研究仍然相对不常见。我们假设,当群落结构似乎未受影响时,生态系统功能研究可以揭示非本地物种的紧急影响,并且对多种功能的研究有可能确定被食物网复杂性掩盖的影响。我们收集了来自 Web of Science 的信息以创建一个论文库 (n = 199),这些论文涉及我们调查的生态系统功能和服务,以评估我们的假设。涉及生态系统功能的出版物数量自 2002 年以来有所增加,但只有 10% 的论文测量了我们工作中定义的生态系统功能。此外,80% 的报告功能指标的出版物涉及初级生产和养分通量,而少数手稿 (6%) 将非本地物种对生态系统功能的影响与生态系统服务直接联系起来。我们建议未来的工作侧重于研究较少的功能(例如,生物扰动、衰减率、生物放大),评估多种功能指标,将功能与服务联系起来,并使用网络来了解入侵者生态的多个维度的影响。而少数手稿 (6%) 将非本地物种对生态系统功能的影响与生态系统服务直接联系起来。我们建议未来的工作侧重于研究较少的功能(例如,生物扰动、衰减率、生物放大),评估多种功能指标,将功能与服务联系起来,并使用网络来了解入侵者生态的多个维度的影响。而少数手稿 (6%) 将非本地物种对生态系统功能的影响与生态系统服务直接联系起来。我们建议未来的工作侧重于研究较少的功能(例如,生物扰动、衰减率、生物放大),评估多种功能指标,将功能与服务联系起来,并使用网络来了解入侵者生态的多个维度的影响。
更新日期:2020-03-04
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