{"id":2461,"date":"2024-10-13T11:59:12","date_gmt":"2024-10-13T11:59:12","guid":{"rendered":"https:\/\/mtnongnghiep.com\/?p=2461"},"modified":"2025-06-16T10:21:44","modified_gmt":"2025-06-16T10:21:44","slug":"vai-tro-giu-nuoc-bao-ve-dat-cua-he-sinh-thai-rung","status":"publish","type":"post","link":"https:\/\/mtnongnghiep.com\/index.php\/2024\/10\/13\/vai-tro-giu-nuoc-bao-ve-dat-cua-he-sinh-thai-rung\/","title":{"rendered":"Vai tr\u00f2 gi\u1eef n\u01b0\u1edbc, b\u1ea3o v\u1ec7 \u0111\u1ea5t c\u1ee7a h\u1ec7 sinh th\u00e1i r\u1eebng"},"content":{"rendered":"\n

VAI TR\u00d2 C\u1ee6A R\u1eeaNG<\/strong><\/p>\n\n\n\n

R\u1eebng c\u00f3 hai gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t, \u0111\u00f3 l\u00e0 gi\u00e1 tr\u1ecb kinh t\u1ebf v\u00e0 gi\u00e1 tr\u1ecb m\u00f4i tr\u01b0\u1eddng. Gi\u00e1 tr\u1ecb kinh t\u1ebf c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y th\u00f4ng qua vi\u1ec7c cung c\u1ea5p g\u1ed7 v\u00e0 l\u00e2m s\u1ea3n ngo\u00e0i g\u1ed7. Trong khi \u0111\u00f3, gi\u00e1 tr\u1ecb m\u00f4i tr\u01b0\u1eddng th\u00f4ng qua t\u00e1c d\u1ee5ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed, ch\u1ed1ng bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu v\u00e0 hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh, b\u1ea3o t\u1ed3n ngu\u1ed3n gen c\u0169ng nh\u01b0 \u0111a d\u1ea1ng sinh h\u1ecdc. M\u1ed9t trong nh\u1eefng gi\u00e1 tr\u1ecb n\u1ed5i b\u1eadt c\u1ee7a r\u1eebng l\u00e0 kh\u1ea3 n\u0103ng gi\u1ea3m nh\u1eb9 thi\u00ean tai, \u0111\u1eb7c bi\u1ec7t l\u00e0 l\u0169 l\u1ee5t v\u00e0 s\u1ea1t l\u1edf \u0111\u1ea5t, nh\u1edd v\u00e0o kh\u1ea3 n\u0103ng l\u01b0u gi\u1eef n\u01b0\u1edbc m\u01b0a, \u0111i\u1ec1u h\u00f2a d\u00f2ng ch\u1ea3y c\u1ee7a l\u1edbp th\u1ea3m th\u1ef1c v\u1eadt r\u1eebng.<\/p>\n\n\n\n

Nh\u01b0 ch\u00fang ta bi\u1ebft, n\u01b0\u1edbc m\u01b0a l\u00e0 ngu\u1ed3n t\u00e0i nguy\u00ean qu\u00fd gi\u00e1 m\u00e0 thi\u00ean nhi\u00ean cung c\u1ea5p cho con ng\u01b0\u1eddi. Tuy nhi\u00ean, s\u1ef1 b\u1ea5t th\u01b0\u1eddng v\u00e0 kh\u1eafc nghi\u1ec7t c\u1ee7a th\u1eddi ti\u1ebft c\u0169ng khi\u1ebfn n\u01b0\u1edbc m\u01b0a tr\u1edf th\u00e0nh ngu\u1ed3n g\u1ed1c c\u1ee7a nhi\u1ec1u th\u1ea3m h\u1ecda. Nh\u1eefng tr\u1eadn m\u01b0a l\u1edbn g\u00e2y ng\u1eadp l\u1ee5t v\u00e0 l\u1edf \u0111\u1ea5t l\u00e0m h\u01b0 h\u1ea1i nh\u00e0 c\u1eeda, k\u1ebft c\u1ea5u h\u1ea1 t\u1ea7ng v\u00e0 g\u00e2y thi\u1ec7t h\u1ea1i \u0111\u1ebfn t\u00ednh m\u1ea1ng ng\u01b0\u1eddi d\u00e2n. Nghi\u00eam tr\u1ecdng h\u01a1n, nh\u1eefng c\u01a1n b\u00e3o nhi\u1ec7t \u0111\u1edbi k\u1ebft h\u1ee3p v\u1edbi m\u01b0a l\u1edbn \u0111\u00f4i khi g\u00e2y ra nh\u1eefng h\u1eadu qu\u1ea3 th\u1ea3m kh\u1ed1c, \u0111\u1ec3 l\u1ea1i nh\u1eefng v\u1ebft th\u01b0\u01a1ng kh\u00f3 l\u00e0nh cho c\u1ed9ng \u0111\u1ed3ng. B\u00e0i vi\u1ebft n\u00e0y nh\u1eb1m gi\u00fap ch\u00fang ta nh\u1eadn th\u1ee9c s\u00e2u s\u1eafc h\u01a1n v\u1ec1 vai tr\u00f2 quan tr\u1ecdng c\u1ee7a r\u1eebng trong vi\u1ec7c l\u01b0u gi\u1eef n\u01b0\u1edbc m\u01b0a, qua \u0111\u00f3 h\u1ea1n ch\u1ebf l\u0169 l\u1ee5t v\u00e0 l\u1edf \u0111\u1ea5t.<\/p>\n\n\n\n

H\u1ec7 sinh th\u00e1i r\u1eebng bao g\u1ed3m t\u1eadp h\u1ee3p c\u00e1c c\u00e2y xanh m\u1ecdc t\u1eadp trung tr\u00ean m\u1ed9t di\u1ec7n t\u00edch l\u1edbn, \u0111\u00e2y l\u00e0 sinh c\u1ea3nh cho c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt v\u00e0 vi sinh v\u1eadt t\u1ed3n t\u1ea1i v\u00e0 ph\u00e1t tri\u1ec3n. Tr\u01b0\u1edbc khi \u0111i s\u00e2u v\u00e0o vai tr\u00f2 l\u01b0u gi\u1eef n\u01b0\u1edbc m\u01b0a c\u1ee7a r\u1eebng, c\u1ea7n t\u00ecm hi\u1ec3u tr\u01b0\u1edbc c\u01a1 ch\u1ebf l\u01b0u gi\u1eef n\u01b0\u1edbc m\u01b0a c\u1ee7a t\u1eebng c\u00e2y r\u1eebng. Qu\u00e1 tr\u00ecnh n\u00e0y bao g\u1ed3m c\u00e1c c\u01a1 ch\u1ebf sinh h\u1ecdc v\u00e0 v\u1eadt l\u00fd m\u00e0 c\u00e2y s\u1eed d\u1ee5ng \u0111\u1ec3 h\u1ea5p th\u1ee5, l\u01b0u gi\u1eef v\u00e0 ph\u00e2n ph\u1ed1i n\u01b0\u1edbc t\u1eeb m\u01b0a. Khi m\u01b0a r\u01a1i xu\u1ed1ng, t\u00e1n c\u00e2y \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u201cb\u1ed9 l\u1ecdc\u201d \u0111\u1ea7u ti\u00ean. T\u00e1n c\u00e2y v\u1edbi c\u00e1c l\u1edbp l\u00e1 d\u00e0y \u0111\u1eb7c c\u00f3 kh\u1ea3 n\u0103ng gi\u1eef l\u1ea1i m\u1ed9t ph\u1ea7n n\u01b0\u1edbc m\u01b0a, l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh v\u00e0 gi\u1ea3m nh\u1eb9 s\u1ee9c n\u1eb7ng c\u1ee7a n\u01b0\u1edbc r\u01a1i xu\u1ed1ng \u0111\u1ea5t. L\u01b0\u1ee3ng n\u01b0\u1edbc n\u00e0y c\u00f3 th\u1ec3 b\u00e1m tr\u00ean b\u1ec1 m\u1eb7t l\u00e1 v\u00e0 c\u00e0nh, sau \u0111\u00f3 d\u1ea7n d\u1ea7n b\u1ed1c h\u01a1i tr\u1edf l\u1ea1i kh\u00f4ng kh\u00ed th\u00f4ng qua qu\u00e1 tr\u00ecnh tho\u00e1t h\u01a1i n\u01b0\u1edbc; m\u1ed9t ph\u1ea7n n\u01b0\u1edbc m\u01b0a s\u1ebd r\u01a1i t\u1eeb t\u00e1n c\u00e2y xu\u1ed1ng th\u00e2n c\u00e2y. Th\u00e2n c\u00e2y, \u0111\u1eb7c bi\u1ec7t \u1edf nh\u1eefng lo\u00e0i c\u00e2y g\u1ed7 l\u1edbn, c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn n\u01b0\u1edbc xu\u1ed1ng \u0111\u1ea5t m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 m\u00e0 kh\u00f4ng g\u00e2y x\u00f3i m\u00f2n. H\u1ec7 r\u1ec5 c\u1ee7a c\u00e2y r\u1eebng l\u00e0 b\u1ed9 ph\u1eadn quan tr\u1ecdng nh\u1ea5t trong vi\u1ec7c h\u1ea5p th\u1ee5 v\u00e0 l\u01b0u gi\u1eef n\u01b0\u1edbc. C\u00e1c r\u1ec5 c\u00e2y ph\u00e1t tri\u1ec3n s\u00e2u v\u00e0 r\u1ed9ng gi\u00fap h\u1ea5p th\u1ee5 n\u01b0\u1edbc t\u1eeb \u0111\u1ea5t v\u00e0 duy tr\u00ec \u0111\u1ed9 \u1ea9m cho c\u00e2y. \u0110\u1eb7c bi\u1ec7t, h\u1ec7 r\u1ec5 c\u00e2y c\u00f2n gi\u00fap n\u01b0\u1edbc m\u01b0a th\u1ea5m t\u1eeb t\u1eeb xu\u1ed1ng c\u00e1c t\u1ea7ng \u0111\u1ea5t s\u00e2u h\u01a1n, t\u1eeb \u0111\u00f3 b\u1ed5 sung cho m\u1ea1ch n\u01b0\u1edbc ng\u1ea7m. \u0110\u1ed3ng th\u1eddi, r\u1ec5 c\u00e2y \u0111an xen v\u00e0o nhau gi\u00fap gi\u1eef \u0111\u1ea5t, ng\u0103n ng\u1eeba x\u00f3i m\u00f2n, duy tr\u00ec \u0111\u1ed9 \u1ea9m c\u1ea7n thi\u1ebft cho c\u00e2y v\u00e0 th\u1ea3m th\u1ef1c v\u1eadt kh\u00e1c trong r\u1eebng. D\u01b0\u1edbi t\u00e1n c\u00e2y v\u00e0 xung quanh r\u1ec5 l\u00e0 l\u1edbp m\u00f9n h\u1eefu c\u01a1, g\u1ed3m l\u00e1 r\u1ee5ng, c\u00e0nh kh\u00f4 v\u00e0 c\u00e1c v\u1eadt ch\u1ea5t sinh h\u1ecdc ph\u00e2n h\u1ee7y. L\u1edbp th\u1ea3m m\u1ee5c n\u00e0y \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t \u201cmi\u1ebfng b\u1ecdt bi\u1ec3n t\u1ef1 nhi\u00ean\u201d, gi\u00fap gi\u1eef n\u01b0\u1edbc m\u01b0a, ng\u0103n ch\u1eb7n s\u1ef1 bay h\u01a1i nhanh ch\u00f3ng.<\/p>\n\n\n\n

Chu tr\u00ecnh l\u01b0u gi\u1eef n\u01b0\u1edbc m\u01b0a c\u1ee7a h\u1ec7 sinh th\u00e1i r\u1eebng di\u1ec5n ra tu\u1ea7n t\u1ef1 v\u00e0 ch\u1eb7t ch\u1ebd, b\u1eaft \u0111\u1ea7u t\u1eeb t\u00e1n c\u00e2y, qua th\u00e2n c\u00e2y v\u00e0 cu\u1ed1i c\u00f9ng t\u1edbi r\u1ec5 c\u00e2y v\u00e0 th\u1ea3m th\u1ef1c v\u1eadt h\u1ec7 sinh th\u00e1i. Nh\u1edd s\u1ef1 ph\u1ed1i h\u1ee3p h\u00e0i h\u00f2a gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn t\u00e1n, th\u00e2n, v\u00e0 r\u1ec5, c\u00e2y r\u1eebng c\u00f3 th\u1ec3 l\u01b0u gi\u1eef v\u00e0 \u0111i\u1ec1u h\u00f2a d\u00f2ng ch\u1ea3y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n

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M\u00f4 h\u00ecnh chu tr\u00ecnh l\u01b0u gi\u1eef n\u01b0\u1edbc trong h\u1ec7 sinh th\u00e1i r\u1eebng<\/em><\/figcaption><\/figure>\n\n\n\n

H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng b\u1ea1n \u0111ang \u1edf trong m\u1ed9t khu r\u1eebng. B\u1ea1n s\u1ebd nh\u00ecn th\u1ea5y c\u00e1c l\u1edbp c\u00e2y cao, b\u1ee5i c\u00e2y v\u00e0 th\u1ef1c v\u1eadt xung quanh, c\u00f3 nh\u1eefng c\u00e2y cao v\u01b0\u01a1n l\u00ean b\u1ea7u tr\u1eddi trong khi nh\u1eefng c\u00e2y kh\u00e1c n\u1eb1m s\u00e1t m\u1eb7t \u0111\u1ea5t. B\u1ea1n c\u0169ng nh\u00ecn th\u1ea5y nhi\u1ec1u lu\u1ed3ng \u00e1nh s\u00e1ng xuy\u00ean qua c\u00e1c t\u1ea7ng l\u00e1, v\u1ebd n\u00ean nh\u1eefng hoa v\u0103n loang l\u1ed5 tr\u00ean m\u1eb7t \u0111\u1ea5t, trong khi ti\u1ebfng gi\u00f3 r\u00ec r\u00e0o qua t\u00e1n c\u00e2y nh\u01b0 \u0111ang th\u1ea7m th\u00ec m\u1ed9t b\u00ed m\u1eadt. Cho d\u00f9 b\u1ea1n l\u00e0 ng\u01b0\u1eddi kh\u00f4ng am hi\u1ec3u nhi\u1ec1u v\u1ec1 khoa h\u1ecdc r\u1eebng, b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 c\u1ea3m nh\u1eadn r\u1eb1ng nh\u1eefng l\u1edbp c\u00e2y n\u00e0y ph\u1ea3i \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh l\u01b0u gi\u1eef n\u01b0\u1edbc m\u01b0a. C\u00f3 \u0111i\u1ec1u g\u00ec \u0111\u00f3 h\u00e0i h\u00f2a v\u00e0 k\u1ef3 di\u1ec7u trong c\u00e1ch thi\u00ean nhi\u00ean t\u1ea1o ra nh\u1eefng khu r\u1eebng t\u1ef1 nhi\u00ean nhi\u1ec1u t\u1ea7ng t\u00e1n, n\u01a1i m\u00e0 m\u1ed7i t\u1ea7ng \u0111\u1ec1u \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng kh\u00e1c nhau. V\u1eady c\u00e2u h\u1ecfi \u0111\u1eb7t ra l\u00e0 c\u00f3 \u0111i\u1ec1u g\u00ec kh\u00e1c so v\u1edbi nh\u1eefng khu r\u1eebng \u0111\u01a1n gi\u1ea3n, n\u01a1i ch\u1ec9 c\u00f3 m\u1ed9t t\u1ea7ng c\u00e2y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 r\u1eebng tr\u1ed3ng thu\u1ea7n lo\u00e0i?<\/p>\n\n\n\n

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C\u1ea5u tr\u00fac t\u1ea7ng t\u00e1n c\u1ee7a h\u1ec7 sinh th\u00e1i r\u1eebng<\/em><\/figcaption><\/figure>\n\n\n\n

R\u1eeaNG \u0110A T\u1ea6NG T\u00c1N V\u00c0 R\u1eeaNG TR\u1ed2NG THU\u1ea6N LO\u00c0I<\/strong><\/p>\n\n\n\n

Vi\u1ec7c so s\u00e1nh gi\u1eefa r\u1eebng \u0111a t\u1ea7ng t\u00e1n v\u00e0 r\u1eebng tr\u1ed3ng thu\u1ea7n lo\u00e0i g\u1ee3i l\u00ean hai h\u00ecnh \u1ea3nh kh\u00e1c bi\u1ec7t. R\u1eebng \u0111a t\u1ea7ng t\u00e1n c\u00f3 nhi\u1ec1u lo\u00e0i c\u00e2y kh\u00e1c nhau m\u1ecdc \u1edf c\u00e1c t\u1ea7ng cao th\u1ea5p, t\u1eeb c\u00e2y b\u1ee5i, c\u00e2y nh\u1ecf \u0111\u1ebfn nh\u1eefng c\u00e2y cao l\u1edbn; khi r\u1eebng kh\u00e9p t\u00e1n, kh\u00f4ng c\u00f3 kho\u1ea3ng tr\u1ed1ng gi\u1eefa c\u00e1c c\u00e2y. Ng\u01b0\u1ee3c l\u1ea1i, r\u1eebng tr\u1ed3ng thu\u1ea7n lo\u00e0i th\u01b0\u1eddng \u0111\u01b0\u1ee3c tr\u1ed3ng cho m\u1ee5c \u0111\u00edch kinh t\u1ebf n\u00ean ch\u1ec9 c\u00f3 m\u1ed9t lo\u00e0i c\u00e2y duy nh\u1ea5t trong l\u00e2m ph\u1ea7n; c\u00e1c c\u00e2y trong r\u1eebng th\u01b0\u1eddng \u0111\u01b0\u1ee3c tr\u1ed3ng theo m\u1ed9t kho\u1ea3ng c\u00e1ch nh\u1ea5t \u0111\u1ecbnh, c\u00e2y \u0111\u01b0\u1ee3c tr\u1ed3ng c\u00f9ng th\u1eddi \u0111i\u1ec3m n\u00ean c\u00f3 s\u1ef1 \u0111\u1ed3ng nh\u1ea5t v\u1ec1 tu\u1ed5i v\u00e0 k\u00edch th\u01b0\u1edbc, chi\u1ec1u cao, b\u00ean c\u1ea1nh \u0111\u00f3 l\u00e0 th\u1ea3m th\u1ef1c v\u1eadt ngh\u00e8o n\u00e0n v\u00e0 h\u1ec7 r\u1ec5 c\u00e2y k\u00e9m \u0111a d\u1ea1ng.<\/p>\n\n\n\n

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C\u1ea5u tr\u00fac t\u1ea7ng t\u00e1n c\u1ee7a r\u1eebng t\u1ef1 nhi\u00ean (b\u00ean tr\u00e1i) v\u00e0 r\u1eebng tr\u1ed3ng thu\u1ea7n lo\u00e0i (b\u00ean ph\u1ea3i)<\/em><\/figcaption><\/figure>\n\n\n\n

C\u1ea5u tr\u00fac r\u1eebng t\u1ef1 nhi\u00ean nhi\u1ec7t \u0111\u1edbi th\u01b0\u1eddng \u0111\u01b0\u1ee3c chia th\u00e0nh ba t\u1ea7ng ch\u00ednh, m\u1ed7i t\u1ea7ng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c gi\u1eef n\u01b0\u1edbc m\u01b0a. (1) T\u1ea7ng \u01b0u th\u1ebf sinh th\u00e1i h\u1ee9ng ch\u1ecbu l\u01b0\u1ee3ng m\u01b0a, l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh h\u1ea1t m\u01b0a r\u01a1i xu\u1ed1ng \u0111\u1ea5t, ng\u0103n ch\u1eb7n hi\u1ec7n t\u01b0\u1ee3ng x\u00f3i m\u00f2n \u0111\u1ea5t do m\u01b0a \u0111\u1ed5 tr\u1ef1c ti\u1ebfp v\u00e0 l\u00e0m gi\u1ea3m l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc ch\u1ea3y b\u1ec1 m\u1eb7t. (2) T\u1ea7ng trung gian c\u00f3 vai tr\u00f2 trong vi\u1ec7c ti\u1ebfp t\u1ee5c gi\u1ea3m l\u01b0\u1ee3ng n\u01b0\u1edbc m\u01b0a ch\u1ea3y xu\u1ed1ng v\u00e0 gi\u00fap n\u01b0\u1edbc th\u1ea9m th\u1ea5u v\u00e0o \u0111\u1ea5t, gi\u1eef \u0111\u1ed9 \u1ea9m cho \u0111\u1ea5t. (3) T\u1ea7ng c\u00e2y t\u00e1i sinh, c\u1ecf v\u00e0 th\u1ea3m t\u01b0\u01a1i nh\u01b0 m\u1ed9t \u201cb\u1ec3 ch\u1ee9a n\u01b0\u1edbc\u201d t\u1ef1 nhi\u00ean, c\u00f3 kh\u1ea3 n\u0103ng gi\u1eef l\u1ea1i n\u01b0\u1edbc m\u01b0a l\u00e2u h\u01a1n, ng\u0103n n\u01b0\u1edbc ch\u1ea3y tr\u00e0n tr\u00ean b\u1ec1 m\u1eb7t v\u00e0 c\u1ea3i thi\u1ec7n qu\u00e1 tr\u00ecnh th\u1ea5m n\u01b0\u1edbc v\u00e0o \u0111\u1ea5t, gi\u00fap duy tr\u00ec \u0111\u1ed9 \u1ea9m \u0111\u1ea5t \u0111\u1ec3 nu\u00f4i d\u01b0\u1ee1ng s\u1ef1 s\u1ed1ng v\u00e0 n\u00e2ng cao l\u01b0\u1ee3ng n\u01b0\u1edbc ng\u1ea7m. C\u00e1c t\u1ea7ng t\u00e1n n\u00e0y ph\u1ed1i h\u1ee3p v\u1edbi nhau \u0111\u1ec3 duy tr\u00ec chu tr\u00ecnh n\u01b0\u1edbc trong r\u1eebng, gi\u00fap ng\u0103n ch\u1eb7n l\u0169 l\u1ee5t v\u00e0 gi\u1eef l\u1ea1i l\u01b0\u1ee3ng n\u01b0\u1edbc c\u1ea7n thi\u1ebft cho h\u1ec7 sinh th\u00e1i. Nh\u1edd s\u1ef1 \u0111a d\u1ea1ng v\u1ec1 t\u1ea7ng t\u00e1n, r\u1eebng t\u1ef1 nhi\u00ean gi\u1eef n\u01b0\u1edbc t\u1ed1t, ng\u0103n ch\u1eb7n d\u00f2ng ch\u1ea3y m\u1ea1nh g\u00e2y l\u0169 l\u1ee5t v\u00e0 s\u1ea1t l\u1edf.<\/p>\n\n\n\n

Trong khi \u0111\u00f3, r\u1eebng tr\u1ed3ng thu\u1ea7n lo\u00e0i ch\u1ec9 c\u00f3 m\u1ed9t t\u1ea7ng c\u00e2y do kh\u00f4ng c\u00f3 nhi\u1ec1u lo\u1ea1i c\u00e2y v\u00e0 th\u1ea3m th\u1ef1c v\u1eadt \u1edf c\u00e1c t\u1ea7ng kh\u00e1c nhau, khi m\u01b0a r\u01a1i xu\u1ed1ng, ch\u1ec9 m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf n\u01b0\u1edbc \u0111\u01b0\u1ee3c gi\u1eef l\u1ea1i b\u1edfi l\u00e1 ho\u1eb7c th\u00e2n c\u00e2y, c\u00f2n l\u1ea1i l\u00e0 r\u01a1i tr\u1ef1c ti\u1ebfp xu\u1ed1ng \u0111\u1ea5t. \u0110i\u1ec1u n\u00e0y khi\u1ebfn n\u01b0\u1edbc ch\u1ea3y nhanh v\u00e0 m\u1ea1nh h\u01a1n, \u0111\u1ea5t c\u00f3 th\u1ec3 b\u1ecb cu\u1ed1n tr\u00f4i, d\u1ec5 g\u00e2y ra l\u0169 l\u1ee5t v\u00e0 x\u00f3i m\u00f2n \u0111\u1ea5t; trong khi \u0111\u00f3 l\u01b0\u1ee3ng n\u01b0\u1edbc ng\u1ea5m v\u00e0 l\u01b0u gi\u1eef trong c\u00e1c b\u1ec3 n\u01b0\u1edbc ng\u1ea7m l\u00e0 r\u1ea5t \u00edt.<\/p>\n\n\n\n

Nhi\u1ec1u nghi\u00ean c\u1ee9u trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc \u0111\u00e3 kh\u1eb3ng \u0111\u1ecbnh r\u1eebng t\u1ef1 nhi\u00ean v\u1edbi c\u1ea5u tr\u00fac \u0111a t\u1ea7ng t\u00e1n c\u00f3 kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc t\u1ed1t h\u01a1n r\u1eebng tr\u1ed3ng thu\u1ea7n lo\u00e0i. R\u1eebng t\u1ef1 nhi\u00ean gi\u1ea3m \u0111\u00e1ng k\u1ec3 d\u00f2ng ch\u1ea3y b\u1ec1 m\u1eb7t v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng th\u1ea5m n\u01b0\u1edbc v\u00e0o \u0111\u1ea5t so v\u1edbi r\u1eebng tr\u1ed3ng ho\u1eb7c khu v\u1ef1c ch\u1ec9 c\u00f3 c\u1ecf v\u00e0 c\u00e2y b\u1ee5i. \u0110\u1ed9 che ph\u1ee7 cao c\u1ee7a r\u1eebng t\u1ef1 nhi\u00ean gi\u00fap ng\u0103n ch\u1eb7n m\u1ed9t ph\u1ea7n l\u1edbn n\u01b0\u1edbc m\u01b0a, gi\u1ea3m thi\u1ec3u nguy c\u01a1 x\u00f3i m\u00f2n \u0111\u1ea5t v\u00e0 l\u0169 l\u1ee5t, \u0111\u1eb7c bi\u1ec7t \u1edf v\u00f9ng \u0111\u1ed3i n\u00fai d\u1ed1c. Khi \u0111\u1ed9 che ph\u1ee7 gi\u1ea3m, t\u00ecnh tr\u1ea1ng x\u00f3i m\u00f2n v\u00e0 d\u00f2ng ch\u1ea3y b\u1ec1 m\u1eb7t t\u0103ng l\u00ean \u0111\u00e1ng k\u1ec3, d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 l\u0169 l\u1ee5t v\u00e0 s\u1ea1t l\u1edf.<\/p>\n\n\n\n

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Chu tr\u00ecnh l\u01b0u gi\u1eef n\u01b0\u1edbc m\u01b0a trong r\u1eebng t\u1ef1 nhi\u00ean \u0111a t\u1ea7ng t\u00e1n (b\u00ean tr\u00e1i) v\u00e0 r\u1eebng tr\u1ed3ng thu\u1ea7n lo\u00e0i (b\u00ean ph\u1ea3i).<\/em><\/figcaption><\/figure>\n\n\n\n

L\u1ef0A CH\u1eccN \u0110\u1ec2 PH\u00c1T TRI\u1ec2N B\u1ec0N V\u1eeeNG<\/strong><\/p>\n\n\n\n

So v\u1edbi 10 n\u0103m tr\u01b0\u1edbc, t\u00ednh \u0111\u1ebfn cu\u1ed1i n\u0103m 2023, di\u1ec7n t\u00edch r\u1eebng Vi\u1ec7t Nam \u0111\u00e3 t\u0103ng t\u1eeb 13,9 tri\u1ec7u ha l\u00ean 14,86 tri\u1ec7u ha, v\u00e0 t\u1ef7 l\u1ec7 che ph\u1ee7 r\u1eebng t\u0103ng t\u1eeb 41% l\u00ean 42,02%. Di\u1ec7n t\u00edch r\u1eebng tr\u1ed3ng t\u0103ng t\u1eeb 3,5 tri\u1ec7u ha l\u00ean 4,7 tri\u1ec7u ha, trong khi di\u1ec7n t\u00edch r\u1eebng t\u1ef1 nhi\u00ean gi\u1ea3m nh\u1eb9 t\u1eeb 10,3 tri\u1ec7u ha xu\u1ed1ng c\u00f2n h\u01a1n 10,13 tri\u1ec7u ha.<\/p>\n\n\n\n

M\u1eb7c d\u00f9 nh\u1eefng con s\u1ed1 th\u1ed1ng k\u00ea cho th\u1ea5y m\u1ed9t b\u1ee9c tranh t\u00edch c\u1ef1c, tuy nhi\u00ean ph\u1ea3i nh\u00ecn nh\u1eadn r\u1eb1ng, di\u1ec7n t\u00edch v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng r\u1eebng t\u1ef1 nhi\u00ean ch\u01b0a cao do s\u1ef1 t\u00e1i sinh, ph\u1ee5c h\u1ed3i v\u00e0 di\u1ec5n th\u1ebf t\u1ef1 nhi\u00ean c\u1ee7a c\u00e1c h\u1ec7 sinh th\u00e1i r\u1eebng t\u1ef1 nhi\u00ean v\u1eabn c\u1ea7n m\u1ed9t th\u1eddi gian d\u00e0i \u0111\u1ec3 c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c s\u1ef1 c\u00e2n b\u1eb1ng t\u1ef1 nhi\u00ean. D\u00f9 v\u1eady, nh\u1edd v\u00e0o c\u00e1c bi\u1ec7n ph\u00e1p qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3 v\u00e0 k\u1ecbp th\u1eddi, k\u1ebft h\u1ee3p nh\u1eefng ch\u01b0\u01a1ng tr\u00ecnh tr\u1ed3ng r\u1eebng, khoanh nu\u00f4i x\u00fac ti\u1ebfn t\u00e1i sinh \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch c\u00f3 k\u1ebf ho\u1ea1ch, nhi\u1ec1u khu v\u1ef1c r\u1eebng t\u1ef1 nhi\u00ean \u0111\u1ea7u ngu\u1ed3n \u0111\u00e3 b\u1eaft \u0111\u1ea7u h\u1ed3i sinh, v\u1edbi s\u1ef1 gia t\u0103ng \u0111\u00e1ng k\u1ec3 v\u1ec1 c\u1ea3 di\u1ec7n t\u00edch v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 mang l\u1ea1i hy v\u1ecdng v\u1ec1 s\u1ef1 ph\u1ee5c h\u1ed3i b\u1ec1n v\u1eefng c\u1ee7a r\u1eebng t\u1ef1 nhi\u00ean m\u00e0 c\u00f2n m\u1edf ra tri\u1ec3n v\u1ecdng t\u00edch c\u1ef1c cho t\u01b0\u01a1ng lai v\u1ec1 kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc, b\u1ea3o v\u1ec7 \u0111\u1ea5t c\u1ee7a nh\u1eefng r\u1eebng ph\u00f2ng h\u1ed9 \u0111\u1ea7u ngu\u1ed3n.<\/p>\n\n\n\n

V\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft, suy gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng r\u1eebng t\u1ef1 nhi\u00ean t\u1ea1i c\u00e1c khu v\u1ef1c \u0111\u1ea7u ngu\u1ed3n c\u00f3 th\u1ec3 t\u1ea1o nh\u1eefng kho\u1ea3ng tr\u1ed1ng l\u1edbn trong h\u1ec7 sinh th\u00e1i. Thi\u1ebfu \u0111i l\u1edbp t\u00e1n c\u00e2y b\u1ea3o v\u1ec7, n\u01b0\u1edbc m\u01b0a d\u1ec5 d\u00e0ng th\u1ea5m s\u00e2u xu\u1ed1ng \u0111\u1ea5t, l\u00e0m gia t\u0103ng nguy c\u01a1 l\u0169 l\u1ee5t v\u00e0 s\u1ea1t l\u1edf \u0111\u1ea5t. G\u1ea7n \u0111\u00e2y, c\u01a1n b\u00e3o s\u1ed1 3 (si\u00eau b\u00e3o Yagi) \u0111\u00e3 \u0111\u1ec3 l\u1ea1i nhi\u1ec1u thi\u1ec7t h\u1ea1i \u0111\u00e1ng k\u1ec3, kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nh\u00e0 c\u1eeda v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u00e0 c\u00f2n \u0111e d\u1ecda \u0111\u1ebfn s\u1ef1 an to\u00e0n c\u1ee7a ng\u01b0\u1eddi d\u00e2n, \u0111\u1eb7c bi\u1ec7t \u1edf nh\u1eefng khu v\u1ef1c \u0111\u1ea7u ngu\u1ed3n. \u0110i\u1ec1u n\u00e0y ch\u1ee9ng t\u1ecf r\u1eb1ng vi\u1ec7c duy tr\u00ec \u1ed5n \u0111\u1ecbnh c\u1ea5u tr\u00fac t\u1ef1 nhi\u00ean ph\u1ee9c t\u1ea1p c\u1ee7a r\u1eebng mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch quan tr\u1ecdng trong vi\u1ec7c gi\u1ea3m thi\u1ec3u c\u00e1c t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c c\u1ee7a thi\u00ean tai.<\/p>\n\n\n\n

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\u00a0S\u1ea1t l\u1edf \u0111\u1ea5t r\u1eebng t\u1ea1i x\u00e3 A M\u00fa Sung, B\u00e1t X\u00e1t, L\u00e0o Cai. \u1ea2nh: Ch\u1ea3o Y\u1ebfn<\/em><\/figcaption><\/figure>\n\n\n\n

Nh\u1eefng s\u1ef1 c\u1ed1 thi\u00ean tai n\u00e0y l\u00e0 b\u00e0i h\u1ecdc \u0111\u1ec3 ch\u00fang ta c\u00f9ng nhau ng\u1ed3i l\u1ea1i \u0111\u1ec3 suy ngh\u0129 v\u00e0 nh\u00ecn nh\u1eadn v\u1ec1 vai tr\u00f2 thi\u1ebft y\u1ebfu c\u1ee7a vi\u1ec7c b\u1ea3o v\u1ec7 r\u1eebng t\u1ef1 nhi\u00ean \u0111a t\u1ea7ng t\u00e1n v\u00e0 \u0111\u1ecbnh h\u01b0\u1edbng ph\u00e1t tri\u1ec3n l\u00e2m nghi\u1ec7p b\u1ec1n v\u1eefng nh\u1eb1m \u1ee9ng ph\u00f3 v\u1edbi thi\u00ean tai. Trong b\u1ed1i c\u1ea3nh bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu ng\u00e0y c\u00e0ng gia t\u0103ng v\u00e0 kh\u00f3 l\u01b0\u1eddng h\u01a1n, vai tr\u00f2 c\u1ee7a r\u1eebng \u0111a t\u1ea7ng t\u00e1n kh\u00f4ng th\u1ec3 b\u1ecb xem nh\u1eb9. Nh\u1eefng c\u00e1nh r\u1eebng \u0111a t\u1ea7ng t\u00e1n s\u1ebd nh\u01b0 m\u1ed9t \u201cl\u00e1 ch\u1eafn\u201d t\u1ef1 nhi\u00ean, kh\u00f4ng ch\u1ec9 gi\u00fap l\u01b0u gi\u1eef n\u01b0\u1edbc m\u00e0 c\u00f2n ng\u0103n ng\u1eeba l\u0169 l\u1ee5t v\u00e0 s\u1ea1t l\u1edf \u0111\u1ea5t, b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 cu\u1ed9c s\u1ed1ng c\u1ee7a c\u1ed9ng \u0111\u1ed3ng.<\/p>\n\n\n\n

\u0110\u1ecaNH H\u01af\u1edaNG \u01afU TI\u00caN<\/strong><\/p>\n\n\n\n

V\u1edbi vai tr\u00f2 sinh th\u00e1i quan tr\u1ecdng trong vi\u1ec7c \u0111i\u1ec1u ti\u1ebft n\u01b0\u1edbc m\u01b0a, gi\u1ea3m thi\u1ec3u nguy c\u01a1 l\u0169 l\u1ee5t v\u00e0 s\u1ea1t l\u1edf \u0111\u1ea5t, r\u1eebng ph\u00f2ng h\u1ed9 c\u1ea7n \u0111\u01b0\u1ee3c \u01b0u ti\u00ean b\u1ea3o v\u1ec7 v\u00e0 ph\u00e1t tri\u1ec3n trong giai \u0111o\u1ea1n t\u1edbi, \u0111\u1eb7c bi\u1ec7t t\u1ea1i nh\u1eefng khu v\u1ef1c d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi thi\u00ean tai v\u00e0 bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu. C\u00f4ng t\u00e1c ph\u1ee5c h\u1ed3i, n\u00e2ng cao di\u1ec7n t\u00edch v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng r\u1eebng ph\u00f2ng h\u1ed9 c\u1ea7n t\u1eadp trung v\u00e0o c\u00e1c l\u0129nh v\u1ef1c ch\u00ednh sau: quy ho\u1ea1ch t\u1ed5ng th\u1ec3, ch\u1ecdn lo\u00e0i c\u00e2y ph\u00f9 h\u1ee3p, x\u00e2y d\u1ef1ng c\u1ea5u tr\u00fac r\u1eebng \u0111a t\u1ea7ng t\u00e1n v\u00e0 ph\u00e2n b\u1ed1 kh\u00f4ng gian h\u1ee3p l\u00fd.<\/p>\n\n\n\n

Th\u1ee9 nh\u1ea5t, \u0111\u1ea3m b\u1ea3o duy tr\u00ec t\u1ef7 l\u1ec7 che ph\u1ee7 r\u1eebng to\u00e0n qu\u1ed1c \u1ed5n \u0111\u1ecbnh t\u1eeb 42% \u0111\u1ebfn 43%, \u0111\u1ed3ng th\u1eddi \u1ed5n \u0111\u1ecbnh l\u00e2m ph\u1eadn k\u1ebft h\u1ee3p n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng ba lo\u1ea1i r\u1eebng, \u0111\u1eb7c bi\u1ec7t l\u00e0 r\u1eebng t\u1ef1 nhi\u00ean. Vi\u1ec7c quy ho\u1ea1ch r\u1eebng ph\u00f2ng h\u1ed9 ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n d\u1ef1a tr\u00ean c\u01a1 s\u1edf khoa h\u1ecdc v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba l\u00fd, kh\u00ed h\u1eadu c\u1ee7a t\u1eebng v\u00f9ng. \u0110\u1ed1i v\u1edbi r\u1eebng ph\u00f2ng h\u1ed9 \u0111\u1ea7u ngu\u1ed3n, ph\u1ea3i \u01b0u ti\u00ean nh\u1eefng khu v\u1ef1c c\u00f3 nguy c\u01a1 cao v\u1ec1 x\u00f3i m\u00f2n v\u00e0 s\u1ea1t l\u1edf \u0111\u1ea5t, n\u01a1i m\u00e0 kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc v\u00e0 ng\u0103n l\u0169 l\u00e0 thi\u1ebft y\u1ebfu do nh\u1eefng khu v\u1ef1c c\u00f3 \u0111\u1ecba h\u00ecnh d\u1ed1c v\u00e0 m\u01b0a l\u1edbn; \u0111i\u1ec3n h\u00ecnh nh\u01b0 khu v\u1ef1c c\u00e1c t\u1ec9nh mi\u1ec1n n\u00fai ph\u00eda B\u1eafc v\u00e0 T\u00e2y Nguy\u00ean c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7, \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 ng\u0103n ch\u1eb7n l\u0169 qu\u00e9t v\u00e0 d\u00f2ng ch\u1ea3y b\u1ec1 m\u1eb7t g\u00e2y x\u00f3i m\u00f2n, tr\u01b0\u1ee3t \u0111\u1ea5t. \u1ede c\u00e1c v\u00f9ng duy\u00ean h\u1ea3i, \u0111\u1eb7c bi\u1ec7t l\u00e0 khu v\u1ef1c mi\u1ec1n Trung, vi\u1ec7c quy ho\u1ea1ch c\u00e1c khu r\u1eebng ph\u00f2ng h\u1ed9 ch\u1eafn gi\u00f3, ch\u1eafn s\u00f3ng l\u00e0 c\u0169ng r\u1ea5t quan tr\u1ecdng do nh\u1eefng khu v\u1ef1c n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u1ed1i m\u1eb7t v\u1edbi b\u00e3o l\u1edbn m\u00e0 c\u00f2n ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng x\u00f3i l\u1edf b\u1edd bi\u1ec3n. C\u00e1c khu r\u1eebng ph\u00f2ng h\u1ed9 n\u00e0y \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 theo tuy\u1ebfn d\u00e0i d\u1ecdc b\u1edd bi\u1ec3n, t\u1ea1o th\u00e0nh h\u00e0ng r\u00e0o t\u1ef1 nhi\u00ean \u0111\u1ec3 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a gi\u00f3 b\u00e3o, s\u00f3ng bi\u1ec3n v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng s\u1ed1ng.<\/p>\n\n\n\n

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 <\/strong>\u201cH\u00e0ng r\u00e0o t\u1ef1 nhi\u00ean\u201d b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng s\u1ed1ng<\/em><\/figcaption><\/figure>\n\n\n\n

Th\u1ee9 hai, ch\u1ecdn lo\u00e0i c\u00e2y tr\u1ed3ng trong r\u1eebng ph\u00f2ng h\u1ed9 c\u1ea7n t\u1eadp trung ch\u1ecdn t\u1ea1o c\u00e1c gi\u1ed1ng c\u00e2y b\u1ea3n \u0111\u1ecba, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng lo\u00e0i c\u00e2y c\u00f3 h\u1ec7 r\u1ec5 ph\u00e1t tri\u1ec3n m\u1ea1nh, ch\u1ecbu \u0111\u01b0\u1ee3c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t nh\u01b0 gi\u00f3 b\u00e3o, m\u01b0a l\u1edbn. Nh\u1eefng lo\u00e0i c\u00e2y b\u1ea3n \u0111\u1ecba \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng th\u00edch nghi t\u1ed1t v\u1edbi m\u00f4i tr\u01b0\u1eddng, g\u00f3p ph\u1ea7n gia t\u0103ng t\u00ednh \u0111a d\u1ea1ng sinh h\u1ecdc c\u1ee7a h\u1ec7 sinh th\u00e1i r\u1eebng t\u1ef1 nhi\u00ean. \u0110\u1ed1i v\u1edbi r\u1eebng ph\u00f2ng h\u1ed9 \u0111\u1ea7u ngu\u1ed3n, \u01b0u ti\u00ean l\u1ef1a ch\u1ecdn c\u00e1c lo\u00e0i c\u00e2y nhi\u1ec7t \u0111\u1edbi c\u00f3 ph\u00e2n b\u1ed1 t\u1ef1 nhi\u00ean r\u1ed9ng, c\u00f3 h\u1ec7 r\u1ec5 s\u00e2u v\u00e0 kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc t\u1ed1t. \u1ede v\u00f9ng duy\u00ean h\u1ea3i, l\u1ef1a ch\u1ecdn c\u00e1c lo\u00e0i c\u00e2y ch\u1eafn gi\u00f3, s\u00f3ng bi\u1ec3n \u0111\u1ea3m b\u1ea3o t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu v\u1edbi m\u01b0a b\u00e3o, s\u00f3ng bi\u1ec3n l\u1edbn.<\/p>\n\n\n\n

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Tr\u1ed3ng r\u1eebng ph\u00f2ng h\u1ed9 \u0111\u1ea7u ngu\u1ed3n c\u1ea7n \u01b0u ti\u00ean l\u1ef1a ch\u1ecdn c\u00e1c lo\u00e0i c\u00e2y b\u1ea3n \u0111\u1ecba, c\u00f3 h\u1ec7 r\u1ec5 ph\u00e1t tri\u1ec3n m\u1ea1nh<\/em><\/figcaption><\/figure>\n\n\n\n

Th\u1ee9 ba, c\u1ea5u tr\u00fac t\u1ef1 nhi\u00ean r\u1eebng ph\u00f2ng h\u1ed9 n\u00ean \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng theo m\u00f4 h\u00ecnh \u0111a t\u1ea7ng, \u0111a lo\u00e0i nh\u1eb1m t\u1ed1i \u01b0u h\u00f3a c\u00e1c ch\u1ee9c n\u0103ng sinh th\u00e1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u1ea3 n\u0103ng l\u01b0u gi\u1eef n\u01b0\u1edbc v\u00e0 h\u1ea1n ch\u1ebf x\u00f3i m\u00f2n \u0111\u1ea5t. \u1ede c\u00e1c khu v\u1ef1c r\u1eebng ph\u00f2ng h\u1ed9 \u0111\u1ea7u ngu\u1ed3n, c\u1ea7n t\u1ea1o c\u00e1c l\u1edbp r\u1eebng v\u1edbi t\u1ea7ng c\u00e2y cao k\u1ebft h\u1ee3p v\u1edbi c\u00e1c c\u00e2y t\u1ea7m trung v\u00e0 c\u00e2y b\u1ee5i \u1edf t\u1ea7ng d\u01b0\u1edbi.<\/p>\n\n\n\n

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M\u00f4 h\u00ecnh \u0111a t\u1ea7ng, \u0111a lo\u00e0i nh\u1eb1m t\u1ed1i \u01b0u h\u00f3a c\u00e1c ch\u1ee9c n\u0103ng sinh th\u00e1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u1ea3 n\u0103ng l\u01b0u gi\u1eef n\u01b0\u1edbc c\u1ee7a r\u1eebng<\/em><\/p><\/figcaption><\/figure>\n\n\n\n

\u0110\u1ed1i v\u1edbi r\u1eebng ch\u1eafn gi\u00f3, ch\u1eafn s\u00f3ng c\u1ea7n t\u1eadp trung x\u00e2y d\u1ef1ng c\u00e1c d\u1ea3i r\u1eebng d\u00e0y v\u00e0 ch\u1eb7t v\u1edbi c\u00e1c lo\u00e0i c\u00e2y c\u00f3 th\u00e2n c\u1ee9ng, ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c c\u1ee7a gi\u00f3 m\u1ea1nh, s\u00f3ng t\u1ea1o th\u00e0nh b\u1ee9c t\u01b0\u1eddng ch\u1eafn t\u1ef1 nhi\u00ean b\u1ea3o v\u1ec7 \u0111\u1ea5t \u0111ai, m\u00f9a m\u00e0ng v\u00e0 c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng. Ngo\u00e0i ra, vi\u1ec7c tr\u1ed3ng xen k\u1ebd c\u00e1c lo\u00e0i c\u00e2y g\u1ed7 l\u1edbn v\u00e0 c\u00e2y b\u1ee5i c\u00f3 th\u1ec3 gi\u00fap t\u1ea1o n\u00ean m\u1ed9t h\u1ec7 sinh th\u00e1i \u0111a t\u1ea7ng, gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecdi v\u1edbi \u0111i\u1ec1u ki\u1ec7n thi\u00ean nhi\u00ean kh\u1eafc nghi\u1ec7t v\u00e0 duy tr\u00ec s\u1ef1 b\u1ec1n v\u1eefng l\u00e2u d\u00e0i cho r\u1eebng ph\u00f2ng h\u1ed9.<\/p>\n\n\n\n

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Nh\u1eefng d\u1ea3i r\u1eebng ng\u1eadp m\u1eb7n d\u00e0y v\u00e0 ch\u1eb7t c\u00f3 t\u00e1c d\u1ee5ng ch\u1eafn gi\u00f3, ch\u1eafn s\u00f3ng<\/em><\/figcaption><\/figure>\n\n\n\n

Th\u1ee9 t\u01b0, t\u1ed5 ch\u1ee9c ph\u00e2n b\u1ed1 kh\u00f4ng gian r\u1eebng ph\u00f2ng h\u1ed9 c\u1ea7n \u0111\u1ea3m b\u1ea3o t\u00ednh k\u1ebft n\u1ed1i li\u00ean t\u1ee5c gi\u1eefa c\u00e1c khu r\u1eebng, t\u1ea1o ra nh\u1eefng h\u00e0nh lang sinh th\u00e1i gi\u00fap b\u1ea3o v\u1ec7 to\u00e0n di\u1ec7n h\u1ec7 sinh th\u00e1i. C\u00e1c khu v\u1ef1c ph\u00f2ng h\u1ed9 \u0111\u1ea7u ngu\u1ed3n c\u1ea7n \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi c\u00e1c khu r\u1eebng ven s\u00f4ng, t\u1ea1o n\u00ean m\u1ea1ng l\u01b0\u1edbi r\u1eebng b\u1ea3o v\u1ec7 li\u00ean ho\u00e0n nh\u1eb1m t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 \u0111i\u1ec1u ti\u1ebft n\u01b0\u1edbc v\u00e0 ng\u0103n ng\u1eeba s\u1ea1t l\u1edf. \u1ede c\u00e1c v\u00f9ng duy\u00ean h\u1ea3i, r\u1eebng ch\u1eafn gi\u00f3, ch\u1eafn s\u00f3ng c\u1ea7n \u01b0u ti\u00ean b\u1ed1 tr\u00ed d\u1ecdc theo c\u00e1c tuy\u1ebfn b\u1edd bi\u1ec3n v\u00e0 khu v\u1ef1c c\u00f3 nguy c\u01a1 cao v\u1ec1 x\u00e2m nh\u1eadp m\u1eb7n v\u1edbi ph\u00e2n b\u1ed1 h\u1ee3p l\u00fd \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 ch\u1eafn gi\u00f3 v\u00e0 b\u1ea3o v\u1ec7 b\u1edd bi\u1ec3n kh\u1ecfi x\u00f3i l\u1edf.<\/p>\n\n\n\n

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R\u1eebng phi lao g\u00f3p ph\u1ea7n b\u1ea3o v\u1ec7 b\u1edd bi\u1ec3n<\/em><\/figcaption><\/figure>\n\n\n\n

Ngo\u00e0i ra, c\u00f4ng t\u00e1c l\u00e0m gi\u00e0u r\u1eebng ph\u00f2ng h\u1ed9 c\u1ea7n \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y th\u00f4ng qua vi\u1ec7c tr\u1ed3ng b\u1ed5 sung c\u00e1c lo\u00e0i c\u00e2y b\u1ea3n \u0111\u1ecba k\u1ebft h\u1ee3p v\u1edbi khoanh nu\u00f4i x\u00fac ti\u1ebfn t\u00e1i sinh t\u1ef1 nhi\u00ean nh\u1eb1m ph\u1ee5c h\u1ed3i nh\u1eefng khu v\u1ef1c r\u1eebng b\u1ecb suy tho\u00e1i v\u00e0 t\u0103ng c\u01b0\u1eddng t\u00ednh \u0111a d\u1ea1ng sinh h\u1ecdc, qua \u0111\u00f3 c\u1ea3i thi\u1ec7n c\u1ea5u tr\u00fac r\u1eebng v\u00e0 n\u00e2ng cao kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 \u0111\u1ea5t, ng\u0103n ch\u1eb7n l\u0169 l\u1ee5t v\u00e0 s\u1ea1t l\u1edf.<\/p>\n\n\n\n

B\u00e0i h\u1ecdc t\u1eeb s\u1ef1 ki\u00ean nh\u1eabn v\u00e0 s\u1ef1 h\u00f2a h\u1ee3p v\u1edbi thi\u00ean nhi\u00ean m\u00e0 r\u1eebng \u0111a t\u1ea7ng t\u00e1n mang l\u1ea1i ch\u00ednh l\u00e0 minh ch\u1ee9ng v\u1ec1 tr\u00ed tu\u1ec7 v\u00e0 s\u1ef1 hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc m\u00e0 ch\u00fang ta c\u1ea7n tr\u00e2n tr\u1ecdng. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o ngu\u1ed3n s\u1ed1ng b\u1ec1n v\u1eefng cho c\u00e1c th\u1ebf h\u1ec7 mai sau, vi\u1ec7c b\u1ea3o t\u1ed3n v\u00e0 ph\u1ee5c h\u1ed3i c\u00e1c h\u1ec7 sinh th\u00e1i r\u1eebng \u0111a t\u1ea7ng t\u00e1n l\u00e0 nhi\u1ec7m v\u1ee5 c\u1ea5p b\u00e1ch v\u00e0 thi\u1ebft y\u1ebfu. Ch\u00fang ta c\u1ea7n chung tay h\u00e0nh \u0111\u1ed9ng, b\u1ea3o v\u1ec7 r\u1eebng v\u00e0 duy tr\u00ec s\u1ef1 c\u00e2n b\u1eb1ng t\u1ef1 nhi\u00ean, kh\u00f4ng ch\u1ec9 v\u00ec l\u1ee3i \u00edch c\u1ee7a hi\u1ec7n t\u1ea1i m\u00e0 c\u00f2n v\u00ec t\u01b0\u01a1ng lai cho c\u00e1c th\u1ebf h\u1ec7 mai sau.<\/p>\n\n\n\n

Ngu\u1ed3n: Tr\u1ea7n Quang B\u1ea3o & Ph\u1ea1m Duy Long – cuclamnghiep.gov.vn<\/p>\n","protected":false},"excerpt":{"rendered":"

VAI TR\u00d2 C\u1ee6A R\u1eeaNG R\u1eebng c\u00f3 hai gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t, \u0111\u00f3 l\u00e0 gi\u00e1 tr\u1ecb kinh t\u1ebf v\u00e0 gi\u00e1 tr\u1ecb m\u00f4i tr\u01b0\u1eddng. Gi\u00e1 tr\u1ecb kinh t\u1ebf c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y th\u00f4ng qua vi\u1ec7c cung c\u1ea5p g\u1ed7 v\u00e0 l\u00e2m s\u1ea3n ngo\u00e0i g\u1ed7. Trong khi \u0111\u00f3, gi\u00e1 tr\u1ecb m\u00f4i tr\u01b0\u1eddng th\u00f4ng qua t\u00e1c d\u1ee5ng […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[29],"tags":[30,23,32],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":1510,"url":"https:\/\/mtnongnghiep.com\/index.php\/2022\/07\/12\/vai-tro-va-cac-bien-phap-bao-ve-rung-phong-ho\/","url_meta":{"origin":2461,"position":0},"title":"Vai tr\u00f2 v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 r\u1eebng ph\u00f2ng h\u1ed9.","date":"July 12, 2022","format":false,"excerpt":"R\u1eebng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong \u0111\u1eddi s\u1ed1ng c\u1ee7a ch\u00fang ta, g\u1ea7n g\u0169i v\u1edbi b\u1ea5t c\u1ee9 ai. 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