globalchange  > 气候变化与战略
DOI: 10.1073/pnas.1913598117
论文题名:
Declines in an abundant aquatic insect; the burrowing mayfly; across major North American waterways
作者: Stepanian P.M.; Entrekin S.A.; Wainwright C.E.; Mirkovic D.; Tank J.L.; Kelly J.F.
刊名: Proceedings of the National Academy of Sciences of the United States of America
ISSN: 0027-8424
出版年: 2020
卷: 117, 期:6
起始页码: 2987
结束页码: 2992
语种: 英语
英文关键词: Bioflow ; Ecotone ; Emergence ; Ephemeroptera ; Radar entomology
Scopus关键词: article ; biomass ; ecotone ; entomology ; Ephemeroptera ; Mississippi ; nonhuman ; nutrient cycling ; quantitative analysis ; river ; telecommunication ; trophic level ; animal ; animal dispersal ; ecosystem ; Ephemeroptera ; female ; growth, development and aging ; male ; physiology ; population dynamics ; Animal Distribution ; Animals ; Biomass ; Ecosystem ; Ephemeroptera ; Female ; Male ; Mississippi ; Population Dynamics
英文摘要: Seasonal animal movement among disparate habitats is a fundamental mechanism by which energy, nutrients, and biomass are transported across ecotones. A dramatic example of such exchange is the annual emergence of mayfly swarms from freshwater benthic habitats, but their characterization at macroscales has remained impossible. We analyzed radar observations of mayfly emergence flights to quantify long-term changes in annual biomass transport along the Upper Mississippi River and Western Lake Erie Basin. A single emergence event can produce 87.9 billion mayflies, releasing 3,078.6 tons of biomass into the airspace over several hours, but in recent years, production across both waterways has declined by over 50%. As a primary prey source in aquatic and terrestrial ecosystems, these declines will impact higher trophic levels and environmental nutrient cycling. © 2020 National Academy of Sciences. All rights reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/164333
Appears in Collections:气候变化与战略

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作者单位: Stepanian, P.M., Department of Biology, University of Oklahoma, Norman, OK 73019, United States, Corix Plains Institute, University of Oklahoma, Norman, OK 73019, United States, Department of Civil and Environmental Engineering and Earth Sciences, University of Notre Dame, Notre Dame, IN 46556, United States; Entrekin, S.A., Department of Entomology, Virginia Tech, Blacksburg, VA 24060, United States; Wainwright, C.E., Department of Civil and Environmental Engineering and Earth Sciences, University of Notre Dame, Notre Dame, IN 46556, United States; Mirkovic, D., Cooperative Institute for Mesoscale Meteorological Studies, University of Oklahoma, Norman, OK 73072, United States; Tank, J.L., Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, United States; Kelly, J.F., Department of Biology, University of Oklahoma, Norman, OK 73019, United States, Corix Plains Institute, University of Oklahoma, Norman, OK 73019, United States

Recommended Citation:
Stepanian P.M.,Entrekin S.A.,Wainwright C.E.,et al. Declines in an abundant aquatic insect; the burrowing mayfly; across major North American waterways[J]. Proceedings of the National Academy of Sciences of the United States of America,2020-01-01,117(6)
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