Global Ecological Zones for FAO Forest Reporting: 2010 Update<\/em><\/a> (des sp\u00e9cialistes du Canada, du Mexique et des \u00c9tats-Unis ont conjointement d\u00e9fini les \u00e9quivalences entre les zones \u00e9cologiques et les \u00e9cor\u00e9gions terrestres).<\/p>\nLes zones \u00e9cologiques de la FAO sont r\u00e9parties selon un ensemble de classifications du climat (temp\u00e9rature et pr\u00e9cipitations) et de la v\u00e9g\u00e9tation potentielle. Il s\u2019agit de vastes zones o\u00f9 la v\u00e9g\u00e9tation est relativement homog\u00e8ne et dont les caract\u00e9ristiques physiques sont similaires. Certaines zones \u00e9cologiques (p. ex. la steppe temp\u00e9r\u00e9e) abritent peu ou pas du tout de for\u00eats; une zone est consid\u00e9r\u00e9e comme bois\u00e9e lorsque son couvert vertical au sol repr\u00e9sente au moins 10\u00a0% de la superficie d\u2019une zone. Les vergers et les autres plantations d\u2019arbres fruitiers qui contribuent \u00e0 la production agricole ne sont pas class\u00e9s en tant que for\u00eats.<\/p>\n
La mise \u00e0 jour de cette carte illustre les r\u00e9cents changements qui se sont produits dans la g\u00e9om\u00e9trie des \u00e9cor\u00e9gions terrestres lors de leurs publications en 2021.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"La carte des for\u00eats d\u2019Am\u00e9rique du Nord illustre la r\u00e9partition des 18 zones \u00e9cologiques de for\u00eats primaires au Canada, au Mexique et aux \u00c9tats-Unis, et les r\u00e9gions foresti\u00e8res comptent diverses zones de for\u00eats naturelles qui sont cependant relativement homog\u00e8nes. La distinction entre ces zones s\u2019effectue en fonction des pr\u00e9cipitations, de la temp\u00e9rature et du relief […]<\/p>\n","protected":false},"featured_media":62118,"template":"","class_list":["post-47606","maps","type-maps","status-publish","has-post-thumbnail","hentry","map_type-ecosystemes-terrestres","map_keyword-ecoregions-fr"],"acf":[],"yoast_head":"\n
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