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Carbon Storage

Lakes and wetlands are overlooked components of regional and global carbon cycling, but in water-rich regions such as Wisconsin's Northern Highland Lake District, these ecosystems can store over 80% of the organic carbon despite covering less than 35% of the landscape.

Buffam, I., M.G. Turner, A.R. Desai, P.C. Hanson, J.A. Rusak, N.R. Lottig, E.H. Stanley and S.R. Carpenter. 2011. Integrating aquatic and terrestrial components to construct a complete carbon budget for a north temperate lake district. Global Change Biology 17: 1193-1211.
Cardille, J. A., S. R. Carpenter, J. A. Foley, P. C. Hanson, M. G. Turner, and J. A. Vano. 2009. Climate change and lakes: Estimating sensitivities of water and carbon budgets, Journal of Geophysical Research-Biogeosciences, 114, G03011. doi:03010.01029/02008jg000891.
Cole, J.J., N.F. Caraco, G.W. Kling, and T.K. Kratz. 1994. Carbon dioxide supersaturation in surface waters of lakes. Science 265:1568-1570.
Dr. Emily Stanley
Illustration of spatial variation of the landscape in terms of land cover (a), carbon storage (b) and CO2 exchange with the atmosphere (c) for an 18 x 18 km region around the Trout Lake Field Station, Wisconsin. Positive values of CO2 exchange denote movement of CO2 from the landscape into the atmosphere (CO2 source); negative values, flux from atmosphere into landscape (CO2 sink). Highest rates of C storage and positive areas of CO2 closely match lake and wetland cover in the Northern Highland Lake District.
Buffam et al. (2011)



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