{"id":1546,"date":"2017-09-04T09:23:31","date_gmt":"2017-09-04T09:23:31","guid":{"rendered":"https:\/\/optmix.efno.fr\/?p=1546"},"modified":"2017-09-04T13:54:23","modified_gmt":"2017-09-04T13:54:23","slug":"mesures-de-flux-de-seve","status":"publish","type":"post","link":"https:\/\/optmix.efno.fr\/?p=1546","title":{"rendered":"Des mesures de flux de s\u00e8ve pour mieux comprendre l&rsquo;utilisation de l&rsquo;eau par les arbres"},"content":{"rendered":"<p>Dans le cadre de la th\u00e8se de Jordan Bello (Irstea Nogent-sur-Vernisson) des capteurs de flux de s\u00e8ve ont \u00e9t\u00e9 install\u00e9s dans les placettes OPTMix en collaboration avec l\u2019INRA de Nancy (Damien Bonal).<br \/>\nL\u2019objectif de cette exp\u00e9rimentation est de mieux comprendre les strat\u00e9gies du ch\u00eane sessile et du pin sylvestre vis \u00e0 vis de la consommation de l\u2019eau sur un sol \u00e0 nappe perch\u00e9e temporaire. Pour cela la densit\u00e9 du flux des individus sera mesur\u00e9e lorsque les conditions sont non limitantes en eau ainsi que pendant des p\u00e9riodes de forte contrainte hydrique. De plus, les capteurs ont \u00e9t\u00e9 install\u00e9s dans des peuplements purs et m\u00e9lang\u00e9s afin de d\u00e9terminer si la transpiration de ces esp\u00e8ces est modifi\u00e9e lorsqu\u2019elles poussent en m\u00e9lange.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-1539\" style=\"background: transparent; border: none;\" src=\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2017\/09\/flux_1_IMG_1750_small-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2017\/09\/flux_1_IMG_1750_small-225x300.jpg 225w, https:\/\/optmix.efno.fr\/wp-content\/uploads\/2017\/09\/flux_1_IMG_1750_small.jpg 675w\" sizes=\"(max-width: 225px) 100vw, 225px\" \/>&nbsp;&nbsp;<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-1540\" style=\"background: transparent; border: none;\" src=\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2017\/09\/flux_2_IMG_1740_small-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2017\/09\/flux_2_IMG_1740_small-225x300.jpg 225w, https:\/\/optmix.efno.fr\/wp-content\/uploads\/2017\/09\/flux_2_IMG_1740_small.jpg 675w\" sizes=\"(max-width: 225px) 100vw, 225px\" \/><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-1538\" style=\"background: transparent; border: none;\" src=\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2017\/09\/flux_3_2017-05-12-14.15.10-143_small-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2017\/09\/flux_3_2017-05-12-14.15.10-143_small-225x300.jpg 225w, https:\/\/optmix.efno.fr\/wp-content\/uploads\/2017\/09\/flux_3_2017-05-12-14.15.10-143_small.jpg 675w\" sizes=\"(max-width: 225px) 100vw, 225px\" \/>&nbsp;&nbsp;<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-1541\" style=\"background: transparent; border: none;\" src=\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2017\/09\/flux_4_IMG_1734_small-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/optmix.efno.fr\/wp-content\/uploads\/2017\/09\/flux_4_IMG_1734_small-225x300.jpg 225w, https:\/\/optmix.efno.fr\/wp-content\/uploads\/2017\/09\/flux_4_IMG_1734_small.jpg 675w\" sizes=\"(max-width: 225px) 100vw, 225px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dans le cadre de la th\u00e8se de Jordan Bello (Irstea Nogent-sur-Vernisson) des capteurs de flux de s\u00e8ve ont \u00e9t\u00e9 install\u00e9s dans les placettes OPTMix en collaboration avec l\u2019INRA de Nancy (Damien Bonal). L\u2019objectif de cette exp\u00e9rimentation est de mieux comprendre les strat\u00e9gies du ch\u00eane sessile et du pin sylvestre vis \u00e0 vis de la consommation &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"https:\/\/optmix.efno.fr\/?p=1546\">Lire la suite<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/optmix.efno.fr\/index.php?rest_route=\/wp\/v2\/posts\/1546"}],"collection":[{"href":"https:\/\/optmix.efno.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/optmix.efno.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/optmix.efno.fr\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/optmix.efno.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1546"}],"version-history":[{"count":6,"href":"https:\/\/optmix.efno.fr\/index.php?rest_route=\/wp\/v2\/posts\/1546\/revisions"}],"predecessor-version":[{"id":1556,"href":"https:\/\/optmix.efno.fr\/index.php?rest_route=\/wp\/v2\/posts\/1546\/revisions\/1556"}],"wp:attachment":[{"href":"https:\/\/optmix.efno.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1546"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/optmix.efno.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1546"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/optmix.efno.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}