{"id":6743,"date":"2026-01-16T09:23:15","date_gmt":"2026-01-16T08:23:15","guid":{"rendered":"https:\/\/ist.blogs.inrae.fr\/afs\/?p=6743"},"modified":"2026-01-27T13:56:48","modified_gmt":"2026-01-27T12:56:48","slug":"integrated-modelling-approaches-for-estimating-total-organic-carbon-total-nitrogen-total-phosphorus-and-ash-content-in-forest-floor-samples-using-atr-ftir-spectroscopy","status":"publish","type":"post","link":"https:\/\/ist.blogs.inrae.fr\/afs\/2026\/01\/16\/integrated-modelling-approaches-for-estimating-total-organic-carbon-total-nitrogen-total-phosphorus-and-ash-content-in-forest-floor-samples-using-atr-ftir-spectroscopy\/","title":{"rendered":"Integrated modelling approaches for estimating total organic carbon, total nitrogen, total phosphorus, and ash content in forest floor samples using ATR-FTIR spectroscopy"},"content":{"rendered":"<script type='text\/javascript' src='https:\/\/d1bxh8uas1mnw7.cloudfront.net\/assets\/embed.js'><\/script><p><strong>Key message<a href=\"https:\/\/ist.blogs.inrae.fr\/afs\/wp-content\/uploads\/sites\/5\/2025\/12\/26-01-16-Martin-Sanz-RC.png\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6770 alignright\" src=\"https:\/\/ist.blogs.inrae.fr\/afs\/wp-content\/uploads\/sites\/5\/2025\/12\/26-01-16-Martin-Sanz-RC-300x263.png\" alt=\"\" width=\"282\" height=\"247\" srcset=\"https:\/\/ist.blogs.inrae.fr\/afs\/wp-content\/uploads\/sites\/5\/2025\/12\/26-01-16-Martin-Sanz-RC-300x263.png 300w, https:\/\/ist.blogs.inrae.fr\/afs\/wp-content\/uploads\/sites\/5\/2025\/12\/26-01-16-Martin-Sanz-RC-640x562.png 640w, https:\/\/ist.blogs.inrae.fr\/afs\/wp-content\/uploads\/sites\/5\/2025\/12\/26-01-16-Martin-Sanz-RC.png 685w\" sizes=\"auto, (max-width: 282px) 100vw, 282px\" \/><\/a><\/strong><\/p>\n<p align=\"justify\">ATR-FTIR spectroscopy combined with statistical modelling provides accurate predictions of forest floor properties: total organic carbon, total nitrogen, total phosphorus and ash. Performance decreases in carbonate-rich samples, particularly for organic carbon and the carbon to nitrogen ratio; excluding such samples improves reliability. This makes ATR-FTIR a fast and sustainable complement to conventional chemical analyses for forest monitoring and nutrient cycling studies.<\/p>\n<p><strong>Keywords<\/strong><br \/>\nForest floor decomposition; Forest soil organic layers; Mid-infrared spectroscopy; Mixed forest; Monospecific forest; ATR-FTIR spectral prediction<\/p>\n<div class='altmetric-embed' data-badge-type='donut' data-doi='10.1186\/s13595-025-01309-3'  style='float: right; ' ><\/div>\n<p><strong>Publication<\/strong><br \/>\nMart\u00edn-Sanz, R., Getino-\u00c1lvarez, M., Pando, V.\u00a0<i>et al.<\/i>\u00a0Integrated modelling approaches for estimating total organic carbon, total nitrogen, total phosphorus, and ash content in forest floor samples using ATR-FTIR spectroscopy.\u00a0<i>Annals of Forest Science<\/i>\u00a0(2025). <a href=\"https:\/\/doi.org\/10.1186\/s13595-025-01309-3\">https:\/\/doi.org\/10.1186\/s13595-025-01309-3<\/a><\/p>\n<p><strong>Data availability\u00a0<\/strong><br \/>\nFull modeling details are provided in Appendix C and all data obtained in this study is available at\u00a0<a href=\"https:\/\/zenodo.org\/records\/16315149\">https:\/\/zenodo.org\/records\/16315149<\/a>\u00a0(Mart\u00edn-Sanz et al.\u00a0<a id=\"ref-link-section-d116398790e435\" title=\" Mart\u00edn-Sanz RC, Getino-\u00c1lvarez M, Pando V, Lafuente F, Turri\u00f3n MB (2025) Elemental Physicochemical and ATR-FTIR Spectral Parameters of Forest Floor in Pure vs. Mixed Stand . Zenodo. https:\/\/doi.org\/10.5281\/zenodo.16315149\" href=\"https:\/\/link-springer-com.inrae.idm.oclc.org\/article\/10.1186\/s13595-025-01309-3#ref-CR33\" data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 2025\">2025<\/a>)<\/p>\n<p><strong>Handling editor\u00a0<\/strong><br \/>\nErwin Dreyer<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Key message ATR-FTIR spectroscopy combined with statistical modelling provides accurate predictions of forest floor properties: total organic carbon, total nitrogen, total phosphorus and ash. Performance decreases in carbonate-rich samples, particularly for organic carbon and the carbon to nitrogen ratio; excluding such samples improves reliability. This makes ATR-FTIR a fast and sustainable complement to conventional chemical [&hellip;]<\/p>\n","protected":false},"author":240,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14,1,109,15],"tags":[],"class_list":["post-6743","post","type-post","status-publish","format-standard","hentry","category-article-type","category-non-classe","category-open-access","category-research-paper","cat-14-id","cat-1-id","cat-109-id","cat-15-id"],"_links":{"self":[{"href":"https:\/\/ist.blogs.inrae.fr\/afs\/wp-json\/wp\/v2\/posts\/6743","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ist.blogs.inrae.fr\/afs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ist.blogs.inrae.fr\/afs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ist.blogs.inrae.fr\/afs\/wp-json\/wp\/v2\/users\/240"}],"replies":[{"embeddable":true,"href":"https:\/\/ist.blogs.inrae.fr\/afs\/wp-json\/wp\/v2\/comments?post=6743"}],"version-history":[{"count":5,"href":"https:\/\/ist.blogs.inrae.fr\/afs\/wp-json\/wp\/v2\/posts\/6743\/revisions"}],"predecessor-version":[{"id":6792,"href":"https:\/\/ist.blogs.inrae.fr\/afs\/wp-json\/wp\/v2\/posts\/6743\/revisions\/6792"}],"wp:attachment":[{"href":"https:\/\/ist.blogs.inrae.fr\/afs\/wp-json\/wp\/v2\/media?parent=6743"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ist.blogs.inrae.fr\/afs\/wp-json\/wp\/v2\/categories?post=6743"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ist.blogs.inrae.fr\/afs\/wp-json\/wp\/v2\/tags?post=6743"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}