ISSN 10674136, Russian Journal of Ecology, 2011, Vol. 42, No. 3, pp. 249–251. © Pleiades Publishing, Ltd., 2011. Original Russian Text © Sh.R. Abdullin, 2011, published in Ekologiya, 2011, No. 3, pp. 224–226. SHORT COMMUNICATIONS Effect of Illumination on the Distribution of Phototrophic Organisms in the Entrance Part of the Shul’ganTash Cave Sh. R. Abdullin Bashkir State University, ul. Validi 32, Ufa, Republic of Bashkortostan, 450074 Russia; email: firstname.lastname@example.org Received December 28, 2009 Keywords: Shul’ganTash Cave, illumination, phototrophic organisms, illumination zoning. DOI: 10.1134/S1067413611030039 Caves are specific ecosystems with the unique Zone 1. The phototrophic biota consists of no more biota. Most caves have a stable environment with the than six species and infraspecific taxa of cyanobacteria following distinctive features: a low light intensity, and algae; i.e., its taxonomic diversity is low. Only in which decreases to a critical level as the distance from this zone does the group of dominants include the alga the entrance increases; slight temperature fluctuations Mychonastes homosphaera (Skuja) Kalina et Pun. over the year; and permanently high air humidity Zone 2. The number of cyanobacterial and algal (Hajdu, 1977). Phototrophic ecosystems, with higher taxa increases, with the former group gaining domi and lower plants as
Russian Journal of Ecology – Springer Journals
Published: May 24, 2011
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