Enwere ọtụtụ oke ohia na mbara ala, ebe ụdị osisi bụ osisi. Dabere na ihu igwe na ọnọdụ okike, oke ọhịa dị iche iche. Ọ bụrụ na osisi coniferous na-achị, ọ bụ ọhịa coniferous. A na-ahụkarị usoro okike dị na mpaghara ugwu nke ugwu, na n'akụkụ ndịda ọwụwa anyanwụ, mgbe ụfọdụ a na-ahụ ya na mpaghara ebe okpomọkụ. A na-akpọkwa ọhịa Taiga boreal. Ha dị na North America na Eurasia. Osisi na-eto ebe a na ihu igwe oyi na ala podzolic.
N'etiti mpaghara okike coniferous, Meshchera Lowland kwesịrị ịdị iche, na ókèala nke Great Belt of Coniferous Forest dị. Ọ dị na Russia - na mpaghara Ryazan, Moscow na Vladimir. Na mbu, oke ohia ndi gbara ohia gbara gburugburu ebe buru ibu site na Polesie rue Ural, ma taata nani obere mpaghara mpaghara okike a lanariri. Pines na European spruces na-eto ebe a.
Mmalite nke ọhịa coniferous
Oke ohia nke udiri a sitere na oge Cenozoic na ugwu Asia. Ha rụpụtakwara obere ebe ndị dị na Siberia. Na Late Pliocene, jụrụ oyi mere ka mbelata ọnọdụ okpomọkụ, na conifers bidoro na-eto na mbara ọzara na mpaghara kọntinent, na-agbasa akụkụ dị mkpa nke oke ha. Oké ọhịa gbasaa n'oge gboo. N'oge Holocene, ókè nke oke osisi coniferous miri emi n'ebe ugwu nke Eurasia.
Ifuru nke eriri coniferous
Umu ohia nke coniferous belt bu ndi a:
- osisi pine;
- nnukwu anụ;
- fir;
- rie;
- osisi cedar.
E nwere ụdị osisi dị iche iche n’ọhịa. Na Canada na USA, ị nwere ike ịchọta fir na balsamic spruce, Sitka na American spruce, odo pine. Junipers, hemlock, cypress, redwood na thuja na-eto ebe a.
N'ime oke ohia Europe, ị nwere ike ịchọta fir fir, European larch, junipa na yew, pine nkịtị na nke ojii. N'ebe ụfọdụ enwere mmasị nke osisi sara mbara. N'ime oke ohia nke Siberia, enwere otutu larch na spruce, fir na osisi cedar, tinyere osisi junipa. Na Far East, Sayan spruce na larches, osisi fir Kuril na-eto. Osisi nile coniferous nwere osisi di iche-iche. N'ebe ụfọdụ, ọhịa hazel, euonymus na raspberries na-eto n'etiti conifers. Enwere lichens, mosses, ahịhịa herbaceous ebe a.
N'ihi nke a, Oke Belt nke Ọhịa Coniferous bụ mpaghara okike pụrụ iche nke etolitere tupu oge glacial ma gbasaa n'oge ndị ọzọ. Mgbanwe ihu igwe emetụtala ebe a na-ekesa ngwa ahịa na oke oke nke oke ọhịa ụwa.
