{"id":9347,"date":"2010-02-24T02:33:33","date_gmt":"2010-02-22T20:28:40","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2010\/02\/co-so-khoa-hoc-de-xay-dung-tieu-chi-rung-tu-nhien-ngheo-kiet-duoc-phep-cai-tao\/"},"modified":"2013-10-06T09:01:52","modified_gmt":"2013-10-06T02:01:52","slug":"co-so-khoa-hoc-de-xay-dung-tieu-chi-rung-tu-nhien-ngheo-kiet-duoc-phep-cai-tao","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/co-so-khoa-hoc-de-xay-dung-tieu-chi-rung-tu-nhien-ngheo-kiet-duoc-phep-cai-tao\/","title":{"rendered":"C\u1edf s\u1edf khoa h\u1ecdc \u0111\u1ec3 x\u00e2y d\u1ef1ng ti\u00eau ch\u00ed r\u1eebng t\u1ef1 nhi\u00ean ngh\u00e8o ki\u1ec7t \u0111\u01b0\u1ee3c ph\u00e9p c\u1ea3i t\u1ea1o"},"content":{"rendered":"\n

Kh\u00e1i ni\u1ec7m r\u1eebng gi\u00e0u, r\u1eebng trung b\u00ecnh v\u00e0 r\u1eebng ngh\u00e8o \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ch\u1ec9 tr\u1ea1ng th\u00e1i (ch\u1ee7 y\u1ebfu l\u00e0 tr\u1eef l\u01b0\u1ee3ng) c\u1ee7a r\u1eebng. C\u00e1c ch\u1ec9 ti\u00eau \u0111\u1ec3 ph\u00e2n bi\u1ec7t tr\u1ea1ng th\u00e1i tr\u1eef l\u01b0\u1ee3ng c\u1ee7a r\u1eebng trong c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n lo\u1ea1i r\u1eebng hi\u1ec7n nay ch\u01b0a c\u00f3 s\u1ef1 th\u1ed1ng nh\u1ea5t. Quan ni\u1ec7m th\u1ebf n\u00e0o l\u00e0 r\u1eebng ngh\u00e8o ki\u1ec7t; c\u0103n c\u1ee9 v\u00e0o c\u00e1c c\u01a1 s\u1edf khoa h\u1ecdc n\u00e0o \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c ch\u1ec9 ti\u00eau x\u00e1c \u0111\u1ecbnh r\u1eebng ngh\u00e8o ki\u1ec7t \u0111\u01b0\u1ee3c ph\u00e9p c\u1ea3i t\u1ea1o l\u00e0 nh\u1eefng v\u1ea5n \u0111\u1ec1 \u0111ang \u0111\u1eb7t ra r\u1ea5t c\u1ea5p b\u00e1ch trong th\u1ef1c ti\u1ec5n qu\u1ea3n l\u00fd r\u1eebng hi\u1ec7n nay. Theo c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n lo\u1ea1i tr\u1ea1ng th\u00e1i r\u1eebng \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p \u1edf bi\u1ec3u 1 th\u00ec, r\u1eebng ngh\u00e8o ki\u1ec7t l\u00e0 r\u1eebng t\u1ef1 nhi\u00ean th\u1ee9 sinh III t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi r\u1eebng IIa, IIb theo ph\u00e2n lo\u1ea1i c\u1ee7a Loeschau v\u00e0 c\u00f3 tr\u1eef l\u01b0\u1ee3ng d\u01b0\u1edbi 60 m3<\/sup>\/ha. Tr\u00ean th\u1ef1c t\u1ebf, c\u00f3 m\u1ed9t di\u1ec7n t\u00edch r\u1ea5t l\u1edbn r\u1eebng ngh\u00e8o ki\u1ec7t kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i b\u1eb1ng con \u0111\u01b0\u1eddng khoanh nu\u00f4i t\u00e1i sinh t\u1ef1 nhi\u00ean. Tuy nhi\u00ean, theo c\u00e1c qui ch\u1ebf qu\u1ea3n l\u00fd r\u1eebng t\u1ef1 nhi\u00ean tr\u01b0\u1edbc \u0111\u00e2y th\u00ec kh\u00f4ng cho ph\u00e9p khai hoang r\u1eebng t\u1ef1 nhi\u00ean ngh\u00e8o ki\u1ec7t \u0111\u1ec3 tr\u1ed3ng l\u1ea1i r\u1eebng. Trong khi \u0111\u00f3, c\u00e1c d\u1ef1 \u00e1n tr\u1ed3ng r\u1eebng nguy\u00ean li\u1ec7u ph\u1ee5c v\u1ee5 cho ch\u1ebf bi\u1ebfn v\u00e0 s\u1ea3n xu\u1ea5t g\u1ed7 xu\u1ea5t kh\u1ea9u l\u1ea1i g\u1eb7p ph\u1ea3i kh\u00f3 kh\u0103n l\u00e0 thi\u1ebfu \u0111\u1ea5t tr\u1ed3ng r\u1eebng. <\/p>\n

T\u1eeb kh\u00f3a:<\/strong> R\u1eebng t\u1ef1 nhi\u00ean ngh\u00e8o ki\u1ec7t, c\u1ea3i t\u1ea1o <\/p>\n

Ngu\u1ed3n: T\u1ea1p ch\u00ed N\u00f4ng nghi\u1ec7p v\u00e0 Ph\u00e1t tri\u1ec3n N\u00f4ng th\u00f4n<\/em> <\/p>\n","protected":false},"excerpt":{"rendered":"

\n \n<\/p>\n

\nKhái ni\u1ec7m r\u1eebng giàu, r\u1eebng trung bình và r\u1eebng nghèo \u0111\u01b0\u1ee3c dùng \u0111\u1ec3 ch\u1ec9 tr\u1ea1ng thái (ch\u1ee7 y\u1ebfu là tr\u1eef l\u01b0\u1ee3ng) c\u1ee7a r\u1eebng. Các ch\u1ec9 tiêu \u0111\u1ec3 phân bi\u1ec7t tr\u1ea1ng thái tr\u1eef l\u01b0\u1ee3ng c\u1ee7a r\u1eebng trong các h\u1ec7 th\u1ed1ng phân lo\u1ea1i r\u1eebng hi\u1ec7n nay ch\u01b0a có s\u1ef1 th\u1ed1ng nh\u1ea5t. Quan ni\u1ec7m th\u1ebf nào là r\u1eebng nghèo ki\u1ec7t; c\u0103n c\u1ee9 vào các c\u01a1 s\u1edf khoa h\u1ecdc nào \u0111\u1ec3 xây d\u1ef1ng các ch\u1ec9 tiêu xác \u0111\u1ecbnh r\u1eebng nghèo ki\u1ec7t \u0111\u01b0\u1ee3c phép c\u1ea3i t\u1ea1o là nh\u1eefng v\u1ea5n \u0111\u1ec1 \u0111ang \u0111\u1eb7t ra r\u1ea5t c\u1ea5p bách trong th\u1ef1c ti\u1ec5n qu\u1ea3n lý r\u1eebng hi\u1ec7n nay. Theo các h\u1ec7 th\u1ed1ng phân lo\u1ea1i tr\u1ea1ng thái r\u1eebng \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p \u1edf bi\u1ec3u 1 thì, r\u1eebng nghèo ki\u1ec7t là r\u1eebng t\u1ef1 nhiên th\u1ee9 sinh III t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi r\u1eebng IIa, IIb theo phân lo\u1ea1i c\u1ee7a Loeschau và có tr\u1eef l\u01b0\u1ee3ng d\u01b0\u1edbi 60 m3<\/sup>\/ha. Trên th\u1ef1c t\u1ebf, có m\u1ed9t di\u1ec7n tích r\u1ea5t l\u1edbn r\u1eebng nghèo ki\u1ec7t không có kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i b\u1eb1ng con \u0111\u01b0\u1eddng khoanh nuôi tái sinh t\u1ef1 nhiên.<\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[21],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9347"}],"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=9347"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9347\/revisions"}],"predecessor-version":[{"id":10802,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9347\/revisions\/10802"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9347"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9347"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}