{"id":4237,"date":"2007-04-07T15:54:03","date_gmt":"2007-04-07T15:54:03","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2007\/04\/07\/australie-le-pi\/"},"modified":"2012-07-12T09:54:01","modified_gmt":"2012-07-12T09:54:01","slug":"australie-le-pi","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2007\/04\/07\/australie-le-pi\/","title":{"rendered":"Australie : le pic du bl\u00e9 aussi ?"},"content":{"rendered":"<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/australiecarte1.png\"><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"226\"  src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/australiecarte.png\" alt=\"Australiecarte\" style=\"margin: 0px 5px 5px 0px;float: left\" \/><\/a>Le continent Australien vit peut \u00eatre un moment crucial. En 1783, le continent ne comptait que 300 000 habitants, apparemment connu de longue date par les commer\u00e7ants arabes, il n&rsquo;avait pas attir\u00e9 de nouvelle population, la donne changea avec la colonisation britannique et le peuplement par des bagnards. N\u00e9anmoins, la population resta longtemps peu importante (5 000 000 habitants en 1914) et m\u00eame maintenant est relativement petite (21 000 000 environ). N\u00e9anmoins, une question qui est pos\u00e9 depuis plusieurs ann\u00e9es se r\u00e9v\u00e9le de plus en plus crucial. Le milieu naturel australien peut il supporter une telle charge ? La question peut para\u00eetre surprenante (dans l&rsquo;absolue 21 000 000 habitants ce n&rsquo;est rien). Mais le milieu local fragile, a sans <\/p>\n<p>aucun doute \u00e9t\u00e9 surexploit\u00e9. Le probl\u00e8me, vu par d&rsquo;autres civilisations, est le risque de l&rsquo;<a href=\"http:\/\/www.asmp.fr\/travaux\/communications\/2005\/ladurie.htm\">effondrement de son milieu naturel<\/a>. Ce risque, n&rsquo;est en aucun cas acad\u00e9mique. L&rsquo;Australie souffre depuis plusieurs ann\u00e9es de plusieurs maux. S\u00e9cheresses, incendies, remont\u00e9es d&rsquo;eaux sal\u00e9es, et cette ann\u00e9e, effondrement de la production de bl\u00e9. Oui effondrement, moins 60 %. Du jamais vu dans ce si\u00e9cle, hors guerre. Si la r\u00e9colte globale de bl\u00e9 est mauvaise, entrainant tension sur les prix, un recul de cet importance n&rsquo;a \u00e9t\u00e9 observ\u00e9 aux temps historique, qu&rsquo;avec l&rsquo;effondrement des civilisations ; kmers, mayas, iles du pacifique, Europe occidentale au 14\u00b0si\u00e9cle. Bien des accidents climatiques virent au contraire des r\u00e9coltes flamboyantes : l&rsquo;<a href=\"http:\/\/perso.orange.fr\/arhfilariane.org\/region\/hiver1709.htm\">hiver 1709<\/a> fut proverbialement horrible en France, la r\u00e9colte de bl\u00e9 nulle, mais une <a href=\"http:\/\/www.saosnois.com\/Catastrophes-naturelles\/le_terrible_hiver_de_lan_1709.htm\">r\u00e9colte d&rsquo;orge<\/a> sem\u00e9e tardivement donna des r\u00e9sultats inesp\u00e9r\u00e9s : l&rsquo;hiver avait extermin\u00e9 les insectes&#8230;<br \/>Autre nouvelle globale, le pic des surfaces cultiv\u00e9es semble aussi atteint&#8230;<\/p>\n<p>Gnu free documentation license<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le continent Australien vit peut \u00eatre un moment crucial. En 1783, le continent ne comptait que 300 000 habitants, apparemment connu de longue date par les commer\u00e7ants arabes, il n&rsquo;avait pas attir\u00e9 de nouvelle population, la donne changea avec la colonisation britannique et le peuplement par des bagnards. N\u00e9anmoins, la population resta longtemps peu importante [&hellip;]<\/p>\n","protected":false},"author":198,"featured_media":5296,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,6],"tags":[1944],"class_list":["post-4237","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","category-rechauffement-climatique","tag-hiver-1709-recolte-dorge-effondrement-milieu-naturel"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Australie : le pic du bl\u00e9 aussi ? - leblogenergie.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2007\/04\/07\/australie-le-pi\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Australie : le pic du bl\u00e9 aussi ? - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"Le continent Australien vit peut \u00eatre un moment crucial. En 1783, le continent ne comptait que 300 000 habitants, apparemment connu de longue date par les commer\u00e7ants arabes, il n&rsquo;avait pas attir\u00e9 de nouvelle population, la donne changea avec la colonisation britannique et le peuplement par des bagnards. 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