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Qav Africa nyob rau hauv tag nrho nws cov ntau haiv neeg

Teb chaws Africa - ib tug loj heev av loj, lub ntsiab inhabitants yog cov neeg ntawm lub Negroid haiv neeg, uas yog vim li cas nws yog hu ua "dub". Saharan Africa (txog 20 lab. Km 2) npog ib lossis loj cheeb tsam ntawm lub teb chaws, thiab faib nws los ntawm North Africa mus rau hauv ob teej qhov chaw ntawm lub cheeb tsam. Txawm tias qhov tseem ceeb thiab qhov dav ntawm lub teb chaws ntawm sub-Saharan Africa, muaj cov tsawg kawg yog tsim lub teb chaws ntawm lub teb chaws, lub ntsiab txoj hauj lwm yog ua liaj ua teb. Ib txhia lub teb chaws no yog li ntawd cov neeg pluag hais tias lawv muaj tsis muaj railways, thiab mus ncig teb chaws rau lawv yog nqa tawm tsuas nrog kev pab los ntawm cov neeg nrog caij, freight thauj los ntawm txoj kev, cov neeg mus nyob rau ko taw, nqa loads nyob rau hauv lawv lub taub hau, tej zaum kov yeej zoo mus.

Saharan Africa - yog ib tug collective duab. Nws haum heev paradoxical lub tswv yim ntawm lub xeev. Qhov no noo equatorial forests, thiab teb chaws sov deserts ntawm teb chaws Africa, thiab cov loj loj ntau dej ntws, thiab cov tsiaj qus cov pab pawg neeg. Rau lub caij nyoog kawg no, lub ntsiab txoj hauj lwm yog tseem - nuv ntses thiab ua ke. Tag nrho cov no Africa teb chaws sov uas nws cov yam ntxwv yuav tsis muaj teb tsis nws cov cim muaj thiab fauna.

Qav forests npog ib tug ntau yam pauv loj cheeb tsam, uas, li cas los xij, decreases nrog txhua xyoos tas ib xyoos vim deforestation ntawm lub precious hlaws ntawm qhov. Cov ua rau deforestation prosaic: nyob hauv zos nyob rau hauv kev xav tau ntawm tshiab chaw nyob rau hauv arable lub teb chaws kuj pom nyob rau hauv lub forests ntawm cov nqi ntoo, ntoo uas coj ib tug zoo nyiaj nyob rau hauv kev ua lag luam nyob rau hauv tsim lub teb chaws.

Impenetrable forests, entwined nrog cov hmab, tuab nrog lush nroj tsuag thiab ib tug tshwj xeeb heev thiab fauna, shrinking nyob rau hauv lub siab ntawm Homo sapiens thiab tig mus rau hauv ib tug tauj suab puam. Cov neeg nyob hauv zos koom feem ntau nyob rau hauv arable ua liaj ua teb thiab cov tsiaj husbandry, siab technology, thiab tsis xav kom zoo yog vim li cas - nyob rau hauv lub caj npab ntawm ntau lub teb chaws tseem tam sim no hoes duab raws li lub ntsiab cov cuab yeej. Koom nyob rau hauv ua liaj ua teb tag nrho cov inhabitants ntawm loj thiab me me zos, nyob rau hauv tas li ntawd rau cov txiv neej.

Tag nrho cov poj niam cov pejxeem, cov me nyuam thiab cov neeg laus, loj hlob xws cov qoob loo, uas pab raws li lub ntsiab zaub mov (sorghum, maize, mov) thiab tubers (qos ntoo, qos), uas, tom qab ua hmoov thiab cereals, ci ncuav. Nyob rau hauv ntau tsim chaw cultivated rau export yog twb kim kim qoob loo: kas fes, cocoa, uas yog muag raws li ib tug tag nrho tsim lub teb chaws taum thiab squeezed roj, roj xibtes, txiv laum huab xeeb thiab tej txuj lom, thiab sisal. Los ntawm lub xeem weave pua, ua muaj zog ropes, ropes thiab txawm khaub ncaws.

Thiab yog hais tias nyob rau hauv lub noo equatorial forests nyuaj ua pa vim hais tias ntawm lub qhov evaporation ntawm loj-leaved nroj tsuag, thiab qhov loj ntawm cov dej thiab cua humidity, teb chaws sov African suab puam yuav luag devoid ntawm cov dej. Lub ntsiab cheeb tsam, uas nws thiaj li dhau mus ua ib tug suab puam, yog lub Sahel tsam, ncab ib ce los ntawm ib ncig ntawm 10 lub teb chaws. Rau ob peb lub xyoo, muaj tsis poob ib zaug xwb los nag, av yaig thiab deforestation, raws li zoo raws li lub ntuj txoj kev tuag ntawm cov nroj tsuag cover tau coj mus rau lub fact tias cov cheeb tsam no tau los ua ib tug me ntsis scorched cua thiab them nrog tawg barren wasteland. Lub inhabitants ntawm tej chaw no tau poob lawv cov kev txhais tau tias ntawm subsistence, thiab yog yuam kom tsiv mus nyob rau lwm qhov chaw, tawm hauv lub teb chaws raws li ib tug cheeb tsam ntawm ecological kev puas tsuaj.

Saharan Africa - ib tug tshwj xeeb daim, uas muaj xws li ib tug loj heev ib ncig, ib tug tshwj xeeb thiab tseem cia nrog. Nws txawv diametrically los ntawm North Africa. Qav Africa yog tseem muaj ib tug lub teb chaws tag nrho ntawm secrets thiab mysteries, yog ib qho chaw uas ib zaug pom, nws yog tsis yooj yim sua tsis hlub.

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