{"id":9081,"date":"2009-04-20T08:32:08","date_gmt":"2009-04-20T01:32:08","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/04\/nghien-cuu-xac-dinh-vung-trong-bach-dan-u-urophilla-cung-cap-go-lon-o-bac-trung-bo\/"},"modified":"2013-10-06T09:01:18","modified_gmt":"2013-10-06T02:01:18","slug":"nghien-cuu-xac-dinh-vung-trong-bach-dan-u-urophilla-cung-cap-go-lon-o-bac-trung-bo","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-xac-dinh-vung-trong-bach-dan-u-urophilla-cung-cap-go-lon-o-bac-trung-bo\/","title":{"rendered":"Nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh v\u00f9ng tr\u1ed3ng B\u1ea1ch \u0111\u00e0n U.urophilla cung c\u1ea5p g\u1ed7 l\u1edbn \u1edf B\u1eafc Trung B\u1ed9"},"content":{"rendered":"\n

Nguy\u1ec5n Thanh S\u01a1n<\/strong> <\/p>\n

\u0110\u1eb7ng V\u0103n Thuy\u1ebft<\/strong> <\/p>\n

Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em> <\/p>\n

T\u00d3M T\u1eaeT<\/strong> <\/p>\n

M\u1ee5c ti\u00eau c\u1ee7a nghi\u00ean c\u1ee9u n\u00e0y nh\u1eb1m x\u00e1c \u0111\u1ecbnh v\u00f9ng tr\u1ed3ng B\u1ea1ch \u0111\u00e0n Ur\u00f4 (E. urophylla<\/em>) th\u00edch h\u1ee3p cho v\u00f9ng B\u1eafc Trung B\u1ed9 \u0111\u1ec3 cung c\u1ea5p g\u1ed7 l\u1edbn. C\u00e1c nh\u00f3m nh\u00e2n t\u1ed1 \u0111\u01b0\u1ee3c xem x\u00e9t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u ki\u1ec7n v\u00f9ng g\u00e2y tr\u1ed3ng l\u00e0 kh\u00ed h\u1eadu, \u0111\u1ecba h\u00ecnh, \u0111\u1ea5t \u0111ai ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u sinh th\u00e1i c\u1ee7a lo\u00e0i c\u00e2y. K\u1ebft qu\u1ea3 cho th\u1ea5y B\u1ea1ch \u0111\u00e0n Ur\u00f4 c\u00f3 th\u1ec3 g\u00e2y tr\u1ed3ng r\u1eebng cung c\u1ea5p g\u1ed7 l\u1edbn \u1edf c\u00e1c t\u1ec9nh v\u00f9ng B\u1eafc Trung B\u1ed9 v\u1edbi di\u1ec7n t\u00edch th\u00edch h\u1ee3p 977.605ha chi\u1ebfm 19,0%, di\u1ec7n t\u00edch c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng 1.827.765ha chi\u1ebfm 35,6% v\u00e0 \u00edt th\u00edch h\u1ee3p 2.327.948ha chi\u1ebfm 45,3%. <\/p>\n

T\u1eeb kho\u00e1<\/strong>: X\u00e1c \u0111\u1ecbnh v\u00f9ng tr\u1ed3ng, b\u1ea1ch \u0111\u00e0n Ur\u00f4, v\u00f9ng B\u1eafc Trung B\u1ed9. <\/p>\n

M\u1ede \u0110\u1ea6U<\/strong> <\/p>\n

Theo \u0111\u1ecbnh h\u01b0\u1edbng Chi\u1ebfn l\u01b0\u1ee3c ph\u00e1t tri\u1ec3n l\u00e2m nghi\u1ec7p 2006-2020, c\u1ea7n tr\u1ed3ng m\u1edbi 2,5 tri\u1ec7u ha r\u1eebng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nhu c\u1ea7u g\u1ed7 nguy\u00ean li\u1ec7u trong n\u01b0\u1edbc 20-24 tri\u1ec7u m3<\/sup><\/strong>\/n\u0103m (trong \u0111\u00f3 c\u00f3 10 tri\u1ec7u m3<\/sup> g\u1ed7 l\u1edbn) v\u00e0 n\u00e2ng cao \u0111\u1ed9 che ph\u1ee7 c\u1ee7a r\u1eebng to\u00e0n qu\u1ed1c l\u00ean 47% <\/p>\n

Trong th\u1eddi gian qua, vi\u1ec7c g\u00e2y tr\u1ed3ng th\u1eed nghi\u1ec7m b\u1ea1ch \u0111\u00e0n Ur\u00f4 \u1edf v\u00f9ng B\u1eafc Trung B\u1ed9 \u0111\u00e3 \u0111em l\u1ea1i k\u1ebft qu\u1ea3 \u1edf m\u1ed9t s\u1ed1 n\u01a1i, song \u1edf m\u1ed9t s\u1ed1 \u0111\u1ecba ph\u01b0\u01a1ng n\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng B\u1ea1ch \u0111\u00e0n Ur\u00f4 th\u1ea5p. Nguy\u00ean nh\u00e2n ch\u00ednh d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng \u0111\u00f3 l\u00e0 vi\u1ec7c x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u ki\u1ec7n v\u00f9ng g\u00e2y tr\u1ed3ng ch\u01b0a \u0111\u01b0\u1ee3c xem x\u00e9t m\u1ed9t c\u00e1ch c\u00f3 c\u01a1 s\u1edf khoa h\u1ecdc. \u0110\u1ec3 n\u00e2ng cao n\u0103ng su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng r\u1eebng tr\u1ed3ng, nghi\u00ean c\u1ee9u n\u00e0y \u0111\u01b0\u1ee3c \u0111\u01b0a ra nh\u1eb1m x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u ki\u1ec7n v\u00f9ng g\u00e2y tr\u1ed3ng th\u00edch h\u1ee3p cho lo\u00e0i B\u1ea1ch \u0111\u00e0n Ur\u00f4 cung c\u1ea5p g\u1ed7 l\u1edbn \u1edf v\u00f9ng B\u1eafc Trung B\u1ed9. \u0110\u00e2y c\u0169ng ch\u00ednh l\u00e0 m\u1ed9t ph\u1ea7n trong \u0111\u1ec1 t\u00e0i “Nghi\u00ean c\u1ee9u h\u1ec7 th\u1ed1ng bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng th\u00e2m canh keo, b\u1ea1ch \u0111\u00e0n v\u00e0 Th\u00f4ng caribea cung c\u1ea5p g\u1ed7 l\u1edbn, 2006-2010” do TS \u0110\u1eb7ng V\u0103n Thuy\u1ebft l\u00e0m ch\u1ee7 nhi\u1ec7m. <\/p>\n

C\u1eadp nh\u1eadt t\u1ea1i \u0111\u00e2y<\/a><\/strong> <\/p>\n

\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\n \n<\/p>\n

\nM\u1ee5c tiêu c\u1ee7a nghiên c\u1ee9u này nh\u1eb1m xác \u0111\u1ecbnh vùng tr\u1ed3ng B\u1ea1ch \u0111àn Urô (E. urophylla<\/em>) thích h\u1ee3p cho vùng B\u1eafc Trung B\u1ed9 \u0111\u1ec3 cung c\u1ea5p g\u1ed7 l\u1edbn. Các nhóm nhân t\u1ed1 \u0111\u01b0\u1ee3c xem xét \u0111\u1ec3 xác \u0111\u1ecbnh \u0111i\u1ec1u ki\u1ec7n vùng gây tr\u1ed3ng là khí h\u1eadu, \u0111\u1ecba hình, \u0111\u1ea5t \u0111ai phù h\u1ee3p v\u1edbi yêu c\u1ea7u sinh thái c\u1ee7a loài cây. K\u1ebft qu\u1ea3 cho th\u1ea5y B\u1ea1ch \u0111àn Urô có th\u1ec3 gây tr\u1ed3ng r\u1eebng cung c\u1ea5p g\u1ed7 l\u1edbn \u1edf các t\u1ec9nh vùng B\u1eafc Trung B\u1ed9 v\u1edbi di\u1ec7n tích thích h\u1ee3p 977.605ha chi\u1ebfm 19,0%, di\u1ec7n tích có th\u1ec3 m\u1edf r\u1ed9ng 1.827.765ha chi\u1ebfm 35,6% và ít thích h\u1ee3p 2.327.948ha chi\u1ebfm 45,3%.<\/font><\/font><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9081"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=9081"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9081\/revisions"}],"predecessor-version":[{"id":10535,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9081\/revisions\/10535"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9081"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9081"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9081"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}