{"id":9070,"date":"2009-04-20T08:29:07","date_gmt":"2009-04-20T01:29:07","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/04\/danh-gia-do-thich-hop-gay-trong-sao-den-hopea-odorata-o-vung-dong-nam-bo\/"},"modified":"2013-10-06T09:01:16","modified_gmt":"2013-10-06T02:01:16","slug":"danh-gia-do-thich-hop-gay-trong-sao-den-hopea-odorata-o-vung-dong-nam-bo","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/danh-gia-do-thich-hop-gay-trong-sao-den-hopea-odorata-o-vung-dong-nam-bo\/","title":{"rendered":"\u0110\u00e1nh gi\u00e1 \u0111\u1ed9 th\u00edch h\u1ee3p g\u00e2y tr\u1ed3ng Sao \u0111en (Hopea odorata) \u1edf v\u00f9ng \u0110\u00f4ng Nam B\u1ed9"},"content":{"rendered":"\n

Ng\u00f4 \u0110\u00ecnh Qu\u1ebf<\/strong> <\/p>\n

Trung t\u00e2m Nghi\u00ean c\u1ee9u Sinh th\u00e1i v\u00e0 M\u00f4i tr\u01b0\u1eddng r\u1eebng<\/em> <\/p>\n

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

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

Tr\u00ean c\u01a1 s\u1edf c\u00e1c k\u1ebft qu\u1ea3 \u0111i\u1ec1u tra, kh\u1ea3o s\u00e1t, nghi\u00ean c\u1ee9u v\u1ec1 \u0111i\u1ec1u ki\u1ec7n t\u1ef1 nhi\u00ean, t\u00ednh ch\u1ea5t \u0111\u1ea5t d\u01b0\u1edbi r\u1eebng t\u1ef1 nhi\u00ean v\u00e0 r\u1eebng tr\u1ed3ng Sao \u0111en (Hopea odorata)<\/em> t\u1ea1i v\u00f9ng \u0110\u00f4ng Nam B\u1ed9, \u0111\u1ec1 t\u00e0i \u0111\u00e3 b\u01b0\u1edbc \u0111\u1ea7u \u0111\u00e1nh gi\u00e1 \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 \u0111\u1ea5t \u0111ai c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn sinh tr\u01b0\u1edfng, ph\u00e1t tri\u1ec3n c\u1ee7a Sao \u0111en v\u00e0 t\u1eeb \u0111\u00f3 \u0111\u1ec1 xu\u1ea5t ti\u00eau chu\u1ea9n ph\u00e2n chia \u0111\u1ed9 th\u00edch h\u1ee3p c\u00e2y tr\u1ed3ng l\u00e0m c\u01a1 s\u1edf cho vi\u1ec7c g\u00e2y tr\u1ed3ng v\u00e0 ph\u1ee5c h\u1ed3i r\u1eebng Sao \u0111en \u1edf v\u00f9ng \u0110\u00f4ng Nam B\u1ed9. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho th\u1ea5y: v\u00f9ng th\u00edch h\u1ee3p c\u00e2y Sao \u0111en \u1edf \u0110\u00f4ng Nam B\u1ed9 th\u00ec di\u1ec7n t\u00edch \u0111\u1ea5t r\u1ea5t th\u00edch h\u1ee3p cho c\u00e2y Sao \u0111en l\u00e0 29,57%;di\u1ec7n t\u00edch th\u00edch h\u1ee3p l\u00e0 66,33%, di\u1ec7n t\u00edch \u00edt th\u00edch h\u1ee3p v\u00e0 kh\u00f4ng th\u00edch h\u1ee3p r\u1ea5t th\u1ea5p (3,97% v\u00e0 0,13%), c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng \u0111\u00e2y l\u00e0 v\u00f9ng th\u00edch h\u1ee3p nh\u1ea5t \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e2y Sao \u0111en \u1edf n\u01b0\u1edbc ta. <\/p>\n

T\u1eeb kho\u00e1:<\/strong><\/em>\u0110\u1ed9 th\u00edch h\u1ee3p c\u00e2y tr\u1ed3ng, Sao \u0111en <\/p>\n

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

R\u1eebng c\u00e2y h\u1ecd D\u1ea7u (Dipterocarpus) <\/em>trong \u0111\u00f3 c\u00f3 Sao \u0111en (Hopea odorata) <\/em>l\u00e0 lo\u00e0i c\u00e2y quan tr\u1ecdng, c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf cao, ph\u00e2n b\u1ed1 ch\u1ee7 y\u1ebfu \u1edf v\u00f9ng nhi\u1ec7t \u0111\u1edbi \u1ea9m gi\u00f3 m\u00f9a \u1edf \u0110\u00f4ng Nam \u00c1, Malaysia, In\u0111\u00f4n\u00easia, \u1ea5n \u0110\u1ed9, Th\u00e1i Lan, Myanma, Vi\u1ec7t Nam, Nam Trung Qu\u1ed1c\u2026\u1ede Vi\u1ec7t Nam, c\u00e2y h\u1ecd D\u1ea7u ph\u00e2n b\u1ed1 r\u1ea3i r\u00e1c xu\u1ea5t hi\u1ec7n t\u1eeb T\u00e2y B\u1eafc, T\u00e2y Nguy\u00ean v\u00e0 h\u1ed9i t\u1ee5 \u1edf v\u00f9ng \u0110\u00f4ng Nam B\u1ed9 kh\u00e1 t\u1eadp trung v\u1ec1 s\u1ed1 lo\u00e0i (36 trong t\u1ed5ng s\u1ed1 42 lo\u00e0i) h\u00ecnh th\u00e0nh c\u00e1c ki\u1ec3u l\u00e1 r\u1ed9ng th\u01b0\u1eddng xanh, l\u00e1 r\u1ed9ng n\u1eeda r\u1ee5ng l\u00e1, \u01b0u th\u1ebf h\u1ecd D\u1ea7u. Trong nhi\u1ec1u n\u0103m, qua di\u1ec7n t\u00edch r\u1eebng c\u00e2y h\u1ecd D\u1ea7u b\u1ecb suy gi\u1ea3m \u0111\u00e1ng k\u1ec3 do nhi\u1ec1u nguy\u00ean nh\u00e2n kh\u00e1c nhau. \u0110\u1ec3 nhanh ch\u00f3ng ph\u1ee5c h\u1ed3i l\u1ea1i r\u1eebng c\u00e2y h\u1ecd D\u1ea7u, c\u1ea7n thi\u1ebft ph\u1ea3i ti\u1ebfn h\u00e0nh ph\u00e2n chia m\u1ee9c \u0111\u1ed9 th\u00edch h\u1ee3p c\u00e2y tr\u1ed3ng nh\u1eb1m ph\u1ee5c v\u1ee5 cho quy ho\u1ea1ch v\u00f9ng tr\u1ed3ng h\u1ee3p l\u00fd. <\/p>\n

C\u1eadp nh\u1eadt t\u1ea1i \u0111\u00e2y<\/a><\/strong> <\/p>\n","protected":false},"excerpt":{"rendered":"

\n \n<\/p>\n

\nTrên c\u01a1 s\u1edf các k\u1ebft qu\u1ea3 \u0111i\u1ec1u tra, kh\u1ea3o sát, nghiên c\u1ee9u v\u1ec1 \u0111i\u1ec1u ki\u1ec7n t\u1ef1 nhiên, tính ch\u1ea5t \u0111\u1ea5t d\u01b0\u1edbi r\u1eebng t\u1ef1 nhiên và r\u1eebng tr\u1ed3ng Sao \u0111en (Hopea odorata)<\/em> t\u1ea1i vùng \u0110ông Nam B\u1ed9, \u0111\u1ec1 tài \u0111ã b\u01b0\u1edbc \u0111\u1ea7u \u0111ánh giá \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 \u0111\u1ea5t \u0111ai có \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn sinh tr\u01b0\u1edfng, phát tri\u1ec3n c\u1ee7a Sao \u0111en và t\u1eeb \u0111ó \u0111\u1ec1 xu\u1ea5t tiêu chu\u1ea9n phân chia \u0111\u1ed9 thích h\u1ee3p cây tr\u1ed3ng làm c\u01a1 s\u1edf cho vi\u1ec7c gây tr\u1ed3ng và ph\u1ee5c h\u1ed3i r\u1eebng Sao \u0111en \u1edf vùng \u0110ông Nam B\u1ed9. K\u1ebft qu\u1ea3 nghiên c\u1ee9u cho th\u1ea5y: vùng thích h\u1ee3p cây Sao \u0111en \u1edf \u0110ông Nam B\u1ed9 thì di\u1ec7n tích \u0111\u1ea5t r\u1ea5t thích h\u1ee3p cho cây Sao \u0111en là 29,57%;  <\/span>di\u1ec7n tích thích h\u1ee3p là 66,33%, di\u1ec7n tích ít thích h\u1ee3p và không thích h\u1ee3p r\u1ea5t th\u1ea5p (3,97% và 0,13%), có th\u1ec3 th\u1ea5y r\u1eb1ng \u0111ây là vùng thích h\u1ee3p nh\u1ea5t \u0111\u1ec3 phát tri\u1ec3n cây Sao \u0111en \u1edf n\u01b0\u1edbc ta.<\/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\/9070"}],"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=9070"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9070\/revisions"}],"predecessor-version":[{"id":10524,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9070\/revisions\/10524"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9070"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9070"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9070"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}