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<meta content="Burke, Chris" name="eprints.creators_name" />
<meta content="Burton, Harry R." name="eprints.creators_name" />
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<meta content="Photosynthetic bacteria in Burton Lake, a seasonally tidal, meromictic lake of maximum depth 18 m, located in the Vestfold Hills, Antarctica, were studied throughout 1983. The dominant species were Chlorobium vibrioforme and Chlorobium limicola (up to 5.4 X 10 to the power of 6 cells ml to power of ml minus 1) and minor species were Thiocapsa roseopersicina (< 1.25 X 10 to the power of 5 cells ml to the power minus 1) and Rhodopseudomonas palustris (< 100 cells ml minus 1). The Chlorobium spp. and T. roseopersicina were found throughout the anoxic water, which ranged in temperature from -0.5 C to -2.2 C, but did not form discrete layers at the O2 and H2S interface. The growth zone, however, of the Chlorobium spp. was delineated by the presence of light and H2S and was restricted to less than 3 m below the O2 and H2S interface. R. palustris was found in oxic and anoxic water. Available light, which varied from 0 to 4.9 µE m to the power of minus 2 s to the power of minus 1 at the O2 to H2S interface, was considered to be the major environmental factor controlling growth of the bacterial phototrophs. Growth was initiated in spring in low light levels (<1 µE m to the power of minus 2 s to the power of minus 1) following 3 months of darkness during winter. It is concluded that the dominance of the Chlorobium spp. was a result of their more efficient maintenance metabolism in winter and of their greater efficiency in utilizing low intensity light.
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<meta content="Abella, C., E. Montesinos & R. Guerrero, 1980. Field studies on the competition between purple and green sulphur bacteria for available light (Lake Siso, Spain). In M. Dokulil, H. Metz & D. Jewson (eds), Developments in Hydrobiology, 3. Dr W. Junk Publishers, The Hague: 173 - 181.
Bayly, I. A. E., 1986. Ecology of the zooplankton of a meromictic antarctic lagoon with special reference to Drepanopus bispinosus (Copepoda: Calanoida). Hydrobiologia 140: 199 - 231.
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Biebl, H. & N. Pfennig, 1981. Isolation of members of the Rhodospirillaceae. In M. P. Starr, H. Stolp, H. G. Truper, A. Ballows & H. G. Schlegel (eds), The Prokaryotes 1. Springer-Verlag, Berlin: 267 - 273.
Burke, C. M. & H. R. Burton, this volume. Photosynthetic bacteria in meromictic lakes and stratified fjords of the Vestfold Hills, Antarctica. Hydrobiologia.
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<meta content="Photosynthetic bacteria in Burton Lake, a seasonally tidal, meromictic lake of maximum depth 18 m, located in the Vestfold Hills, Antarctica, were studied throughout 1983. The dominant species were Chlorobium vibrioforme and Chlorobium limicola (up to 5.4 X 10 to the power of 6 cells ml to power of ml minus 1) and minor species were Thiocapsa roseopersicina (< 1.25 X 10 to the power of 5 cells ml to the power minus 1) and Rhodopseudomonas palustris (< 100 cells ml minus 1). The Chlorobium spp. and T. roseopersicina were found throughout the anoxic water, which ranged in temperature from -0.5 C to -2.2 C, but did not form discrete layers at the O2 and H2S interface. The growth zone, however, of the Chlorobium spp. was delineated by the presence of light and H2S and was restricted to less than 3 m below the O2 and H2S interface. R. palustris was found in oxic and anoxic water. Available light, which varied from 0 to 4.9 µE m to the power of minus 2 s to the power of minus 1 at the O2 to H2S interface, was considered to be the major environmental factor controlling growth of the bacterial phototrophs. Growth was initiated in spring in low light levels (<1 µE m to the power of minus 2 s to the power of minus 1) following 3 months of darkness during winter. It is concluded that the dominance of the Chlorobium spp. was a result of their more efficient maintenance metabolism in winter and of their greater efficiency in utilizing low intensity light.
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<h1 class="ep_tm_pagetitle">The ecology of photosynthetic bacteria in Burton Lake, Vestfold Hills, Antarctica</h1>
<p style="margin-bottom: 1em" class="not_ep_block"><span class="person_name">Burke, Chris</span> and <span class="person_name">Burton, Harry R.</span> (1988) <xhtml:em>The ecology of photosynthetic bacteria in Burton Lake, Vestfold Hills, Antarctica.</xhtml:em> Hydrobiologia, 165 (1). pp. 1-11. ISSN 1573-5117</p><p style="margin-bottom: 1em" class="not_ep_block"></p><table style="margin-bottom: 1em" class="not_ep_block"><tr><td valign="top" style="text-align:center"><a href="http://eprints.utas.edu.au/1916/1/BurkeBurton_1988a.pdf"><img alt="[img]" src="http://eprints.utas.edu.au/style/images/fileicons/application_pdf.png" class="ep_doc_icon" border="0" /></a></td><td valign="top"><a href="http://eprints.utas.edu.au/1916/1/BurkeBurton_1988a.pdf"><span class="ep_document_citation">PDF</span></a> - Full text restricted - Requires a PDF viewer<br />914Kb</td><td><form method="get" accept-charset="utf-8" action="http://eprints.utas.edu.au/cgi/request_doc"><input accept-charset="utf-8" value="2409" name="docid" type="hidden" /><div class=""><input value="Request a copy" name="_action_null" class="ep_form_action_button" onclick="return EPJS_button_pushed( '_action_null' )" type="submit" /> </div></form></td></tr></table><p style="margin-bottom: 1em" class="not_ep_block">Official URL: <a href="http://dx.doi.org/10.1007/BF00025569">http://dx.doi.org/10.1007/BF00025569</a></p><div class="not_ep_block"><h2>Abstract</h2><p style="padding-bottom: 16px; text-align: left; margin: 1em auto 0em auto">Photosynthetic bacteria in Burton Lake, a seasonally tidal, meromictic lake of maximum depth 18 m, located in the Vestfold Hills, Antarctica, were studied throughout 1983. The dominant species were Chlorobium vibrioforme and Chlorobium limicola (up to 5.4 X 10 to the power of 6 cells ml to power of ml minus 1) and minor species were Thiocapsa roseopersicina (< 1.25 X 10 to the power of 5 cells ml to the power minus 1) and Rhodopseudomonas palustris (< 100 cells ml minus 1). The Chlorobium spp. and T. roseopersicina were found throughout the anoxic water, which ranged in temperature from -0.5 C to -2.2 C, but did not form discrete layers at the O2 and H2S interface. The growth zone, however, of the Chlorobium spp. was delineated by the presence of light and H2S and was restricted to less than 3 m below the O2 and H2S interface. R. palustris was found in oxic and anoxic water. Available light, which varied from 0 to 4.9 µE m to the power of minus 2 s to the power of minus 1 at the O2 to H2S interface, was considered to be the major environmental factor controlling growth of the bacterial phototrophs. Growth was initiated in spring in low light levels (<1 µE m to the power of minus 2 s to the power of minus 1) following 3 months of darkness during winter. It is concluded that the dominance of the Chlorobium spp. was a result of their more efficient maintenance metabolism in winter and of their greater efficiency in utilizing low intensity light.
</p></div><table style="margin-bottom: 1em" cellpadding="3" class="not_ep_block" border="0"><tr><th valign="top" class="ep_row">Item Type:</th><td valign="top" class="ep_row">Article</td></tr><tr><th valign="top" class="ep_row">Additional Information:</th><td valign="top" class="ep_row">The original publication is available at www.springerlink.com</td></tr><tr><th valign="top" class="ep_row">Keywords:</th><td valign="top" class="ep_row">Photosynthetic bacteria, meromictic, Antarctica, Chlorobium, Burton Lake.</td></tr><tr><th valign="top" class="ep_row">Subjects:</th><td valign="top" class="ep_row"><a href="http://eprints.utas.edu.au/view/subjects/270307.html">270000 Biological Sciences > 270300 Microbiology > 270307 Microbial Ecology</a></td></tr><tr><th valign="top" class="ep_row">Collections:</th><td valign="top" class="ep_row">UNSPECIFIED</td></tr><tr><th valign="top" class="ep_row">ID Code:</th><td valign="top" class="ep_row">1916</td></tr><tr><th valign="top" class="ep_row">Deposited By:</th><td valign="top" class="ep_row"><span class="ep_name_citation"><span class="person_name">Dr Chris Burke</span></span></td></tr><tr><th valign="top" class="ep_row">Deposited On:</th><td valign="top" class="ep_row">13 Sep 2007</td></tr><tr><th valign="top" class="ep_row">Last Modified:</th><td valign="top" class="ep_row">11 Feb 2008 10:51</td></tr><tr><th valign="top" class="ep_row">ePrint Statistics:</th><td valign="top" class="ep_row"><a target="ePrintStats" href="/es/index.php?action=show_detail_eprint;id=1916;">View statistics for this ePrint</a></td></tr></table><p align="right">Repository Staff Only: <a href="http://eprints.utas.edu.au/cgi/users/home?screen=EPrint::View&eprintid=1916">item control page</a></p>
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