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<div class=WordSection1>

<table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0
 summary="Heading, logo, and link to DELTA home" width="100%" style='width:
 100.0%;border-collapse:collapse'>
 <tr style='page-break-inside:avoid'>
  <td valign=top style='padding:1.8pt 2.4pt 1.2pt 2.4pt'>
  <p class=MsoNormal><a href="http://www.delta-intkey.com/"><span
  style='text-decoration:none'><img border=0 width=32 height=32
  src=deltlogo.gif alt="DELTA home"></span></a></p>
  </td>
  <td valign=top style='padding:1.2pt 2.4pt 1.2pt 2.4pt'>
  <h1><span style='color:black'>Commercial timbers</span></h1>
  </td>
  <td valign=top style='padding:1.2pt 27.0pt 1.2pt 2.4pt'></td>
 </tr>
</table>

<p class=author><span lang=EN style='color:black'><a
href="http://www.delta-intkey.com/contact/richter.htm">H.G. Richter</a> and
M.J. Dallwitz</span></p>

<h3><span lang=EN style='color:black'>Introduction </span></h3>

<p><span lang=EN style='color:black'>This database contains descriptions and an
interactive identification system for hardwood taxa common in the international
trade that occur in all major forest regions of the world. The package is
designed primarily for use by researchers in wood and forest science, and
educational facilities active in teaching wood anatomy and wood identification.</span></p>

<p><span lang=EN style='color:black'>The package has been elaborated and is
being maintained at the Thnen-Institute for Wood Research, Hamburg, Germany,
in the form of a <a href="http://www.delta-intkey.com/">DELTA</a> database
(Dallwitz 1980; Dallwitz, Paine and Zurcher 1993). It was created with the
intent to facilitate identification of trade timbers and information retrieval
about their wood structure, for use by individuals and institutions that do not
have a large institutional wood collection at their disposal.</span></p>

<p><span lang=EN style='color:black'>The database contains at present the coded
descriptions of close to 400 taxa (commercial timbers). The characters and
accompanying character notes adhere to the IAWA List of Microscopic Features
for Hardwood Identification (IAWA 1989; check with the <a
href="http://www.iawa-website.org/">IAWA Web site</a>), except for some
additional characters not referred to in the IAWA list. About 75% of the
characters and all taxa included in the database are illustrated. The
distributed version is, and will remain for some time to come, a test version,
which does not claim to be complete (it probably will never be). New taxa
will be added to the database as need arises and time permits.</span></p>

<p><span lang=EN style='color:black'>Identification and interrogation of the
data can be conducted in five languages: English, <a
href="http://www.delta-intkey.com/wood/fr/index.htm">French</a>, <a
href="http://www.delta-intkey.com/wood/de/index.htm">German</a>, <a
href="http://www.delta-intkey.com/wood/pt/index.htm">Portuguese</a>, and <a
href="http://www.delta-intkey.com/wood/es/index.htm">Spanish</a>.</span></p>

<p><span lang=EN style='color:black'>The interactive identification and
information retrieval package uses the free program <a
href="http://www.delta-intkey.com/www/programs.htm">Intkey</a> (Dallwitz, Paine
and Zurcher 1995, 2000). It provides convenient and flexible access to most of
the information in the DELTA database.</span></p>

<h4><span lang=EN style='color:black'>What is new in the 2015 version?</span></h4>

<p><span lang=EN style='color:black'>- The continuously changing botanical
nomenclature has been updated.</span></p>

<p><span lang=EN style='color:black'>- Around 30 additional trade timbers have
been described and illustrated, especially those that are processed for
imported goods from the Far East.</span></p>

<p><span lang=EN style='color:black'>- Macroscopic images (cross section
approximately 10x and longitudinal surfaces in natural size) available from
other databases were incorporated.</span></p>

<p><span lang=EN style='color:black'>- Thanks to the many indications of
dedicated users of the database, spelling errors were eliminated and
improvements in the coding of the characters effected.</span></p>

<div class=MsoNormal align=center style='margin-top:10.8pt;text-align:center'><span
lang=EN style='color:black'>

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