{"id":7385,"date":"2022-02-04T19:34:07","date_gmt":"2022-02-04T18:34:07","guid":{"rendered":"https:\/\/lyon-geologie.univ-lyon1.fr\/?page_id=7385"},"modified":"2025-08-28T15:35:49","modified_gmt":"2025-08-28T13:35:49","slug":"m1_biosign","status":"publish","type":"page","link":"https:\/\/lyongeologie.fr\/en\/m1-geosciences\/m1_biosign\/","title":{"rendered":"M1 Biosignatures"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"7385\" class=\"elementor elementor-7385\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1b4fc9a3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1b4fc9a3\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-47274e02\" data-id=\"47274e02\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2f585a2d elementor-widget elementor-widget-text-editor\" data-id=\"2f585a2d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2><strong>Biosignatures<\/strong><\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-17d31440 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"17d31440\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-3698461d\" data-id=\"3698461d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4ec8b569 elementor-widget elementor-widget-text-editor\" data-id=\"4ec8b569\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\"><em>3 Credits<\/em><\/p><p style=\"text-align: center;\"><em>Contact: <a href=\"mailto:matthieu.amor@ens-lyon.fr\">Matthieu AMOR<\/a>.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4b08b62 elementor-widget elementor-widget-image\" data-id=\"4b08b62\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lyongeologie.fr\/wp-content\/uploads\/2023\/08\/Mathieu_amor-300x300.png\" class=\"attachment-medium size-medium wp-image-17291\" alt=\"\" srcset=\"https:\/\/lyongeologie.fr\/wp-content\/uploads\/2023\/08\/Mathieu_amor-300x300.png 300w, https:\/\/lyongeologie.fr\/wp-content\/uploads\/2023\/08\/Mathieu_amor-150x150.png 150w, https:\/\/lyongeologie.fr\/wp-content\/uploads\/2023\/08\/Mathieu_amor-768x766.png 768w, https:\/\/lyongeologie.fr\/wp-content\/uploads\/2023\/08\/Mathieu_amor-12x12.png 12w, https:\/\/lyongeologie.fr\/wp-content\/uploads\/2023\/08\/elementor\/thumbs\/Mathieu_amor-qbkjwlgxvu0ienw6df06c4x8rwwxd8de0x14a5m960.png 100w, https:\/\/lyongeologie.fr\/wp-content\/uploads\/2023\/08\/elementor\/thumbs\/Mathieu_amor-150x150.png 1024w, https:\/\/lyongeologie.fr\/wp-content\/uploads\/2023\/08\/Mathieu_amor.png 846w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1dc336c3 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"1dc336c3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/lyon-geologie.univ-lyon1.fr\/m1-geosciences\/#m1_opt\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Back to the previous page<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-78c80c9a\" data-id=\"78c80c9a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5276d7a0 elementor-widget elementor-widget-text-editor\" data-id=\"5276d7a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Recognizing and interpreting the presence of different types of Biosignatures in actual and past environments is essential in Geosciences. This allows in particular to define the origin (biologic\/anthropogenic, plant\/animal, ...) of organic matter in these environments, to understand the history and dynamics of aquatic ecosystems (biogeochemical cycles and communities structure), to reconstruct (paleo)environments and (paleo)climates, to characterize biogeochemical processes at the interfaces between the Biosphere and the Geosphere (eg, methane cycle), to develop new indicators of environmental changes (proxies of temperature, salinity, productivity, etc.) , to highlight the radiation or extinction of certain families of organisms over geological time scales (molecular paleontology), etc.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-672759a8 elementor-widget elementor-widget-image\" data-id=\"672759a8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"881\" height=\"585\" src=\"https:\/\/lyongeologie.fr\/wp-content\/uploads\/2022\/02\/m1_biosign.png\" class=\"attachment-large size-large wp-image-7403\" alt=\"\" srcset=\"https:\/\/lyongeologie.fr\/wp-content\/uploads\/2022\/02\/m1_biosign.png 881w, https:\/\/lyongeologie.fr\/wp-content\/uploads\/2022\/02\/m1_biosign-300x199.png 300w, https:\/\/lyongeologie.fr\/wp-content\/uploads\/2022\/02\/m1_biosign-768x510.png 768w\" sizes=\"(max-width: 881px) 100vw, 881px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-05b6d5d elementor-widget elementor-widget-text-editor\" data-id=\"05b6d5d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"translation-block\">The biosignatures concerned will essentially be the bulk, molecular and isotopic composition (<sup>13<\/sup>C, <sup>14<\/sup>C, <sup>15<\/sup>N, D\/H, <sup>34<\/sup>S, \u2026) of the organic matter synthesized by living (micro)organisms or its degradation products, as well as some of the inorganic components (silica, calcite, \u2026).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4a3ce1d0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4a3ce1d0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-35de6386\" data-id=\"35de6386\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Biosignatures Cr\u00e9dits : 3 ECTS Responsable : Matthieu AMOR. Retour \u00e0 la liste des UEs Savoir reconna\u00eetre et interpr\u00e9ter la pr\u00e9sence de diff\u00e9rents types de Biosignatures dans les environnements actuels et pass\u00e9s est primordial en G\u00e9osciences. Ceci permet notamment de d\u00e9finir l\u2019origine (biologique\/anthropique, v\u00e9g\u00e9tale\/animale, \u2026) de la mati\u00e8re organique dans ces environnements, de comprendre l\u2019histoire [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":511,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-7385","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/lyongeologie.fr\/en\/wp-json\/wp\/v2\/pages\/7385","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lyongeologie.fr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/lyongeologie.fr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/lyongeologie.fr\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/lyongeologie.fr\/en\/wp-json\/wp\/v2\/comments?post=7385"}],"version-history":[{"count":26,"href":"https:\/\/lyongeologie.fr\/en\/wp-json\/wp\/v2\/pages\/7385\/revisions"}],"predecessor-version":[{"id":18845,"href":"https:\/\/lyongeologie.fr\/en\/wp-json\/wp\/v2\/pages\/7385\/revisions\/18845"}],"up":[{"embeddable":true,"href":"https:\/\/lyongeologie.fr\/en\/wp-json\/wp\/v2\/pages\/511"}],"wp:attachment":[{"href":"https:\/\/lyongeologie.fr\/en\/wp-json\/wp\/v2\/media?parent=7385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}