{"id":685,"date":"2013-04-28T08:33:08","date_gmt":"2013-04-28T07:33:08","guid":{"rendered":"https:\/\/asal.dz\/?p=685"},"modified":"2018-12-24T09:58:21","modified_gmt":"2018-12-24T08:58:21","slug":"analyse-des-conditions-ecologiques-des-regions-de-reproduction-du-criquet-pelerin-au-sahara-central-algerie-au-sahara-occidental-en-mauritanie-et-au-nord-mali","status":"publish","type":"post","link":"https:\/\/asal.dz\/?p=685","title":{"rendered":"Analyse des conditions \u00e9cologiques des r\u00e9gions de reproduction du criquet p\u00e8lerin au Sahara Central (Alg\u00e9rie),  au Sahara Occidental, en Mauritanie et  au Nord Mali"},"content":{"rendered":"<table border=\"0\" width=\"699\">\n<tbody>\n<tr>\n<td colspan=\"5\" rowspan=\"5\" align=\"left\" valign=\"top\">\n<p class=\"Style83\" align=\"justify\">Dans le cadre de sa collaboration avec le Minist\u00e8re de l\u2019Agriculture \u00a0et du D\u00e9veloppement Rural (MADR), et \u00e0 la demande de l\u2019Institut National de Protection des V\u00e9g\u00e9taux (INPV), l\u2019Agence Spatiale Alg\u00e9rienne (ASAL) a men\u00e9 la campagne printani\u00e8re de lutte contre le criquet p\u00e8lerin et poursuivi sa mission de localisation des zones \u00e9cologiquement favorables, susceptibles d\u2019abriter la reproduction acridienne en cette p\u00e9riode.<\/p>\n<p class=\"Style83\" align=\"justify\">A ce titre, elle a exploit\u00e9 \u00a0les images satellitaires \u00e0 moyenne r\u00e9solution, des mois de f\u00e9vrier et mars 2013, couvrant les r\u00e9gions du Sud Alg\u00e9rien (Wilayas de B\u00e9char, Tindouf, Adrar, Tamanrasset et Illizi), le Sahara Occidental, la Mauritanie et le Nord Mali, sur une superficie de <strong>2 334 906 km2<\/strong><\/p>\n<p class=\"Style81\" align=\"justify\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/criquet2804131.JPG\" width=\"653\" height=\"408\" \/><\/p>\n<p align=\"center\"><span class=\"Style89\"><strong>Figure 1\u00a0: Carte de situation de la r\u00e9gion d\u2019int\u00e9r\u00eat\u00a0 concern\u00e9e par l\u2019analyse\u00a0 des conditions \u00e9cologiques du criquet p\u00e8lerin \u00e0 partir des images satellitaires UK DMC II, de f\u00e9vrier et mars 2013<\/strong><em>.<\/em><\/span><\/p>\n<p class=\"Style96\" align=\"justify\">L\u2019analyse des conditions \u00e9cologiques \u00e0 partir des images satellitaires \u00e0 moyenne r\u00e9solution, a permis de localiser les zones potentielles pouvant abriter le criquet p\u00e8lerin, notamment dans les r\u00e9gions de B\u00e9char et d\u2019Illizi (Alg\u00e9rie), au Sahara Occidental et en Mauritanie.<\/p>\n<p class=\"Style96\" align=\"justify\">En Alg\u00e9rie, le couvert v\u00e9g\u00e9tal, g\u00e9n\u00e9ralement localis\u00e9 au niveau des lits d\u2019oueds, est de moyenne densit\u00e9 et pr\u00e9sente une activit\u00e9 chlorophyllienne moyenne\u00a0\u00e0 importante dans les r\u00e9gions d\u2019Adrar et Illizi.<\/p>\n<p class=\"Style96\" align=\"justify\">Au niveau de l\u2019oued Guir dans la wilaya de B\u00e9char,\u00a0 cette activit\u00e9 est tr\u00e8s forte.<\/p>\n<p class=\"Style96\" align=\"justify\">Au Sahara Occidental, le couvert v\u00e9g\u00e9tal pr\u00e9sente une tr\u00e8s forte activit\u00e9 chlorophyllienne au niveau de la r\u00e9gion de Smara, \u00e0 la fronti\u00e8re mauritanienne.<\/p>\n<p class=\"Style96\" align=\"justify\">Au niveau de la c\u00f4te, la v\u00e9g\u00e9tation est \u00e9parse mais pr\u00e9sente une forte activit\u00e9 chlorophyllienne.<\/p>\n<p>Les zones identifi\u00e9es dans la r\u00e9gion \u00e9tudi\u00e9e se caract\u00e9risent par des conditions \u00e9cologiques tr\u00e8s favorables \u00e0 la reproduction du criquet p\u00e8lerin.<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/criquet2804133.JPG\" width=\"651\" height=\"461\" \/><\/p>\n<p class=\"Style89\" align=\"center\"><strong>Figure 2\u00a0: Identification des zones de reproduction du criquet p\u00e8lerin au\u00a0 Sahara Central (Alg\u00e9rie), Sahara Occidental, Mauritanie et\u00a0 Nord\u00a0 Mali. <\/strong><\/p>\n<p class=\"Style84\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/criquet2804134.JPG\" width=\"609\" height=\"432\" \/><\/p>\n<p class=\"Style89\" align=\"center\"><strong>Figure 3\u00a0: Identification des zones de reproduction du criquet p\u00e8lerin en Mauritanie.<\/strong><\/p>\n<p class=\"Style89\" align=\"center\">\n<p class=\"Style83\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/criquet2804135.JPG\" width=\"609\" height=\"432\" \/><\/p>\n<blockquote>\n<p class=\"Style89\" align=\"center\"><strong>Figure 4\u00a0: Identification des zones de reproduction du criquet p\u00e8lerin au Sahara Occidental.<\/strong><\/p>\n<\/blockquote>\n<p class=\"Style84\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/criquet2804136.JPG\" width=\"583\" height=\"414\" \/><\/p>\n<p class=\"Style89\" align=\"center\"><strong>Figure 5\u00a0: Identification des zones de reproduction du criquet p\u00e8lerin dans les r\u00e9gions de B\u00e9char et Adrar.<\/strong><\/p>\n<p class=\"Style89\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/criquet2804137.JPG\" width=\"663\" height=\"471\" \/><\/p>\n<p class=\"Style89\" align=\"center\"><strong>Figure 6\u00a0: Identification des zones de reproduction du criquet p\u00e8lerin dans la r\u00e9gion d\u2019Ahnet.<\/strong><\/p>\n<p class=\"Style89\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/criquet2804138.JPG\" width=\"645\" height=\"457\" \/><\/p>\n<p class=\"Style89\" align=\"center\"><strong>Figure 7\u00a0: Identification des zones de reproduction du criquet p\u00e8lerin dans la r\u00e9gion d\u2019Illizi.<\/strong><\/p>\n<p class=\"Style89\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/criquet2804139.JPG\" width=\"684\" height=\"485\" \/><\/p>\n<p class=\"Style89\" align=\"center\"><strong>Figure 8\u00a0: Identification des zones de reproduction du criquet p\u00e8lerin au niveau de Oued Tadjeradjeri (W. Illizi).<\/strong><\/p>\n<p class=\"Style89\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/criquet28041310.JPG\" width=\"671\" height=\"476\" \/><\/p>\n<p class=\"Style89\" align=\"center\"><strong>Figure 9\u00a0: Identification des zones de reproduction du criquet p\u00e8lerin au niveau de Oued Guir (W. B\u00e9char).<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td height=\"62\"><\/td>\n<\/tr>\n<tr>\n<td height=\"21\"><\/td>\n<\/tr>\n<tr>\n<td height=\"21\"><\/td>\n<\/tr>\n<tr>\n<td height=\"1274\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Dans le cadre de sa collaboration avec le Minist\u00e8re de l\u2019Agriculture \u00a0et du D\u00e9veloppement Rural (MADR), et \u00e0 la demande de l\u2019Institut National de Protection des V\u00e9g\u00e9taux (INPV), l\u2019Agence Spatiale Alg\u00e9rienne (ASAL) a men\u00e9 la campagne printani\u00e8re de lutte contre le criquet p\u00e8lerin et poursuivi sa mission de localisation des zones \u00e9cologiquement favorables, susceptibles d\u2019abriter [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","footnotes":""},"categories":[3],"tags":[],"class_list":["post-685","post","type-post","status-publish","format-standard","hentry","category-actualites"],"_links":{"self":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts\/685","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=685"}],"version-history":[{"count":0,"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts\/685\/revisions"}],"wp:attachment":[{"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=685"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=685"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=685"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}