Articles | Volume 18, issue 8
Biogeosciences, 18, 2649–2662, 2021
https://doi.org/10.5194/bg-18-2649-2021
Biogeosciences, 18, 2649–2662, 2021
https://doi.org/10.5194/bg-18-2649-2021

Research article 27 Apr 2021

Research article | 27 Apr 2021

Arctic aquatic graminoid tundra responses to nutrient availability

Christian G. Andresen and Vanessa L. Lougheed

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Cited articles

American Public Health Association: Standard methods for the examination of water and wastewater, 20th Edn., edited by: Rice, E. W., Baird, R. B., and Eaton, A. D., American Public Health Association, Washington, DC, 1998. 
Andresen, C.: Arctic aquatic graminoid tundra: soil, water, leaf, root chemistry and spectral data, Arctic Data Center [Dataset], available at: https://arcticdata.io/, last access: 20 April 2021. 
Andresen, C. G.: Monitoring and understanding decadal scale changes in hydrology, productivity and carbon balance in Arctic tundra ponds, University of Texas at El Paso, El Paso, Texas, USA, 2014. 
Andresen, C. G. and Lougheed, V. L.: Disappearing arctic tundra ponds: Fine-scale analysis of surface hydrology in drained thaw lake basins over a 65 year period (1948–2013), J. Geophys. Res., 120, 1–14, https://doi.org/10.1002/2014JG002778, 2015. 
Andresen, C. G., Lara, M. J., Tweedie, C. T., and Lougheed, V. L.: Rising plant-mediated methane emissions from arctic wetlands, Glob. Change Biol., 23, 1128–1139, https://doi.org/10.1111/gcb.13469, 2017. 
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Aquatic tundra plants dominate productivity and methane fluxes in the Arctic coastal plain. We assessed how environmental nutrient availability influences production of biomass and greenness of aquatic tundra. We found phosphorous to be the main nutrient limiting biomass productivity and greenness in Arctic aquatic grasses. This study highlights the importance of nutrient pools and mobilization between terrestrial–aquatic systems and their influence on regional carbon and energy feedbacks.
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