Wetlands as energy-dissipating systems

0369505 - ÚVGZ 2012 RIV DE eng J - Journal Article
Pokorný, J. - Květ, Jan - Rejšková, A. - Brom, J.
Wetlands as energy-dissipating systems.
Journal of Industrial Microbiology & Biotechnology. Roč. 37, č. 12 (2010), s. 1299-1305. ISSN 1367-5435. E-ISSN 1476-5535
Institutional research plan: CEZ:AV0Z60870520
Keywords : wetlands * vegetation * energy fluxes * primary production * landscape management
Subject RIV: EF - Botanics
Impact factor: 2.416, year: 2010
http://www.springerlink.com/content/y5t4750647q84553/

Since wetlands are ecosystems that have an ample supply of water, they play an important role in the energy budgets of their respective landscapes due to their capacity to shift energy fluxes in favor of latent heat. Rates of evapotranspiration in wetlands are commonly as high as 6-15 mm day-1, testifying to the large amount of energy that is dissipated through this process. Wetland ecosystems in eutrophic habitats show a high primary production of biomass because of the highly efficient use of solar energy in photosynthesis. In wetlands associated with the slow decomposition of dead organic matter, such as oligotrophic marshes or fens and bogs, the accumulation of biomass is also high, in spite of the rather low primary production of biomass. Most of the energy exchange in water-saturated wetlands is, however, linked with heat balance, whereby the largest proportion of the incoming energy is dissipated during the process of evapotranspiration.
Permanent Link: http://hdl.handle.net/11104/0203553