@misc{TangMcGinnisIonescuetal.2016,
  author    = {Tang, Kam W. and McGinnis, Daniel F. and Ionescu, Danny and Großart, Hans-Peter},
  title     = {Methane Production in Oxic Lake Waters Potentially Increases Aquatic Methane Flux to Air},
  series = {Physical chemistry, chemical physics : a journal of European Chemical Societies},
  volume    = {3},
  journal   = {Physical chemistry, chemical physics : a journal of European Chemical Societies},
  publisher = {American Chemical Society},
  address   = {Washington},
  issn      = {2328-8930},
  doi       = {10.1021/acs.estlett.6b00150},
  pages     = {227 -- 233},
  year      = {2016},
  abstract  = {Active methane production in oxygenated lake waters challenges the long-standing paradigm that microbial methane production occurs only under anoxic conditions and forces us to rethink the ecology and environmental dynamics of this powerful greenhouse gas. Methane production in the upper oxic water layers places the methane source closer to the air water interface, where convective mixing and microbubble detrainment can lead to a methane efflux higher than that previously assumed. Microorganisms may produce methane in oxic environments by being equipped with enzymes to counteract the effects of molecular oxygen during methanogenesis or using alternative pathways that do not involve oxygen-sensitive enzymes. As this process appears to be influenced by thermal stratification, water transparency, and primary production, changes in lake ecology due to climate change will alter methane formation in oxic water layers, with far-reaching consequences for methane flux and climate feedback.},
  language  = {en}
}
@misc{RevereyGrossartPremkeetal.2016,
  author    = {Reverey, Florian and Großart, Hans-Peter and Premke, Katrin and Lischeid, Gunnar},
  title     = {Carbon and nutrient cycling in kettle hole sediments depending on hydrological dynamics: a review},
  series = {Hydrobiologia : acta hydrobiologica, hydrographica, limnologica et protistologica},
  volume    = {775},
  journal   = {Hydrobiologia : acta hydrobiologica, hydrographica, limnologica et protistologica},
  publisher = {Springer},
  address   = {Dordrecht},
  issn      = {0018-8158},
  doi       = {10.1007/s10750-016-2715-9},
  pages     = {1 -- 20},
  year      = {2016},
  abstract  = {Kettle holes as a specific group of isolated, small lentic freshwater systems (LFS) often are (i) hot spots of biogeochemical cycling and (ii) exposed to frequent sediment desiccation and rewetting. Their ecological functioning is greatly determined by immanent carbon and nutrient transformations. The objective of this review is to elucidate effects of a changing hydrological regime (i.e., dry-wet cycles) on carbon and nutrient cycling in kettle hole sediments. Generally, dry-wet cycles have the potential to increase C and N losses as well as P availability. However, their duration and frequency are important controlling factors regarding direction and intensity of biogeochemical and microbiological responses. To evaluate drought impacts on sediment carbon and nutrient cycling in detail requires the context of the LFS hydrological history. For example, frequent drought events induce physiological adaptation of exposed microbial communities and thus flatten metabolic responses, whereas rare events provoke unbalanced, strong microbial responses. Different potential of microbial resilience to drought stress can irretrievably change microbial communities and functional guilds, gearing cascades of functional responses. Hence, dry-wet events can shift the biogeochemical cycling of organic matter and nutrients to a new equilibrium, thus affecting the dynamic balance between carbon burial and mineralization in kettle holes.},
  language  = {en}
}
@misc{GrossartRojasJimenez2016,
  author    = {Großart, Hans-Peter and Rojas-Jimenez, Keilor},
  title     = {Aquatic fungi: targeting the forgotten in microbial ecology},
  series = {Current opinion in microbiology},
  volume    = {31},
  journal   = {Current opinion in microbiology},
  publisher = {Elsevier},
  address   = {London},
  issn      = {1369-5274},
  doi       = {10.1016/j.mib.2016.03.016},
  pages     = {140 -- 145},
  year      = {2016},
  abstract  = {Fungi constitute important and conspicuous components of aquatic microbial communities, but their diversity and functional roles remain poorly characterized. New methods and conceptual frameworks are required to accurately describe their ecological roles, involvement in global cycling processes, and utility for human activities, considering both cultivation independent techniques as well as experiments in laboratory and in natural ecosystems. Here we highlight recent developments and extant knowledge gaps in aquatic mycology, and provide a conceptual model to expose the importance of fungi in aquatic food webs and related biogeochemical processes.},
  language  = {en}
}