Limnology articles within Nature Communications

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  • Article
    | Open Access

    Permafrost carbon feedback modeling has focused on gradual thaw of near-surface permafrost leading to greenhouse gas emissions that accelerate climate change. Here the authors show that deeper, abrupt thaw beneath lakes will more than double radiative forcing from permafrost-soil carbon fluxes this century.

    • Katey Walter Anthony
    • , Thomas Schneider von Deimling
    •  & Guido Grosse

  • Article
    | Open Access

    Methane emissions from lakes vary by orders of magnitude, leaving large uncertainty in regional and global carbon budgets. Here the authors show that phenols from forest litter act as a latch to suppress microbial activity and produce over 400-times less methane than the decomposition of aquatic plant litter.

    • E. J. S. Emilson
    • , M. A. Carson
    •  & A. J. Tanentzap

  • Article
    | Open Access

    The effect of Asian summer monsoon hydrological changes on key biogeochemical processes remains poorly understood. Here, using a suite of biomarkers, the authors reconstruct palaeohydrological conditions during the Holocene and show that the peatland carbon cycle is strongly sensitive to paleohydrological changes.

    • Xianyu Huang
    • , Richard D. Pancost
    •  & Shucheng Xie

  • Article
    | Open Access

    Arctic ecosystems are at threat due to the rapid nature of climate change and Arctic amplification. Here, the authors show that the watershed of Lake Hazen, the Arctic’s largest lake by volume, has undergone dramatic changes in response to as little as a ~1°C increase in summer air temperatures.

    • Igor Lehnherr
    • , Vincent L. St. Louis
    •  & Charles H. Talbot

  • Article
    | Open Access

    Species richness patterns are driven by biotic and abiotic factors, the relative strengths of which are unclear. Here, the authors test how species interactions or environmental traits influence fish richness across over 700 Canadian lakes, showing a surprisingly small role of negative interactions.

    • Andrew S. MacDougall
    • , Eric Harvey
    •  & Kevin S. McCann

  • Article
    | Open Access

    The magnitude of organic carbon burial in lakes and reservoirs is poorly constrained. Here, using a compilation of modern data from the literature and statistical modeling, the authors estimate a global yearly organic carbon burial of 0.15 Pg C in inland waters, of which 40% is stored in reservoirs.

    • Raquel Mendonça
    • , Roger A. Müller
    •  & Sebastian Sobek

  • Article
    | Open Access

    The contribution of methane (CH4) produced in oxic freshwaters to the global atmospheric CH4 budget is poorly constrained. Here, using a mass balance and in-situ incubations, the authors show that significant CH4 emissions are supported by CH4 produced in the oxic surface mixed layer in Lake Hallwil.

    • D. Donis
    • , S. Flury
    •  & D. F. McGinnis

  • Article
    | Open Access

    The question of how significant barite deposits were able to form from early Earth’s low-sulfate seas remains controversial. Here, the authors show pelagic barite precipitation within a strongly barite-undersaturated ecosystem, highlighting the importance of particle-associated microenvironments.

    • Tristan J. Horner
    • , Helena V. Pryer
    •  & Richard D. Ricketts

  • Article
    | Open Access

    The impacts of climate change on the Great Lakes’ ecosystems compared to historical records are unclear. Here, using paleolimnological evidence, the authors show that Lake Superior experienced a slow increase in productivity throughout the Holocene, but that this rate has increased in the last century.

    • M. D. O’Beirne
    • , J. P. Werne
    •  & E. D. Reavie

  • Article
    | Open Access

    Changes in penguin populations on the Antarctic Peninsula in recent decades have been linked to environmental factors such as sea ice. Here, the authors show that penguin colony change on Ardley Island, NW Antarctic Peninsula during the last 8,500 years was primarily driven by volcanic activity.

    • Stephen J. Roberts
    • , Patrick Monien
    •  & Dominic A. Hodgson

  • Article
    | Open Access

    Climate change can affect lake water level and nearby landscape. Korosi and colleagues show recent expansion of shallow lakes in the Canadian Northwest Territories is flooding critical habitat for the wood bison, and demonstrate the trickle-down effect of climate change on ecosystem functioning.

    • Jennifer B. Korosi
    • , Joshua R. Thienpont
    •  & Jules M. Blais

  • Article
    | Open Access

    Increased temperature and nutrient pollution are key features of anthropogenic change, but their dual effects on biodiversity remain unclear. Here Wanget al. conduct field experiments at two mountain elevation gradients to show that temperature and nutrients have independent and interactive effects on microbial diversity.

    • Jianjun Wang
    • , Feiyan Pan
    •  & Ji Shen

  • Article
    | Open Access

    Lakes play a key role in our ecosystems and thus it is vital to understand their distribution and volume. Here, the authors present a new global lake database (HydroLAKES) and develop a new geo-statistical model to show global lake area, shoreline length, water volume and hydraulic residence times.

    • Mathis Loïc Messager
    • , Bernhard Lehner
    •  & Oliver Schmitt

  • Article
    | Open Access

    Due to increasing disturbance of peatlands, Southeast Asian rivers are thought to play a major role in the transfer of CO2to the atmosphere. Here, the authors present data collected from six Indonesian and Malaysian rivers and show that the region is not an outgassing hotspot as previously assumed.

    • Francisca Wit
    • , Denise Müller
    •  & Tim Rixen

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