Australia and New Zealand.ppt
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1、Australia and New Zealand,Background basic kinship between Australia and New Zealand similarities of population, cultural heritage, and type of economy products of British colonization speak English, live under parliamentary forms of government, schools patterns after British model both have aborigi
2、nal minorities surviving from prewhite times close political and economic relations with US, Japan, and Europe,both prosperous nations with per capital incomes comparable to those of the small states of Europe Commonwealth ties with UKAustralias Physical and Climatic Characteristics Australia is cou
3、ntry and island continent sparsely populated very arid climate with high temperatures and rapid evaporation,Only 6% of Australia if cultivated today 14% classified as forests or woodlands 50% suitable for grazing 20% total wasteland in the interior despite small proportion of arable land, ratio of c
4、rop-producing land to total population is favorable Australia is the size of the continental US but only has 19 million people, fewer than live in California distribution of population follows arable land most Australians live in humid eastern highlands and coastal plains and humid grasslands,Natura
5、l Regions of Australia humid eastern highlands only major highlands on east coast from Cape York to Tasmania elevation under 3,000 feet only part of country with no drought Pacific winds bring much rain but rugged relief prevents much agriculture south of Sydney has marine west coast climate north o
6、f Sydney has humid subtropical climate,tropical savannas of north Australia north Australia receives heavy rainfall in summer with dry conditions in winter monsoon winds blow onshore in summer and offshore in winter produces savanna vegetation with coarse grasses, scattered trees, and patches of woo
7、dlands arid conditions, poor soils, and lack of rivers make agriculture difficult,Mediterranean lands of southwest and south southwest corner of Australia and land around the Spencer Gulf have a Mediterranean climate winter rain and summer drought Mediterranean crops do well here lack of highlands t
8、o catch moisture limited irrigation,dry interior huge interior of Australia is desert surrounded by a fringe of semi arid grassland (steppe) covers half of the continent general elevation between 1,000 and 1,500 feet few mountain ranges too low to influence climate lowest part of interior around Lak
9、e Eyre Basin is driest part of the country Murry-Darling Basin only area of river systems with some irrigation possible,Australia: Physical Map,Australian Economy Countrys leading exports are mining, grazing, and agriculture large and dependable markets for Australian primary products in Japan, US,
10、and Europe cheap and efficient transportation by sea sheep and cattle raising important penal colony near Sydney in 1788 difficult to grow crops but sheep did well by 19th C Australia was largest supplier or wool,sheep industry concentrated on western slop of eastern highlands, border of New South W
11、ales, and western border of Victoria exports of wool have declined due to synthetics cattle ranching in north around Queensland exports of meat to Japan, US, and Europe construction of rural roads to coast aided exports wheat farming wheat is major export of Australia originally developed to help fe
12、ed population around Sydney State of South Australia now most important wheat area,Adelaide is major port for wheat exports mechanization, railroads, scientific plant breeding, and new markets helped wheat exports wheat and sheep often occupy same areas southwest corner near Perth second area of gro
13、wth small labor force, large acreage, good yields per worker make this an efficient industry for Australia dairy farming largest industry in terms of employment humid coastal plains of Queensland, New South Wales, and Victoria,sugar production sugar industry begun on coastal plain of Queensland in 1
14、9th C laborers imported from Melanesia to work fields formation of Commonwealth of Australia in 1901 led to repatriation of imported black labor in the interests of preserving a “white Australia.” high protective tariffs on sugar preserved the industry large estates divided up into family farms prod
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