{"id":5430,"date":"2009-02-09T21:27:34","date_gmt":"2009-02-09T19:27:34","guid":{"rendered":"http:\/\/staging.sillon38.com\/2009\/02\/09\/lancement-des-corridors-biologiques-du-gresivaudan\/"},"modified":"2009-02-09T21:27:34","modified_gmt":"2009-02-09T19:27:34","slug":"lancement-des-corridors-biologiques-du-gresivaudan","status":"publish","type":"post","link":"https:\/\/www.sillon38.com\/blog\/2009\/02\/09\/lancement-des-corridors-biologiques-du-gresivaudan\/","title":{"rendered":"Lancement des corridors biologiques du Gr\u00e9sivaudan"},"content":{"rendered":"\n\n\n
\n

<\/p>\n<\/td>\n

Routes, barrages des rivi\u00e8res, lignes \u00e0 haute tension… L’homme complique la vie aux animaux qui veulent se d\u00e9placer.
\nLes prot\u00e9ger c’est aussi prot\u00e9ger leurs d\u00e9placements<\/strong>, en cr\u00e9ant, l\u00e0 o\u00f9 l’homme les a d\u00e9truits, des corridors biologiques par lesquels les animaux peuvent passer.<\/td>\n<\/tr>\n
On se rend compte aujourd’hui qu’il est essentiel de relier aussi les espaces naturels entre eux<\/strong> et d’assurer la libre circulation de la faune et de la flore \u00e0 travers les territoires. Il s’agit donc de prot\u00e9ger les corridors biologiques, ces espaces utilis\u00e9s par la faune et la flore pour se d\u00e9placer au cours de son cycle annuel.<\/td>\n<\/tr>\n<\/table>\n\n\n
\"<\/strong><\/td>\nAm\u00e9liorer la s\u00e9curit\u00e9 routi\u00e8re<\/strong><\/td>\n\"<\/td>\n<\/tr>\n<\/table>\n\n\n
\n

\"\u00a9<\/p>\n

Qu’ils passent par-dessus les routes ou qu’ils soient souterrains<\/strong>, les corridors biologiques ont un r\u00f4le effectif dans la protection de la faune sauvage mais aussi dans la pr\u00e9vention des accidents.
\n
\nOn recense environ 1 000 collisions chaque ann\u00e9e en Is\u00e8re<\/strong> entre automobilistes et gros gibiers. Cela occasionne des d\u00e9g\u00e2ts mat\u00e9riels importants, des dizaines de bless\u00e9s et un mort en moyenne par an.<\/p>\n

A cela il faut ajouter bien s\u00fbr la mort des 1 000 animaux concern\u00e9s. La situation s’aggrave quand il s’agit de migrations de milliers d’amphibiens qui se font \u00e9craser d\u00e9but mars lorsqu’ils vont rejoindre leurs lieux de ponte. Une femelle crapaud replie d’oeufs g\u00e9latineux, aplatie sur le macadam, c’est une v\u00e9ritable savonnette !<\/p>\n

Nul doute que le risque de d\u00e9rapages et d’accidents est s\u00e9rieusement augment\u00e9, d’autant plus que les charognes attirent les renards, blaireaux et sangliers. Le probl\u00e8me li\u00e9 au d\u00e9placement des insectes est moins connu mais n’en reste pas moins important.<\/td>\n<\/tr>\n<\/table>\n\n\n
\"<\/strong><\/td>\nLe recensement des corridors biologiques<\/strong><\/td>\n\"<\/td>\n<\/tr>\n<\/table>\n

Un recensement des corridors biologiques<\/strong> a d\u00e9j\u00e0 \u00e9t\u00e9 effectu\u00e9 sur l’ensemble du territoire is\u00e9rois, et une \u00e9tude est en cours, pour d\u00e9terminer les points de conflits entre la faune et les infrastructures humaines.<\/p>\n

\"corridors.jpg\"<\/p>\n

D\u00e9j\u00e0 fortement transform\u00e9s par une agriculture intensive, les espaces naturels sont encore r\u00e9duits et fragment\u00e9s par de nombreuses infrastructures. <\/em><\/p>\n

Lancement des corridors biologiques du Gr\u00e9sivaudan <\/strong><\/p>\n

\"corridors-1.jpg\"<\/p>\n

Parmi les\u00a0 projets retenus en Is\u00e8re, on notera celui du Gr\u00e9sivaudan qui vient d’\u00eatre officiellement lanc\u00e9 par Jean-Jack Queyrane, pr\u00e9sident de la r\u00e9gion Rh\u00f4ne Alpes, et par Andr\u00e9 Vallini, pr\u00e9sident du Conseil g\u00e9n\u00e9ral de l’Is\u00e8re.<\/p>\n

\"corridors-3.jpg\"<\/p>\n

Certains, dont les agriculteurs qui subissent de nombreux d\u00e9g\u00e2ts, de sangliers par exemple, critiquent cette op\u00e9ration, d’autres se demandent si en cette p\u00e9riode de crise, il est opportun de d\u00e9penser 9 millions d’euros pour une offrir une libre circulation de la faune et de la flore entre les massifs du Vercors, Chartreuse, Belledonne et des Bauges.<\/p>\n

Le projet Gr\u00e9sivaudan concerne en effet ces quatre massifs.
\nEn r\u00e9ponse, il a \u00e9t\u00e9 indiqu\u00e9 que les corridors biologiques du Gr\u00e9sivaudan allaient jouer plusieurs r\u00f4les et qu’ils seraient des piliers fondamentaux dans l’\u00e9quilibre durable de l’activit\u00e9 agricole.<\/p>\n

Un concept aux multiples facettes: environnemental – am\u00e9nagement du territoire – gestion concert\u00e9e de l’espace – pr\u00e9servation des espaces naturels – cohabitation saine entre les hommes et la faune…<\/p>\n

La r\u00e9gion Rh\u00f4ne-Alpes et le d\u00e9partement de l’Is\u00e8re sont pionniers dans ce programme.<\/p>\n

Pour plus d’infos: www.isere-environnement.fr <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Routes, barrages des rivi\u00e8res, lignes \u00e0 haute tension… L’homme complique la vie aux animaux qui veulent se d\u00e9placer. 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