Abahanga bavumbuye impamvu inzovu 350 zapfiriye muri Botswana muri 2020.
Muri 2020, inzovu 350 zapfiriye muri parike y’igihugu ya Botswana. Ibi byahangayikishije abahanga ku isi. Nyuma yimyaka myinshi yubushakashatsi, amaherezo basanze icyateye aya makuba. Bizera ko inzovu zarozwe na algae zifite ubumara bwinjira mu mwobo w’amazi aho inyamaswa zanywaga. Iyi algae, yitwa « algae yubururu-icyatsi kibisi, » ikora mumazi adahagaze, kandi irashobora guteza amazi akaga kubinyamaswa bayanywa.
Abashakashatsi bifashishije satelite kugira ngo bakurikirane uko inzovu zigenda kandi barebe aho bagiye kunywa. Basanze inzovu zishobora kuba zegereye ibyobo byuhira byandujwe na algae. Muri 2019, amapfa yagabanije amazi, naho muri 2020, imvura nyinshi yatumye imikurire yihuta. Ibi ntabwo byashyize mu kaga inzovu gusa, ahubwo n’izindi nyamaswa.
Kuki algae ifite ubumara ari ikibazo?
Imisozi y’ubumara ni iterabwoba ryiyongera ku isi yose kubera ko imihindagurikire y’ikirere ituma ikirere gikabije. Ibi birashobora gushiraho uburyo bwiza kugirango izo algae zibe. Zibuza urumuri rw’izuba kandi zituma amazi agira uburozi, bikaba byangiza inyamaswa zose. Muri Botswana, aho kimwe cya gatatu cy’inzovu zo muri Afurika ziba, iki kibazo gihangayikishije abahanga.
Abashakashatsi bavuga ko ubushyuhe bw’isi bushobora gutuma uturere tw’amazi twuma kandi tugashyuha. Ibi birashobora kugira ingaruka zikomeye kubinyabuzima, kuko amazi yagenda aba make kandi adafite ireme.
Niki wakora kugirango urwanye akaga?
Abahanga barasaba ko hakurikiranirwa hafi ubwiza bw’amazi. Bitewe na satelite, barashobora kumenya vuba aho algae yangiza. Ibi byadufasha gukora byihuse kurinda inyamaswa. Mu gusesengura amakuru y’icyogajuru, bizeye kumva neza ingaruka ziyi algae no kubishakira ibisubizo kugirango birinde ibiza bishya.
