{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,6]],"date-time":"2025-10-06T05:56:54Z","timestamp":1759730214594,"version":"build-2065373602"},"reference-count":102,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2014,2,1]],"date-time":"2014-02-01T00:00:00Z","timestamp":1391212800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2014,2,1]],"date-time":"2014-02-01T00:00:00Z","timestamp":1391212800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"funder":[{"name":"BIOSPEC","award":["CGL2008-02301\/CLI"],"award-info":[{"award-number":["CGL2008-02301\/CLI"]}]},{"name":"FLUXPEC","award":["CGL2012-34383"],"award-info":[{"award-number":["CGL2012-34383"]}]}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["International Journal of Applied Earth Observation and Geoinformation"],"published-print":{"date-parts":[[2014,2]]},"DOI":"10.1016\/j.jag.2013.05.013","type":"journal-article","created":{"date-parts":[[2013,7,11]],"date-time":"2013-07-11T03:03:09Z","timestamp":1373511789000},"page":"105-118","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":14,"special_numbering":"C","title":["Understanding the optical responses of leaf nitrogen in Mediterranean Holm oak (Quercus ilex) using field spectroscopy"],"prefix":"10.1016","volume":"26","author":[{"given":"Javier","family":"Pacheco-Labrador","sequence":"first","affiliation":[]},{"given":"Rosario","family":"Gonz\u00e1lez-Casc\u00f3n","sequence":"additional","affiliation":[]},{"given":"M. Pilar","family":"Mart\u00edn","sequence":"additional","affiliation":[]},{"given":"David","family":"Ria\u00f1o","sequence":"additional","affiliation":[]}],"member":"78","reference":[{"year":"1999","series-title":"ASD Technical Guide","author":"ASD","key":"10.1016\/j.jag.2013.05.013_bib0005"},{"key":"10.1016\/j.jag.2013.05.013_bib0010","doi-asserted-by":"crossref","first-page":"479","DOI":"10.1046\/j.1365-2486.2003.00629.x","article-title":"Assessing the eddy covariance technique for evaluating carbon dioxide exchange rates of ecosystems: past, present and future","volume":"9","author":"Baldocchi","year":"2003","journal-title":"Glob. Chang Biol."},{"key":"10.1016\/j.jag.2013.05.013_bib0015","doi-asserted-by":"crossref","first-page":"85","DOI":"10.1016\/0098-8472(92)90034-Y","article-title":"A reappraisal of the use of DMSO for the extraction and determination of chlorophylls a and b in lichens and higher plants","volume":"32","author":"Barnes","year":"1992","journal-title":"Environ. Exp. Bot."},{"key":"10.1016\/j.jag.2013.05.013_bib0020","doi-asserted-by":"crossref","first-page":"692","DOI":"10.1016\/j.scitotenv.2008.10.001","article-title":"Carbon and nitrogen cycles in European ecosystems respond differently to global warming","volume":"407","author":"Beier","year":"2008","journal-title":"Sci. Total Environ."},{"year":"1992","series-title":"Nutritional Disorders of Plants: Development, Visual and Analytical Diagnosis","author":"Bergmann","key":"10.1016\/j.jag.2013.05.013_bib0025"},{"key":"10.1016\/j.jag.2013.05.013_bib0030","doi-asserted-by":"crossref","first-page":"657","DOI":"10.1080\/014311698215919","article-title":"Spectral indices for estimating photosynthetic pigment concentrations: a test using senescent tree leaves","volume":"19","author":"Blackburn","year":"1998","journal-title":"Int. J. Remote Sens."},{"year":"2005","series-title":"Los bosques ib\u00e9ricos. Una interpretaci\u00f3n geobot\u00e1nica","author":"Blanco","key":"10.1016\/j.jag.2013.05.013_bib0035"},{"key":"10.1016\/j.jag.2013.05.013_bib0040","series-title":"Partial r2, Contribution and Fraction [a]","first-page":"1","author":"Borcard","year":"2002"},{"key":"10.1016\/j.jag.2013.05.013_bib0045","doi-asserted-by":"crossref","first-page":"156","DOI":"10.1016\/S0034-4257(00)00197-8","article-title":"Comparing prediction power and stability of broadband and hyperspectral vegetation indices for estimation of green leaf area index and canopy chlorophyll density","volume":"76","author":"Broge","year":"2001","journal-title":"Remote Sens. Environ."},{"year":"2008","series-title":"Handbook of Near-Infrared Analysis","author":"Burns","key":"10.1016\/j.jag.2013.05.013_bib0050"},{"key":"10.1016\/j.jag.2013.05.013_bib0055","doi-asserted-by":"crossref","first-page":"711","DOI":"10.1080\/01431169308904370","article-title":"In vivo spectroscopy and internal optics of leaves as a basis for remote sensing of vegetation","volume":"14","author":"Buschman","year":"1993","journal-title":"Int. J. Remote Sens."},{"key":"10.1016\/j.jag.2013.05.013_bib0060","doi-asserted-by":"crossref","first-page":"697","DOI":"10.1080\/01431169408954109","article-title":"Ratios of leaf reflectances in narrow wavebands as indicators of plant stress","volume":"15","author":"Carter","year":"1994","journal-title":"Int. J. Remote Sens."},{"key":"10.1016\/j.jag.2013.05.013_bib0065","doi-asserted-by":"crossref","first-page":"402","DOI":"10.1139\/x26-045","article-title":"Spectral reflectance characteristics and digital imagery of a pine needle blight in the southeastern United States","volume":"26","author":"Carter","year":"1996","journal-title":"Can. J. For. Res."},{"key":"10.1016\/j.jag.2013.05.013_bib0070","doi-asserted-by":"crossref","first-page":"239","DOI":"10.1016\/0034-4257(92)90089-3","article-title":"Ratio analysis of reflectance spectra (RARS): an algorithm for the remote estimation of the concentrations of chlorophyll A, chlorophyll B, and carotenoids in soybean leaves","volume":"39","author":"Chappelle","year":"1992","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0075","doi-asserted-by":"crossref","first-page":"229","DOI":"10.1080\/07038992.1996.10855178","article-title":"Evaluation of vegetation indices and a modified simple ratio for boreal applications","volume":"22","author":"Chen","year":"1996","journal-title":"Can. J. Remote Sens."},{"key":"10.1016\/j.jag.2013.05.013_bib0080","doi-asserted-by":"crossref","first-page":"1956","DOI":"10.1016\/j.agrformet.2009.07.001","article-title":"Responses of net ecosystem CO2 exchange to nitrogen fertilization in experimentally manipulated grassland ecosystems","volume":"149","author":"Cheng","year":"2009","journal-title":"Agr. For. Meteorol."},{"key":"10.1016\/j.jag.2013.05.013_bib0085","first-page":"7","article-title":"Comparative phenology and seasonal foliar nitrogen variations in mediterranean species in Potugal","volume":"18","author":"Correia","year":"1992","journal-title":"Ecol. Mediterr."},{"key":"10.1016\/j.jag.2013.05.013_bib0090","doi-asserted-by":"crossref","first-page":"2","DOI":"10.1078\/0367-2530-00007","article-title":"Shoot growth efficiency and production of Quercus ilex L. in different climates","volume":"197","author":"Crescente","year":"2002","journal-title":"Flora"},{"key":"10.1016\/j.jag.2013.05.013_bib0095","doi-asserted-by":"crossref","first-page":"271","DOI":"10.1016\/0034-4257(89)90069-2","article-title":"Remote sensing of foliar chemistry","volume":"30","author":"Curran","year":"1989","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0100","doi-asserted-by":"crossref","first-page":"153","DOI":"10.1016\/0034-4257(92)90133-5","article-title":"Reflectance spectroscopy of fresh whole leaves for the estimation of chemical concentration","volume":"39","author":"Curran","year":"1992","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0105","doi-asserted-by":"crossref","first-page":"5403","DOI":"10.1080\/0143116042000274015","article-title":"The MERIS terrestrial chlorophyll index","volume":"25","author":"Dash","year":"2004","journal-title":"Int. J. Remote Sens."},{"key":"10.1016\/j.jag.2013.05.013_bib0110","doi-asserted-by":"crossref","first-page":"111","DOI":"10.1016\/S0034-4257(98)00046-7","article-title":"Remote sensing of chlorophyll a, chlorophyll b, chlorophyll a+b, and total carotenoid content in eucalyptus leaves","volume":"66","author":"Datt","year":"1998","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0115","doi-asserted-by":"crossref","first-page":"30","DOI":"10.1016\/S0176-1617(99)80314-9","article-title":"A new reflectance index for remote sensing of chlorophyll content in higher plants: tests using eucalyptus leaves","volume":"154","author":"Datt","year":"1999","journal-title":"J. Plant Physiol."},{"key":"10.1016\/j.jag.2013.05.013_bib0120","doi-asserted-by":"crossref","first-page":"2741","DOI":"10.1080\/014311699211778","article-title":"Visible\/near infrared reflectance and chlorophyll content in Eucalyptus leaves","volume":"20","author":"Datt","year":"1999","journal-title":"Int. J. Remote Sens."},{"key":"10.1016\/j.jag.2013.05.013_bib0125","doi-asserted-by":"crossref","first-page":"229","DOI":"10.1016\/S0034-4257(00)00113-9","article-title":"Estimating corn leaf chlorophyll concentration from leaf and canopy reflectance","volume":"74","author":"Daughtry","year":"2000","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0130","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1214\/aos\/1176344552","article-title":"Bootstrap methods: another look at the jackknife","volume":"7","author":"Efron","year":"1979","journal-title":"Ann. Stat."},{"key":"10.1016\/j.jag.2013.05.013_bib0135","doi-asserted-by":"crossref","first-page":"1775","DOI":"10.1080\/01431169008955129","article-title":"Visible and near infrared reflectance characteristics of dry plant materials","volume":"11","author":"Elvidge","year":"1990","journal-title":"Int. J. Remote Sens."},{"key":"10.1016\/j.jag.2013.05.013_bib0140","doi-asserted-by":"crossref","first-page":"297","DOI":"10.1104\/pp.72.2.297","article-title":"Nitrogen and photosynthesis in the flag leaf of wheat (Triticum aestivum L.)","volume":"72","author":"Evans","year":"1983","journal-title":"Plant Physiol."},{"key":"10.1016\/j.jag.2013.05.013_bib0145","doi-asserted-by":"crossref","first-page":"9","DOI":"10.1007\/BF00377192","article-title":"Photosynthesis and nitrogen relationships in leaves of C3 plants","volume":"78","author":"Evans","year":"1989","journal-title":"Oecologia"},{"key":"10.1016\/j.jag.2013.05.013_bib0150","doi-asserted-by":"crossref","first-page":"3030","DOI":"10.1016\/j.rse.2008.02.012","article-title":"PROSPECT-4 and 5: advances in the leaf optical properties model separating photosynthetic pigments","volume":"112","author":"F\u00e9ret","year":"2008","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0155","doi-asserted-by":"crossref","first-page":"4083","DOI":"10.1080\/01431160500181044","article-title":"Nitrogen detection with hyperspectral normalized ratio indices across multiple plant species","volume":"26","author":"Ferwerda","year":"2005","journal-title":"Int. J. Remote Sens."},{"key":"10.1016\/j.jag.2013.05.013_bib0160","doi-asserted-by":"crossref","first-page":"104","DOI":"10.1016\/0034-4257(95)00234-0","article-title":"Leaf optical properties with explicit description of its biochemical composition: direct and inverse problems","volume":"56","author":"Fourty","year":"1996","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0165","doi-asserted-by":"crossref","first-page":"15","DOI":"10.1016\/S0269-7491(98)80010-9","article-title":"The global nitrogen cycle: changes and consequences","volume":"102","author":"Galloway","year":"1998","journal-title":"Environ. Pollut."},{"key":"10.1016\/j.jag.2013.05.013_bib0170","doi-asserted-by":"crossref","first-page":"286","DOI":"10.1016\/S0176-1617(11)81633-0","article-title":"Spectralreflectance changes associated with autumn senescence of Aesculus hippocastanum L. and Acer platanoides L. leaves. Spectral features and relation to chlorophyll estimation","volume":"143","author":"Gitelson","year":"1994","journal-title":"J. Plant Physiol."},{"key":"10.1016\/j.jag.2013.05.013_bib0175","doi-asserted-by":"crossref","first-page":"296","DOI":"10.1016\/S0034-4257(99)00023-1","article-title":"The chlorophyll fluorescence ratio F735\/F700 as an accurate measure of the chlorophyll content in plants","volume":"69","author":"Gitelson","year":"1999","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0180","doi-asserted-by":"crossref","first-page":"271","DOI":"10.1078\/0176-1617-00887","article-title":"Relationships between leaf chlorophyll content and spectral reflectance and algorithms for non-destructive chlorophyll assessment in higher plant leaves","volume":"160","author":"Gitelson","year":"2003","journal-title":"J. Plant Physiol."},{"key":"10.1016\/j.jag.2013.05.013_bib0185","doi-asserted-by":"crossref","first-page":"289","DOI":"10.1016\/S0034-4257(96)00072-7","article-title":"Use of a green channel in remote sensing of global vegetation from EOS-MODIS","volume":"58","author":"Gitelson","year":"1996","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0190","doi-asserted-by":"crossref","first-page":"689","DOI":"10.1016\/S0273-1177(97)01133-2","article-title":"Remote sensing of chlorophyll concentration in higher plant leaves","volume":"22","author":"Gitelson","year":"1998","journal-title":"Adv. Space Res."},{"key":"10.1016\/j.jag.2013.05.013_bib0195","doi-asserted-by":"crossref","first-page":"549","DOI":"10.1007\/s00468-006-0070-6","article-title":"Leaf plasticity in response to light of three evergreen species of the Mediterranean maquis","volume":"20","author":"Gratani","year":"2006","journal-title":"Trees (Berlin Germany: West)"},{"key":"10.1016\/j.jag.2013.05.013_bib0200","doi-asserted-by":"crossref","first-page":"687","DOI":"10.1093\/treephys\/22.10.687","article-title":"Photosynthetic responses to water deficit in six Mediterranean sclerophyll species: possible factors explaining the declining distribution of Rhamnus ludovici-salvatoris, an endemic Balearic species","volume":"22","author":"Gul\u00edas","year":"2002","journal-title":"Tree Physiol."},{"key":"10.1016\/j.jag.2013.05.013_bib0205","doi-asserted-by":"crossref","first-page":"2217","DOI":"10.1016\/S0273-1177(03)90545-X","article-title":"Comparative analysis of red-edge hyperspectral indices","volume":"32","author":"Gupta","year":"2003","journal-title":"Adv. Space Res."},{"key":"10.1016\/j.jag.2013.05.013_bib0210","doi-asserted-by":"crossref","first-page":"337","DOI":"10.1016\/j.rse.2003.12.013","article-title":"Hyperspectral vegetation indices and novel algorithms for predicting green LAI of crop canopies: modeling and validation in the context of precision agriculture","volume":"90","author":"Haboudane","year":"2004","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0215","doi-asserted-by":"crossref","first-page":"542","DOI":"10.1016\/S0034-4257(03)00131-7","article-title":"Reflectance measurement of canopy biomass and nitrogen status in wheat crops using normalized difference vegetation indices and partial least squares regression","volume":"86","author":"Hansen","year":"2003","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0220","doi-asserted-by":"crossref","first-page":"2141","DOI":"10.1016\/j.rse.2011.04.018","article-title":"LAI assessment of wheat and potato crops by VEN\u03bcS and Sentinel-2 bands","volume":"115","author":"Herrmann","year":"2011","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0225","doi-asserted-by":"crossref","first-page":"18","DOI":"10.1016\/j.rse.2004.06.008","article-title":"Estimating foliage nitrogen concentration from HYMAP data using continuum removal analysis","volume":"93","author":"Huang","year":"2004","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0230","doi-asserted-by":"crossref","first-page":"194","DOI":"10.1016\/0034-4257(95)00238-3","article-title":"Estimating leaf biochemistry using the PROSPECT leaf optical properties model","volume":"56","author":"Jacquemoud","year":"1996","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0235","doi-asserted-by":"crossref","first-page":"663","DOI":"10.2307\/1936256","article-title":"Derivation of leaf-area index from quality of light on the forest floor","volume":"50","author":"Jordan","year":"1969","journal-title":"Ecology"},{"key":"10.1016\/j.jag.2013.05.013_bib0240","series-title":"Nitrogen in the Environment: Sources, Problems and Management.","first-page":"3","article-title":"Chapter 1\u2014the nitrogen cycle, historical perspective, and current and potential future concerns","author":"Keeney","year":"2001"},{"key":"10.1016\/j.jag.2013.05.013_bib0245","doi-asserted-by":"crossref","first-page":"153","DOI":"10.1016\/S0034-4257(00)00163-2","article-title":"Investigating a physical basis for spectroscopic estimates of leaf nitrogen concentration","volume":"75","author":"Kokaly","year":"2001","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0250","doi-asserted-by":"crossref","first-page":"54","DOI":"10.1016\/j.soilbio.2008.09.016","article-title":"Priming depletes soil carbon and releases nitrogen in a scrub-oak ecosystem exposed to elevated CO2","volume":"41","author":"Langley","year":"2009","journal-title":"Soil Biol. Biochem."},{"key":"10.1016\/j.jag.2013.05.013_bib0255","series-title":"Developments in Environmental Modelling","first-page":"131","article-title":"Chapter 4 multidimensional quantitative data","author":"Legendre","year":"1998"},{"key":"10.1016\/j.jag.2013.05.013_bib0260","series-title":"Developments in Environmental Modelling.","first-page":"481","article-title":"Chapter 10 interpretation of ecological structures","author":"Legendre","year":"1998"},{"key":"10.1016\/j.jag.2013.05.013_bib0265","doi-asserted-by":"crossref","first-page":"223","DOI":"10.1016\/S0098-8472(97)00005-1","article-title":"Trichome density and its UV-B protective potential are affected by shading and leaf position on the canopy","volume":"38","author":"Liakoura","year":"1997","journal-title":"Environ. Exp. Bot."},{"key":"10.1016\/j.jag.2013.05.013_bib0270","doi-asserted-by":"crossref","first-page":"599","DOI":"10.1016\/S0176-1617(96)80081-2","article-title":"Detection of vegetation stress via a new high resolution fluorescence imaging system","volume":"148","author":"Lichtenthaler","year":"1996","journal-title":"J. Plant Physiol."},{"key":"10.1016\/j.jag.2013.05.013_bib0275","doi-asserted-by":"crossref","first-page":"863","DOI":"10.1111\/j.1365-3040.2009.02112.x","article-title":"Do photosynthetic limitations of evergreen Quercus ilex leaves change with long-term increased drought severity?","volume":"33","author":"Limousin","year":"2010","journal-title":"Plant Cell Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0280","doi-asserted-by":"crossref","first-page":"52","DOI":"10.1016\/S1011-1344(01)00145-2","article-title":"New vegetation indices for remote measurement of chlorophylls based on leaf directional reflectance spectra","volume":"61","author":"Maccioni","year":"2001","journal-title":"J. Photochem. Photobiol., B"},{"key":"10.1016\/j.jag.2013.05.013_bib0285","doi-asserted-by":"crossref","first-page":"1001","DOI":"10.1080\/01904169909365689","article-title":"Field evaluation of the chlorophyll meter to predict yield and nitrogen concentration of switchgrass","volume":"22","author":"Madakadze","year":"1999","journal-title":"J. Plant Nutr."},{"key":"10.1016\/j.jag.2013.05.013_bib0290","doi-asserted-by":"crossref","first-page":"431","DOI":"10.1890\/1051-0761(1997)007[0431:HSRRSO]2.0.CO;2","article-title":"High spectral resolution remote sensing of forest canopy lignin, nitrogen, and ecosystem processes","volume":"7","author":"Martin","year":"1997","journal-title":"Ecol. Appl."},{"key":"10.1016\/j.jag.2013.05.013_bib0295","doi-asserted-by":"crossref","first-page":"3511","DOI":"10.1016\/j.rse.2008.04.008","article-title":"A generalizable method for remote sensing of canopy nitrogen across a wide range of forest ecosystems","volume":"112","author":"Martin","year":"2008","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0300","doi-asserted-by":"crossref","first-page":"190","DOI":"10.1016\/j.flora.2009.01.006","article-title":"Phenology of Mediterranean woody plants from NE Spain: synchrony, seasonality, and relationships among phenophases","volume":"205","author":"Milla","year":"2010","journal-title":"Flora"},{"year":"1997","series-title":"La red europea de seguimiento de da\u00f1os en los bosques (nivel I) Espa\u00f1a, 1987\u20131996","author":"Montoya Moreno","key":"10.1016\/j.jag.2013.05.013_bib0305"},{"key":"10.1016\/j.jag.2013.05.013_bib0310","doi-asserted-by":"crossref","first-page":"504","DOI":"10.1007\/s00468-002-0195-1","article-title":"Trichomes and photosynthetic pigment composition changes: responses of Quercus ilex subsp. ballota (Desf.) Samp. and Quercus coccifera L. to Mediterranean stress conditions","volume":"16","author":"Morales","year":"2002","journal-title":"Trees"},{"year":"2004","series-title":"Lehninger,Principles of Biochemistry","author":"Nelson","key":"10.1016\/j.jag.2013.05.013_bib0315"},{"key":"10.1016\/j.jag.2013.05.013_bib0320","series-title":"Near Infrared Spectroscopy in Food Analysis","article-title":"Longman Scientific & Technical","author":"Osborne","year":"1986"},{"key":"10.1016\/j.jag.2013.05.013_bib0325","doi-asserted-by":"crossref","first-page":"351","DOI":"10.1046\/j.1469-8137.1999.00456.x","article-title":"Exploring the relationships between reflectance and anatomical and biochemical properties in Quercus ilex leaves","volume":"143","author":"Ourcival","year":"1999","journal-title":"New Phytol."},{"key":"10.1016\/j.jag.2013.05.013_bib0330","doi-asserted-by":"crossref","first-page":"117","DOI":"10.1071\/FP04137","article-title":"Leaf morphology, photochemistry and water status changes in resprouting Quercus ilex during drought","volume":"32","author":"Pe\u00f1a-Rojas","year":"2005","journal-title":"Functional Plant Biology: FPB"},{"key":"10.1016\/j.jag.2013.05.013_bib0335","doi-asserted-by":"crossref","first-page":"2727","DOI":"10.1080\/01431169508954588","article-title":"Reflectance assessment of mite effects on apple trees","volume":"16","author":"Pe\u00f1uelas","year":"1995","journal-title":"Int. J. Remote Sens."},{"key":"10.1016\/j.jag.2013.05.013_bib0340","doi-asserted-by":"crossref","first-page":"135","DOI":"10.1016\/0034-4257(94)90136-8","article-title":"Reflectance indices associated with physiological changes in nitrogen- and water-limited sunflower leaves","volume":"48","author":"Pe\u00f1uelas","year":"1994","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0345","doi-asserted-by":"crossref","first-page":"500","DOI":"10.1016\/j.foreco.2011.04.018","article-title":"Phenology and growth dynamics in Mediterranean evergreen oaks: effects of environmental conditions and water relations","volume":"262","author":"Pinto","year":"2011","journal-title":"For. Ecol. Manage."},{"key":"10.1016\/j.jag.2013.05.013_bib0350","unstructured":"Pulido Garc\u00eda, F., 2002. La producci\u00f3n animal en la dehesa extreme\u00f1a. Nuevas tendencias y estrategias de mejora. Libro blanco de la agricultura y el desarrollo rural. In: MAPA (Ed.), Extremadura."},{"key":"10.1016\/j.jag.2013.05.013_bib0355","doi-asserted-by":"crossref","first-page":"411","DOI":"10.1016\/j.indcrop.2010.06.004","article-title":"Remote sensing algorithms for castor bean nitrogen and pigment assessment for fertility management","volume":"32","author":"Reddy","year":"2010","journal-title":"Ind. Crops Prod."},{"key":"10.1016\/j.jag.2013.05.013_bib0360","doi-asserted-by":"crossref","first-page":"83","DOI":"10.1016\/j.rse.2011.07.021","article-title":"Synergies between VSWIR and TIR data for the urban environment: an evaluation of the potential for the hyperspectral infrared imager (HyspIRI) decadal survey mission","volume":"117","author":"Roberts","year":"2012","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0365","doi-asserted-by":"crossref","first-page":"781","DOI":"10.1071\/AR05361","article-title":"Detection of nitrogen deficiency in wheat from spectral reflectance indices and basic crop ecobiophysiological concepts","volume":"57","author":"Rodriguez","year":"2006","journal-title":"Aust. J. Agric. Res."},{"key":"10.1016\/j.jag.2013.05.013_bib0370","doi-asserted-by":"crossref","first-page":"95","DOI":"10.1016\/0034-4257(95)00186-7","article-title":"Optimization of soil-adjusted vegetation indices","volume":"55","author":"Rondeaux","year":"1996","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0375","doi-asserted-by":"crossref","first-page":"375","DOI":"10.1016\/0034-4257(94)00114-3","article-title":"Estimating PAR absorbed by vegetation from bidirectional reflectance measurements","volume":"51","author":"Roujean","year":"1995","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0380","unstructured":"Rouse, J.W., Haas, R.H., Schell, J.A., Deering, D.W., Harlan, J.C., 1974. Monitoring the Vernal Advancements and Retrogradation of Natural Vegetation. In: NASA\/GSFC Final Report. Greenbelt, MD, USA, p. 371."},{"key":"10.1016\/j.jag.2013.05.013_bib0385","series-title":"Nutrient Uptake and Cycling in Forest Ecosystems","first-page":"297","article-title":"Nutrient content in Quercus ilex canopies: seasonal and spatial variation within a catchment","author":"Sabat\u00e9","year":"1995"},{"key":"10.1016\/j.jag.2013.05.013_bib0515","doi-asserted-by":"crossref","first-page":"33","DOI":"10.1016\/j.ppees.2011.08.002","article-title":"The C: N:P stoichiometry of organisms and ecosystems in a changing world: A review and perspectives, Perspect","volume":"14","author":"Sardans","year":"2012","journal-title":"Plant Ecol. Evol. Syst."},{"key":"10.1016\/j.jag.2013.05.013_bib0395","first-page":"17","article-title":"Retrieval of chlorophyll and nitrogen in Norway spruce (Picea abies L. Karst.) using imaging spectroscopy","volume":"12","author":"Schlerf","year":"2010","journal-title":"Int. J. Appl. Earth Obs. Geoinf."},{"key":"10.1016\/j.jag.2013.05.013_bib0400","doi-asserted-by":"crossref","first-page":"372","DOI":"10.1089\/ast.2005.5.372","article-title":"Vegetation's red edge: a possible spectroscopic biosignature of extraterrestrial plants","volume":"5","author":"Seager","year":"2005","journal-title":"Astrobiology"},{"key":"10.1016\/j.jag.2013.05.013_bib0405","doi-asserted-by":"crossref","first-page":"355","DOI":"10.1016\/S0034-4257(02)00011-1","article-title":"Remote sensing of nitrogen and lignin in Mediterranean vegetation from AVIRIS data: decomposing biochemical from structural signals","volume":"81","author":"Serrano","year":"2002","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0410","doi-asserted-by":"crossref","first-page":"108","DOI":"10.1051\/forest\/2009093","article-title":"Estimation of chlorophyll in quercus leaves using a portable chlorophyll meter: effects of species and leaf age","volume":"67","author":"Silla","year":"2010","journal-title":"Ann. For. Sci."},{"key":"10.1016\/j.jag.2013.05.013_bib0415","doi-asserted-by":"crossref","first-page":"337","DOI":"10.1016\/S0034-4257(02)00010-X","article-title":"Relationships between leaf pigment content and spectral reflectance across a wide range of species, leaf structures and developmental stages","volume":"81","author":"Sims","year":"2002","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0420","doi-asserted-by":"crossref","first-page":"1332","DOI":"10.1109\/TGRS.2003.813128","article-title":"Analysis of hyperspectral data for estimation of temperate forest canopy nitrogen concentration: comparison between an airborne (AVIRIS) and a spaceborne (Hyperion) sensor","volume":"41","author":"Smith","year":"2003","journal-title":"IEEE Trans. Geosci. Remote Sens."},{"key":"10.1016\/j.jag.2013.05.013_bib0425","doi-asserted-by":"crossref","first-page":"115","DOI":"10.1016\/j.actaastro.2007.01.033","article-title":"The EnMAP hyperspectral imager\u2014an advanced optical payload for future applications in earth observation programmes","volume":"61","author":"Stuffler","year":"2007","journal-title":"Acta Astronaut."},{"year":"2011","series-title":"The European Nitrogen Assessment. Sources, Effects and Policy Perspectives","key":"10.1016\/j.jag.2013.05.013_bib0430"},{"key":"10.1016\/j.jag.2013.05.013_bib0435","doi-asserted-by":"crossref","first-page":"299","DOI":"10.1016\/j.fcr.2010.11.002","article-title":"Assessing newly developed and published vegetation indices for estimating rice leaf nitrogen concentration with ground- and space-based hyperspectral reflectance","volume":"120","author":"Tian","year":"2011","journal-title":"Field Crops Res."},{"key":"10.1016\/j.jag.2013.05.013_bib0440","first-page":"112","article-title":"Multi- and hyperspectral geologic remote sensing: a review","volume":"14","author":"van der Meer","year":"2012","journal-title":"Int. J. Appl. Earth Obs. Geoinf."},{"key":"10.1016\/j.jag.2013.05.013_bib0445","doi-asserted-by":"crossref","first-page":"127","DOI":"10.1016\/j.rse.2011.11.002","article-title":"Machine learning regression algorithms for biophysical parameter retrieval: opportunities for Sentinel-2 and -3","volume":"118","author":"Verrelst","year":"2012","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0450","doi-asserted-by":"crossref","first-page":"69","DOI":"10.1071\/WF9920069","article-title":"Moisture content of fine forest fuels and fire occurrence in central Portugal","volume":"2","author":"Viegas","year":"1992","journal-title":"Int. J. Wildland Fire"},{"key":"10.1016\/j.jag.2013.05.013_bib0455","doi-asserted-by":"crossref","first-page":"1563","DOI":"10.1080\/01431169308953986","article-title":"Red edge spectral measurements from sugar maple leaves","volume":"14","author":"Vogelmann","year":"1993","journal-title":"Int. J. Remote Sens."},{"key":"10.1016\/j.jag.2013.05.013_bib0460","doi-asserted-by":"crossref","first-page":"90","DOI":"10.1016\/j.fcr.2012.01.014","article-title":"Estimating leaf nitrogen concentration with three-band vegetation indices in rice and wheat","volume":"129","author":"Wang","year":"2012","journal-title":"Field Crops Res."},{"key":"10.1016\/j.jag.2013.05.013_bib0465","doi-asserted-by":"crossref","first-page":"307","DOI":"10.1016\/S0176-1617(11)81192-2","article-title":"The spectral determination of chlorophyll a and chlorophyll b, as well as total carotenoids, using various solvents with spectrophotometers of different resolution","volume":"144","author":"Wellburn","year":"1994","journal-title":"J. Plant Physiol."},{"key":"10.1016\/j.jag.2013.05.013_bib0470","doi-asserted-by":"crossref","first-page":"821","DOI":"10.1038\/nature02403","article-title":"The worldwide leaf economics spectrum","volume":"428","author":"Wright","year":"2004","journal-title":"Nature"},{"key":"10.1016\/j.jag.2013.05.013_bib0475","doi-asserted-by":"crossref","first-page":"135","DOI":"10.2134\/agronj2004.1350","article-title":"Monitoring leaf nitrogen status in rice with canopy spectral reflectance","volume":"96","author":"Xue","year":"2004","journal-title":"Agron. J."},{"key":"10.1016\/j.jag.2013.05.013_bib0480","first-page":"89","article-title":"Exploring hyperspectral bands and estimation indices for leaf nitrogen accumulation in wheat","volume":"12","author":"Yao","year":"2010","journal-title":"Int. J. Appl. Earth Obs. Geoinf."},{"key":"10.1016\/j.jag.2013.05.013_bib0485","doi-asserted-by":"crossref","first-page":"199","DOI":"10.1016\/0034-4257(95)00135-N","article-title":"Predicting nitrogen and chlorophyll content and concentrations from reflectance spectra (400\u20132500 nm) at leaf and canopy scales","volume":"53","author":"Yoder","year":"1995","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0490","doi-asserted-by":"crossref","first-page":"271","DOI":"10.1016\/j.rse.2005.09.002","article-title":"Assessing vineyard condition with hyperspectral indices: leaf and canopy reflectance simulation in a row-structured discontinuous canopy","volume":"99","author":"Zarco-Tejada","year":"2005","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0495","doi-asserted-by":"crossref","first-page":"582","DOI":"10.1016\/S0034-4257(00)00148-6","article-title":"Chlorophyll fluorescence effects on vegetation apparent reflectance: I. Leaf-level measurements and model simulation","volume":"74","author":"Zarco-Tejada","year":"2000","journal-title":"Remote Sens. Environ."},{"key":"10.1016\/j.jag.2013.05.013_bib0500","doi-asserted-by":"crossref","first-page":"1491","DOI":"10.1109\/36.934080","article-title":"Scaling-up and model inversion methods with narrowband optical indices for chlorophyll content estimation in closed forest canopies with hyperspectral data","volume":"39","author":"Zarco-Tejada","year":"2001","journal-title":"IEEE Trans. Geosci. Remote Sens."},{"key":"10.1016\/j.jag.2013.05.013_bib0505","doi-asserted-by":"crossref","first-page":"333","DOI":"10.1016\/S1002-0160(06)60060-X","article-title":"Relationship of 2100\u20132300nm spectral characteristics of wheat canopy to leaf area index and leaf N as affected by leaf water content","volume":"16","author":"Zhao","year":"2006","journal-title":"Pedosphere"},{"key":"10.1016\/j.jag.2013.05.013_bib0510","doi-asserted-by":"crossref","first-page":"1077","DOI":"10.1071\/AR06413","article-title":"Quantitative relationships of leaf nitrogen status to canopy spectral reflectance in rice","volume":"58","author":"Zhu","year":"2007","journal-title":"Aust. J. Agric. Res."}],"container-title":["International Journal of Applied Earth Observation and Geoinformation"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0303243413000627?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0303243413000627?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,4]],"date-time":"2025-10-04T13:22:44Z","timestamp":1759584164000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0303243413000627"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2014,2]]},"references-count":102,"alternative-id":["S0303243413000627"],"URL":"https:\/\/doi.org\/10.1016\/j.jag.2013.05.013","relation":{},"ISSN":["1569-8432"],"issn-type":[{"type":"print","value":"1569-8432"}],"subject":[],"published":{"date-parts":[[2014,2]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Understanding the optical responses of leaf nitrogen in Mediterranean Holm oak (Quercus ilex) using field spectroscopy","name":"articletitle","label":"Article Title"},{"value":"International Journal of Applied Earth Observation and Geoinformation","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.jag.2013.05.013","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2013 Elsevier B.V. All rights reserved.","name":"copyright","label":"Copyright"}]}}