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Abukawa et al. 2012 Limnology.pdf

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http://eprints.org/relation/isVersionOf http://eprints.iliauni.edu.ge/id/document/9301 http://eprints.org/relation/isVolatileVersionOf http://eprints.iliauni.edu.ge/id/document/9301 http://eprints.org/relation/ismediumThumbnailVersionOf http://eprints.iliauni.edu.ge/id/document/9301 9306 3 24913 document 9306 small.jpg image/png 2e577c9e2296e1eaefe2d1176c46783c MD5 2140 2014-01-23 09:14:08 http://eprints.iliauni.edu.ge/2069/6/small.jpg 2069 6 6 image/png other Thumbnails conversion from text to thumbnail_small ge public

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http://eprints.org/relation/isVersionOf http://eprints.iliauni.edu.ge/id/document/9301 http://eprints.org/relation/isVolatileVersionOf http://eprints.iliauni.edu.ge/id/document/9301 http://eprints.org/relation/issmallThumbnailVersionOf http://eprints.iliauni.edu.ge/id/document/9301 archive 137 disk0/00/00/20/69 2015-04-16 06:01:51 2015-04-16 06:01:51 2015-04-16 06:01:51 article 470 show Abukawa Kazuki Yamamuro Masumi Kikvidze Zaal zaal.kikvidze@iliauni.edu.ge Asada Akira Chunhui Xu Sugimoto Kenichi pub QEC ins18 public Here we report on an advanced survey system that combines multibeam echo sounding with underwater photography, which was used to collect accurate data on the distribution and abundance of submerged aquatic vegetation (SAV) in Lake Towada. The use of this system enabled us to visualize the cover, height, and biomass of the SAV over the lake bottom, as well as to distinguish between different components of the SAV such as vascular and algal plants. The spatial distributions of these major components of the SAV varied as a function of the depth gradient. The vascular component was mostly represented by Potamogeton species, which accounted for around one-third of the standing mass of SAV, whilst more than half of the SAV was algal (charophytes). This abundance of charophytes may well be responsible for the high water quality and transparency of Lake Towada. 2013 Limnology 14 Springer 39-42 TRUE 1439-863X