Allogenic succession
Na gburugburu ebe obibi, usoro allogenic bụ usoro nke ihe ndị na-emebi ihe nke gburugburu ebe obibi na-akpali. N'ụzọ dị iche, usoro nke autogenic na-akpali ihe ndị dị ndụ nke gburugburu ebe obibi. Enwere ike ibido usoro allogenic n'ọtụtụ ụzọ nke nwere ike ịgụnye:

 Mgbawa ugwu
 Mmanụ igwe ma ọ bụ kpakpando
 Idei Mmiri
 Oké ọkọchị
 Ala ọma jijiji
 Mgbanwe ihu igwe na-abụghị nke mmadụ

Usoro Allogenic nwere ike ime n'ogo oge nke dabara na ọgba aghara ahụ.Dịka ọmụmaatụ, usoro allogenic nke bụ nsonaazụ mgbanwe ihu igwe na-abụghị nke mmadụ nwere ike ime karịa ọtụtụ puku afọ.

Ihe Nlereanya 
Ihe ka ọtụtụ n'ime mmepe Salt Marsh na-abịa site na usoro ihe nketa.  Mmiri na-anọgide na-ahụ na mpaghara intertidal na-eme ka ala nke nnu na-agbanwe ka oge na-aga.  Nke a na-ebute sedimentation na nutrition build nke na-eji nwayọọ nwayọọ na-ebuli elu ala.  Ihe malitere dị ka ala ájá nwere ọkwa pH dị elu, n'ikpeazụ na-aghọ ala ụrọ nwere ọkwa pH na-anọpụ iche.  N'ime oge a, ala-salinity ga-agbanwekwa site na ịmalite ala na-emecha na-ebili n'ogo dị elu site na ikpughe mmiri mmiri na-aga n'ihu.

Glacier forelands bụ ihe atụ ọzọ nke gburugburu ebe obibi nke sitere na autogenic ma bụrụkwa akụkụ nke allogenic succession.  A na-eme atụmatụ na mkpa nke dị elu karịa na ọkwa ndị gara aga, gbasara ọdịdị nkume, akụkụ ndagwurugwu na ihe ndị dị n'ala.

Hụkwa Ihe Ọzọ 

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