nigel.stanger / Digital_Repository
Transfer to URL with SHA Find file
Newer
Older
Digital_Repository / Misc / Mass downloads / UTas / 2596.html
Nigel Stanger on 7 May 2013 30 KB - Imported Misc directory.
Raw Blame History 
  1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
  2. "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  3. <html>
  4.   <head>
  5.     <title>UTas ePrints - Diurnal depression of leaf hydraulic conductance in a tropical tree species</title>
  6.     <script type="text/javascript" src="http://eprints.utas.edu.au/javascript/auto.js"><!-- padder --></script>
  7.     <style type="text/css" media="screen">@import url(http://eprints.utas.edu.au/style/auto.css);</style>
  8.     <style type="text/css" media="print">@import url(http://eprints.utas.edu.au/style/print.css);</style>
  9.     <link rel="icon" href="/images/eprints/favicon.ico" type="image/x-icon" />
  10.     <link rel="shortcut icon" href="/images/eprints/favicon.ico" type="image/x-icon" />
  11.     <link rel="Top" href="http://eprints.utas.edu.au/" />
  12.     <link rel="Search" href="http://eprints.utas.edu.au/cgi/search" />
  13.     <meta content="Brodribb, Tim J." name="eprints.creators_name" />
  14. <meta content="Holbrook, N. M." name="eprints.creators_name" />
  15. <meta content="Timothy.Brodribb@utas.edu.au" name="eprints.creators_id" />
  16. <meta content="" name="eprints.creators_id" />
  17. <meta content="article" name="eprints.type" />
  18. <meta content="2007-11-30 02:06:50" name="eprints.datestamp" />
  19. <meta content="2008-01-08 15:30:00" name="eprints.lastmod" />
  20. <meta content="show" name="eprints.metadata_visibility" />
  21. <meta content="Diurnal depression of leaf hydraulic conductance in a
  22. tropical tree species" name="eprints.title" />
  23. <meta content="pub" name="eprints.ispublished" />
  24. <meta content="270402" name="eprints.subjects" />
  25. <meta content="270400" name="eprints.subjects" />
  26. <meta content="restricted" name="eprints.full_text_status" />
  27. <meta content="gas exchange; leaf hydraulic conductance; midday
  28. depression; stomata; water use." name="eprints.keywords" />
  29. <meta content="&quot;The definitive version is available at www.blackwell-synergy.com&quot;
  30. " name="eprints.note" />
  31. <meta content="Diurnal patterns of hydraulic conductance of the leaf lamina
  32. (
  33. K
  34. leaf
  35. ) were monitored in a field-grown tropical tree
  36. species in an attempt to ascertain whether the dynamics of
  37. stomatal conductance (
  38. g
  39. s
  40. ) and CO
  41. 2
  42. uptake (
  43. A
  44. leaf
  45. ) were
  46. associated with short-term changes in
  47. K
  48. leaf
  49. . On days of high
  50. evaporative demand mid-day depression of
  51. K
  52. leaf
  53. to between
  54. 40 and 50% of pre-dawn values was followed by a rapid
  55. recovery after 1500 h. Leaf water potential during the
  56. recovery stage was less than
  57. -
  58. 1 MPa implying a refilling
  59. mechanism, or that loss of
  60. K
  61. leaf
  62. was not linked to cavitation.
  63. Laboratory measurement of the response of
  64. K
  65. leaf
  66. to
  67. Y
  68. leaf
  69. confirmed that leaves in the field were operating at water
  70. potentials within the depressed region of the leaf ‘vulnerability
  71. curve’. Diurnal courses of
  72. K
  73. leaf
  74. and
  75. Y
  76. leaf
  77. predicted
  78. from measured transpiration, xylem water potential and
  79. the
  80. K
  81. leaf
  82. vulnerability function, yielded good agreement
  83. with observed trends in both leaf parameters. Close correlation
  84. between depression of
  85. K
  86. leaf
  87. ,
  88. g
  89. s
  90. and
  91. A
  92. leaf
  93. suggests that
  94. xylem dysfunction in the leaf may lead to mid-day depression
  95. of gas exchange in this species." name="eprints.abstract" />
  96. <meta content="2004" name="eprints.date" />
  97. <meta content="published" name="eprints.date_type" />
  98. <meta content="Plant, Cell and Environment" name="eprints.publication" />
  99. <meta content="27" name="eprints.volume" />
  100. <meta content="7" name="eprints.number" />
  101. <meta content="820-827" name="eprints.pagerange" />
  102. <meta content="10.1111/j.1365-3040.2004.01188.x" name="eprints.id_number" />
  103. <meta content="TRUE" name="eprints.refereed" />
  104. <meta content="0140-7791" name="eprints.issn" />
  105. <meta content="http://dx.doi.org/10.1111/j.1365-3040.2004.01188.x" name="eprints.official_url" />
  106. <meta content="Brodribb T.J. &amp; Feild T.S. (2000) Stem hydraulic supply is linked
  107. to leaf photosynthetic capacity: evidence from New Caledonian
  108. and Tasmanian rainforests. Plant, Cell and Environment 23,
  109. 1381–1388.
  110. Brodribb T.J. &amp; Hill R.S. (1999) The importance of xylem constraints
  111. in the distribution of conifer species. New Phytologist
  112. 143, 365–372.
  113. Brodribb T.J. &amp; Holbrook N.M. (2003a) Stomatal closure during
  114. leaf dehydration, correlation with other leaf physiological traits.
  115. Plant Physiology 132, 2166–2173.
  116. Brodribb T.J. &amp; Holbrook N.M. (2003b) Changes in leaf hydraulic
  117. conductance during leaf shedding in seasonally dry tropical forest.
  118. New Phytologist 158, 295–303.
  119. Brodribb T.J., Holbrook N.M., Edwards E.J. &amp; Gutiérrez M.V.
  120. (2003) Relations between stomatal closure, leaf turgor and
  121. xylem vulnerability in eight tropical dry forest trees. Plant, Cell
  122. and Environment 26, 443–450.
  123. Brodribb T.J., Holbrook N.M. &amp; Gutiérrez M.V. (2002) Hydraulic
  124. and photosynthetic co-ordination in seasonally dry tropical forest
  125. trees. Plant, Cell and Environment 25, 1435–1444.
  126. Bucci S.J., Scholtz F.G., Goldstein G., Meinzer F.C. &amp; Sternberg
  127. L. (2003) Dynamic changes in hydraulic conductivity in petioles
  128. of two savanna tree species: factors and mechanisms contributing
  129. to the refilling of embolized vessels. Plant, Cell and Environment
  130. 26, 1633–1645.
  131. Buckley T.N., Mott K.A. &amp; Farquhar G.D. (2003) A hydromechanical
  132. and biochemical model of stomatal conductance. Plant,
  133. Cell and Environment 26, 1767–1785.
  134. Canny M. (2001) Embolism and refilling in the maize leaf lamina
  135. and the role of the protoxylem lacuna. American Journal of
  136. Botany 88, 47–51.
  137. Cochard H., Coll L., Le Roux X. &amp; Ameglio T. (2002) Unraveling
  138. the effects of plant hydraulics on stomatal closure during water
  139. stress in walnut. Plant Physiology 128, 282–290.
  140. Cochard H., Froux F., Mayr S. &amp; Coutard C. (2004) Xylem wall
  141. collapse in water-stressed pine needles. Plant Physiology 134,
  142. 401–408.
  143. Franks P.J. &amp; Farquhar G.D. (1999) A relationship between
  144. humidity response, growth form and photosynthetic operating
  145. point in C3 plants. Plant, Cell and Environment 22, 1337–
  146. 1349.
  147. Hacke U. &amp; Sperry J.S. (2003) Limits to xylem refilling under
  148. negative pressure in Laurus nobilis and Acer negundo. Plant,
  149. Cell and Environment 26, 303–311.
  150. Hacke U., Sperry J.S., Pockman W.T., Davis S.D. &amp; McCulloch
  151. A. (2001) Trends in wood density and structure are linked to the
  152. prevention of xylem implosion by negative pressure. Oecologia
  153. 126, 457–461.
  154. Hubbard R.M., Ryan M.G., Stiller V. &amp; Sperry J.S. (2001) Stomatal
  155. conductance and photosynthesis vary linearly with plant
  156. hydraulic conductance in ponderosa pine. Plant, Cell and Environment
  157. 24, 113–121.
  158. Janzen D.H. (1983) Costa Rican Natural History. University of
  159. Chicago Press, Chicago, IL, USA.
  160. Katul G., Leuning R. &amp; Oren R. (2003) Relationship between
  161. plant hydraulic and biochemical properties derived from a
  162. steady-state coupled water and carbon transport model. Plant,
  163. Cell and Environment 26, 339–350.
  164. Kikuta S.B., Lo Gullo M.A., Nardini A., Richter H. &amp; Salleo S.
  165. (1997) Ultrasound accoustic emissions from dehydrating leaves
  166. of deciduous and evergreen leaves. Plant, Cell and Environment
  167. 20, 1381–1390.
  168. Koide R.T., Robichaux R.H., Morse S.R. &amp; Smith C.M. (1991)
  169. Plant water status, hydraulic resistance and capacitance. In Plant
  170. Physiological Ecology (eds. R.W. Pearcy, J. Ehleringer, H.A.
  171. Mooney &amp; P.W. Rundel), pp. 161–183. Chapman &amp; Hall, New
  172. York, USA.
  173. Lo Gullo M.A., Nardini A., Triflio P. &amp; Salleo S. (2003) Changes
  174. in leaf hydraulic and stomatal conductance following drought
  175. stress and irrigation in Ceratonia siliqua (Carob tree). Physiologia
  176. Plantarum 117, 186–194.
  177. McCully M.E., Huang C.X. &amp; Ling L.E.C. (1998) Daily embolism
  178. and refilling of xylem vessels in the roots of field-grown maize.
  179. New Phytologist 138, 327–342.
  180. Nardini A. &amp; Salleo S. (2000) Limitation of stomatal conductance
  181. by hydraulic traits: sensing or preventing xylem cavitation? Trees
  182. 15, 14–24.
  183. Nardini A., Tyree M.T. &amp; Salleo S. (2001) Xylem cavitation in the
  184. leaf of Prunus laurocerasus L. and its impact on leaf hydraulics.
  185. Plant Physiology 125, 1700–1709.
  186. Oren R., Sperry J.S., Katul G., Pataki D.E., Ewers B.E., Phillips
  187. N. &amp; Schäfer K.V.R. (1999) Survey and synthesis of intra- and
  188. inter specific variation in stomatal sensitivity to vapor pressure
  189. deficit. Plant, Cell and Environment 22, 1515–1526.
  190. Sack L., Cowan P.D., Jaikumar N. &amp; Holbrook N.M. (2003) The
  191. ‘hydrology’ of leaves: co-ordination of structure and function in
  192. temperate woody species. Plant, Cell and Environment 26, 1343–
  193. 1356.
  194. Salleo S., Nardini A. &amp; Lo Gullo M. (1997) Is sclerophylly of
  195. Mediterranean evergreens an adaptation to drought? New Phytologist
  196. 135, 603–312.
  197. Salleo S., Nardini A., Pitt F. &amp; Lo Gullo M.A. (2000) Xylem
  198. cavitation and hydraulic control of stomatal conductance in
  199. Laurel (Laurus nobilis L.). Plant, Cell and Environment 23, 71–
  200. 79.
  201. Sperry J.S., Adler F.R., Campbell G.S. &amp; Comstock J.P. (1998)
  202. Limitation of plant water use by rhizosphere and xylem conductance:
  203. results from a model. Plant, Cell and Environment 21,
  204. 347–359.
  205. Sperry J., Alder N. &amp; Eastlack S. (1993) The effect of reduced
  206. hydraulic conductance on stomatal conductance and xylem cavitation.
  207. Journal of Experimental Botany 44, 1075–1082.
  208. Tyree M.T. &amp; Hammel H.T. (1972) The measurement of the turgor
  209. pressure and the water relations of plants by the pressure-bomb
  210. technique. Journal of Experimental Botany 23, 267–282.
  211. Tyree M.T. &amp; Sperry J.S. (1988) Do woody plants operate near the
  212. point of catastrophic xylem dysfunction caused by dynamic
  213. water stress? Plant Physiology 88, 574–580.
  214. Whitehead D., Jarvis P.G. &amp; Warning R.H. (1984) Stomatal conductance,
  215. transpiration and resistance to water uptake in a Pinus
  216. sylvestris spacing experiment. Canadian Journal of Forest
  217. Research 14, 692–700.
  218. Zwieniecki M.A. &amp; Holbrook N.M. (1998) Diurnal variation in
  219. xylem hydraulic conductivity in white ash (Fraxinus americana
  220. L.), red maple (Acer rubrum L.) and red spruce (Picea rubens
  221. Sarg.). Plant, Cell and Environment 21, 1173–1180.
  222. Zwieniecki M.A., Hutyra L., Thompson M.V. &amp; Holbrook N.M.
  223. (2000) Dynamic changes in petiole specific conductivity in red
  224. maple (Acer rubrum L.), tulip tree (Liriodendron tulipifera L.)
  225. and northern fox grape (Vitis labrusca L.). Plant, Cell and Environment
  226. 23, 407–414." name="eprints.referencetext" />
  227. <meta content="Brodribb, Tim J. and Holbrook, N. M. (2004) Diurnal depression of leaf hydraulic conductance in a tropical tree species. Plant, Cell and Environment, 27 (7). pp. 820-827. ISSN 0140-7791" name="eprints.citation" />
  228. <meta content="http://eprints.utas.edu.au/2596/1/diurnal_depression.pdf" name="eprints.document_url" />
  229. <link rel="schema.DC" href="http://purl.org/DC/elements/1.0/" />
  230. <meta content="Diurnal depression of leaf hydraulic conductance in a
  231. tropical tree species" name="DC.title" />
  232. <meta content="Brodribb, Tim J." name="DC.creator" />
  233. <meta content="Holbrook, N. M." name="DC.creator" />
  234. <meta content="270402 Plant Physiology" name="DC.subject" />
  235. <meta content="270400 Botany" name="DC.subject" />
  236. <meta content="Diurnal patterns of hydraulic conductance of the leaf lamina
  237. (
  238. K
  239. leaf
  240. ) were monitored in a field-grown tropical tree
  241. species in an attempt to ascertain whether the dynamics of
  242. stomatal conductance (
  243. g
  244. s
  245. ) and CO
  246. 2
  247. uptake (
  248. A
  249. leaf
  250. ) were
  251. associated with short-term changes in
  252. K
  253. leaf
  254. . On days of high
  255. evaporative demand mid-day depression of
  256. K
  257. leaf
  258. to between
  259. 40 and 50% of pre-dawn values was followed by a rapid
  260. recovery after 1500 h. Leaf water potential during the
  261. recovery stage was less than
  262. -
  263. 1 MPa implying a refilling
  264. mechanism, or that loss of
  265. K
  266. leaf
  267. was not linked to cavitation.
  268. Laboratory measurement of the response of
  269. K
  270. leaf
  271. to
  272. Y
  273. leaf
  274. confirmed that leaves in the field were operating at water
  275. potentials within the depressed region of the leaf ‘vulnerability
  276. curve’. Diurnal courses of
  277. K
  278. leaf
  279. and
  280. Y
  281. leaf
  282. predicted
  283. from measured transpiration, xylem water potential and
  284. the
  285. K
  286. leaf
  287. vulnerability function, yielded good agreement
  288. with observed trends in both leaf parameters. Close correlation
  289. between depression of
  290. K
  291. leaf
  292. ,
  293. g
  294. s
  295. and
  296. A
  297. leaf
  298. suggests that
  299. xylem dysfunction in the leaf may lead to mid-day depression
  300. of gas exchange in this species." name="DC.description" />
  301. <meta content="2004" name="DC.date" />
  302. <meta content="Article" name="DC.type" />
  303. <meta content="PeerReviewed" name="DC.type" />
  304. <meta content="application/pdf" name="DC.format" />
  305. <meta content="http://eprints.utas.edu.au/2596/1/diurnal_depression.pdf" name="DC.identifier" />
  306. <meta content="http://dx.doi.org/10.1111/j.1365-3040.2004.01188.x" name="DC.relation" />
  307. <meta content="Brodribb, Tim J. and Holbrook, N. M. (2004) Diurnal depression of leaf hydraulic conductance in a tropical tree species. Plant, Cell and Environment, 27 (7). pp. 820-827. ISSN 0140-7791" name="DC.identifier" />
  308. <meta content="http://eprints.utas.edu.au/2596/" name="DC.relation" />
  309. <link rel="alternate" href="http://eprints.utas.edu.au/cgi/export/2596/BibTeX/epprod-eprint-2596.bib" title="BibTeX" type="text/plain" />
  310. <link rel="alternate" href="http://eprints.utas.edu.au/cgi/export/2596/ContextObject/epprod-eprint-2596.xml" title="OpenURL ContextObject" type="text/xml" />
  311. <link rel="alternate" href="http://eprints.utas.edu.au/cgi/export/2596/ContextObject::Dissertation/epprod-eprint-2596.xml" title="OpenURL Dissertation" type="text/xml" />
  312. <link rel="alternate" href="http://eprints.utas.edu.au/cgi/export/2596/ContextObject::Journal/epprod-eprint-2596.xml" title="OpenURL Journal" type="text/xml" />
  313. <link rel="alternate" href="http://eprints.utas.edu.au/cgi/export/2596/DC/epprod-eprint-2596.txt" title="Dublin Core" type="text/plain" />
  314. <link rel="alternate" href="http://eprints.utas.edu.au/cgi/export/2596/DIDL/epprod-eprint-2596.xml" title="DIDL" type="text/xml" />
  315. <link rel="alternate" href="http://eprints.utas.edu.au/cgi/export/2596/EndNote/epprod-eprint-2596.enw" title="EndNote" type="text/plain" />
  316. <link rel="alternate" href="http://eprints.utas.edu.au/cgi/export/2596/HTML/epprod-eprint-2596.html" title="HTML Citation" type="text/html; charset=utf-8" />
  317. <link rel="alternate" href="http://eprints.utas.edu.au/cgi/export/2596/METS/epprod-eprint-2596.xml" title="METS" type="text/xml" />
  318. <link rel="alternate" href="http://eprints.utas.edu.au/cgi/export/2596/MODS/epprod-eprint-2596.xml" title="MODS" type="text/xml" />
  319. <link rel="alternate" href="http://eprints.utas.edu.au/cgi/export/2596/RIS/epprod-eprint-2596.ris" title="Reference Manager" type="text/plain" />
  320. <link rel="alternate" href="http://eprints.utas.edu.au/cgi/export/2596/Refer/epprod-eprint-2596.refer" title="Refer" type="text/plain" />
  321. <link rel="alternate" href="http://eprints.utas.edu.au/cgi/export/2596/Simple/epprod-eprint-2596text" title="Simple Metadata" type="text/plain" />
  322. <link rel="alternate" href="http://eprints.utas.edu.au/cgi/export/2596/Text/epprod-eprint-2596.txt" title="ASCII Citation" type="text/plain; charset=utf-8" />
  323. <link rel="alternate" href="http://eprints.utas.edu.au/cgi/export/2596/XML/epprod-eprint-2596.xml" title="EP3 XML" type="text/xml" />
  324.  
  325.   </head>
  326.   <body bgcolor="#ffffff" text="#000000" onLoad="loadRoutine(); MM_preloadImages('images/eprints/ePrints_banner_r5_c5_f2.gif','images/eprints/ePrints_banner_r5_c7_f2.gif','images/eprints/ePrints_banner_r5_c8_f2.gif','images/eprints/ePrints_banner_r5_c9_f2.gif','images/eprints/ePrints_banner_r5_c10_f2.gif','images/eprints/ePrints_banner_r5_c11_f2.gif','images/eprints/ePrints_banner_r6_c4_f2.gif')">
  327.     
  328.     <div class="ep_noprint"><noscript><style type="text/css">@import url(http://eprints.utas.edu.au/style/nojs.css);</style></noscript></div>
  329.  
  330.  
  331.  
  332.  
  333. <table width="795" border="0" cellspacing="0" cellpadding="0">
  334.   <tr>
  335.     <td><script language="JavaScript1.2">mmLoadMenus();</script>
  336.       <table border="0" cellpadding="0" cellspacing="0" width="795">
  337.         <!-- fwtable fwsrc="eprints_banner_final2.png" fwbase="ePrints_banner.gif" fwstyle="Dreamweaver" fwdocid = "1249563342" fwnested="0" -->
  338.         <tr>
  339.           <td><img src="/images/eprints/spacer.gif" width="32" height="1" border="0" alt="" /></td>
  340.           <td><img src="/images/eprints/spacer.gif" width="104" height="1" border="0" alt="" /></td>
  341.           <td><img src="/images/eprints/spacer.gif" width="44" height="1" border="0" alt="" /></td>
  342.           <td><img src="/images/eprints/spacer.gif" width="105" height="1" border="0" alt="" /></td>
  343.           <td><img src="/images/eprints/spacer.gif" width="41" height="1" border="0" alt="" /></td>
  344.           <td><img src="/images/eprints/spacer.gif" width="16" height="1" border="0" alt="" /></td>
  345.           <td><img src="/images/eprints/spacer.gif" width="68" height="1" border="0" alt="" /></td>
  346.           <td><img src="/images/eprints/spacer.gif" width="68" height="1" border="0" alt="" /></td>
  347.           <td><img src="/images/eprints/spacer.gif" width="68" height="1" border="0" alt="" /></td>
  348.           <td><img src="/images/eprints/spacer.gif" width="82" height="1" border="0" alt="" /></td>
  349.           <td><img src="/images/eprints/spacer.gif" width="69" height="1" border="0" alt="" /></td>
  350.           <td><img src="/images/eprints/spacer.gif" width="98" height="1" border="0" alt="" /></td>
  351.           <td><img src="/images/eprints/spacer.gif" width="1" height="1" border="0" alt="" /></td>
  352.         </tr>
  353.         <tr>
  354.           <td colspan="12"><img name="ePrints_banner_r1_c1" src="/images/eprints/ePrints_banner_r1_c1.gif" width="795" height="10" border="0" alt="" /></td>
  355.           <td><img src="/images/eprints/spacer.gif" width="1" height="10" border="0" alt="" /></td>
  356.         </tr>
  357.         <tr>
  358.           <td rowspan="6"><img name="ePrints_banner_r2_c1" src="/images/eprints/ePrints_banner_r2_c1.gif" width="32" height="118" border="0" alt="" /></td>
  359.           <td rowspan="5"><a href="http://www.utas.edu.au/"><img name="ePrints_banner_r2_c2" src="/images/eprints/ePrints_banner_r2_c2.gif" width="104" height="103" border="0" alt="" /></a></td>
  360.           <td colspan="10"><img name="ePrints_banner_r2_c3" src="/images/eprints/ePrints_banner_r2_c3.gif" width="659" height="41" border="0" alt="" /></td>
  361.           <td><img src="/images/eprints/spacer.gif" width="1" height="41" border="0" alt="" /></td>
  362.         </tr>
  363.         <tr>
  364.           <td colspan="3"><a href="http://eprints.utas.edu.au/"><img name="ePrints_banner_r3_c3" src="/images/eprints/ePrints_banner_r3_c3.gif" width="190" height="31" border="0" alt="" /></a></td>
  365.           <td rowspan="2" colspan="7"><img name="ePrints_banner_r3_c6" src="/images/eprints/ePrints_banner_r3_c6.gif" width="469" height="37" border="0" alt="" /></td>
  366.           <td><img src="/images/eprints/spacer.gif" width="1" height="31" border="0" alt="" /></td>
  367.         </tr>
  368.         <tr>
  369.           <td colspan="3"><img name="ePrints_banner_r4_c3" src="/images/eprints/ePrints_banner_r4_c3.gif" width="190" height="6" border="0" alt="" /></td>
  370.           <td><img src="/images/eprints/spacer.gif" width="1" height="6" border="0" alt="" /></td>
  371.         </tr>
  372.         <tr>
  373.           <td colspan="2"><img name="ePrints_banner_r5_c3" src="/images/eprints/ePrints_banner_r5_c3.gif" width="149" height="1" border="0" alt="" /></td>
  374.           <td rowspan="2" colspan="2"><a href="/information.html" onMouseOut="MM_swapImgRestore();MM_startTimeout()" onMouseOver="MM_showMenu(window.mm_menu_0821132634_0,0,25,null,'ePrints_banner_r5_c5');MM_swapImage('ePrints_banner_r5_c5','','/images/eprints/ePrints_banner_r5_c5_f2.gif',1);"><img name="ePrints_banner_r5_c5" src="/images/eprints/ePrints_banner_r5_c5.gif" width="57" height="25" border="0" alt="About" /></a></td>
  375.           <td rowspan="2"><a href="/view/" onMouseOut="MM_swapImgRestore();MM_startTimeout()" onMouseOver="MM_showMenu(window.mm_menu_0821133021_1,0,25,null,'ePrints_banner_r5_c7');MM_swapImage('ePrints_banner_r5_c7','','/images/eprints/ePrints_banner_r5_c7_f2.gif',1);"><img name="ePrints_banner_r5_c7" src="/images/eprints/ePrints_banner_r5_c7.gif" width="68" height="25" border="0" alt="Browse" /></a></td>
  376.           <td rowspan="2"><a href="/perl/search/simple" onMouseOut="MM_swapImgRestore();MM_startTimeout()" onMouseOver="MM_showMenu(window.mm_menu_0821133201_2,0,25,null,'ePrints_banner_r5_c8');MM_swapImage('ePrints_banner_r5_c8','','/images/eprints/ePrints_banner_r5_c8_f2.gif',1);"><img name="ePrints_banner_r5_c8" src="/images/eprints/ePrints_banner_r5_c8.gif" width="68" height="25" border="0" alt="Search" /></a></td>
  377.           <td rowspan="2"><a href="/perl/register" onMouseOut="MM_swapImgRestore();MM_startTimeout();" onMouseOver="MM_showMenu(window.mm_menu_1018171924_3,0,25,null,'ePrints_banner_r5_c9');MM_swapImage('ePrints_banner_r5_c9','','/images/eprints/ePrints_banner_r5_c9_f2.gif',1);"><img name="ePrints_banner_r5_c9" src="/images/eprints/ePrints_banner_r5_c9.gif" width="68" height="25" border="0" alt="register" /></a></td>
  378.           <td rowspan="2"><a href="/perl/users/home" onMouseOut="MM_swapImgRestore();MM_startTimeout()" onMouseOver="MM_showMenu(window.mm_menu_0821133422_4,0,25,null,'ePrints_banner_r5_c10');MM_swapImage('ePrints_banner_r5_c10','','/images/eprints/ePrints_banner_r5_c10_f2.gif',1);"><img name="ePrints_banner_r5_c10" src="/images/eprints/ePrints_banner_r5_c10.gif" width="82" height="25" border="0" alt="user area" /></a></td>
  379.           <td rowspan="2"><a href="/help/" onMouseOut="MM_swapImgRestore();MM_startTimeout()" onMouseOver="MM_showMenu(window.mm_menu_0821133514_5,0,25,null,'ePrints_banner_r5_c11');MM_swapImage('ePrints_banner_r5_c11','','/images/eprints/ePrints_banner_r5_c11_f2.gif',1);"><img name="ePrints_banner_r5_c11" src="/images/eprints/ePrints_banner_r5_c11.gif" width="69" height="25" border="0" alt="Help" /></a></td>
  380.           <td rowspan="3" colspan="4"><img name="ePrints_banner_r5_c12" src="/images/eprints/ePrints_banner_r5_c12.gif" width="98" height="40" border="0" alt="" /></td>
  381.           <td><img src="/images/eprints/spacer.gif" width="1" height="1" border="0" alt="" /></td>
  382.         </tr>
  383.         <tr>
  384.           <td rowspan="2"><img name="ePrints_banner_r6_c3" src="/images/eprints/ePrints_banner_r6_c3.gif" width="44" height="39" border="0" alt="ePrints home" /></td>
  385.           <td><a href="/" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage('ePrints_banner_r6_c4','','/images/eprints/ePrints_banner_r6_c4_f2.gif',1);"><img name="ePrints_banner_r6_c4" src="/images/eprints/ePrints_banner_r6_c4.gif" width="105" height="24" border="0" alt="ePrints home" /></a></td>
  386.           <td><img src="/images/eprints/spacer.gif" width="1" height="24" border="0" alt="" /></td>
  387.         </tr>
  388.         <tr>
  389.           <td><img name="ePrints_banner_r7_c2" src="/images/eprints/ePrints_banner_r7_c2.gif" width="104" height="15" border="0" alt="" /></td>
  390.           <td colspan="8"><img name="ePrints_banner_r7_c4" src="/images/eprints/ePrints_banner_r7_c4.gif" width="517" height="15" border="0" alt="" /></td>
  391.           <td><img src="/images/eprints/spacer.gif" width="1" height="15" border="0" alt="" /></td>
  392.         </tr>
  393.       </table></td>
  394.   </tr>
  395.     <tr><td><table width="100%" style="font-size: 90%; border: solid 1px #ccc; padding: 3px"><tr>
  396.       <td align="left"><a href="http://eprints.utas.edu.au/cgi/users/home">Login</a> | <a href="http://eprints.utas.edu.au/cgi/register">Create Account</a></td>
  397.       <td align="right" style="white-space: nowrap">
  398.         <form method="get" accept-charset="utf-8" action="http://eprints.utas.edu.au/cgi/search" style="display:inline">
  399.           <input class="ep_tm_searchbarbox" size="20" type="text" name="q" />
  400.           <input class="ep_tm_searchbarbutton" value="Search" type="submit" name="_action_search" />
  401.           <input type="hidden" name="_order" value="bytitle" />
  402.           <input type="hidden" name="basic_srchtype" value="ALL" />
  403.           <input type="hidden" name="_satisfyall" value="ALL" />
  404.         </form>
  405.       </td>
  406.     </tr></table></td></tr>
  407.   <tr>
  408.     <td class="toplinks"><!-- InstanceBeginEditable name="content" -->
  409.  
  410.  
  411. <div align="center">
  412.   
  413.   <table width="720" class="ep_tm_main"><tr><td align="left">
  414.     <h1 class="ep_tm_pagetitle">Diurnal depression of leaf hydraulic conductance in a tropical tree species</h1>
  415.     <p style="margin-bottom: 1em" class="not_ep_block"><span class="person_name">Brodribb, Tim J.</span> and <span class="person_name">Holbrook, N. M.</span> (2004) <xhtml:em>Diurnal depression of leaf hydraulic conductance in a tropical tree species.</xhtml:em> Plant, Cell and Environment, 27 (7). pp. 820-827. ISSN 0140-7791</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/2596/1/diurnal_depression.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/2596/1/diurnal_depression.pdf"><span class="ep_document_citation">PDF</span></a> - Full text restricted - Requires a PDF viewer<br />310Kb</td><td><form method="get" accept-charset="utf-8" action="http://eprints.utas.edu.au/cgi/request_doc"><input accept-charset="utf-8" value="3404" 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/10.1111/j.1365-3040.2004.01188.x">http://dx.doi.org/10.1111/j.1365-3040.2004.01188.x</a></p><div class="not_ep_block"><h2>Abstract</h2><p style="padding-bottom: 16px; text-align: left; margin: 1em auto 0em auto">Diurnal patterns of hydraulic conductance of the leaf lamina&#13;
  416. (&#13;
  417. K&#13;
  418. leaf&#13;
  419. ) were monitored in a field-grown tropical tree&#13;
  420. species in an attempt to ascertain whether the dynamics of&#13;
  421. stomatal conductance (&#13;
  422. g&#13;
  423. s&#13;
  424. ) and CO&#13;
  425. 2&#13;
  426. uptake (&#13;
  427. A&#13;
  428. leaf&#13;
  429. ) were&#13;
  430. associated with short-term changes in&#13;
  431. K&#13;
  432. leaf&#13;
  433. . On days of high&#13;
  434. evaporative demand mid-day depression of&#13;
  435. K&#13;
  436. leaf&#13;
  437. to between&#13;
  438. 40 and 50% of pre-dawn values was followed by a rapid&#13;
  439. recovery after 1500 h. Leaf water potential during the&#13;
  440. recovery stage was less than&#13;
  441. -&#13;
  442. 1 MPa implying a refilling&#13;
  443. mechanism, or that loss of&#13;
  444. K&#13;
  445. leaf&#13;
  446. was not linked to cavitation.&#13;
  447. Laboratory measurement of the response of&#13;
  448. K&#13;
  449. leaf&#13;
  450. to&#13;
  451. Y&#13;
  452. leaf&#13;
  453. confirmed that leaves in the field were operating at water&#13;
  454. potentials within the depressed region of the leaf ‘vulnerability&#13;
  455. curve’. Diurnal courses of&#13;
  456. K&#13;
  457. leaf&#13;
  458. and&#13;
  459. Y&#13;
  460. leaf&#13;
  461. predicted&#13;
  462. from measured transpiration, xylem water potential and&#13;
  463. the&#13;
  464. K&#13;
  465. leaf&#13;
  466. vulnerability function, yielded good agreement&#13;
  467. with observed trends in both leaf parameters. Close correlation&#13;
  468. between depression of&#13;
  469. K&#13;
  470. leaf&#13;
  471. ,&#13;
  472. g&#13;
  473. s&#13;
  474. and&#13;
  475. A&#13;
  476. leaf&#13;
  477. suggests that&#13;
  478. xylem dysfunction in the leaf may lead to mid-day depression&#13;
  479. of gas exchange in this species.</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 definitive version is available at www.blackwell-synergy.com"&#13;
  480. </td></tr><tr><th valign="top" class="ep_row">Keywords:</th><td valign="top" class="ep_row">gas exchange; leaf hydraulic conductance; midday&#13;
  481. depression; stomata; water use.</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 &gt; 270400 Botany &gt; 270402 Plant Physiology</a><br /><a href="http://eprints.utas.edu.au/view/subjects/270400.html">270000 Biological Sciences &gt; 270400 Botany</a></td></tr><tr><th valign="top" class="ep_row">ID Code:</th><td valign="top" class="ep_row">2596</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">30 Nov 2007 13:06</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=2596;">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&amp;eprintid=2596">item control page</a></p>
  482.   </td></tr></table>
  483. </div>
  484.  
  485.  
  486.  
  487.     <!-- InstanceEndEditable --></td>
  488.   </tr>
  489.   <tr>
  490.     <td><!-- #BeginLibraryItem "/Library/footer_eprints.lbi" -->
  491.     <table width="795" border="0" align="left" cellpadding="0" class="footer">
  492.   <tr valign="top">
  493. <td colspan="2"><div align="center"><a href="http://www.utas.edu.au">UTAS home</a> | <a href="http://www.utas.edu.au/library/">Library home</a> | <a href="/">ePrints home</a> | <a href="/contact.html">contact</a> | <a href="/information.html">about</a> | <a href="/view/">browse</a> | <a href="/perl/search/simple">search</a> | <a href="/perl/register">register</a> | <a href="/perl/users/home">user area</a> | <a href="/help/">help</a></div><br /></td>
  494. </tr>
  495. <tr><td colspan="2"><p><img src="/images/eprints/footerline.gif" width="100%" height="4" /></p></td></tr>
  496.       <tr valign="top">
  497.         <td width="68%" class="footer">Authorised by the University Librarian<br />
  498. © University of Tasmania ABN 30 764 374 782<br />
  499.       <a href="http://www.utas.edu.au/cricos/">CRICOS Provider Code 00586B</a> | <a href="http://www.utas.edu.au/copyright/copyright_disclaimers.html">Copyright &amp; Disclaimers</a> | <a href="http://www.utas.edu.au/accessibility/index.html">Accessibility</a> | <a href="http://eprints.utas.edu.au/feedback/">Site Feedback</a>  </td>
  500.         <td width="32%"><div align="right">
  501.             <p align="right" class="NoPrint"><a href="http://www.utas.edu.au/"><img src="http://www.utas.edu.au/shared/logos/unioftasstrip.gif" alt="University of Tasmania Home Page" width="260" height="16" border="0" align="right" /></a></p>
  502.             <p align="right" class="NoPrint"><a href="http://www.utas.edu.au/"><br />
  503.             </a></p>
  504.         </div></td>
  505.       </tr>
  506.       <tr valign="top">
  507.         <td><p>  </p></td>
  508.         <td><div align="right"><span class="NoPrint"><a href="http://www.eprints.org/software/"><img src="/images/eprintslogo.gif" alt="ePrints logo" width="77" height="29" border="0" align="bottom" /></a></span></div></td>
  509.       </tr>
  510.     </table>
  511.     <!-- #EndLibraryItem -->
  512.     <div align="center"></div></td>
  513.   </tr>
  514. </table>
  515.  
  516.   </body>
  517. </html>