{"id":444,"date":"2016-01-28T10:30:42","date_gmt":"2016-01-28T09:30:42","guid":{"rendered":"https:\/\/asal.dz\/?p=444"},"modified":"2018-12-23T12:32:47","modified_gmt":"2018-12-23T11:32:47","slug":"le-lac-de-reghaia-et-ses-environs-vus-a-partir-dalsat-2a-janvier-2016","status":"publish","type":"post","link":"https:\/\/asal.dz\/?p=444","title":{"rendered":"Le lac de R\u00e9gha\u00efa et ses environs vus \u00e0 partir d\u2019Alsat-2A (janvier 2016)"},"content":{"rendered":"<table border=\"0\" width=\"700\">\n<tbody>\n<tr>\n<td colspan=\"5\" rowspan=\"5\" align=\"left\" valign=\"top\" bgcolor=\"#FFFFFF\">\n<p class=\"Style121\" align=\"justify\">La zone humide de R\u00e9gha\u00efa est situ\u00e9e \u00e0 30Km \u00e0 l\u2019Est d\u2019Alger, formant un d\u00e9bouch\u00e9 naturel de la plaine de Mitidja,\u00a0 dont le bassin versant est de 75 Km\u00b2. Elle est bord\u00e9e au Nord par la mer M\u00e9diterran\u00e9e, au Sud par la RN24 reliant Alger \u00e0 Constantine, \u00e0 l\u2019Est par la ville de Boudouaou et \u00e0 l\u2019Ouest par la ville d\u2019Ain Taya.<\/p>\n<p class=\"Style121\" align=\"justify\">Le marais de R\u00e9gha\u00efa est une zone humide c\u00f4ti\u00e8re correspondant\u00a0 \u00e0 l\u2019estuaire de l\u2019oued R\u00e9gha\u00efa, dont l\u2019embouchure est barr\u00e9e par un cordon dunaire.<\/p>\n<p class=\"Style121\" align=\"justify\">C\u2019est une zone tr\u00e8s fragile et sensible aux conditions climatiques, topographiques, hydriques mais aussi aux actions anthropiques. Cette zone est constitu\u00e9e par un couvert v\u00e9g\u00e9tal halophile tr\u00e8s diversifi\u00e9.<\/p>\n<p class=\"Style121\" align=\"justify\">Le lac de R\u00e9gha\u00efa de par son \u00e9cosyst\u00e8me et sa biodiversit\u00e9, pr\u00e9sente maintes potentialit\u00e9s qui sont actuellement expos\u00e9es aux multiples d\u00e9gradations dues \u00e0 l\u2019homme. L\u2019exploitation abusive de la ressource naturelle et la pollution, mettent l\u2019\u00e9cosyst\u00e8me en place en d\u00e9ficit qualitatif et quantitatif.<\/p>\n<p class=\"Style121\" align=\"justify\">Ce site de R\u00e9gha\u00efa a \u00e9t\u00e9 class\u00e9 en 1999, comme zone prot\u00e9g\u00e9e et a \u00e9t\u00e9 ajout\u00e9 en 2003 \u00e0 la liste RAMSAR, comme zone humide d\u2019importance internationale.<\/p>\n<p class=\"Style121\" align=\"justify\">L\u2019analyse des images du satellite Alsat-2A, prises en aout 2010 et janvier 2016, montre l\u2019\u00e9volution de cette r\u00e9gion sur le plan de l\u2019occupation des sols, li\u00e9e principalement au d\u00e9veloppement en milieu urbain, en milieu agricole et en termes d\u2019infrastructure routi\u00e8re.<\/p>\n<p class=\"Style121\" align=\"justify\">Enfin, il est \u00e0 noter que des ph\u00e9nom\u00e8nes marins ont \u00e9t\u00e9 identifi\u00e9s sur les images Alsat-2A des deux dates.<\/p>\n<p class=\"Style121\" align=\"justify\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/photo lac 01 2016.jpg\" width=\"680\" height=\"475\" border=\"1\" \/><\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/photo lac 02- 2016.jpg\" width=\"680\" height=\"488\" border=\"1\" \/><\/p>\n<p class=\"Style132\" align=\"center\">Description de la r\u00e9gion de R\u00e9gha\u00efa<\/p>\n<p class=\"Style132\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/photo lac 03- 2016.jpg\" width=\"680\" height=\"474\" border=\"1\" \/><\/p>\n<p class=\"Style132\" align=\"center\">Evolution de la zone du lac de R\u00e9gha\u00efa entre 2010 et 2016 \u00e0 partir d\u2019images satellitaires Alsat-2A<\/p>\n<p class=\"Style132\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/photo lac 04- 2016.jpg\" width=\"680\" height=\"412\" border=\"1\" \/><\/p>\n<p class=\"Style132\" align=\"center\">Vue en 3D du lac de R\u00e9gha\u00efa sur l\u2019image satellitaire Alsat-2A, 01\/01\/2016<\/p>\n<p class=\"Style132\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/photo lac 05- 2016.jpg\" width=\"680\" height=\"404\" border=\"1\" \/><\/p>\n<p class=\"Style132\" align=\"center\">Vue en 3D du lac de R\u00e9gha\u00efa sur l\u2019image satellitaire Alsat-2A, 01\/01\/2016<\/p>\n<p class=\"Style132\" align=\"center\">\n<\/td>\n<\/tr>\n<tr>\n<td height=\"62\"><\/td>\n<\/tr>\n<tr>\n<td height=\"184\"><\/td>\n<\/tr>\n<tr>\n<td height=\"44\"><\/td>\n<\/tr>\n<tr>\n<td height=\"2467\"><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td colspan=\"5\">\n<p class=\"Style39\" align=\"center\">\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>La zone humide de R\u00e9gha\u00efa est situ\u00e9e \u00e0 30Km \u00e0 l\u2019Est d\u2019Alger, formant un d\u00e9bouch\u00e9 naturel de la plaine de Mitidja,\u00a0 dont le bassin versant est de 75 Km\u00b2. Elle est bord\u00e9e au Nord par la mer M\u00e9diterran\u00e9e, au Sud par la RN24 reliant Alger \u00e0 Constantine, \u00e0 l\u2019Est par la ville de Boudouaou et [&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-444","post","type-post","status-publish","format-standard","hentry","category-actualites"],"_links":{"self":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts\/444","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=444"}],"version-history":[{"count":0,"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts\/444\/revisions"}],"wp:attachment":[{"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=444"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=444"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}