TsimSecondary kev kawm ntawv thiab cov tsev kawm ntawv

Brazil: natural resources. Minerals thiab kev lag luam Brazil

Brazil - lub loj tshaj plaws kev lub teb chaws nyob rau hauv Latin America, uas yuav siv sij hawm li yuav luag ib nrab lub teb chaws ntawm South America. Nyob rau hauv lub sab hnub tuaj thiab sab qaum teb ntawm lub Atlantic dej hiav txwv. Brazil, natural resources thiab tej yam kev mob uas varied - ib lub teb chaws zoo nyiam rau ua liaj ua teb thiab nyob ntawm cov pejxeem.

nyem

Nyob rau hauv sab qaum teb yog ib feem ntawm lub teb chaws yog Amazonian lowland. Nws maj mam yuav surrounded los ntawm ntxhab cliffs dov tiaj nrag ntawm lub Guiana Highlands. Zoo tag nrho cov seem cheeb tsam ntawm lub teb chaws yog nyob ntawm lub Brazilian toj siab, nce mus rau sab qaum teb-sab hnub tuaj thiab sab qab teb thiab steeply ntawm lub Atlantic nqaum dawb. Mus rau sab hnub poob ntawm lub residual caj thiab lub Atlantic cheeb tsam arrays ncav us txog siv monoklinarno-tsim thiab tsim ntawm lub nras; rau sab qaum teb thiab nyob rau hauv qhov chaw yog yeej los ntawm socle nras thiab plateaus, interspersed nrog plateaus.

kev nyab xeeb

Brazil yog yus muaj los ntawm ib tug kub kev nyab xeeb. Ntuj cov kev pab yog kev lom zem ntau vim climatic tej yam kev mob. Lub hli nruab nrab kub yog hom twg los ntawm 16 mus rau 29 degrees, thiab tsuas yog nyob rau high school arrays nyob rau hauv sab hnub tuaj tau khov. Txawm li cas los, rau ib lub teb chaws yus muaj los ntawm ntau hom ntawm kev nyab xeeb thiab nag lossis daus regimes.

inland dej

Hais txog lub ntuj nta ntawm Brazil, nws yuav tsum tau muab sau tseg tias nws yog heev ntom dej network. Amazon system irrigates tag nrho Amazon cheeb tsam, sab qaum teb Brazil thiab sab qab teb ntawm lub Guiana Highlands. Cov yav qab teb ib feem ntawm lub Brazilian Highlands irrigated systems ntawm tus dej ntws Parana thiab Uruguay, sab hnub poob - tus dej Paraguay, sab hnub tuaj - tus dej San Francisco. Ntawm no, tsuas yog tus Amazon thiab nws cov western thiab sab hnub tuaj tributaries thoob plaws hauv lub xyoo yog tag nrho ntawm cov dej.

Rau cov dej ntws ntawm lub Brazilian Highlands yog yus muaj los ntawm loj hloov mus hloov los nyob rau hauv cov dej ntws thiab dej nyab. Dej leeg toj siab muaj loj reserves ntawm hydropower, txawm li cas los, feem ntau yog navigable tsuas tshaj luv luv mus.

Nroj tsuag thiab xau

Nyob rau hauv ib lub teb chaws yeej los ntawm forests rau lateritic (ferralitnyh) liab xau. Thawj qhov chaw nyob rau hauv lub ntiaj teb no reserves ntawm hardwood yuav siv sij hawm Brazil. Ntuj cov kev pab nyob rau hauv lub sab hnub poob ib feem ntawm lub Amazon los ntawm tuab evergreen noo equatorial forests, nrog nqi ntoo (ntau tshaj 4 txhiab hom), nyob rau hauv uas yog lateritic podzolic xau.

Nyob rau tej toj uas xwm lub Brazilian thiab Guiana highlands, kis raws li ib tug tshwm sim ntawm qhuav huab cua deciduous thiab evergreen forests, podzoleniya txheej txheem nyob rau hauv cov av yog tsis ruaj tsis khov thiab tsis muaj zog. Zoo li cov hom ntawm cov nroj tsuag thiab cov av, noj mus rau hauv tus account altitudinal aav yog cov yam ntxwv ntawm cov Windward, sab hnub tuaj, thiab siab yog hom twg thiab toj ntawm lub Brazilian Highlands. Lub thaj slopes mas yus ntub raws caij nyoog forests. Center toj siab nyob los ntawm cov savanna rau liab lateritic xau, feem ntau melkoderevnye shrubby savannah. Nyob raws dej ntws gallery forests, qhov twg nws hlob zoo carnauba ciab Palm. Northeast toj siab tibneeg hu tauj coob semi-suab puam sib muaj succulent thiab Xerophytic lov tas vau thiab ntoo nyob rau hauv lub liab-xim av thiab reddish-xim av xau. Rau ib uniformly noo sab qab teb yus evergreen thiab mixed deciduous forests ntawm lub Brazilian conifer Araucaria. Nyob rau hauv lub lowlands kis bezderevnye hav savanna rau liab-black struts.

tsiaj ntiaj teb no

Ib tug loj ntau yam ntawm fauna yuav ntaus nqi rau lwm haiv neeg ntawm ecosystems thiab tus tseem ceeb luaj li cas ntawm lub teb chaws nyob los ntawm cov Brazil. Review ntawm lub fauna nyob rau hauv txawv qhov chaw sib txawv, vim hais tias txawm taxonomists tej zaum tsis pom zoo rau cov kev faib ntawm cov tsiaj nyob rau hauv lub teb chaws. Punctually nrhiav tau tshiab hom, nyob rau tib lub sij hawm raws li lwm tus, hmoov tsis, tuag tawm.

Ntawm tag nrho cov teb chaws Brazil yus loj tshaj npaum li cas primate hom (txog 77 mi) thiab dej tsis qab ntsev fishes (ntau tshaj 3 txhiab). Raws li cov xov tooj ntawm amphibians lub teb chaws Qib thib ob nyob rau hauv lub ntiaj teb no nyob rau hauv lub xov tooj ntawm hom noog - thib peb, lub xov tooj ntawm cov tsiaj ntawm cov tsiaj reptiles - lub thib tsib. Ntau cov tsiaj sim, tshwj xeeb tshaj yog nyob rau hauv ecosystems uas tam sim no puas lawm mus rau ib tug twg zoo kawg thiab, xws li cov Atlantic tom hav zoov.

Brazil kev khwv nyiaj txiag

Vim lub high theem ntawm txoj kev loj hlob ntawm muaj thiab tsuas kev lag luam, ua liaj ua teb, cov kev pab sector thiab ib tug loj tus naj npawb ntawm cov ua hauj lwm pejxeem nyob rau hauv cov nqe lus ntawm GDP, Brazil yog npaum li cas ua ntej ntawm tag nrho cov lwm yam Latin American lub teb chaws. Tam sim no, nws ntxiv expands muaj nyob rau hauv lub ntiaj teb no kev lag luam. Lub ntsiab export khoom - kas fes, aircraft, tsheb, hlau ore, taum pauv, steel, txiv kab ntxwv kua txiv, khau, textiles, qab zib, hluav taws xob cov khoom.

Brazil kev khwv nyiaj txiag yog heev ntau haiv neeg thiab muaj tseem ceeb variations ntawm cov cheeb tsam. Nyob rau hauv possibilities ntawm ua lag luam ntawm lub nroog yog sib txawv heev los ntawm txhua lwm yam. Txawm hais tias lub xeev lub kev khwv nyiaj txiag yog heev tsim, tseem ceeb txoj kev loj hlob hurdles yog tseem ntau cov teeb meem ntawm cov neeg txom nyem, illiteracy thiab kev noj nyiaj txiag.

Brazil pab kev pab

Lub teb chaws tsim tawm ntau tshaj plaub caug hom minerals. Qhov tseem ceeb tshaj yog cov manganese thiab hlau ore. Yog li ntawd, lub xyoo tsim ntau tshaj ob puas lab tons ntawm hlau ore, ntawm uas kwv yees li 80 feem pua yog exported. Bauxite lub xeev yog ib tug ntawm cov thawj qhov chaw nyob rau hauv lub ntiaj teb no. Minerals Brazil hais raws li tooj liab, zinc, npib tsib xee deposits uas yog siv rau lub domestic kev ua lag luam. Lub teb chaws yog xaiv yaam khoom ntawm raw cov ntaub ntawv: niobium, tungsten, mica, zirconium. Txhua xyoo kev thov rau roj yog 75 lab tons, muab ib nrab xwb, yog li Brazil yog yuam kom import nws. Lub Amazon nyob rau hauv lub xyoo 1970. pom loj reserves ntawm kub, Tam sim no nws lawm yog hais txog 80 tonnes ib xyoo. thee deposits no tseem nyob, tab sis nws yog ib lub raw khoom ntawm cov neeg pluag zoo, lub xyoo ntawm nws lawm yog hais txog 5 lab tons.

kev lag luam

Qhov tseem tsim Brazilian kev lag luam yog feeb meej nyob rau hauv sab qab teb-sab hnub tuaj thiab sab qab teb ntawm lub teb chaws. Lub poorest cheeb tsam yog xav tau rau sab qaum teb-sab hnub tuaj, tab sis nws yog tam sim no thaum pib los mus nyiam peev. Latin American lub teb chaws Brazil yog lub feem ntau tsim muaj sector, constituting ib-feem-peb ntawm GDP. Lub xeev ua ib tug ntau yam ntawm cov khoom, los ntawm steel, lub tsheb thiab roj rau dav hlau, computers, thiab cov neeg siv khoom.

Ntau tshaj ib tug peb lub hlis twg ntawm GDP npog raug kev lag luam nyob rau hauv Brazil. Lub ntsiab industries - roj refining thiab tshuaj ntau lawm. Tom qab lub tebchaws United States of America yog qhov loj tshaj plaws tsim kom muaj cov Bioethanol, uas muab hais txog 30 feem pua ntawm cov kev thov rau roj. Rau refueling tsheb nyob rau hauv Brazil, ethanol yog siv raws li nyob rau hauv cov ntshiab daim ntawv los yog tov nrog roj. Cov raw khoom rau nws cov ua raws li kab tsib. Brazilian tuam txhab uas muag ib xyoos twg tsim ethanol nyob rau hauv tus nqi ntawm cov 16-20 billion liters.

Txhua txhua xyoo, ntau tshaj li 1.5 million tsheb nyob rau hauv lub teb chaws. Lub ntsiab producers - lub tuam txhab "Mercedes-Benz", "Scania", "Fiat".

Lub ntsiab ceg ntawm lub teeb kev lag luam - textiles. Brazil yog 6-7 nyob rau hauv qhuav ntawm textile khoom nyob rau hauv lub ntiaj teb no. Hais txog 80 feem pua ntawm paj rwb yog mas los ntawm txawv teb chaws, vim tus uas tsis muaj zoo tshaj ntawm Brazilian raw cov ntaub ntawv.

Tsis tas li ntawd, txoj kev loj hlob ntawm lub khau kev lag luam - muaj ntau tshaj 4 txhiab nroj tsuag rau zus tau tej cov khau.

Nyob rau hauv xaus

Cov Latin American lub teb chaws, lub siab tshaj plaws kev khwv nyiaj tej zaum, tsis muaj tsis ntseeg, muaj Brazil. Lub natural resources ntawm lub teb chaws no muaj muaj zog heev muaj lub caij rau cov kev loj hlob. Txawm li cas los, raws li tau lub teb chaws yog yus muaj los ntawm loj ntau yam zoo nyob rau hauv cov nyiaj tau los thiab cov loj sib txawv nyob rau hauv cov theem ntawm txoj kev loj hlob ntawm lub thaj thiab sab hnub tuaj cheeb tsam.

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