image: Extensive photosynthesis by aquatic plants is often revealed as oxygen bubble formation. The example above is from Hemianthus callitroides which relies entirely on CO2 as source of inorganic carbon. This material relates to a paper that appeared in the 15 Nov. issue of Science, published by AAAS. The paper, by L.L. Iversen at University of Copenhagen in Copenhagen, Denmark, and colleagues was titled, "Catchment properties and the photosynthetic trait composition of freshwater plant communities." view more
Credit: [Credit: Ole Pedersen] Note: Though this is a publicly listed image, use of this image to specifically promote this <em>Science</em> paper must not appear in the public domain until embargo lift.