{"id":8971,"date":"2009-04-20T08:11:25","date_gmt":"2009-04-20T01:11:25","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/04\/nghien-cuu-mot-so-dac-diem-cau-truc-rung-lam-co-so-de-xuat-cac-bien-phap-ky-thuat-lam-sinh-nham-phuc-hoi-rung-tai-khu-bao-ton-copia-thuan-chau-son-la\/"},"modified":"2013-10-06T09:00:59","modified_gmt":"2013-10-06T02:00:59","slug":"nghien-cuu-mot-so-dac-diem-cau-truc-rung-lam-co-so-de-xuat-cac-bien-phap-ky-thuat-lam-sinh-nham-phuc-hoi-rung-tai-khu-bao-ton-copia-thuan-chau-son-la","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-mot-so-dac-diem-cau-truc-rung-lam-co-so-de-xuat-cac-bien-phap-ky-thuat-lam-sinh-nham-phuc-hoi-rung-tai-khu-bao-ton-copia-thuan-chau-son-la\/","title":{"rendered":"Nghi\u00ean c\u1ee9u m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m c\u1ea5u tr\u00fac r\u1eebng l\u00e0m c\u01a1 s\u1edf \u0111\u1ec1 xu\u1ea5t c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt l\u00e2m sinh nh\u1eb1m ph\u1ee5c h\u1ed3i r\u1eebng t\u1ea1i khu b\u1ea3o t\u1ed3n Copia, Thu\u1eadn Ch\u00e2u, S\u01a1n La"},"content":{"rendered":"<p> <strong>Nguy\u1ec5n Ti\u1ebfn D\u0169ng<\/strong> <\/p>\n<p> <em> Khoa L\u00e2m nghi\u1ec7p<\/em> <\/p>\n<p> <em> \u0110\u1ea1i h\u1ecdc T\u00e2y B\u1eafc<\/em> <\/p>\n<p> <strong>T\u00d3M T\u1eaeT<\/strong> <\/p>\n<p> C\u1ea5u tr\u00fac r\u1eebng l\u00e0 s\u1ef1 s\u1eafp x\u1ebfp c\u00e1c t\u1ed5 ch\u1ee9c n\u1ed9i b\u1ed9 c\u00e1c th\u00e0nh ph\u1ea7n sinh v\u1eadt trong h\u1ec7 sinh th\u00e1i r\u1eebng. C\u1ea5u tr\u00fac r\u1eebng bao g\u1ed3m: C\u1ea5u tr\u00fac sinh th\u00e1i ,C\u1ea5u tr\u00fac h\u00ecnh th\u00e1i, C\u1ea5u tr\u00fac th\u1eddi gian.R\u1eebng th\u1ee9 sinh nhi\u1ec7t \u0111\u1edbi c\u00f3 c\u1ea5u tr\u00fac r\u1ea5t ph\u1ee9c t\u1ea1p, n\u00f3 tu\u1ef3 thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 t\u00e1c \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi. Trong c\u00f4ng t\u00e1c khoanh nu\u00f4i ph\u1ee5c h\u1ed3i r\u1eebng, \u0111\u1ec3 r\u00fat ng\u1eafn th\u1eddi gian ph\u1ee5c h\u1ed3i r\u1eebng v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 mong mu\u1ed1n, Vi\u1ec7c nghi\u00ean c\u1ee9u c\u1ea5u tr\u00fac r\u1eebng l\u00e0 vi\u1ec7c l\u00e0m h\u1ebft s\u1ee9c c\u1ea7n thi\u1ebft. <\/p>\n<p> <strong>T\u1eeb kho\u00e1:<\/strong> c\u1ea5u tr\u00fac r\u1eebng, ph\u1ee5c h\u1ed3i r\u1eebng, khu b\u1ea3o t\u1ed3n Copia <\/p>\n<p> <strong>\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong> <\/p>\n<p> R\u1eebng l\u00e0 m\u1ed9t t\u00e0i nguy\u00ean v\u00f4 c\u00f9ng qu\u00fd gi\u00e1 c\u1ee7a nh\u00e2n lo\u1ea1i. R\u1eebng c\u00f3 vai tr\u00f2 r\u1ea5t l\u1edbn \u0111\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng sinh th\u00e1i c\u0169ng nh\u01b0 \u0111\u1eddi s\u1ed1ng x\u00e3 h\u1ed9i. Theo s\u1ed1 li\u1ec7u th\u1ed1ng k\u00ea c\u1ee7a C\u1ee5c Ki\u1ec3m l\u00e2m, \u0111\u1ebfn cu\u1ed1i 2005 di\u1ec7n t\u00edch r\u1eebng n\u01b0\u1edbc ta l\u00e0 12.616.700ha, trong \u0111\u00f3 r\u1eebng t\u1ef1 nhi\u00ean 10.283.173 ha chi\u1ebfm 81,5% r\u1eebng tr\u1ed3ng: 2.333.526 ha chi\u1ebfm 18,5%. Tuy di\u1ec7n t\u00edch r\u1eebng v\u00e0 \u0111\u1ed9 che ph\u1ee7 t\u01b0\u01a1ng \u0111\u1ed1i cao nh\u01b0ng di\u1ec7n t\u00edch r\u1eebng nguy\u00ean sinh ch\u1ec9 chi\u1ebfm kho\u1ea3ng 7% v\u00e0 c\u00f3 t\u1edbi g\u1ea7n 70% l\u00e0 r\u1eebng th\u1ee9 sinh ngh\u00e8o. R\u1eebng th\u1ee9 sinh ngh\u00e8o l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a qu\u00e1 tr\u00ecnh khai th\u00e1c c\u1ea1n ki\u1ec7t sau m\u1ed9t th\u1eddi gian d\u00e0i m\u00e0 kh\u00f4ng c\u00f3 bi\u1ec7n ph\u00e1p ph\u1ee5c h\u1ed3i r\u1eebng. Hi\u1ec7n nay qu\u00e1 tr\u00ecnh khoanh nu\u00f4i r\u1eebng ch\u1ee7 y\u1ebfu m\u1edbi ch\u1ec9 d\u1eebng l\u1ea1i \u1edf vi\u1ec7c \u0111\u1ec3 cho r\u1eebng ph\u1ee5c h\u1ed3i t\u1ef1 nhi\u00ean, ch\u01b0a c\u00f3 c\u00e1c bi\u1ec7n ph\u00e1p t\u00e1c \u0111\u1ed9ng t\u00edch c\u1ef1c \u0111\u1ea9y nhanh t\u1ed1c \u0111\u1ed9 ph\u1ee5c h\u1ed3i r\u1eebng. <\/p>\n<p> T\u00e0i nguy\u00ean r\u1eebng c\u1ee7a khu b\u1ea3o t\u1ed3n thi\u00ean nhi\u00ean Copia n\u1eb1m tr\u00ean \u0111\u1ecba b\u00e0n huy\u1ec7n Thu\u1eadn Ch\u00e2u, t\u1ec9nh S\u01a1n La c\u0169ng n\u1eb1m trong th\u1ef1c tr\u1ea1ng chung \u0111\u00f3. Chi\u1ebfm t\u1ec9 l\u1ec7 kh\u00f4ng nh\u1ecf di\u1ec7n t\u00edch l\u00e0 r\u1eebng th\u1ee9 sinh ngh\u00e8o \u0111\u00e3 b\u1ecb t\u00e1c \u0111\u1ed9ng r\u1ea5t m\u1ea1nh, c\u1ea5u tr\u00fac r\u1eebng b\u1ecb ph\u00e1 v\u1ee1, di\u1ec7n t\u00edch r\u1eebng ph\u00e2n t\u00e1n\u2026 m\u1eb7t kh\u00e1c t\u1ea1i \u0111\u00e2y ch\u01b0a c\u00f3 nh\u1eefng nghi\u00ean c\u1ee9u c\u1ee5 th\u1ec3 \u0111\u1ec3 \u0111\u1ec1 xu\u1ea5t c\u00e1c bi\u1ec7n ph\u00e1p t\u00e1c \u0111\u1ed9ng ph\u00f9 h\u1ee3p nh\u1eb1m \u0111\u1ea9y nhanh t\u1ed1c \u0111\u1ed9 ph\u1ee5c h\u1ed3i r\u1eebng. V\u00ec v\u1eady c\u00f4ng t\u00e1c khoanh nu\u00f4i ph\u1ee5c h\u1ed3i r\u1eebng c\u00f2n g\u1eb7p r\u1ea5t nhi\u1ec1u kh\u00f3 kh\u0103n tr\u1edf ng\u1ea1i, ch\u01b0a \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 nh\u01b0 mong mu\u1ed1n. <\/p>\n<p> <strong><a>C\u1eadp nh\u1eadt t\u1ea1i \u0111\u00e2y<\/a><\/strong> <\/p>\n","protected":false},"excerpt":{"rendered":"<p align=\"justify\">\n<font size=\"3\"><font face=\"Times New Roman\">C\u1ea5u tr&uacute;c r\u1eebng l&agrave; s\u1ef1 s\u1eafp x\u1ebfp c&aacute;c t\u1ed5 ch\u1ee9c n\u1ed9i b\u1ed9 c&aacute;c th&agrave;nh ph\u1ea7n sinh v\u1eadt trong h\u1ec7 sinh th&aacute;i r\u1eebng. C\u1ea5u tr&uacute;c r\u1eebng bao g\u1ed3m: C\u1ea5u tr&uacute;c sinh th&aacute;i ,C\u1ea5u tr&uacute;c h&igrave;nh th&aacute;i, C\u1ea5u tr&uacute;c th\u1eddi gian.R\u1eebng th\u1ee9 sinh nhi\u1ec7t \u0111\u1edbi c&oacute; c\u1ea5u tr&uacute;c r\u1ea5t ph\u1ee9c t\u1ea1p, n&oacute; tu\u1ef3 thu\u1ed9c v&agrave;o m\u1ee9c \u0111\u1ed9 t&aacute;c \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi. <\/font><\/font><font size=\"3\"><font face=\"Times New Roman\">Trong c&ocirc;ng t&aacute;c khoanh nu&ocirc;i ph\u1ee5c h\u1ed3i r\u1eebng, \u0111\u1ec3 r&uacute;t ng\u1eafn th\u1eddi gian ph\u1ee5c h\u1ed3i r\u1eebng v&agrave; \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 mong mu\u1ed1n, Vi\u1ec7c nghi&ecirc;n c\u1ee9u c\u1ea5u tr&uacute;c r\u1eebng l&agrave; vi\u1ec7c l&agrave;m h\u1ebft s\u1ee9c c\u1ea7n thi\u1ebft.<\/font><\/font><\/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\/8971"}],"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=8971"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8971\/revisions"}],"predecessor-version":[{"id":10427,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8971\/revisions\/10427"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=8971"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=8971"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=8971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}