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Managing native and non-native sea lamprey (Petromyzon marinus) through anthropogenic change: A prospective assessment of key threats and uncertainties
Journal of Great Lakes Research ( IF 2.2 ) Pub Date : 2020-09-01 , DOI: 10.1016/j.jglr.2020.08.015
John B. Hume , Pedro R. Almeida , Connor M. Buckley , Lori A. Criger , Charles P. Madenjian , Kelly F. Robinson , Christina J. Wang , Andrew M. Muir

Abstract Sea lamprey (Petromyzon marinus) is a species of conservation concern in their native range of the Atlantic coasts of Europe (Near Threatened to Critically Endangered) and North America (Secure to Critically Imperiled), and an invasive species of great economic and ecological concern in the Laurentian Great Lakes. Despite differences in life history strategy (anadromous natives vs adfluvial non-natives), the biology of sea lamprey is sufficiently similar to expect comparable responses to large-scale environmental change. We take a prospective look at the future (50 to 100 years) of sea lamprey management in an era of considerable environmental disturbance, and consider biological responses, management actions, and the future status of populations across the native and non-native ranges. Based on facilitated discussion by a diverse group of international experts, two major but poorly characterized classes of threats to sea lamprey were identified: climate change and socio-political issues. We discuss how climate induced changes affect growth, bioenergetics, and phenology of sea lamprey, and associated effects on control tactics (pesticides and barriers) and conservation. We consider tensions surrounding improving connectivity in the Great Lakes while controlling invasive sea lamprey, and discuss supplements and alternatives to pesticides and their wider effect, as well as the effects of new invasive species. To prevent the extirpation of native sea lamprey populations, or the re-expansion of non-native populations, we conclude with a call for new and ongoing dialogue and collaboration among all sea lamprey biologists and managers across the native and non-native range.

中文翻译:

通过人为变化管理本地和非本地海七鳃鳗(Petromyzon marinus):对主要威胁和不确定性的前瞻性评估

摘要 海七鳃鳗 (Petromyzon marinus) 是欧洲大西洋沿岸(近危至极危)和北美(安全至极危)的原生范围内受保护的物种,是一种具有重大经济和生态问题的入侵物种。在劳伦森五大湖。尽管生活史策略存在差异(溯河本地人和非本地人),海七鳃鳗的生物学非常相似,可以预期对大规模环境变化的类似反应。我们前瞻性地审视了在环境受到严重干扰的时代,海七鳃鳗管理的未来(50 到 100 年),并考虑了本地和非本地范围内的生物反应、管理行动以及种群的未来状况。根据不同国际专家组的协助讨论,确定了对海七鳃鳗的两大类主要但特征不清的威胁:气候变化和社会政治问题。我们讨论气候引起的变化如何影响海七鳃鳗的生长、生物能量学和物候学,以及对控制策略(杀虫剂和屏障)和保护的相关影响。我们考虑了在控制入侵海七鳃鳗的同时改善五大湖地区连通性的紧张局势,并讨论了杀虫剂的补充剂和替代品及其更广泛的影响,以及新入侵物种的影响。为防止本地海七鳃鳗种群灭绝,或非本地种群重新扩张,
更新日期:2020-09-01
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