{"id":161155,"date":"2026-07-01T09:30:00","date_gmt":"2026-07-01T02:30:00","guid":{"rendered":"https:\/\/www.forestsnews.org\/161155\/whats-in-a-rainforest-mapping-png-biodiversity"},"modified":"2026-06-30T23:35:47","modified_gmt":"2026-06-30T16:35:47","slug":"que-trouve-t-on-dans-une-forets-tropicale-cartographie-de-la-biodiversite","status":"publish","type":"post","link":"https:\/\/www.forestsnews.org\/fr\/161155\/que-trouve-t-on-dans-une-forets-tropicale-cartographie-de-la-biodiversite","title":{"rendered":"Que trouve-t-on dans une for\u00eat tropicale ?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><em><mark style=\"background-color:rgba(0, 0, 0, 0);color:#87d552\" class=\"has-inline-color\">Cet article est le premier d&rsquo;une s\u00e9rie de trois consacr\u00e9e \u00e0 la mani\u00e8re dont les communaut\u00e9s locales et les chercheurs suivent la biodiversit\u00e9 sur le plateau de Managalas, en Papouasie\u2013Nouvelle-Guin\u00e9e. <\/mark><\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans une clairi\u00e8re  de la <a href=\"https:\/\/www.forestsnews.org\/91762\/making-managalas-consensus-for-conservation-on-pngs-managalas-plateau\" target=\"_blank\" rel=\"noreferrer noopener\"> Zone de Conservation de Managalas<\/a> (MCA) dans la province d&rsquo;Oro en Papouasie\u2013Nouvelle-Guin\u00e9e, un manchot en peluche install\u00e9 dans une petite voiture avance lentement sur la terre rouge. \u00c0 proximit\u00e9, un appareil photo se d\u00e9clenche tandis qu&rsquo;un groupe de personnes applaudit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La sc\u00e8ne pourrait faire penser \u00e0 un jeu d&rsquo;enfants. Pourtant, il s&rsquo;agit d&rsquo;une exp\u00e9rience qui s&rsquo;inscrit dans un projet aussi ambitieux que complexe : cartographier la biodiversit\u00e9 du <a href=\"https:\/\/www.forestsnews.org\/?page_id=14697&#038;page_id=14697&#038;page_id=14697&#038;page_id=14697&#038;s=MCA\" target=\"_blank\" rel=\"noreferrer noopener\"> plateau de Managalas<\/a> . <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ce jour-l\u00e0, un groupe de nouveaux responsables locaux des \u00e9quipes de biodiversit\u00e9 \u2013 de jeunes habitants form\u00e9s au suivi de la faune et de la flore du plateau \u2013 travaille aux c\u00f4t\u00e9s de scientifiques de <a href=\"https:\/\/www.landscapealliance.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">Landscape Alliance<\/a> pour installer des pi\u00e8ges photographiques et des dispositifs de surveillance acoustique. <\/p>\n\n\n\n<div class=\"wp-block-group alignfull is-layout-flow wp-container-core-group-is-layout-b26833bd wp-block-group-is-layout-flow\" style=\"margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--30);padding-right:0;padding-bottom:var(--wp--preset--spacing--30);padding-left:0\">\n<div class=\"wp-block-cover has-parallax has-custom-content-position is-position-bottom-left\" style=\"margin-top:0;margin-bottom:0;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0;min-height:80vh;aspect-ratio:unset;\"><div role=\"img\" aria-label=\" A man crouches in a dense tropical forest to strap a camouflage-patterned camera trap onto a slender tree trunk.\" class=\"wp-block-cover__image-background wp-image-160945 size-full has-parallax\" style=\"background-position:50% 50%;background-image:url(https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/A-BTL-sets-up-camera-traps.-Photo-by-Russell-Wai_CIFOR-ICRAF-scaled.jpg)\"><\/div><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#51554f\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-container-core-cover-is-layout-a2503c34 wp-block-cover-is-layout-flow\">\n<div class=\"wp-block-group has-background is-vertical is-layout-flex wp-container-core-group-is-layout-0a36cb25 wp-block-group-is-layout-flex\" style=\"border-top-right-radius:10px;background-color:#07070780;margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--20)\">\n<p class=\"has-text-align-right has-base-color has-text-color has-link-color has-small-font-size wp-elements-702d9ae76c737430db912dc2f324cc44 wp-block-paragraph\" style=\"writing-mode:horizontal-tb\">Un responsable de l&rsquo;\u00e9quipe Biodiversit\u00e9 installe des pi\u00e8ges photographiques. Photo: Russell Wai \/ Landscape Alliance<\/p>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Le manchot qui \u00ab conduit \u00bb sa petite voiture sert \u00e0 d\u00e9terminer la taille minimale qu&rsquo;un animal doit avoir pour d\u00e9clencher les cam\u00e9ras, ainsi que l&rsquo;angle optimal d&rsquo;installation afin d&rsquo;obtenir les meilleures donn\u00e9es possibles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le suivi de la biodiversit\u00e9 \u00e0 Managalas est un travail exigeant. Il implique de longues exp\u00e9ditions en pleine for\u00eat tropicale, le traitement de volumes consid\u00e9rables de donn\u00e9es et l&rsquo;utilisation de m\u00e9thodes tr\u00e8s diverses, allant des connaissances \u00e9cologiques traditionnelles \u00e0 l&rsquo;ADN environnemental (eDNA).<\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns alignfull is-layout-flex wp-container-core-columns-is-layout-6b44f232 wp-block-columns-is-layout-flex\" style=\"border-top-style:dashed;border-top-width:1px;border-bottom-style:dashed;border-bottom-width:1px;padding-top:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:190px\">\n<div class=\"wp-block-buttons is-content-justification-left is-nowrap is-layout-flex wp-container-core-buttons-is-layout-4d114226 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-contrast-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.forestsnews.org\/fr\/163306\/plumes-papouasie-nouvelle-guinee-conservation-oiseaux-2\" style=\"border-radius:3px;background-color:#bdedb9;padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);font-style:normal;font-weight:700\" target=\"_blank\" rel=\"noreferrer noopener\">A Lire Egalement<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"line-height:1.5\">\n<h2 class=\"wp-block-heading has-custom-green-dark-new-color has-text-color has-link-color wp-elements-4ca7130baeb8d478cbf614c2fd6d116a\" id=\"h-feathers-forever-on-birds-beauty-and-biodiversity-in-papua-new-guinea\" style=\"font-size:clamp(1.039rem, 1.039rem + ((1vw - 0.2rem) * 0.88), 1.6rem);font-style:normal;font-weight:600\"><a href=\"https:\/\/www.forestsnews.org\/fr\/163306\/plumes-papouasie-nouvelle-guinee-conservation-oiseaux-2\" target=\"_blank\" rel=\"noreferrer noopener\">Feathers, forever? On birds, beauty and biodiversity in Papua New Guinea<\/a><\/h2>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"> Mais avant d&rsquo;entrer dans les d\u00e9tails, une question s&rsquo;impose : pourquoi entreprendre un tel travail ?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour \u00e9laborer un plan de gestion pertinent du plateau, les groupes de clans doivent conna\u00eetre le plus pr\u00e9cis\u00e9ment possible les esp\u00e8ces pr\u00e9sentes, leur r\u00e9partition, l&rsquo;\u00e9volution \u00e9ventuelle de leurs populations et les facteurs qui expliquent ces changements. Ils doivent \u00e9galement comprendre comment g\u00e9rer durablement ce paysage afin qu&rsquo;il continue \u00e0 fournir de multiples b\u00e9n\u00e9fices aux communaut\u00e9s. C&rsquo;est pr\u00e9cis\u00e9ment la mission que poursuivent aujourd&rsquo;hui les 152 clans de Managalas, l&rsquo;ONG locale Managalas Conservation Foundation (MCF) et leurs partenaires de Landscape Alliance, avec le soutien financier de l&rsquo;Union europ\u00e9enne. Ces informations sont d&rsquo;autant plus essentielles que les partenaires envisagent de mettre en place des m\u00e9canismes de financement durable, notamment des cr\u00e9dits biodiversit\u00e9, qui reposent sur des <a href=\"https:\/\/www.forestsnews.org\/91770\/when-the-field-is-a-forest-nuances-of-data-gathering-on-managalas-plateau\" target=\"_blank\" rel=\"noreferrer noopener\">donn\u00e9es de r\u00e9f\u00e9rence solides<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00ab Le paysage dans son ensemble poss\u00e8de une valeur exceptionnelle pour la conservation \u00bb, explique <a href=\"https:\/\/www.landscapealliance.org\/research-staff\/rhett-daniel-harrison\/\" target=\"_blank\" rel=\"noreferrer noopener\">Rhett Harrison \u00e9cologue \u00e0 Landscape Alliance<\/a> , ayant particip\u00e9 aux activit\u00e9s de suivi sur le terrain en 2025. \u00ab Les indices que nous recueillons montrent que Managalas figure probablement parmi les for\u00eats tropicales les plus diversifi\u00e9es au monde. \u00bb<\/p>\n\n\n\n<div class=\"wp-block-group alignfull has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)\">\n<figure class=\"wp-block-image alignwide size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1440\" src=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Rhett-Harrison-right-with-community-members-on-the-Managalas-Plateau.-Photo-by-Russell-Wai_CIFOR-ICRAF-scaled.jpg\" alt=\"Rhett Harrison, a man with a long grey beard and braided hair, smiles while shaking hands with a local community member wearing a camouflage cap inside a room with woven bamboo walls as others look on.\" class=\"wp-image-160971\" srcset=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Rhett-Harrison-right-with-community-members-on-the-Managalas-Plateau.-Photo-by-Russell-Wai_CIFOR-ICRAF-scaled.jpg 2560w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Rhett-Harrison-right-with-community-members-on-the-Managalas-Plateau.-Photo-by-Russell-Wai_CIFOR-ICRAF-566x318.jpg 566w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Rhett-Harrison-right-with-community-members-on-the-Managalas-Plateau.-Photo-by-Russell-Wai_CIFOR-ICRAF-738x415.jpg 738w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Rhett-Harrison-right-with-community-members-on-the-Managalas-Plateau.-Photo-by-Russell-Wai_CIFOR-ICRAF-768x432.jpg 768w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Rhett-Harrison-right-with-community-members-on-the-Managalas-Plateau.-Photo-by-Russell-Wai_CIFOR-ICRAF-220x124.jpg 220w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Rhett-Harrison-right-with-community-members-on-the-Managalas-Plateau.-Photo-by-Russell-Wai_CIFOR-ICRAF-1536x864.jpg 1536w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Rhett-Harrison-right-with-community-members-on-the-Managalas-Plateau.-Photo-by-Russell-Wai_CIFOR-ICRAF-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><figcaption class=\"wp-element-caption\">Rhett Harrison (\u00e0 droite) \u00e9change avec des membres de la communaut\u00e9 sur le plateau de Managalas. Photo: Russell Wai \/ Landscape Alliance<\/figcaption><\/figure>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Cette richesse n&rsquo;a rien de surprenant. L&rsquo;\u00eele de Nouvelle-Guin\u00e9e est reconnue comme l&rsquo;un des grands foyers mondiaux de biodiversit\u00e9, au m\u00eame titre que Born\u00e9o ou l&rsquo;Amazonie occidentale. Pourtant, les connaissances scientifiques sur sa biodiversit\u00e9 restent beaucoup plus limit\u00e9es, principalement en raison du manque de recherches, de suivi et de ressources consacr\u00e9es \u00e0 cette r\u00e9gion. \u00ab Il existe tr\u00e8s peu d&rsquo;enregistrements de chants d&rsquo;oiseaux provenant de Papouasie\u2013Nouvelle-Guin\u00e9e, simplement parce que peu de chercheurs s&rsquo;y sont rendus pour documenter les esp\u00e8ces \u00bb, explique Gabriel Leite, de l&rsquo;organisation sp\u00e9cialis\u00e9e dans le suivi de la faune WildMon, qui collabore avec la MCA pour inventorier sa biodiversit\u00e9.<\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns alignfull is-layout-flex wp-container-core-columns-is-layout-6b44f232 wp-block-columns-is-layout-flex\" style=\"border-top-style:dashed;border-top-width:1px;border-bottom-style:dashed;border-bottom-width:1px;padding-top:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:190px\">\n<div class=\"wp-block-buttons is-content-justification-left is-nowrap is-layout-flex wp-container-core-buttons-is-layout-4d114226 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-contrast-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.forestsnews.org\/fr\/162143\/compter-ce-qui-compte-biodiversite-mintom-cameroun\" style=\"border-radius:3px;background-color:#bdedb9;padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);font-style:normal;font-weight:700\" target=\"_blank\" rel=\"noreferrer noopener\">A Lire Egalement<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"line-height:1.5\">\n<h2 class=\"wp-block-heading has-custom-green-dark-new-color has-text-color has-link-color wp-elements-78d050c68d5d0ef81bb348519d0ad4f8\" id=\"h-counting-what-counts-how-biodiversity-is-being-measured-and-protected-in-cameroon-s-mintom-forests\" style=\"font-size:clamp(1.039rem, 1.039rem + ((1vw - 0.2rem) * 0.88), 1.6rem);font-style:normal;font-weight:600\"><a href=\"https:\/\/www.forestsnews.org\/fr\/162143\/compter-ce-qui-compte-biodiversite-mintom-cameroun\" target=\"_blank\" rel=\"noreferrer noopener\">Counting what counts: How biodiversity is being measured and protected in Cameroon\u2019s Mintom forests<\/a><\/h2>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Les inventaires existants confirment d\u00e9j\u00e0 la pr\u00e9sence de nombreuses esp\u00e8ces rares ou prot\u00e9g\u00e9es dans la zone de conservation, notamment plusieurs oiseaux de paradis, le casoar nain, l&rsquo;\u00e9chidn\u00e9 \u00e0 long bec ou encore diff\u00e9rents kangourous arboricoles. Des observations signalent m\u00eame, dans les zones les plus \u00e9lev\u00e9es du plateau, la pr\u00e9sence du c\u00e9l\u00e8bre \u00ab chien chanteur \u00bb de Nouvelle-Guin\u00e9e, une ancienne lign\u00e9e canine proche du dingo australien, connue pour produire des vocalisations m\u00e9lodieuses plut\u00f4t que des aboiements. Cependant, comme le souligne Rhett Harrison, \u00ab pour beaucoup de ces esp\u00e8ces, nous ne disposons tout simplement pas des donn\u00e9es n\u00e9cessaires pour savoir si elles sont r\u00e9ellement menac\u00e9es ou non \u00bb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;ONG Partners with Melanesians (PwM), bas\u00e9e \u00e0 Port Moresby et qui a accompagn\u00e9 pendant plusieurs d\u00e9cennies les communaut\u00e9s de Managalas jusqu&rsquo;\u00e0 la cr\u00e9ation officielle de la zone de conservation en 2017, avait d\u00e9j\u00e0 r\u00e9alis\u00e9 plusieurs inventaires de biodiversit\u00e9. Toutefois, leur couverture restait limit\u00e9e et une grande partie des informations recueillies a malheureusement \u00e9t\u00e9 perdue \u00e0 la suite d&rsquo;une panne informatique.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aujourd&rsquo;hui encore, de nombreux habitants du plateau restent m\u00e9fiants vis-\u00e0-vis des chercheurs venus collecter des informations sur leur territoire. As MCF Chair Malchus Kajia explained, Comme l&rsquo;explique Malchus Kajia, pr\u00e9sident de la MCF : \u00ab Les populations sont devenues m\u00e9fiantes \u00e0 l&rsquo;\u00e9gard des informations recueillies chez nous. Elles nous disent que l&rsquo;information a une valeur \u00e9conomique et qu&rsquo;\u00e0 partir de ces donn\u00e9es, les chercheurs peuvent obtenir des financements ailleurs, sans que ces ressources ne reviennent aux communaut\u00e9s. \u00bb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lors d&rsquo;une r\u00e9cente visite sur le plateau, l&rsquo;\u00e9quipe m\u00e9dia a pu constater cette m\u00e9fiance. En s&rsquo;arr\u00eatant dans un village pour discuter avec les habitants de la faune locale, plusieurs personnes ont cru que les visiteurs photographiaient <a href=\"https:\/\/www.forestsnews.org\/fr\/162758\/effet-papillon\" target=\"_blank\" rel=\"noreferrer noopener\">les papillons  de cette zone<\/a> afin de vendre ensuite ces images \u00e0 des fins commerciales..  <\/p>\n\n\n\n<div class=\"wp-block-group alignfull has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30)\">\n<figure class=\"wp-block-image alignwide size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1440\" src=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Gabriel-Leite-front-and-BTLs-walk-through-the-forest.-Photo-by-Russell-Wai_CIFOR-ICRAF-scaled.jpg\" alt=\"Gabriel Leite walks down a jungle path wearing a grey shirt, a cap and binoculars while leading a line of local researchers through dense green tropical foliage.\" class=\"wp-image-160978\" srcset=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Gabriel-Leite-front-and-BTLs-walk-through-the-forest.-Photo-by-Russell-Wai_CIFOR-ICRAF-scaled.jpg 2560w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Gabriel-Leite-front-and-BTLs-walk-through-the-forest.-Photo-by-Russell-Wai_CIFOR-ICRAF-566x318.jpg 566w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Gabriel-Leite-front-and-BTLs-walk-through-the-forest.-Photo-by-Russell-Wai_CIFOR-ICRAF-738x415.jpg 738w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Gabriel-Leite-front-and-BTLs-walk-through-the-forest.-Photo-by-Russell-Wai_CIFOR-ICRAF-768x432.jpg 768w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Gabriel-Leite-front-and-BTLs-walk-through-the-forest.-Photo-by-Russell-Wai_CIFOR-ICRAF-220x124.jpg 220w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Gabriel-Leite-front-and-BTLs-walk-through-the-forest.-Photo-by-Russell-Wai_CIFOR-ICRAF-1536x864.jpg 1536w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Gabriel-Leite-front-and-BTLs-walk-through-the-forest.-Photo-by-Russell-Wai_CIFOR-ICRAF-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><figcaption class=\"wp-element-caption\">Gabriel Leite (front) and BTLs walk through the forest. Photo by Russell Wai \/ Landscape Alliance<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-group alignfull has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)\">\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-baaca9a6 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1440\" src=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Gabriel-Leite-right-shows-BTLs-how-to-set-up-camera-traps.-Photo-by-Russell-Wai_CIFOR-ICRAF-scaled.jpg\" alt=\"A close-up shot of Gabriel Leite pointing to the digital screen of a camouflage camera trap strapped to a slender tree trunk while a group of local men huddle closely to watch the demonstration.\" class=\"wp-image-160983\" srcset=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Gabriel-Leite-right-shows-BTLs-how-to-set-up-camera-traps.-Photo-by-Russell-Wai_CIFOR-ICRAF-scaled.jpg 2560w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Gabriel-Leite-right-shows-BTLs-how-to-set-up-camera-traps.-Photo-by-Russell-Wai_CIFOR-ICRAF-566x318.jpg 566w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Gabriel-Leite-right-shows-BTLs-how-to-set-up-camera-traps.-Photo-by-Russell-Wai_CIFOR-ICRAF-738x415.jpg 738w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Gabriel-Leite-right-shows-BTLs-how-to-set-up-camera-traps.-Photo-by-Russell-Wai_CIFOR-ICRAF-768x432.jpg 768w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Gabriel-Leite-right-shows-BTLs-how-to-set-up-camera-traps.-Photo-by-Russell-Wai_CIFOR-ICRAF-220x124.jpg 220w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Gabriel-Leite-right-shows-BTLs-how-to-set-up-camera-traps.-Photo-by-Russell-Wai_CIFOR-ICRAF-1536x864.jpg 1536w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Gabriel-Leite-right-shows-BTLs-how-to-set-up-camera-traps.-Photo-by-Russell-Wai_CIFOR-ICRAF-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><figcaption class=\"wp-element-caption\">Gabriel Leite (\u00e0 droite) montre aux responsables des \u00e9quipes Biodiversit\u00e9 comment installer des pi\u00e8ges photographiques.<br>Photo: Russell Wai \/ Landscape Alliance<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1440\" src=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Biodiversity-Team-Leaders-set-up-a-sound-recorder.-Photo-by-Russell-Wai_CIFOR-ICRAF-scaled.jpg\" alt=\"A close-up view of researchers using a smartphone to configure a small green acoustic recording box attached to a thin branch in the forest.\" class=\"wp-image-160989\" srcset=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Biodiversity-Team-Leaders-set-up-a-sound-recorder.-Photo-by-Russell-Wai_CIFOR-ICRAF-scaled.jpg 2560w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Biodiversity-Team-Leaders-set-up-a-sound-recorder.-Photo-by-Russell-Wai_CIFOR-ICRAF-566x318.jpg 566w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Biodiversity-Team-Leaders-set-up-a-sound-recorder.-Photo-by-Russell-Wai_CIFOR-ICRAF-738x415.jpg 738w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Biodiversity-Team-Leaders-set-up-a-sound-recorder.-Photo-by-Russell-Wai_CIFOR-ICRAF-768x432.jpg 768w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Biodiversity-Team-Leaders-set-up-a-sound-recorder.-Photo-by-Russell-Wai_CIFOR-ICRAF-220x124.jpg 220w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Biodiversity-Team-Leaders-set-up-a-sound-recorder.-Photo-by-Russell-Wai_CIFOR-ICRAF-1536x864.jpg 1536w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Biodiversity-Team-Leaders-set-up-a-sound-recorder.-Photo-by-Russell-Wai_CIFOR-ICRAF-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><figcaption class=\"wp-element-caption\">Les responsables des \u00e9quipes Biodiversit\u00e9  installent un enregistreur acoustique.<br>Photo: Russell Wai \/ Landscape Alliance<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Face \u00e0 ces pr\u00e9occupations, la MCF et ses partenaires souhaitent adopter une nouvelle approche scientifique, o\u00f9 les communaut\u00e9s participent pleinement \u00e0 toutes les \u00e9tapes du processus et deviennent copropri\u00e9taires des donn\u00e9es produites.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ainsi, de jeunes habitants sont progressivement form\u00e9s comme responsables des \u00e9quipes locales de biodiversit\u00e9. \u00c0 mesure qu&rsquo;ils d\u00e9veloppent leurs comp\u00e9tences, ils prennent en charge une part croissante des travaux de terrain li\u00e9s aux inventaires biologiques. Parall\u00e8lement, les donn\u00e9es collect\u00e9es sont r\u00e9guli\u00e8rement restitu\u00e9es aux communaut\u00e9s une fois analys\u00e9es et seront conserv\u00e9es sur un r\u00e9seau local accessible \u00e0 tous.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette d\u00e9marche soul\u00e8ve d\u00e9j\u00e0 plusieurs questions importantes. Par exemple, face au volume colossal d&rsquo;informations produites par les pi\u00e8ges photographiques \u2014 environ 1,5 t\u00e9raoctet de donn\u00e9es par grille d&rsquo;\u00e9chantillonnage et par mois \u2014 la biologiste consultante Mellie Musonera s&rsquo;interroge : \u00ab Quelle est la meilleure mani\u00e8re de restituer toutes ces informations aux communaut\u00e9s ? \u00bb<\/p>\n\n\n\n<div class=\"wp-block-group alignfull has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30)\">\n<figure class=\"wp-block-image alignwide size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1425\" src=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Screenshot-2026-06-28-at-21.07.27-scaled.png\" alt=\"A man wearing glasses and a backpack looks toward the camera as he prepares to board a white utility vehicle alongside two other men.\" class=\"wp-image-160995\" srcset=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Screenshot-2026-06-28-at-21.07.27-scaled.png 2560w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Screenshot-2026-06-28-at-21.07.27-566x315.png 566w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Screenshot-2026-06-28-at-21.07.27-745x415.png 745w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Screenshot-2026-06-28-at-21.07.27-768x428.png 768w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Screenshot-2026-06-28-at-21.07.27-220x122.png 220w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Screenshot-2026-06-28-at-21.07.27-1536x855.png 1536w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/Screenshot-2026-06-28-at-21.07.27-2048x1140.png 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><figcaption class=\"wp-element-caption\">Mellie Musonera et les responsables des \u00e9quipes Biodiversit\u00e9 se rendent sur les sites. Photo: Russell Wai \/ Landscape Alliance<\/figcaption><\/figure>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Rhett Harrison s&rsquo;interroge \u00e9galement sur l&rsquo;utilit\u00e9 imm\u00e9diate de ces donn\u00e9es pour orienter les d\u00e9cisions de gestion. Selon lui, il faut environ vingt ann\u00e9es de suivi continu pour pouvoir identifier avec certitude les tendances d&rsquo;\u00e9volution des populations animales. Pour autant, il estime que l&rsquo;implication des communaut\u00e9s dans le suivi de la biodiversit\u00e9 pr\u00e9sente d\u00e9j\u00e0 des b\u00e9n\u00e9fices majeurs en mati\u00e8re de sensibilisation et de renforcement des capacit\u00e9s. \u00ab Nous voulons qu&rsquo;elles participent pleinement au processus afin qu&rsquo;elles comprennent la valeur de ce qu&rsquo;elles contribueront, \u00e0 terme, \u00e0 pr\u00e9server et pour lequel elles pourront \u00eatre r\u00e9mun\u00e9r\u00e9es \u00bb, explique-t-il.<\/p>\n\n\n\n<div style=\"height:31px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<details class=\"wp-block-details\"><summary><mark style=\"background-color:rgba(0, 0, 0, 0);color:#87d552\" class=\"has-inline-color is-layout-flow wp-block-details-is-layout-flow\">Cette s\u00e9rie d&rsquo;articles retrace le parcours de la zone de conservation de Managalas pour d\u00e9couvrir pr\u00e9cis\u00e9ment ce que renferment ses for\u00eats, une d\u00e9marche qui offre \u00e9galement des enseignements pr\u00e9cieux pour le suivi de la biodiversit\u00e9 dans l&rsquo;ensemble de la Papouasie\u2013Nouvelle-Guin\u00e9e.<\/mark>.<br><\/summary>\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#87d552\" class=\"has-inline-color\"><strong>Les prochains articles de cette s\u00e9rie<\/strong> mettront en lumi\u00e8re de jeunes habitants qui apprennent \u00e0 d\u00e9ployer des pi\u00e8ges photographiques et des enregistreurs acoustiques, un biologiste br\u00e9silien qui expliquera en quoi la for\u00eat tropicale de Managalas se compare \u00e0 l&rsquo;Amazonie, ainsi qu&rsquo;une exploration des diff\u00e9rentes fa\u00e7ons de mieux comprendre ce que renferme une for\u00eat, depuis la mobilisation des connaissances \u00e9cologiques locales jusqu&rsquo;\u00e0 l&rsquo;examen des possibilit\u00e9s et des enjeux \u00e9thiques li\u00e9s \u00e0 des techniques \u00e9mergentes telles que l&rsquo;\u00e9chantillonnage de l&rsquo;ADN environnemental (eDNA).<\/mark><\/p>\n<\/details>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><em><strong>Pour en savoir plus sur ce projet, veuillez contacter Will Unsworth, responsable du programme de Landscape Alliance en Papouasie\u2013Nouvelle-Guin\u00e9e :<\/strong>  <\/em><a href=\"mailto:w.unsworth@cifor-icraf.org\" target=\"_blank\" rel=\"noreferrer noopener\"><em>w.unsworth@cifor-icraf.org<\/em><\/a><em> <\/em> <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cet article est le premier d&rsquo;une s\u00e9rie de trois consacr\u00e9e \u00e0 la mani\u00e8re dont les communaut\u00e9s locales et les chercheurs suivent la biodiversit\u00e9 sur le plateau de Managalas, en Papouasie\u2013Nouvelle-Guin\u00e9e. Dans une clairi\u00e8re de la Zone de Conservation de Managalas (MCA) dans la province d&rsquo;Oro en Papouasie\u2013Nouvelle-Guin\u00e9e, un manchot en peluche install\u00e9 dans une petite [&hellip;]<\/p>\n","protected":false},"author":264,"featured_media":161030,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[12103,12111,12051,12056],"tags":[13180,13184,12963,13054,13181,13186,13182,13185],"language":[2170],"location":[12253,13183],"tag-bahasa":[],"tag-espanol":[],"tag-francais":[13187,2962],"type-espanol":[],"type-bahasa":[],"type-english":[11873],"type-francais":[],"coauthors":[7144],"class_list":["post-161155","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-foresterie-communautaire","category-forests-news-fr","category-gestion-et-restauration-forestiere","category-paysages","tag-biodiversity-mapping","tag-cartographie-de-la-biodiversite","tag-conservation","tag-landscape-alliance","tag-managalas-plateau","tag-papouasie-nouvelle-guinee","tag-papua-new-guinea","tag-plateau-de-managalas","language-francais","location-asia-pacific","location-papua-new-guinea","tag-francais-cartographie-de-la-biodiversite","tag-francais-conservation","type-english-explainer"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.4 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Que renferme une for\u00eat tropicale ? 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