<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1405-0471</journal-id>
<journal-title><![CDATA[Madera y bosques]]></journal-title>
<abbrev-journal-title><![CDATA[Madera bosques]]></abbrev-journal-title>
<issn>1405-0471</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Ecología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-04712020000200212</article-id>
<article-id pub-id-type="doi">10.21829/myb.2020.2621953</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación del índice de área foliar con método indirecto y directo en distintas condiciones ambientales en plantaciones dendroenergéticas de Eucalyptus tereticornis Sm.]]></article-title>
<article-title xml:lang="en"><![CDATA[Evaluation of leaf area index with indirect and direct method in different environmental conditions in dendroenergetic plantations of Eucalyptus tereticornis Sm.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valverde]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[Dagoberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico de Costa Rica Escuela de Ingeniería Forestal Laboratorio de Ecofisiología Forestal y Aplicaciones Ecosistémicas]]></institution>
<addr-line><![CDATA[Cartago ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<volume>26</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-04712020000200212&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-04712020000200212&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-04712020000200212&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El índice de área foliar (IAF) es un parámetro relacionado con múltiples variables fisiológicas y de crecimiento en especies arbóreas. Su evaluación se ha realizado con técnicas directa e indirecta; la primera es de carácter destructivo, pero con un nivel de precisión elevado; la indirecta es de rápido desarrollo y no afecta el crecimiento del individuo, pero tiene menor precisión. En este último grupo destacan los sistemas ópticos, específicamente el LAI-2000 y las fotografías hemisféricas (FDH) que son las que han proporcionado los mejores resultados en múltiples especies de plantas. Este trabajo evaluó el uso del LAI-2000 (IAF, en español) y de la FDH tomadas con un dispositivo móvil, usando una lente de ojo de pez y una aplicación móvil; se compararon sus resultados con los del método destructivo. La valoración se hizo en dos coberturas de nubes y cuatro intervalos de velocidad del viento. Los resultados mostraron que el mejor método indirecto fue el FDH-app con el modelo IAF = 0,88·IAP + 0,17 con un R2 de 0,83, seguido por el IAF-2000 y FDH-Lente. En cuanto a la nubosidad, se encontró que se tiende a subestimar entre 8% y 60% el IAF en cobertura parcialmente nublada, indistintamente del método indirecto, pero se mantuvo el FDH-app como el mejor método. Finalmente, se encontró que vientos superiores a 5 km/h generan variaciones de hasta 60% en el IAF, ya que producen una aleatoriedad del movimiento de las hojas y, con ello, cambios en la estructura de la copa; es decir, disminuyen la precisión del IAF.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Leaf Area Index (LAI) is a parameter related to multiple physiological variables and growth in tree species. Its evaluation has been done through direct and indirect techniques; the first one is a destructive test with a higher level of precision, while the indirect technique, being one of rapid development, does not affect the growth of the individual but yields results with lesser precision. Among this group, the optical systems stand out, specifically LAI-2000 and the hemispheric digital photography (FDH), which yields the best results obtained in multiple plant species tests. This work evaluated the use of LAI-2000 and FDH taken with a mobile device, using a fisheye lens, a mobile application and comparing their results with the destructive method. Also, the assessment was made in two cloud covers and four wind speed ranges. The results showed that the best indirect method was the FDH-app with the model IAF = 0.88 IAP + 0.17 with an R2 of 0,83, followed by the IAF-2000 and FDH-Lent. It was found a tendency to underestimate the IAF in partially cloudy coverage between 8% and 60%, regardless of the indirect method, although the FDH-app was maintained as the best method. Finally, it was found that winds ranging bigger than 5 km/h generate variations of up to 60% in the IAF values due to changes in the structure of the treetop generating randomness of the movement of the leaves that infers in the increase of the IAF variability, therefore, decreasing its accuracy.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[aplicaciones móviles]]></kwd>
<kwd lng="es"><![CDATA[árboles]]></kwd>
<kwd lng="es"><![CDATA[fotografía hemisférica digital]]></kwd>
<kwd lng="es"><![CDATA[LAI-2000]]></kwd>
<kwd lng="es"><![CDATA[método directo]]></kwd>
<kwd lng="es"><![CDATA[método indirecto]]></kwd>
<kwd lng="en"><![CDATA[app]]></kwd>
<kwd lng="en"><![CDATA[trees]]></kwd>
<kwd lng="en"><![CDATA[digital hemispheric photography]]></kwd>
<kwd lng="en"><![CDATA[LAI-2000]]></kwd>
<kwd lng="en"><![CDATA[direct method]]></kwd>
<kwd lng="en"><![CDATA[indirect method]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bréda]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ground&#8208;based measurements of leaf area index: a review of methods, instruments and current controversies]]></article-title>
<source><![CDATA[Journal of Experimental Botany]]></source>
<year>2003</year>
<volume>54</volume>
<numero>392</numero>
<issue>392</issue>
<page-range>2403-17</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Plummer]]></surname>
<given-names><![CDATA[P. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Rich]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Gower]]></surname>
<given-names><![CDATA[S. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Norman]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Leaf area index measurements]]></article-title>
<source><![CDATA[Journal Geophys Reseach]]></source>
<year>1997</year>
<volume>102</volume>
<numero>29</numero>
<issue>29</issue>
<page-range>429-43</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chianucci]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Cutini]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Digital hemispherical photography for estimating forest canopy properties: current controversies and opportunities]]></article-title>
<source><![CDATA[iForest]]></source>
<year>2012</year>
<volume>5</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>290-5</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chianucci]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Cutini]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estimation of canopy properties in deciduous forests with digital hemispherical and cover photography]]></article-title>
<source><![CDATA[Agricultural and Forest Meteorology]]></source>
<year>2013</year>
<volume>168</volume>
<page-range>130-9</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chianucci]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Macfarlane]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Pisek]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Cutini]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Casa]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estimation of foliage clumping from the LAI-2000 Plant Canopy Analyzer: effect of view caps]]></article-title>
<source><![CDATA[Trees]]></source>
<year>2014</year>
<volume>29</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>355-66</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Confalonieri]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Foi]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Casa]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Aquaro]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Tona]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Peterle]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Boldini]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Carli]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Ferrari]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Finotto]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Guarneri]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Manzoni]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Movedi]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Nisoli]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Paleari]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Radici]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Suardi]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Veronesi]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Bregaglio]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Cappelli]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Chiodini]]></surname>
<given-names><![CDATA[M.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Dominoni]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Francone]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Frasso]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Stella]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Acutis]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Development of an app for estimating leaf area index using a smartphone. Trueness and precision determination and comparison with other indirect methods]]></article-title>
<source><![CDATA[Computers and Electronics in Agriculture]]></source>
<year>2013</year>
<volume>96</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1050-62</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Demarez]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Duthoit]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Baret]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Weiss]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Dedieu]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estimation of leaf area and clumping indexes of crops with hemispherical photographs]]></article-title>
<source><![CDATA[Agricultural and Forest Meteorology]]></source>
<year>2008</year>
<volume>148</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>644-55</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dovey]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[du Toit]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Calibration of LAI-2000 canopy analyser with leaf area index in a young eucalypt stand]]></article-title>
<source><![CDATA[Trees]]></source>
<year>2005</year>
<volume>20</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>273-7</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Facchi]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Baroni]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Boschetti]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Gandol]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparing optical and direct methods for leaf area index determination in a maize crop]]></article-title>
<source><![CDATA[Journal of Agriculture Engineer]]></source>
<year>2010</year>
<volume>9</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>33-40</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gower]]></surname>
<given-names><![CDATA[S.T.]]></given-names>
</name>
<name>
<surname><![CDATA[Kucharik]]></surname>
<given-names><![CDATA[C.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Norman]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Direct and indirect estimation of leafarea index, fAPAR, and net primary production of terrestrial ecosystems]]></article-title>
<source><![CDATA[Remote Sensors Environtal]]></source>
<year>1999</year>
<volume>70</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>29-51</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Leblanc]]></surname>
<given-names><![CDATA[S.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A practical scheme for correcting multiple scattering effects on optical IAF measurements]]></article-title>
<source><![CDATA[Agricultural and Forest Meteorology]]></source>
<year>2001</year>
<volume>110</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>125-39</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="">
<collab>IMN</collab>
<source><![CDATA[Condiciones meteorológicas regionales]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jonckheere]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Fleck]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Nackaerts]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Muys]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Coppin]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Review of methods for in situ leaf area index determination: Part I. Theories, sensors and hemispherical photography]]></article-title>
<source><![CDATA[Agricultural and Forest Meteorology]]></source>
<year>2004</year>
<volume>121</volume>
<page-range>19-35</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kucharik]]></surname>
<given-names><![CDATA[C.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Norman]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Gower]]></surname>
<given-names><![CDATA[S.T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Measurements of branch area and adjusting leaf area index indirect measurements]]></article-title>
<source><![CDATA[Agricultural and Forest Meteorology]]></source>
<year>1998</year>
<volume>91</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>69-88</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Küßner]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Mosandl]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of direct and indirect estimation of leaf area index in mature Norway spruce stands of eastern Germany]]></article-title>
<source><![CDATA[Canada Journal of Forest Research]]></source>
<year>2000</year>
<volume>30</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>440-7</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lang]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Leaf-area and average leaf angle from transmission of direct sunlight]]></article-title>
<source><![CDATA[Australian Journal of Botanic]]></source>
<year>1986</year>
<volume>34</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>349-55</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<collab>LI-COR Biosciences</collab>
<source><![CDATA[LAI-2000 Plant canopy analyser: instruction manual]]></source>
<year>2010</year>
<publisher-loc><![CDATA[Lincoln, Nebrasca ]]></publisher-loc>
<publisher-name><![CDATA[LI-COR]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Jin]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Qi]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estimate of leaf area index in an old-growth mixed broadleaved-Korean Pine Forest in Northeastern China]]></article-title>
<source><![CDATA[PloS one]]></source>
<year>2012</year>
<volume>7</volume>
<numero>6</numero>
<issue>6</issue>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mason]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Diepstraten]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Pinjuv]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Lasserre]]></surname>
<given-names><![CDATA[J.P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of direct and indirect leaf area index measurements of Pinus radiata D. Don]]></article-title>
<source><![CDATA[Agricultural and Forest Meteorology]]></source>
<year>2012</year>
<volume>166</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>113-9</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mougin]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Demarez]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Diawara]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Hiernaux]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Soumaguel]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Berg]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estimation of IAF, fAPAR and fCover of Sahel rangelands (Gourma, Mali)]]></article-title>
<source><![CDATA[Agricultural and Forest Meteorology]]></source>
<year>2014</year>
<volume>198-199</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>155-67</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nackaerts]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Coppin]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Muys]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Hermy]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sampling methodology for IAF measurements with LAI-2000 in small forest stands]]></article-title>
<source><![CDATA[Agricultural and Forest Meteorology]]></source>
<year>2000</year>
<volume>101</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>247-50</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nguy-Robertson]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Peng]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Gitelson]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Arkebauer]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Pimstein]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Herrmann]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Karnieli]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Rundquist]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Bonfil]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estimating green IAF in four crops: Potential of determining optimal spectral bands for a universal algorithm]]></article-title>
<source><![CDATA[Agricultural and Forest Meteorology]]></source>
<year>2014</year>
<volume>192-193</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>140-8</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Piayda]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Dubbert]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Werner]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Correia]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Cuntz]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influence of woody tissue and leaf clumping on vertically resolved leaf area index and angular gap probability estimates]]></article-title>
<source><![CDATA[Forest Ecology and Management]]></source>
<year>2015</year>
<volume>340</volume>
<page-range>103-13</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pisek]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ryu]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Alikas]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estimating leaf inclination and G-function from leveled digital camera photography in broadleaf canopies]]></article-title>
<source><![CDATA[Trees]]></source>
<year>2011</year>
<volume>25</volume>
<page-range>919-24</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Poblete-Echeverría]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Fuentes]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ortega-Farias]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Gonzalez-Talice]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Yuri]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Digital Cover Photography for Estimating Leaf Area Index (IAF) in Apple Trees Using a Variable Light Extinction Coefficient]]></article-title>
<source><![CDATA[Sensors]]></source>
<year>2015</year>
<volume>15</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1-8</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="book">
<collab>Statsoft</collab>
<source><![CDATA[STATISTICA, version 9.0.]]></source>
<year>2015</year>
<publisher-loc><![CDATA[London ]]></publisher-loc>
<publisher-name><![CDATA[Statsoft]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Valverde]]></surname>
<given-names><![CDATA[J. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Guevara-Bonilla]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Briceño]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Esquivel]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efectos de las actividades de labranza en el índice de área foliar en una plantación de Tectona grandis en la zona norte de Costa Rica]]></article-title>
<source><![CDATA[Madera y Bosques]]></source>
<year>2017</year>
<volume>23</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>7-19</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vojtech]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Turnbull]]></surname>
<given-names><![CDATA[L.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Hector]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Differences in light interception in grass monocultures predict short-term competitive outcomes under productive conditions]]></article-title>
<source><![CDATA[PloS one]]></source>
<year>2007</year>
<volume>2</volume>
<numero>1</numero>
<issue>1</issue>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vyas]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Mehta]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Dinakaran]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Krishnayya]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Allometric equations for estimating leaf area index (IAF) of two important tropical species (Tectona grandis and Dendrocalamus strictus)]]></article-title>
<source><![CDATA[Journal of Forestry Research]]></source>
<year>2010</year>
<volume>21</volume>
<page-range>197-200</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Weiss]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Baret]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[G.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Jonckheere]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Coppin]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Review of methodsfor in situ leaf area index (IAF) determination. Part II. Estimation of IAF, errorsand sampling]]></article-title>
<source><![CDATA[Agricultural and Forest Meteorology]]></source>
<year>2004</year>
<volume>121</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>37-53</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yan]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Hu]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Luo]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Weiss]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiang]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Mu]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Donghui]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Review of indirect optical measurements of leaf area index: Recent advances, challenges, and perspectives]]></article-title>
<source><![CDATA[Agricultural and Forest Meteorology]]></source>
<year>2019</year>
<volume>265</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>390-411</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhou]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Q.]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Geen roof simulation with seasonally variable leaf area index]]></article-title>
<source><![CDATA[Energy and building]]></source>
<year>2018</year>
<volume>174</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>156-67</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zou]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Mõttus]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Tammeorg]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Takala]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Pisek]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Mäkelä]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Stoddard]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Pellikka]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Photographic measurement of leaf angles in field crops]]></article-title>
<source><![CDATA[Agricultural and Forest Meteorology]]></source>
<year>2014</year>
<volume>184</volume>
<page-range>137-46</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
