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<meta content="Blackman, Christopher J." name="eprints.creators_name" />
<meta content="Jordan, Gregory J." name="eprints.creators_name" />
<meta content="Wiltshire, Robert J.E." name="eprints.creators_name" />
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<meta content="Leaf gigantism in coastal areas: morphological and physiological variation in four species on the Tasman Peninsula, Tasmania" name="eprints.title" />
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<meta content="Leaf gigantism is an example of marked morphological variation associated with abrupt environmental gradients of increasing coastal exposure. This study characterises the morphology and anatomy of leaf gigantism in four species across two habitats on the coastal headlands of the Tasman Peninsula, Tasmania, Australia. In addition, the genetic basis and adaptive significance of leaf gigantism are examined. Leaf gigantism was characterised in Leptospermum scoparium, Acacia verticillata and Allocasuarina monilifera by greater thickness and succulence, and by greater thickness and increased support tissue in Allocasuarina crassa. Glasshouse grown seedlings of each species derived from exposed and inland field sites showed that leaf gigantism has both genetic and environmental components. Leaf succulence and a slower growth rate were shown to be heritable in seedlings from the exposed site of L. scoparium and Acacia verticillata, indicating genetic differentiation. In the reciprocal translocation trial, the higher degree of stress tolerance (as measured by chlorophyll florescence) exhibited by seedlings of L. scoparium and Acacia verticillata from the exposed site demonstrated the adaptive significance of leaf gigantism in these species. The ecological and evolutionary implications of leaf gigantism on the Tasman Peninsula are discussed." name="eprints.abstract" />
<meta content="2005" name="eprints.date" />
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<meta content="Australian Journal of Botany" name="eprints.publication" />
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Schahinger R (2002) Allocasuairna crassa L. Johnson (Casuarinaceae): a revised description, with notes on distribution and habitat. Papers and Proceedings of the Royal Society of Tasmania 136, 101-106.
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<meta content="Leaf gigantism is an example of marked morphological variation associated with abrupt environmental gradients of increasing coastal exposure. This study characterises the morphology and anatomy of leaf gigantism in four species across two habitats on the coastal headlands of the Tasman Peninsula, Tasmania, Australia. In addition, the genetic basis and adaptive significance of leaf gigantism are examined. Leaf gigantism was characterised in Leptospermum scoparium, Acacia verticillata and Allocasuarina monilifera by greater thickness and succulence, and by greater thickness and increased support tissue in Allocasuarina crassa. Glasshouse grown seedlings of each species derived from exposed and inland field sites showed that leaf gigantism has both genetic and environmental components. Leaf succulence and a slower growth rate were shown to be heritable in seedlings from the exposed site of L. scoparium and Acacia verticillata, indicating genetic differentiation. In the reciprocal translocation trial, the higher degree of stress tolerance (as measured by chlorophyll florescence) exhibited by seedlings of L. scoparium and Acacia verticillata from the exposed site demonstrated the adaptive significance of leaf gigantism in these species. The ecological and evolutionary implications of leaf gigantism on the Tasman Peninsula are discussed." name="DC.description" />
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<h1 class="ep_tm_pagetitle">Leaf gigantism in coastal areas: morphological and physiological variation in four species on the Tasman Peninsula, Tasmania</h1>
<p style="margin-bottom: 1em" class="not_ep_block"><span class="person_name">Blackman, Christopher J.</span> and <span class="person_name">Jordan, Gregory J.</span> and <span class="person_name">Wiltshire, Robert J.E.</span> (2005) <xhtml:em>Leaf gigantism in coastal areas: morphological and physiological variation in four species on the Tasman Peninsula, Tasmania.</xhtml:em> Australian Journal of Botany, 53 . pp. 91-100.</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/1720/1/coastal_leaf_gigantism1.pdf"><img alt="[img]" src="http://eprints.utas.edu.au/style/images/fileicons/application_pdf.png" border="0" class="ep_doc_icon" /></a></td><td valign="top"><a href="http://eprints.utas.edu.au/1720/1/coastal_leaf_gigantism1.pdf"><span class="ep_document_citation">PDF</span></a> - Full text restricted - Requires a PDF viewer<br />1086Kb</td><td><form method="get" accept-charset="utf-8" action="http://eprints.utas.edu.au/cgi/request_doc"><input value="2216" name="docid" accept-charset="utf-8" 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/BT04040">http://dx.doi.org/10.1071/BT04040</a></p><div class="not_ep_block"><h2>Abstract</h2><p style="padding-bottom: 16px; text-align: left; margin: 1em auto 0em auto">Leaf gigantism is an example of marked morphological variation associated with abrupt environmental gradients of increasing coastal exposure. This study characterises the morphology and anatomy of leaf gigantism in four species across two habitats on the coastal headlands of the Tasman Peninsula, Tasmania, Australia. In addition, the genetic basis and adaptive significance of leaf gigantism are examined. Leaf gigantism was characterised in Leptospermum scoparium, Acacia verticillata and Allocasuarina monilifera by greater thickness and succulence, and by greater thickness and increased support tissue in Allocasuarina crassa. Glasshouse grown seedlings of each species derived from exposed and inland field sites showed that leaf gigantism has both genetic and environmental components. Leaf succulence and a slower growth rate were shown to be heritable in seedlings from the exposed site of L. scoparium and Acacia verticillata, indicating genetic differentiation. In the reciprocal translocation trial, the higher degree of stress tolerance (as measured by chlorophyll florescence) exhibited by seedlings of L. scoparium and Acacia verticillata from the exposed site demonstrated the adaptive significance of leaf gigantism in these species. The ecological and evolutionary implications of leaf gigantism on the Tasman Peninsula are discussed.</p></div><table style="margin-bottom: 1em" border="0" cellpadding="3" class="not_ep_block"><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/270799.html">270000 Biological Sciences > 270700 Ecology and Evolution > 270799 Ecology and Evolution not elsewhere classified</a><br /><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/270709.html">270000 Biological Sciences > 270700 Ecology and Evolution > 270709 Biogeography</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">1720</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 gregory j jordan</span></span></td></tr><tr><th valign="top" class="ep_row">Deposited On:</th><td valign="top" class="ep_row">30 Aug 2007</td></tr><tr><th valign="top" class="ep_row">Last Modified:</th><td valign="top" class="ep_row">12 Feb 2008 14:23</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=1720;">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=1720">item control page</a></p>
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