{"id":3276,"date":"2025-06-16T14:09:23","date_gmt":"2025-06-16T14:09:23","guid":{"rendered":"https:\/\/optmix.efno.fr\/?p=3276"},"modified":"2025-06-16T14:30:16","modified_gmt":"2025-06-16T14:30:16","slug":"des-nouvelles-du-projet-plastrait","status":"publish","type":"post","link":"https:\/\/optmix.efno.fr\/?p=3276","title":{"rendered":"Pr\u00e9l\u00e8vements dans le cadre du projet ANR PLASTRAIT"},"content":{"rendered":"<p>Venue d\u2018une \u00e9quipe de l\u2019Universit\u00e9 de Rouen pour des pr\u00e9l\u00e8vements dans le cadre du projet PLASTRAIT :<\/p>\n<p>\u00ab Plasticity in leaf litter quality of tree species: consequences for soil nitrogen cycling and plant-plant interactions \u00bb<\/p>\n<p>Ludovic Henneron, unit\u00e9 Ecodiv, accompagn\u00e9 de 3 coll\u00e8gues sont venues jeudi et vendredi dernier (12-13 juin) pour faire des pr\u00e9l\u00e8vements de sol et de v\u00e9g\u00e9tation dans le cadre de son projet ANR PLASTRAIT. Ces mesures sont faites sur les peuplements de ch\u00eane pur sur OPTMix (O12-O214-O593, moyenne et faible densit\u00e9) et sur des parcelles du GIS Coop pour \u00e9tudier le cycle de l\u2019azote et les traits des feuilles des esp\u00e8ces (arbre et sous-bois). Ils ont install\u00e9 5 points de mesure par placette, mat\u00e9rialis\u00e9s par une jalonnette jaune. Des tubes PVC sont enfonc\u00e9s dans le sol et seront r\u00e9cup\u00e9r\u00e9s dans fin juillet. Les pr\u00e9l\u00e8vements de feuilles vertes des ch\u00eanes pr\u00e9vus par EFNO seront utilis\u00e9s par Ecodiv pour des dosages compl\u00e9mentaires.<\/p>\n<p><a href=\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2025\/06\/20250612_151428_small.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3271\" src=\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2025\/06\/20250612_151428_small-142x300.jpg\" alt=\"\" width=\"142\" height=\"300\" srcset=\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2025\/06\/20250612_151428_small-142x300.jpg?v=1750082773 142w, https:\/\/optmix.efno.fr\/wp-content\/uploads\/2025\/06\/20250612_151428_small-485x1024.jpg?v=1750082773 485w, https:\/\/optmix.efno.fr\/wp-content\/uploads\/2025\/06\/20250612_151428_small.jpg?v=1750082773 600w\" sizes=\"(max-width: 142px) 100vw, 142px\" \/><\/a> <a href=\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2025\/06\/20250612_151040_small.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3270\" src=\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2025\/06\/20250612_151040_small-142x300.jpg\" alt=\"\" width=\"142\" height=\"300\" srcset=\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2025\/06\/20250612_151040_small-142x300.jpg?v=1750082783 142w, https:\/\/optmix.efno.fr\/wp-content\/uploads\/2025\/06\/20250612_151040_small-485x1024.jpg?v=1750082783 485w, https:\/\/optmix.efno.fr\/wp-content\/uploads\/2025\/06\/20250612_151040_small.jpg?v=1750082783 600w\" sizes=\"(max-width: 142px) 100vw, 142px\" \/><\/a> <a href=\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2025\/06\/20250612_150704_small.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3269\" src=\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2025\/06\/20250612_150704_small-142x300.jpg\" alt=\"\" width=\"142\" height=\"300\" srcset=\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2025\/06\/20250612_150704_small-142x300.jpg?v=1750082794 142w, https:\/\/optmix.efno.fr\/wp-content\/uploads\/2025\/06\/20250612_150704_small-485x1024.jpg?v=1750082794 485w, https:\/\/optmix.efno.fr\/wp-content\/uploads\/2025\/06\/20250612_150704_small.jpg?v=1750082794 600w\" sizes=\"(max-width: 142px) 100vw, 142px\" \/><\/a> <a href=\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2025\/06\/20250612_161606_small.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3268\" src=\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2025\/06\/20250612_161606_small-142x300.jpg\" alt=\"\" width=\"142\" height=\"300\" srcset=\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2025\/06\/20250612_161606_small-142x300.jpg?v=1750082802 142w, https:\/\/optmix.efno.fr\/wp-content\/uploads\/2025\/06\/20250612_161606_small-485x1024.jpg?v=1750082802 485w, https:\/\/optmix.efno.fr\/wp-content\/uploads\/2025\/06\/20250612_161606_small.jpg?v=1750082802 600w\" sizes=\"(max-width: 142px) 100vw, 142px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Venue d\u2018une \u00e9quipe de l\u2019Universit\u00e9 de Rouen pour des pr\u00e9l\u00e8vements dans le cadre du projet PLASTRAIT : \u00ab Plasticity in leaf litter quality of tree species: consequences for soil nitrogen cycling and plant-plant interactions \u00bb Ludovic Henneron, unit\u00e9 Ecodiv, accompagn\u00e9 de 3 coll\u00e8gues sont venues jeudi et vendredi dernier (12-13 juin) pour faire des pr\u00e9l\u00e8vements &hellip; 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