Mubvunzo Wepasi Pose: Chinetso Chokudya

Dambudziko rezvokudya munyika rakasimuka pamwe chete nekuonekwa kwevanhu mukati mavo uye rakashandura chiyero uye mararamiro ayo munguva yekusimudzirwa kwevanhu, kuva nyika yose muhafu yepiri yezana remakore rechi20. Dambudziko rezvokudya mupfungwa yakawandisa yezwi rinowanzotarisirwa pakugadzirwa, kugoverana, kugoverwa uye kushandiswa kwezvokudya munyika dzakasiyana uye munyika yose. Mune pfungwa yakamanikana, inofanira kunzwisiswa sekupa zvokudya zvevanhu, mapoka ayo uye mapoka akasiyana evanhu.

Dambudziko rezvokudya   Muzuva redu   Imwe yezvinetso zvinotambudza zvepasi pose zvakanyanya zvevanhu. Kuparara kwekushaya zvokudya zvinovaka muviri uye nzara munharaunda yedu hazviparadzanisi kubva pakugadzirisa nyaya yakadaro inokurumidzira, uye yezvepasi rose, sekupedza urombo. Maererano nekufungidzirwa kunoonekwa, vanhu vanopfuura 850 mamiriyoni pasi pano vari kurara nenzara (pasi pe1000 kcal / zuva), izvo zvinokonzera kuora muviri kwemuviri. Kushaya zvokudya zvinovaka muviri kusingaperi kunokanganisa vanhu vanosvika mabhiriyoni 1.5. Vana vanopfuura mamiriyoni mashanu vanofa gore negore kubva pamigumisiro yenzara. Ukuru hwepasi pose kunopa dambudziko iro kuti mazano aro haagoni kuitwa kuburikidza nekuedza kwenyika imwe neimwe.

Kuwanda kwekugadzirwa kwehurimhi uye huwandu hwekuvandudzwa kwayo munyika dzakasiyana-siyana kunotsanangurwa, kutanga, kuburikidza nekuwanika kwenyika yakakodzera yekurima mombe uye kukura kwezvirimwa zvakasiyana-siyana uye kubudirira kweshandisiro yavo, zvisikwa uye mamiriro ekunze uye zvigadzirwa nehutano. Dambudziko guru rezvokudya Inotarisana nenyika dzakawanda dzevarombo dzisingakwanisi kugovera chero mari yakakosha yekudyiwa kwezvokudya. Dambudziko re nzara rinowedzera nekukura kwehuwandu hwevanhu. Nhamba yevagari vemunyika idzi ndeye ¾ yevanhu venyika uye panguva imwe chete iyo inodya chetatu chekugadzirwa kwenyika yose. Chinhu chinosuruvarisa pamusoro peizvi zvose ndezvokuti kupesana kwekudya kwekushandisa kwemunhu wese kunoramba kuchikura.

Migumisiro yehuwandu hwekuwedzera kwevanhu inowedzera kuve mumaguta uye kuwedzera kwekuwedzerwa kwemagetsi ekugadzirwa kwezvinhu, izvo zvinoderedza nyika yakarohwa. Iyi ndiyo nyika inobhurwa inorambwa nokuda kwekugadzirwa kwemigwagwa, maguta, zvivako zvekushanda. Mukuwedzera, nyika yezvirimwa inova isina kukodzera pamusana pokusvibiswa kwavo nemishonga inouraya mishonga, radionuclides, mafuta emafuta, masimbi ane simba, uye kana yakashandiswa zvisina kufanira, deiccation, salinization, waterlogging kana kudengenyeka kunoitwa nesimba nemhepo uye mvura inogona kuitika.

Global Food Problem Hakusi kungoshaya kwekudya chete. Inobatanawo zvikuru nezvematongerwe enyika, zvekugadzirwa kwezvematongerwo enyika uye mamwe maitiro evanhu, basa iro rine zvigumbuso zvaro. Chinhu chinokosha chinokanganisa nhamba yevanhu vane nzara panyika ndeyokusakwanisa kugadzirisa dambudziko mukati mehutano hwehurumende yega. Sarudzo yaro iri muhutano hwekubatana kwenyika dzine nzara uye nyika dzakasvika pakuwanda mukugadzirwa kwezvokudya, izvo zvinotoda "kurwisana" nokushandisa zvakanyanya uye zvirwere zvinoguma.

Dambudziko rezvokudya, iro rinowanikwa munhamba inokosha yenyika dzichiri kusimukira, inodzivisa kwete kufambira mberi chete, iyo inokonzerawo kusagadzikana kwezvematongerwo enyika uye zvemagariro munyika idzi. Kugadziriswa nenzara kunoparadzaniswa kubva pakugadzirisa dambudziko rehurombo, sezvo kuwedzera kukuru muhupenyu hwehupenyu kuchaita kuti vanhu vatenge zvokudya vasingakuvadzi zvimwe zvikamu zvehupenyu hwavo: dzidzo, hutano, kubudirira kwetsika,

Dambudziko rezvokudya ndedambudziko rakagadziriswa. Sayenzi yemazuva ano ine mikana yakawanda yekuwedzera kwekugadzirwa kwezvokudya nekuwedzera kubereka kwenyika, kushandisa kubereka uye kugadzirwa kwemafuro (mumhuka yekurima uye zvekurima), vachishandisa zvigadzirwa zvezvisikwa zvegungwa nemakungwa, nezvimwewo.