Ikiyaga cya Bosumtwi
Ikiyaga cya Bosumtwi n icyo kiyaga cyonyine kiba muri Gana . Giherereye mu mwobo wa kera muri kilometero  Ni  30 mu majyepfo y'iburasirazuba bwa Kumasi, umurwa  wa Ashanti, kandi ni ahantu  hakunze gukorerwa  imyidagaduro. Hari imidugudu igera kuri 30 hafi y'ikiyaga  cya Bosumtwi,iyo midugudu ituwe n’abaturage bagera ku  bihumbi 70.  umudugudu wamamaye cyane aho ba mukerarugendo bakunze gutura ni Abono. 

Ashanti ifata Bosumtwi nk' ikiyaga cyera. Dukurikije imyizerere gakondo, roho z'abapfuye ziza aho ku kiyaga gusezera ku mana Asase Ya . Kubera iyo mpamvu, bifatwa nk'ibyemewe kuroba mu kiyaga gusa hakoreshejwe mbaho . Mu bwoko bw'amafi yo mu kiyaga harimo Hemichromis frempongi, hamwe na Tilapia busumana na T. discolor .

Amateka y'ikirere 
Mbere y’ingaruka za asteroide, ako gace kari ishyamba rikunda kugwamo imvura cyane ryuzuye inyamanswa. Nyuma y'ingaruka, icyobo cyavuyemo cyuzuye amazi agize ikiyaga cya Bosumtwi. 

Ibihe by'imvura nyinshi byuzuje cya cyobo  amazi, bituma urwego rwikiyaga ruzamuka hejuru y'ibice byo hasi . Ibihe nkibi bigaragazwa n’ibisigazwa by’amafi biboneka ku misozi. Amazi ni yo yatemba ava mu kibaya anyuze mu muyoboro wuzuye., ariko hari igihe usanga amazi ari make ku buryo ishyamba  ryinjira mu kibaya bigatuma ikiyaga kiba gito gusa.

Reba kandi 

 Ikiyaga cya Iro - ikindi kiyaga cyo muri Afurika gikekwa kuba ingaruka y'ibiza

Reba 

Ibiyaga byo muri Afurika
Ibiyaga byo muri Gana