{"id":9570,"date":"2012-04-12T08:15:56","date_gmt":"2011-06-07T00:03:03","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2011\/06\/nghien-cuu-dac-diem-lam-hoc-mot-so-he-sinh-thai-rung-chu-yeu-o-viet-nam\/"},"modified":"2013-10-06T09:02:42","modified_gmt":"2013-10-06T02:02:42","slug":"nghien-cuu-dac-diem-lam-hoc-mot-so-he-sinh-thai-rung-chu-yeu-o-viet-nam","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-dac-diem-lam-hoc-mot-so-he-sinh-thai-rung-chu-yeu-o-viet-nam\/","title":{"rendered":"Nghi\u00ean c\u1ee9u \u0111\u1eb7c \u0111i\u1ec3m l\u00e2m h\u1ecdc m\u1ed9t s\u1ed1 h\u1ec7 sinh th\u00e1i r\u1eebng ch\u1ee7 y\u1ebfu \u1edf Vi\u1ec7t Nam"},"content":{"rendered":"

Tr\u1ea7n V\u0103n Con<\/strong> <\/p>\n

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

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

S\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a qu\u1ea3n l\u00fd r\u1eebng b\u1ec1n v\u1eefng \u1edf c\u1ea5p t\u00e1c nghi\u1ec7p ph\u1ea3i d\u1ef1a tr\u00ean s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c qu\u00e1 tr\u00ecnh x\u1ea3y ra trong c\u00e1c h\u1ec7 sinh th\u00e1i r\u1eebng t\u1ef1 nhi\u00ean v\u00e0 c\u00e1c ph\u1ea3n \u1ee9ng c\u1ee7a ch\u00fang \u0111\u1ed1i v\u1edbi c\u00e1c t\u00e1c \u0111\u1ed9ng can thi\u1ec7p. R\u1eebng t\u1ef1 nhi\u00ean \u1edf Vi\u1ec7t Nam \u0111\u00e3 \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd t\u1eeb 4 th\u1eadp k\u1ef7 nay nh\u01b0ng c\u00e1c ki\u1ebfn th\u1ee9c v\u1ec1 c\u00e1c qu\u00e1 tr\u00ecnh nh\u01b0 v\u1eady v\u1eabn r\u1ea5t h\u1ea1n ch\u1ebf do thi\u1ebfu c\u00e1c d\u1eef li\u1ec7u t\u1eeb h\u1ec7 th\u1ed1ng \u00f4 ti\u00eau chu\u1ea9n \u0111\u1ecbnh v\u1ecb (\u00d4TC\u0110V). C\u00f3 ba v\u1ea5n \u0111\u1ec1 c\u1ea7n ph\u1ea3i d\u1ef1a v\u00e0o h\u1ec7 th\u1ed1ng \u00d4TC\u0110V \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u00e0: l\u01b0\u1ee3ng t\u0103ng tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1eddng k\u00ednh khai th\u00e1c t\u1ed1i thi\u1ec3u v\u00e0 lu\u00e2n k\u1ef3 khai th\u00e1c; l\u01b0\u1ee3ng t\u0103ng tr\u01b0\u1edfng th\u1ec3 t\u00edch \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng khai th\u00e1c cho ph\u00e9p h\u00e0ng n\u0103m; v\u00e0 \u0111\u1ed9ng th\u00e1i c\u1ea5u tr\u00fac l\u00e2m ph\u1ea7n \u0111\u1ec3 d\u1ef1 b\u00e1o c\u00e1c \u0111i\u1ec1u ki\u1ec7n r\u1eebng trong t\u01b0\u01a1ng lai. H\u1ec7 th\u1ed1ng \u00f4 ti\u00eau chu\u1ea9n t\u1ea1m th\u1eddi v\u00e0\/ho\u1eb7c gi\u1ea3i t\u00edch c\u00e2y kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng cung c\u1ea5p d\u1eef li\u1ec7u thi\u1ebft th\u1ef1c cho nhi\u1ec1u lo\u00e0i c\u00e2y nhi\u1ec7t \u0111\u1edbi, do \u0111\u00f3 c\u1ea7n ph\u1ea3i thu th\u1eadp s\u1ed1 li\u1ec7u t\u1eeb h\u1ec7 th\u1ed1ng \u00d4TC\u0110V. <\/p>\n

T\u1ed5ng s\u1ed1 64 \u00d4TC\u0110V c\u00f3 k\u00edch th\u01b0\u1edbc 1ha \u0111\u00e3 \u0111\u01b0\u1ee3c Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam thi\u1ebft l\u1eadp t\u1eeb n\u0103m 2004 \u0111\u1ebfn 2007. H\u1ec7 th\u00f4ng \u00d4TC\u0110V n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp \u0111\u1ec3: (i) Nghi\u00ean c\u1ee9u ph\u00e2n t\u00edch th\u1ea3m th\u1ef1c v\u1eadt r\u1eebng bao g\u1ed3m c\u1ea5u tr\u00fac, t\u1ed5 th\u00e0nh lo\u00e0i v\u00e0 \u0111a d\u1ea1ng sinh h\u1ecdc; (ii) Nghi\u00ean c\u1ee9u c\u00e1c qu\u00e1 tr\u00ecnh \u0111\u1ed9ng th\u00e1i: sinh tr\u01b0\u1edfng, ch\u1ebft v\u00e0 t\u00e1i sinh b\u1ed5 sung; (iii) Nghi\u00ean c\u1ee9u chu tr\u00ecnh dinh d\u01b0\u1ee1ng nh\u01b0 v\u1eadt r\u01a1i r\u1ee5ng, t\u00edch l\u0169y v\u00e0 ph\u00e2n h\u1ee7y, th\u00e0nh ph\u1ea7n dinh d\u01b0\u1ee1ng c\u1ee7a \u0111\u1ea5t v\u00e0 \u0111\u1ed9ng th\u00e1i,\u2026; (iv) Sinh th\u00e1i lo\u00e0i; v\u00e0 (v) C\u00e1c \u0111\u1eb7c t\u00ednh l\u00e2m h\u1ecdc kh\u00e1c c\u1ee7a 4 h\u1ec7 sinh th\u00e1i r\u1eebng t\u1ef1 nhi\u00ean ch\u1ee7 y\u1ebfu \u1edf Vi\u1ec7t Nam, \u0111\u00f3 l\u00e0: r\u1eebng l\u00e1 r\u1ed9ng th\u01b0\u1eddng xanh (40 \u00f4), r\u1eebng kh\u1ed9p (6 \u00f4), r\u1eebng ng\u1eadp m\u1eb7n (10 \u00f4) v\u00e0 r\u1eebng ng\u1eadp ph\u00e8n (8 \u00f4). <\/p>\n

K\u1ebft qu\u1ea3 ph\u00e2n t\u00edch d\u1eef li\u1ec7u thu th\u1eadp \u0111\u01b0\u1ee3c t\u1eeb h\u1ec7 th\u1ed1ng \u00d4TC\u0110V \u0111\u01b0a \u0111\u1ebfn c\u00e1c ph\u00e1t hi\u1ec7n sau \u0111\u00e2y: (i) c\u00e1c nh\u00e2n t\u1ed1 ph\u00e1t sinh v\u00e0 v\u00f9ng ph\u00e2n b\u1ed1 ch\u1ee7 y\u1ebfu c\u1ee7a 4 ki\u1ec3u r\u1eebng; (ii) c\u1ea5u tr\u00fac t\u1ed5 th\u00e0nh, \u0111a d\u1ea1ng lo\u00e0i, t\u1ea7ng phi\u1ebfn c\u1ee7a 4 ki\u1ec3u r\u1eebng; (iii) \u0110\u1ed9ng th\u00e1i t\u00e1i sinh v\u00e0 di\u1ec5n th\u1ebf th\u1ec3 hi\u1ec7n qua s\u1ef1 bi\u1ebfn \u0111\u1ed5i trong c\u00e1c l\u1edbp c\u00e2y t\u00e1i sinh, t\u1ea7ng c\u00e2y nh\u1ecf, t\u1ea7ng c\u00e2y cao th\u00f4ng qua c\u00e1c qu\u00e1 tr\u00ecnh t\u00e1i sinh b\u1ed5 sung, sinh tr\u01b0\u1edfng chuy\u1ec3n c\u1ea5p v\u00e0 ch\u1ebft. (iv) n\u0103ng su\u1ea5t c\u1ee7a 4 ki\u1ec3u r\u1eebng th\u1ec3 hi\u1ec7n qua c\u00e1c ch\u1ec9 ti\u00eau t\u0103ng tr\u01b0\u1edfng b\u00ecnh qu\u00e2n \u0111\u01b0\u1eddng k\u00ednh, tr\u1eef l\u01b0\u1ee3ng. V\u00e0 (v) \u0111\u1eb7c \u0111i\u1ec3m ti\u1ec3u kh\u00ed h\u1eadu trong c\u00e1c ki\u1ec3u r\u1eebng so v\u1edbi n\u01a1i kh\u00f4ng c\u00f3 r\u1eebng. <\/p>\n

T\u1eeb kh\u00f3a:<\/strong> \u0110\u1eb7c \u0111i\u1ec3m l\u00e2m h\u1ecdc; \u00d4 ti\u00eau chu\u1ea9n \u0111\u1ecbnh v\u1ecb; R\u1eebng kh\u1ed9p; R\u1eebng l\u00e1 r\u1ed9ng th\u01b0\u1eddng xanh; R\u1eebng ng\u1eadp m\u1eb7n; R\u1eebng ng\u1eadp ph\u00e8n. <\/p>\n

\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong> <\/p>\n

S\u1ef1 th\u00e0nh c\u00f4ng trong qu\u1ea3n l\u00fd r\u1eebng b\u1ec1n v\u1eefng ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c qu\u00e1 tr\u00ecnh x\u1ea3y ra trong c\u00e1c h\u1ec7 sinh th\u00e1i r\u1eebng (HSTR) v\u00e0 c\u00e1c ph\u1ea3n \u1ee9ng c\u1ee7a ch\u00fang \u0111\u1ed1i v\u1edbi c\u00e1c t\u00e1c \u0111\u1ed9ng l\u00e2m sinh. R\u1eebng t\u1ef1 nhi\u00ean \u1edf Vi\u1ec7t Nam \u0111\u00e3 \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd t\u1eeb h\u01a1n 40 n\u0103m nay, nh\u01b0ng nh\u1eefng hi\u1ec3u bi\u1ebft v\u1ec1 c\u1ea5u tr\u00fac v\u00e0 c\u00e1c qu\u00e1 tr\u00ecnh sinh th\u00e1i c\u1ee7a r\u1eebng v\u1eabn c\u00f2n r\u1ea5t h\u1ea1n ch\u1ebf do thi\u1ebfu c\u00e1c s\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c thu th\u1eadp t\u1eeb h\u1ec7 th\u1ed1ng \u00f4 ti\u00eau chu\u1ea9n \u0111\u1ecbnh v\u1ecb (\u00d4TC\u0110V). H\u1ec7 th\u1ed1ng \u00d4TC\u0110V l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft cho vi\u1ec7c t\u00ecm hi\u1ec3u ba v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng l\u00e0m c\u01a1 s\u1edf cho qu\u1ea3n l\u00fd r\u1eebng b\u1ec1n v\u1eefng, \u0111\u00f3 l\u00e0: (i) quy lu\u1eadt t\u0103ng tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh l\u00e0m c\u01a1 s\u1edf cho vi\u1ec7c x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1eddng k\u00ednh khai th\u00e1c t\u1ed1i thi\u1ec3u v\u00e0 lu\u00e2n k\u1ef3 khai th\u00e1c h\u1ee3p l\u00fd; (ii) l\u01b0\u1ee3ng t\u0103ng tr\u01b0\u1edfng s\u1ea3n l\u01b0\u1ee3ng r\u1eebng l\u00e0m c\u01a1 s\u1edf t\u00ednh to\u00e1n l\u01b0\u1ee3ng khai th\u00e1c cho ph\u00e9p h\u00e0ng n\u0103m v\u00e0 (iii) \u0111\u1ed9ng th\u00e1i c\u1ea5u tr\u00fac l\u00e2m ph\u1ea7n \u0111\u1ec3 d\u1ef1 b\u00e1o c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee7a r\u1eebng trong t\u01b0\u01a1ng lai. <\/p>\n

C\u00e1c nghi\u00ean c\u1ee9u d\u1ef1a tr\u00ean h\u1ec7 th\u1ed1ng \u00f4 ti\u00eau chu\u1ea9n t\u1ea1m th\u1eddi v\u00e0 gi\u1ea3i t\u00edch th\u00e2n c\u00e2y \u0111\u00e3 b\u1ed9c l\u1ed9 kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng cung c\u1ea5p c\u00e1c s\u1ed1 li\u1ec7u \u0111\u00e1ng tin c\u1eady cho nghi\u00ean c\u1ee9u c\u00e1c qu\u00e1 tr\u00ecnh \u0111\u1ed9ng th\u00e1i c\u1ee7a c\u00e1c HSTR, v\u00ec v\u1eady vi\u1ec7c thi\u1ebft l\u1eadp h\u1ec7 th\u1ed1ng \u00f4 ti\u00eau chu\u1ea9n \u0111\u1ecbnh v\u1ecb (\u00d4TC\u0110V) kh\u00f4ng ch\u1ec9 l\u00e0 c\u1ea7n thi\u1ebft v\u00e0 c\u00f3 \u00fd ngh\u0129a l\u1edbn trong vi\u1ec7c x\u00e2y d\u1ef1ng c\u01a1 s\u1edf v\u1eadt ch\u1ea5t k\u1ef9 thu\u1eadt l\u00e2u d\u00e0i \u0111\u1ec3 nghi\u00ean c\u1ee9u v\u1ec1 r\u1eebng t\u1ef1 nhi\u00ean. T\u1eeb \u0111\u00f3 t\u1eebng b\u01b0\u1edbc ho\u00e0n thi\u1ec7n th\u00eam ki\u1ebfn th\u1ee9c l\u00e2m h\u1ecdc v\u1ec1 c\u00e1c HSTR t\u1ef1 nhi\u00ean v\u00e0 cung c\u1ea5p c\u01a1 s\u1edf khoa h\u1ecdc quan tr\u1ecdng cho vi\u1ec7c \u0111\u1ec1 xu\u1ea5t, x\u00e2y d\u1ef1ng c\u00e1c gi\u1ea3i ph\u00e1p l\u00e2m sinh nh\u1eb1m n\u00e2ng cao s\u1ea3n l\u01b0\u1ee3ng, ch\u1ea5t l\u01b0\u1ee3ng r\u1eebng v\u00e0 ch\u1ee9c n\u0103ng \u0111a m\u1ee5c \u0111\u00edch c\u1ee7a r\u1eebng. <\/p>\n

(K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u khoa h\u1ecdc c\u00f4ng ngh\u1ec7 L\u00e2m nghi\u1ec7p giai \u0111o\u1ea1n 2006-2010, trang 297-304)<\/em> <\/p>\n","protected":false},"excerpt":{"rendered":"

<\/p>\n

\nS\u1ef1 thành công c\u1ee7a
\nqu\u1ea3n lý r\u1eebng b\u1ec1n v\u1eefng \u1edf c\u1ea5p tác nghi\u1ec7p ph\u1ea3i d\u1ef1a trên s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 các quá
\ntrình x\u1ea3y ra trong các h\u1ec7 sinh thái r\u1eebng t\u1ef1 nhiên và các ph\u1ea3n \u1ee9ng c\u1ee7a chúng \u0111\u1ed1i
\nv\u1edbi các tác \u0111\u1ed9ng can thi\u1ec7p. R\u1eebng t\u1ef1 nhiên \u1edf Vi\u1ec7t Nam \u0111ã \u0111\u01b0\u1ee3c qu\u1ea3n lý t\u1eeb 4 th\u1eadp k\u1ef7
\nnay nh\u01b0ng các ki\u1ebfn th\u1ee9c v\u1ec1 các quá trình nh\u01b0 v\u1eady v\u1eabn r\u1ea5t h\u1ea1n ch\u1ebf do thi\u1ebfu các
\nd\u1eef li\u1ec7u t\u1eeb h\u1ec7 th\u1ed1ng ô tiêu chu\u1ea9n \u0111\u1ecbnh v\u1ecb (ÔTC\u0110V). <\/span>\n<\/div>\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\/9570"}],"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=9570"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9570\/revisions"}],"predecessor-version":[{"id":11256,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9570\/revisions\/11256"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9570"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9570"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9570"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}