CO2 inoburitsa muSub-Saharan Africa inoenderana nekushandisa kwepasi

agriculture

Kufambira mberi kwetekinoroji yemunhu kuri kugadzikana kana zvasvika pakutarisira nekuchinja ivhu rinoshandisa. Kubva pamaindasitiri kusvika mukushandiswa kwekurima, kuburikidza nemasango nemataundi, kune akawanda mashandisirwo epasi.

Nekudaro, iwo makuru CO2 emission mwero mune edu ehupfumi zviitiko Vari kukonzera shanduko mukushandiswa kwepasi munzvimbo dzekurima dzeSub-Saharan Africa. Chii chine chisi chine chekuita nekushandisa kwepasi?

Kushandiswa kwepasi muSub-Saharan Africa

Pachivanhu "kurova nekupisa" kunoitwa pane yekurima nzvimbo munzvimbo ino. Chidzidzo chepasi rose chakaitwa pamwe nekutora chikamu kwevaongorori kubva iyo Polytechnic University yeMadrid (UPM) mavanoongorora hukama huripo pakati peCO2 chisi uye shanduko mukushandisa kwepasi.

Ivo vatora data pamusoro pegreenhouse gasi inoburitsa kumhepo inoitika munzvimbo dzekurima uye zvakasikwa zvisikwa muSub-Saharan Africa.

Tsvagiridzo yakaongorora zvakadzama Zvidzidzo makumi manomwe nezvishanu zvakaitiswa munyika makumi maviri nemaviri eAfrica kuitira kuti uone zvinhu zvinounza aya mesi uye nemaitiro ehutongi anozvisarudzira, pamwe nenzira dzinogona kudzikiswa.

kushandisa nyika

Kunyangwe iyo Chibvumirano cheParis, zvishoma kwazvo zvinozivikanwa nezve greenhouse gasi inoburitsa kumhepo yekumaodzanyemba kweSahara Africa. Izvo zvinhu zvinokonzeresa izvi kuburitsa hazvizivikanwe.

Chinyanyo kuzivikanwa nezve nzira yekudzora izvi zvinoburitsa mudenga, kunyangwe zvichikosha kune ekurima masystem anochengetedza kugadzirwa munzvimbo idzi. 60% yebasa rese rinoenda kune zvekurima, uye chii chinoita kuti chiwedzere kukosha uye chinhu chekudzidza, ndechekuti nzvimbo idzi dzinonyanya kutambura nekukanganisa kweshanduko yemamiriro ekunze.

Gasi rinobuda

Kuti uongorore hutsi hunokachidza gasi hunoburitsirwa mudenga, zvakakosha zvakasarudzwa: carbon dioxide, nitrous oxide uye methane. CO2 emissions dzakabatana shanduko dzakasiyana siyana mukushandiswa kwepasi idzo nzvimbo idzi dzakatamburas. Izvi zvinowanzoitika munzvimbo dzekurima panoshandiswa nzira dzakadai se "slash and burn". Aya mashanga anopisa echinyakare anoshandiswa nekuda kwekushayikwa kwezivo kana dzimwe nzira dzekugadzira dzinogadzira mamwe emhepo CO2. Uyezve, aya matekiniki achiri kushandiswa nekuda kwekushomeka kwesimba rekugovera uye kugovera system.

Zvekurima africa

Kumwe kuyerera kwegesi inoburitsa mudenga kunobva kuiswa kwezvisaririra zvezvirimwa uye kushandiswa kwemanyowa nemafetiraiza ekugadzira. Methane emesi inogadzirwa, kwechikamu chikuru, muzvirimwa zvine mafashama senge mupunga uye nemamota emujuru anowanikwa munzvimbo yeAfrica.

Kana iri nitrous oxide, inoburitswa mudenga mukuita yakabatana nekusangana.

Mhosva dzakaongororwa

Zvirimwa zvemuchindwe zvemu Africa muBenin zvakaongororwa uye zvakaonekwa kuti mweya weCO2 unobva 30% yenzvimbo yemidzi. Asi zvakacherechedzwa kuti tsika yekuwedzera gasi inobuda inoitika kana ivhu raoma kana nekanyorova. Kana izvi zvikaitika, CO2 chisi chinosvika ku80%.

Africa magasi

Ita agroecological maitiro

Kurerutsa aya matambudziko emweya, kune nzvimbo dze Africa umo idzo dzinoitwa maitiro agroecological. Iwo ave anoshanda kwazvo mukushandisa zviwanikwa zviripo (kunyanya mupfudze) uye zvaita kuti mhuri dzigone kurarama panzvimbo dzisina kunyanya kukura uye kushandisa zvakare mupfudze, zvisaririra zvezvirimwa uye nemazvo uye nemhepo shoma.

Nekushandisa kweizvi zviwanikwa, kutenderera kwechinhu uye simba zvakavharwa apo mhuka ichidya, ichiburitsa imwe manyowa uye ivo vanodzoreredzwa mugadziriro yekugadzira chikafu iyo ine kurasikirwa kushoma.


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  1. Inotarisira iyo data: Miguel Ángel Gatón
  2. Chinangwa cheiyo data: Kudzora SPAM, manejimendi manejimendi.
  3. Legitimation: Kubvuma kwako
  4. Kutaurirana kwedata
  5. Dhata yekuchengetedza: Dhatabhesi inobatwa neOccentus Networks (EU)
  6. Kodzero: Panguva ipi neipi iwe unogona kudzora, kupora uye kudzima ruzivo rwako