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{"id":25520,"date":"2018-04-06T15:51:40","date_gmt":"2018-04-06T08:51:40","guid":{"rendered":"https:\/\/lop12.edu.vn\/?p=25520"},"modified":"2018-04-06T15:51:40","modified_gmt":"2018-04-06T08:51:40","slug":"bai-16-dac-diem-dan-so-va-phan-bo-dan-cu-o-nuoc-ta-2","status":"publish","type":"post","link":"https:\/\/lop12.edu.vn\/bai-16-dac-diem-dan-so-va-phan-bo-dan-cu-o-nuoc-ta-2\/","title":{"rendered":"B\u00e0i 16: \u0110\u1eb7c \u0111i\u1ec3m d\u00e2n s\u1ed1 v\u00e0 ph\u00e2n b\u1ed1 d\u00e2n c\u01b0 \u1edf n\u01b0\u1edbc ta"},"content":{"rendered":"

B\u00e0i 1 trang 26 T\u1eadp b\u1ea3n \u0111\u1ed3 \u0110\u1ecba L\u00ed 12:<\/b>\u00a0Cho b\u1ea3ng s\u1ed1 li\u1ec7u d\u01b0\u1edbi \u0111\u00e2y:<\/span><\/p>\n

T\u00ecnh h\u00ecnh gia t\u0103ng d\u00e2n s\u1ed1 giai \u0111o\u1ea1n 1960 \u2013 2009 (tri\u1ec7u ng\u01b0\u1eddi)<\/p>\n\n\n\n\n
N\u0103m<\/td>\n1960<\/td>\n1965<\/td>\n1976<\/td>\n1979<\/td>\n1989<\/td>\n1999<\/td>\n2002<\/td>\n2009<\/td>\n<\/tr>\n
S\u1ed1 d\u00e2n<\/td>\n30,17<\/td>\n39,29<\/td>\n41,06<\/td>\n52,46<\/td>\n64,41<\/td>\n76,32<\/td>\n79,73<\/td>\n86,02<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

V\u1ebd bi\u1ec3u \u0111\u1ed3 c\u1ed9t th\u1ec3 hi\u1ec7n s\u1ef1 gia t\u0103ng d\u00e2n s\u1ed1 qua c\u00e1c n\u0103m:<\/b><\/p>\n

\"\"<\/p>\n

T\u1eeb bi\u1ec3u \u0111\u1ed3 \u0111\u00e3 v\u1ebd, k\u1ebft h\u1ee3p h\u00ecnh 16.1 SGK \u0110\u1ecba l\u00ed 12, h\u00e3y nh\u1eadn x\u00e9t v\u1ec1 t\u00ecnh h\u00ecnh ph\u00e1t tri\u1ec3n d\u00e2n s\u1ed1 v\u00e0 t\u1ec9 l\u1ec7 gia t\u0103ng d\u00e2n s\u1ed1 trung b\u00ecnh c\u1ee7a n\u01b0\u1edbc ta trong giai \u0111o\u1ea1n 1960 \u2013 2009.<\/b><\/p>\n

– D\u00e2n s\u1ed1 n\u01b0\u1edbc ta t\u0103ng nhanh v\u00e0 li\u00ean t\u1ee5c (g\u1ea5p 2,5 l\u1ea7n), \u0111\u1eb7c bi\u1ec7t giai \u0111o\u1ea1n 1960 \u2013 1976.<\/p>\n

– T\u1ec9 l\u1ec7 gia t\u0103ng d\u00e2n s\u1ed1 c\u00f3 nhi\u1ec1u bi\u1ebfn \u0111\u1ed9ng:<\/p>\n

+ Giai \u0111o\u1ea1n n\u0103m 1921 \u2013 1954: T\u1ec9 l\u1ec7 gia t\u0103ng d\u00e2n s\u1ed1 th\u1ea5p (> 1%, th\u1eddi k\u00ec chi\u1ebfn tranh \u1edf n\u01b0\u1edbc ta). Ri\u00eang th\u1eddi k\u00ec 1939 \u2013 1943 gia t\u0103ng d\u00e2n s\u1ed1 cao \u0111\u1ed9t bi\u1ebfn (> 3,06%).<\/p>\n

+ Giai \u0111o\u1ea1n 1954 \u2013 1976 gia t\u0103ng d\u00e2n s\u1ed1 cao nh\u1ea5t (tr\u00ean 3% – b\u00f9ng n\u1ed5 d\u00e2n s\u1ed1).<\/p>\n

+ Giai \u0111o\u1ea1n 1976 \u2013 2005 gia t\u0103ng d\u00e2n s\u1ed1 gi\u1ea3m t\u1eeb 2,16% xu\u1ed1ng c\u00f2n 1,32% nh\u1edd ch\u00ednh s\u00e1ch k\u1ebf ho\u1ea1ch h\u00f3a gia \u0111\u00ecnh \u0111\u00e3 t\u1eebng b\u01b0\u1edbc c\u00f3 hi\u1ec7u qu\u1ea3.<\/p>\n

B\u00e0i 2 trang 26 T\u1eadp b\u1ea3n \u0111\u1ed3 \u0110\u1ecba L\u00ed 12:<\/b>D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 li\u1ec7u \u1edf trang 27, em h\u00e3y:<\/span><\/p>\n

T\u00ednh m\u1eadt \u0111\u1ed9 d\u00e2n s\u1ed1 c\u1ee7a c\u00e1c v\u00f9ng v\u00e0 \u0111i\u1ec1n v\u00e0o c\u1ed9t \u201cM\u1eadt \u0111\u1ed9\u201d<\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

– V\u1ebd bi\u1ec3u \u0111\u1ed3 h\u00ecnh tr\u00f2n th\u1ec3 hi\u1ec7n di\u1ec7n t\u00edch v\u00e0 d\u00e2n s\u1ed1 c\u1ee7a n\u01b0\u1edbc ta ph\u00e2n theo c\u00e1c v\u00f9ng n\u0103m 2009 (tr\u01b0\u1edbc khi v\u1ebd bi\u1ec3u \u0111\u1ed3, h\u00e3y x\u1eed l\u00ed s\u1ed1 li\u1ec7u v\u00e0 \u0111i\u1ec1n v\u00e0o b\u1ea3ng \u201cDi\u1ec7n t\u00edch, d\u00e2n s\u1ed1 c\u1ee7a c\u00e1c v\u00f9ng n\u0103m 2009\u201d).<\/b><\/p>\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\nDi\u1ec7n t\u00edch (km\u00a02<\/sup>)<\/td>\nD\u00e2n s\u1ed1 (ngh\u00ecn ng\u01b0\u1eddi)<\/td>\nM\u1eadt \u0111\u1ed9 (ng\u01b0\u1eddi\/km2<\/sup>)<\/td>\n<\/tr>\n
C\u1ea3 n\u01b0\u1edbc<\/td>\n331.051,4 (100%)<\/td>\n86.024,6 (100%)<\/td>\n259<\/td>\n<\/tr>\n
Trung du v\u00e0 mi\u1ec1n n\u00fai B\u1eafc B\u1ed9<\/td>\n101.437,8 (30,1%)<\/td>\n12.241,8 (14,2%)<\/td>\n120<\/td>\n<\/tr>\n
\u0110\u1ed3ng b\u1eb1ng s\u00f4ng H\u1ed3ng<\/td>\n14.964,1 (4,5%<\/td>\n18.478,4 (21,5%)<\/td>\n1234<\/td>\n<\/tr>\n
B\u1eafc Trung B\u1ed9<\/td>\n51.524,6 (15,6%)<\/td>\n10.090,4 (11,7%)<\/td>\n195<\/td>\n<\/tr>\n
Duy\u00ean h\u1ea3i Nam Trung B\u1ed9<\/td>\n44.360,5 (13,4%)<\/td>\n8.780,0 (10%)<\/td>\n197<\/td>\n<\/tr>\n
T\u00e2y Nguy\u00ean<\/td>\n54.640,6 (16,5%)<\/td>\n5.124,9 (6%)<\/td>\n93<\/td>\n<\/tr>\n
\u0110\u00f4ng Nam B\u1ed9<\/td>\n23.695,2 (7,1%)<\/td>\n14.095,4 (16,4%)<\/td>\n594<\/td>\n<\/tr>\n
\u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long<\/td>\n40.518,5 (12,2%)<\/td>\n17.213.4 (20%)<\/td>\n424<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n
<\/div>\n<\/div>\n

\"\"<\/p>\n

T\u1eeb bi\u1ec3u \u0111\u1ed3 \u0111\u00e3 v\u1ebd, h\u00e3y nh\u1eadn x\u00e9t v\u1ec1 t\u00ecnh h\u00ecnh ph\u00e2n b\u1ed1 d\u00e2n c\u01b0 \u1edf n\u01b0\u1edbc ta (ph\u00e2n b\u1ed1 gi\u1eefa \u0111\u1ed3ng b\u1eb1ng v\u00e0 mi\u1ec1n n\u00fai; gi\u1eefa \u0111\u1ed3ng b\u1eb1ng s\u00f4ng H\u1ed3ng v\u00e0 \u0111\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long; gi\u1eefa Trung du v\u00e0 mi\u1ec1n n\u00fai B\u1eafc B\u1ed9 v\u1edbi T\u00e2y Nguy\u00ean):<\/b><\/p>\n

– V\u00f9ng \u0111\u1ed3ng b\u1eb1ng ch\u1ec9 chi\u1ebfm 1\/4 di\u1ec7n t\u00edch nh\u01b0ng t\u1eadp trung t\u1edbi 75% d\u00e2n s\u1ed1, trong khi mi\u1ec1n n\u00fai v\u1edbi 3\/4 di\u1ec7n t\u00edch nh\u01b0ng ch\u1ec9 c\u00f3 25% d\u00e2n s\u1ed1, m\u1eadt \u0111\u1ed9 d\u00e2n s\u00f4 th\u1ea5p.<\/p>\n

– Trong c\u00e1c \u0111\u1ed3ng b\u1eb1ng c\u00f3 s\u1ef1 ph\u00e2n h\u00f3a: \u0111\u1ed3ng b\u1eb1ng s\u00f4ng H\u1ed3ng t\u1eadp trung \u0111\u00f4ng d\u00e2n nh\u1ea5t (1225 ng\u01b0\u1eddi\/km2<\/sup>), \u0111\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long m\u1eadt \u0111\u1ed9 d\u00e2n s\u1ed1 l\u00e0 429 ng\u01b0\u1eddi\/km2<\/sup>.<\/p>\n

– Gi\u1eefa c\u00e1c v\u00f9ng mi\u1ec1n n\u00fai c\u0169ng c\u00f3 s\u1ef1 ch\u00eanh l\u1ec7ch: th\u1ea5p nh\u1ea5t l\u00e0 T\u00e2y B\u1eafc (69 ng\u01b0\u1eddi\/km2<\/sup>), T\u00e2y Nguy\u00ean l\u00e0 89 ng\u01b0\u1eddi\/km2<\/sup>, \u0110\u00f4ng B\u1eafc l\u00e0 148 ng\u01b0\u1eddi\/km2<\/sup>.<\/p>\n

B\u00e0i 3 trang 27 T\u1eadp b\u1ea3n \u0111\u1ed3 \u0110\u1ecba L\u00ed 12:<\/b>\u00a0N\u00eau m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p m\u00e0 Nh\u00e0 n\u01b0\u1edbc \u0111\u00e3 th\u1ef1c hi\u1ec7n trong th\u1eddi gian v\u1eeba qua v\u1ec1 ph\u00e2n b\u1ed1 l\u1ea1i d\u00e2n c\u01b0 trong c\u1ea3 n\u01b0\u1edbc:<\/span><\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

– Th\u1ef1c hi\u1ec7n k\u1ebf ho\u1ea1ch h\u00f3a gia \u0111\u00ecnh, \u0111\u1ea9y m\u1ea1nh tuy\u00ean truy\u1ec1n ch\u1ee7 tr\u01b0\u01a1ng d\u00e2n s\u1ed1.<\/p>\n

– Ch\u00ednh s\u00e1ch chuy\u1ec3n c\u01b0 \u0111\u1ec3 th\u00fac \u0111\u1ea9y ph\u00e2n c\u00f4ng lao \u0111\u1ed9ng, ph\u00e2n b\u1ed1 d\u00e2n c\u01b0 gi\u1eefa c\u00e1c v\u00f9ng.<\/p>\n

– X\u00e2y d\u1ef1ng ch\u00ednh s\u00e1ch quy ho\u1ea1ch th\u00edch h\u1ee3p \u0111\u00e1p \u1ee9ng xu th\u1ebf chuy\u1ec3n d\u1ecbch c\u01a1 c\u1ea5u d\u00e2n s\u1ed1 n\u00f4ng th\u00f4n v\u00e0 th\u00e0nh th\u1ecb.<\/p>\n

– \u0110\u1ea9y m\u1ea1nh xu\u1ea5t kh\u1ea9u lao \u0111\u1ed9ng, t\u0103ng c\u01b0\u1eddng \u0111\u00e0o t\u1ea1o tay ngh\u1ec1 cho lao \u0111\u1ed9ng xu\u1ea5t kh\u1ea9u.<\/p>\n

– \u0110\u1ea9y m\u1ea1nh ph\u00e1t tri\u1ec3n n\u00f4ng nghi\u1ec7p \u1edf n\u00f4ng th\u00f4n v\u00e0 v\u00f9ng trung du mi\u1ec1n n\u00fai.<\/p>\n","protected":false},"excerpt":{"rendered":"

B\u00e0i 1 trang 26 T\u1eadp b\u1ea3n \u0111\u1ed3 \u0110\u1ecba L\u00ed 12:\u00a0Cho b\u1ea3ng s\u1ed1 li\u1ec7u d\u01b0\u1edbi \u0111\u00e2y: T\u00ecnh h\u00ecnh gia t\u0103ng d\u00e2n s\u1ed1 giai \u0111o\u1ea1n 1960 \u2013 2009 (tri\u1ec7u ng\u01b0\u1eddi) N\u0103m 1960 1965 1976 1979 1989 1999 2002 2009 S\u1ed1 d\u00e2n 30,17 39,29 41,06 52,46 64,41 76,32 79,73 86,02 L\u1eddi gi\u1ea3i: V\u1ebd bi\u1ec3u \u0111\u1ed3 c\u1ed9t th\u1ec3 hi\u1ec7n […]<\/p>\n","protected":false},"author":3,"featured_media":25522,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1308],"tags":[1438,1437],"yoast_head":"\nB\u00e0i 16: \u0110\u1eb7c \u0111i\u1ec3m d\u00e2n s\u1ed1 v\u00e0 ph\u00e2n b\u1ed1 d\u00e2n c\u01b0 \u1edf n\u01b0\u1edbc ta<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/bai-16-dac-diem-dan-so-va-phan-bo-dan-cu-o-nuoc-ta-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"B\u00e0i 16: \u0110\u1eb7c \u0111i\u1ec3m d\u00e2n s\u1ed1 v\u00e0 ph\u00e2n b\u1ed1 d\u00e2n c\u01b0 \u1edf n\u01b0\u1edbc ta\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i 1 trang 26 T\u1eadp b\u1ea3n \u0111\u1ed3 \u0110\u1ecba L\u00ed 12:\u00a0Cho b\u1ea3ng s\u1ed1 li\u1ec7u d\u01b0\u1edbi \u0111\u00e2y: T\u00ecnh h\u00ecnh gia t\u0103ng d\u00e2n s\u1ed1 giai \u0111o\u1ea1n 1960 \u2013 2009 (tri\u1ec7u ng\u01b0\u1eddi) N\u0103m 1960 1965 1976 1979 1989 1999 2002 2009 S\u1ed1 d\u00e2n 30,17 39,29 41,06 52,46 64,41 76,32 79,73 86,02 L\u1eddi gi\u1ea3i: V\u1ebd bi\u1ec3u \u0111\u1ed3 c\u1ed9t th\u1ec3 hi\u1ec7n […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/bai-16-dac-diem-dan-so-va-phan-bo-dan-cu-o-nuoc-ta-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Lop12.edu.vn - 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