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Investigate methane emissions from temperate semi-intensive carp ponds and their implications for the carbon cycle.

December 6, 2018Aquaculture Environment Interactions29 citationsOpen Access

Diffusive methane emissions from temperate semi-intensive carp ponds

MRMarcellin RutegwaUniversity of Kigali RGRadek GebauerSewanee: The University of the South LVLukáš VeselýUniversity of South Bohemia in České Budějovice

Key Points

Investigate methane emissions from temperate semi-intensive carp ponds and their implications for the carbon cycle.
Analyzed methane concentrations in temperate carp ponds compared to other freshwater systems.
Examined carbon cycling roles of smaller artificial water bodies like fish ponds.
Detected significant methane emissions from carp ponds contributing to the global carbon cycle.
Highlighted a gap in data regarding smaller artificial water bodies and their emissions.

Abstract

Globally averaged atmospheric methane (CH 4 ) concentration has increased from approximately 650 to 1810 ppb since the pre-industrial era (Saunois et al. 2016). Freshwater environments play an important role in the global carbon cycle (Cole et al. 2007, Battin et al. 2008), and recent CH 4 global emissions surveys from freshwater ecosystems have shown that natural lakes, man-made reservoirs, and river systems, especially in tropical areas, are significant sources of CH 4 emissions to the atmosphere (Bastviken et al. 2011, Borges et al. 2015b). Data from smaller artificial water bodies used for aquaculture are scarce, yet small natural lakes, reservoirs, and fishponds play an important role in carbon cycling (Downing 2010, Abnizova et al. 2012).

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