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<title>UTas ePrints - Altitude of origin influences stomatal conductance and therefore maximum assimilation rate in Southern Beech, Nothofagus cunninghamii</title>
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<meta content="Hoveden, Mark J." name="eprints.creators_name" />
<meta content="Brodribb, Tim J." name="eprints.creators_name" />
<meta content="" name="eprints.creators_id" />
<meta content="Timothy.Brodribb@utas.edu.au" name="eprints.creators_id" />
<meta content="article" name="eprints.type" />
<meta content="2007-12-09 22:11:14" name="eprints.datestamp" />
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<meta content="Altitude of origin influences stomatal conductance and therefore
maximum assimilation rate in Southern Beech,
Nothofagus cunninghamii" name="eprints.title" />
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<meta content="Gas exchange measurements were made on saplings of Southern Beech, Nothofagus cunninghamii
(Hook.) Oerst. collected from three altitudes (350, 780 and 1100 m above sea level) and grown in a common
glasshouse trial. Plants were grown from cuttings taken 2 years earlier from a number of plants at each altitude in
Mt Field National Park, Tasmania. Stomatal density increased with increasing altitude of origin, and stomatal conductance
and carbon assimilation rate were linearly related across all samples. The altitude of origin influenced the
stomatal conductance and therefore carbon assimilation rate, with plants from 780 m having a greater photosynthetic
rate than those from 350 m. The intercellular concentration of CO2 as a ratio of external CO2 concentration (ci/ca)
was similar in all plants despite the large variation in maximum stomatal conductance. Carboxylation efficiency was
greater in plants from 780 m than in plants from 350 m. Altitude of origin has a strong influence on the photosynthetic
performance of N. cunninghamii plants even when grown under controlled conditions, and this influence
is expressed in both leaf biochemistry (carboxylation efficiency) and leaf morphology (stomatal density)." name="eprints.abstract" />
<meta content="2000" name="eprints.date" />
<meta content="published" name="eprints.date_type" />
<meta content="Australian Journal of Plant Physiology" name="eprints.publication" />
<meta content="27" name="eprints.volume" />
<meta content="5" name="eprints.number" />
<meta content="450-456" name="eprints.pagerange" />
<meta content="10.1071/PP99164" name="eprints.id_number" />
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<meta content="Beerling D (1996) Ecophysiological responses of woody plants to past
CO2 concentrations. Tree Physiology 16, 389–396.
Beerling D, Kelly C (1997) Stomatal density responses of temperate
woodland plants over the past seven decades of CO2 increase — a
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Journal of Botany 84, 1572–1583.
Beerling D, Birks H, Woodward F (1995) Rapid late-glacial atmospheric
CO2 changes reconstructed from the stomatal density record
of fossil leaves. Journal of Quaternary Science 10, 379–384.
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living fossil Ginkgo biloba L. to changes in atmospheric CO2
concentrations. Journal of Experimental Botany 49, 1603–1607.
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(ci) during drought and determination of minimum functional
ci. Plant Physiology 111, 179–185.
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(CSIRO: Melbourne)
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photosynthesis of two morphologically contrasting plant species
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(Tasmanian Government: Hobart)
Day RW, Quinn GP (1989) Comparisons of treatments after an analysis
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University Press: Cambridge)
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evergreen members of Nothofagus subgenus Lophozonia related to
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plant responses to elevated CO2 and climate warming. Plant Cell
and Environment 18, 1101–1110.
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retain their greater photosynthetic efficiency under elevated CO2.
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stomatal conductance, nitrogen content and leaf anatomy in different
plant lifeforms in New Zealand. Oecologia 69, 577–588.
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Functional morphology of mountain plants. Flora 182, 353–383.
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from elevational transects: common garden evidence for
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573–590.
Potter KJB (1997) Ecophysiology and morphology of Nothofagus
cunninghamii Hook. f. across altitudinal gradients. BSc (Hons)
thesis, Department of Plant Science, University of Tasmania.
Read J (1985) The dynamics of Nothofagus cunninghamii rainforest
associations in Tasmania — an ecophysiological approach. PhD
thesis, Department of Plant Science, University of Tasmania.
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Reid, RS Hill, MJ Brown and MJ Hovenden) pp. 160–197.
(Australian Biological Resources Study: Canberra)
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major canopy species of Tasmanian cool temperate rainforest and
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myrtillus L. taken from a wide altitudinal range. Oecologia 70,
580–586.
Woodward FI (1987) Stomatal numbers are sensitive to increases" name="eprints.referencetext" />
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Nothofagus cunninghamii" name="DC.title" />
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<meta content="Gas exchange measurements were made on saplings of Southern Beech, Nothofagus cunninghamii
(Hook.) Oerst. collected from three altitudes (350, 780 and 1100 m above sea level) and grown in a common
glasshouse trial. Plants were grown from cuttings taken 2 years earlier from a number of plants at each altitude in
Mt Field National Park, Tasmania. Stomatal density increased with increasing altitude of origin, and stomatal conductance
and carbon assimilation rate were linearly related across all samples. The altitude of origin influenced the
stomatal conductance and therefore carbon assimilation rate, with plants from 780 m having a greater photosynthetic
rate than those from 350 m. The intercellular concentration of CO2 as a ratio of external CO2 concentration (ci/ca)
was similar in all plants despite the large variation in maximum stomatal conductance. Carboxylation efficiency was
greater in plants from 780 m than in plants from 350 m. Altitude of origin has a strong influence on the photosynthetic
performance of N. cunninghamii plants even when grown under controlled conditions, and this influence
is expressed in both leaf biochemistry (carboxylation efficiency) and leaf morphology (stomatal density)." name="DC.description" />
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<h1 class="ep_tm_pagetitle">Altitude of origin influences stomatal conductance and therefore maximum assimilation rate in Southern Beech, Nothofagus cunninghamii</h1>
<p style="margin-bottom: 1em" class="not_ep_block"><span class="person_name">Hoveden, Mark J.</span> and <span class="person_name">Brodribb, Tim J.</span> (2000) <xhtml:em>Altitude of origin influences stomatal conductance and therefore maximum assimilation rate in Southern Beech, Nothofagus cunninghamii.</xhtml:em> Australian Journal of Plant Physiology, 27 (5). pp. 450-456. ISSN 1445-4408</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/2637/1/Nothofag.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/2637/1/Nothofag.pdf"><span class="ep_document_citation">PDF</span></a> - Full text restricted - Requires a PDF viewer<br />154Kb</td><td><form method="get" accept-charset="utf-8" action="http://eprints.utas.edu.au/cgi/request_doc"><input accept-charset="utf-8" value="3456" 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/10.1071/PP99164">http://dx.doi.org/10.1071/PP99164</a></p><div class="not_ep_block"><h2>Abstract</h2><p style="padding-bottom: 16px; text-align: left; margin: 1em auto 0em auto">Gas exchange measurements were made on saplings of Southern Beech, Nothofagus cunninghamii
(Hook.) Oerst. collected from three altitudes (350, 780 and 1100 m above sea level) and grown in a common
glasshouse trial. Plants were grown from cuttings taken 2 years earlier from a number of plants at each altitude in
Mt Field National Park, Tasmania. Stomatal density increased with increasing altitude of origin, and stomatal conductance
and carbon assimilation rate were linearly related across all samples. The altitude of origin influenced the
stomatal conductance and therefore carbon assimilation rate, with plants from 780 m having a greater photosynthetic
rate than those from 350 m. The intercellular concentration of CO2 as a ratio of external CO2 concentration (ci/ca)
was similar in all plants despite the large variation in maximum stomatal conductance. Carboxylation efficiency was
greater in plants from 780 m than in plants from 350 m. Altitude of origin has a strong influence on the photosynthetic
performance of N. cunninghamii plants even when grown under controlled conditions, and this influence
is expressed in both leaf biochemistry (carboxylation efficiency) and leaf morphology (stomatal density).</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">Subjects:</th><td valign="top" class="ep_row"><a href="http://eprints.utas.edu.au/view/subjects/270402.html">270000 Biological Sciences > 270400 Botany > 270402 Plant Physiology</a><br /><a href="http://eprints.utas.edu.au/view/subjects/270400.html">270000 Biological Sciences > 270400 Botany</a></td></tr><tr><th valign="top" class="ep_row">ID Code:</th><td valign="top" class="ep_row">2637</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">Scholarly Publications Librarian</span></span></td></tr><tr><th valign="top" class="ep_row">Deposited On:</th><td valign="top" class="ep_row">10 Dec 2007 09:11</td></tr><tr><th valign="top" class="ep_row">Last Modified:</th><td valign="top" class="ep_row">09 Jan 2008 02:30</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=2637;">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=2637">item control page</a></p>
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