{"id":9908,"date":"2012-12-10T08:03:17","date_gmt":"2012-12-10T01:03:17","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/12\/nghien-cuu-dac-diem-dat-dai-tai-khu-vuc-loai-truc-den-phyllostachys-nigra-munro-phan-bo-tai-sa-pa-lao-cai\/"},"modified":"2015-05-19T12:18:23","modified_gmt":"2015-05-19T05:18:23","slug":"nghien-cuu-dac-diem-dat-dai-tai-khu-vuc-loai-truc-den-phyllostachys-nigra-munro-phan-bo-tai-sa-pa-lao-cai","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-dac-diem-dat-dai-tai-khu-vuc-loai-truc-den-phyllostachys-nigra-munro-phan-bo-tai-sa-pa-lao-cai\/","title":{"rendered":"Nghi\u00ean c\u1ee9u \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1ea5t \u0111ai t\u1ea1i khu v\u1ef1c lo\u00e0i Tr\u00fac \u0111en (Phyllostachys nigra Munro) ph\u00e2n b\u1ed1 t\u1ea1i Sa Pa, L\u00e0o Cai"},"content":{"rendered":"

Ph\u1ea1m Th\u00e0nh Trang, Nguy\u1ec5n Th\u1ecb Thu, B\u00f9i \u0110\u00ecnh \u0110\u1ee9c<\/strong><\/p>\n

Khoa Qu\u1ea3n l\u00fd TNR&MT – \u0110\u1ea1i h\u1ecdc L\u00e2m nghi\u1ec7p<\/em><\/p>\n

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

\u0110\u1eb7c \u0111i\u1ec3m \u0111\u1ea5t t\u1ea1i B\u1ea3n Khoang v\u00e0 T\u1ea3 Van c\u00f3 t\u00ednh ch\u1ea5t \u0111\u1ea5t g\u1ea7n gi\u1ed1ng nhau. \u0110\u1ed9 \u1ea9m \u0111\u1ea5t l\u00e0 nh\u01b0 nhau. H\u00e0m l\u01b0\u1ee3ng m\u00f9n trong \u0111\u1ea5t c\u1ee7a x\u00e3 T\u1ea3 Van l\u00e0 8,26% cao h\u01a1n \u01a1\u0309 x\u00e3 B\u1ea3n Khoang (l\u00e0 3,5%). H\u00e0m l\u01b0\u1ee3ng \u0111\u1ea1m d\u1ec5 ti\u00eau trong \u0111\u1ea5t c\u1ee7a T\u1ea3 Van l\u00e0 2,58 cao h\u01a1n \u01a1\u0309 x\u00e3 B\u1ea3n Khoang (l\u00e0 1,04). Ngo\u00e0i ra, c\u00e1c s\u1ed1 li\u1ec7u kh\u1ea3o s\u00e1t cho th\u1ea5y \u0111\u1ea5t \u1edf khu v\u1ef1c x\u00e3 T\u1ea3 Van c\u00f3 Tr\u00fac \u0111en ph\u00e2n b\u1ed1 t\u1ed1t h\u01a1n \u0111\u1ea5t \u1edf khu v\u1ef1c x\u00e3 B\u1ea3n Khoang. T\u1eeb \u0111\u00f3 th\u1ea5y r\u1eb1ng, y\u1ebfu t\u1ed1 \u0111\u1ea5t \u0111ai c\u0169ng g\u00f3p ph\u1ea7n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ecnh h\u00ecnh sinh tr\u01b0\u1edfng c\u1ee7a Tr\u00fac \u0111en t\u1ea1i khu v\u1ef1c nghi\u00ean c\u1ee9u.<\/p>\n

T\u1eeb kh\u00f3a:<\/strong> \u0110\u1ea5t \u0111ai, Tr\u00fac \u0111en<\/p>\n

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

\u1ede Vi\u1ec7t Nam, tre tr\u00fac l\u00e0 lo\u00e0i c\u00e2y c\u00f3 gi\u00e1 tr\u1ecb to l\u1edbn v\u1ec1 nhi\u1ec1u m\u1eb7t, c\u1ea3 v\u1ec1 kinh t\u1ebf, x\u00e3 h\u1ed9i v\u00e0 v\u0103n ho\u00e1. Tre tr\u00fac l\u00e0 nh\u00f3m l\u00e2m s\u1ea3n ngo\u00e0i g\u1ed7 c\u00f3 th\u1ec3 x\u1ebfp th\u1ee9 hai sau g\u1ed7. Trong nhi\u1ec1u n\u0103m qua \u0111\u00e3 c\u00f3 nhi\u1ec1u nghi\u00ean c\u1ee9u \u0111\u1ec3 ph\u00e1t tri\u1ec3n ngu\u1ed3n nguy\u00ean li\u1ec7u tre tr\u00fac. Tuy nhi\u00ean nh\u1eefng nghi\u00ean c\u1ee9u \u0111\u00f3 ch\u1ec9 t\u1eadp trung v\u00e0o nh\u1eefng lo\u00e0i c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf cao, m\u1ed9t s\u1ed1 lo\u00e0i v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u, t\u00ecm hi\u00ea\u0309u s\u00e2u. \u0110\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng lo\u00e0i c\u00f3 ph\u1ea1m vi ph\u00e2n b\u1ed1 h\u1eb9p, di\u1ec7n t\u00edch c\u00f2n r\u1ea5t \u00edt nh\u01b0ng l\u1ea1i c\u00f3 gi\u00e1 tr\u1ecb cao v\u1ec1 khoa h\u1ecdc, b\u1ea3o ngu\u1ed3n gen,\u2026 Tr\u00fac \u0111en (Phyllostachys nigra <\/em>Munro) l\u00e0 m\u1ed9t trong s\u1ed1 \u0111\u00f3.<\/p>\n

Trong S\u00e1ch \u0111\u1ecf Vi\u1ec7t Nam n\u0103m 1996 v\u00e0 n\u0103m 2007 c\u1ee7a B\u1ed9 Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 v\u00e0 M\u00f4i tr\u01b0\u1eddng, lo\u00e0i Tr\u00fac \u0111en (Phyllostachys nigra<\/em>Munro, 1868) m\u1edbi\u0111\u01b0\u1ee3cph\u00e1thi\u1ec7nv\u00e0\u0111emtr\u1ed3ng l\u00e0m c\u1ea3nh\u1edfVi\u1ec7tNamtrongm\u1ed9t s\u1ed1n\u0103m g\u1ea7n\u0111\u00e2y. Tr\u00fac \u0111en c\u00f3 d\u00e1ng, m\u00e0us\u1eafc\u0111\u1eb9p, l\u1ea1n\u00ean \u0111\u00e3 v\u00e0 \u0111ang tr\u1edfth\u00e0nhm\u1ed9t c\u00e2y c\u1ea3nhtri\u1ec3nv\u1ecdng. Tr\u00fac\u0111enl\u00e0lo\u00e0ihi\u1ebfm,s\u1ed1l\u01b0\u1ee3ngc\u00e2y\u00edt,v\u00f9ng ph\u00e2n b\u1ed1h\u1eb9p (ch\u1ec9 t\u1eadp trung \u1edf \u0111\u1ed9 cao kho\u1ea3ng 1.200m tr\u1edf l\u00ean \u1edf L\u00e0o Cai (Sa Pa) v\u00e0 H\u00e0 Giang (\u0110\u1ed3ng V\u0103n: Qu\u1ea3n Dz\u00ed Ng\u00e0i; M\u00e8o V\u1ea1c), mi\u1ec1n Nam Vi\u1ec7t Nam,c\u00f3\u00fdngh\u0129akhoah\u1ecdc, c\u1ea7n\u0111\u01b0\u1ee3c b\u1ea3ot\u1ed3nngu\u1ed3ngen. T\u00ecnh tr\u1ea1ng b\u1ea3o t\u1ed3n thu\u1ed9c ph\u00e2n h\u1ea1ng VU a1a (s\u1ebd nguy c\u1ea5p).<\/p>\n

Tr\u00fac \u0111en ph\u00e2n b\u1ed1 \u1edf hai x\u00e3 B\u1ea3n Khoang v\u00e0 T\u1ea3 Van, huy\u1ec7n Sa Pa, t\u1ec9nh L\u00e0o Cai (l\u00e0 v\u00f9ng \u0111\u1ec7m c\u1ee7a VQG Ho\u00e0ng Li\u00ean) v\u00e0 Khu b\u1ea3o t\u1ed3n thi\u00ean nhi\u00ean B\u00e1t \u0110\u1ea1i S\u01a1n (H\u00e0 Giang), ng\u01b0\u1eddi d\u00e2n \u0111\u1ecba ph\u01b0\u01a1ng \u0111\u00e3 v\u00e0 \u0111ang khai th\u00e1c v\u1edbi m\u1ee5c \u0111\u00edch l\u00e0m c\u1ea3nh, l\u00e0m thu\u1ed1c v\u00e0 th\u1ee9c \u0103n n\u00ean di\u1ec7n t\u00edch Tr\u00fac \u0111en suy gi\u1ea3m m\u1ea1nh c\u1ea3 v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng (kho\u1ea3ng 700m2<\/sup>). \u0110\u1eb7c bi\u1ec7t, ng\u01b0\u1eddi d\u00e2n ch\u01b0a quan t\u00e2m \u0111\u1ebfn vi\u1ec7c g\u00e2y tr\u1ed3ng, m\u1edf r\u1ed9ng di\u1ec7n t\u00edch ph\u1ee5c v\u1ee5 m\u1ee5c \u0111\u00edch kinh t\u1ebf v\u00e0 b\u1ea3o t\u1ed3n lo\u00e0i. Nghi\u00ean c\u1ee9u v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1ea5t \u0111ai khu v\u1ef1c c\u00f3 Tr\u00fac \u0111en ph\u00e2n b\u1ed1 l\u00e0 r\u1ea5t c\u1ea5p thi\u1ebft; \u0111\u00f3ng g\u00f3p nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch trong vi\u1ec7c g\u00e2y tr\u1ed3ng v\u00e0 \u0111\u1ecbnh h\u01b0\u1edbng n\u01a1i tr\u1ed3ng th\u00edch h\u1ee3p ph\u1ee5c v\u1ee5 c\u00f4ng t\u00e1c b\u1ea3o t\u1ed3n ngo\u1ea1i vi lo\u00e0i th\u1ef1c v\u1eadt \u0111\u1eb7c h\u1eefu qu\u00fd hi\u1ebfm n\u00e0y.<\/p>\n","protected":false},"excerpt":{"rendered":"

<\/p>\n

\n\u1ede
\nVi\u1ec7t Nam,
\ntre trúc là loài cây có giá tr\u1ecb to l\u1edbn v\u1ec1 nhi\u1ec1u m\u1eb7t, c\u1ea3 v\u1ec1 kinh t\u1ebf, xã h\u1ed9i và
\nv\u0103n hoá. Tre trúc là nhóm lâm s\u1ea3n ngoài g\u1ed7 có th\u1ec3 x\u1ebfp th\u1ee9 hai sau g\u1ed7. Trong
\nnhi\u1ec1u n\u0103m qua \u0111ã có nhi\u1ec1u nghiên c\u1ee9u \u0111\u1ec3 phát tri\u1ec3n ngu\u1ed3n nguyên li\u1ec7u tre trúc.
\nTuy nhiên nh\u1eefng nghiên c\u1ee9u \u0111ó ch\u1ec9 t\u1eadp trung vào nh\u1eefng loài có giá tr\u1ecb kinh t\u1ebf
\ncao, m\u1ed9t s\u1ed1 loài v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c nghiên c\u1ee9u, tìm hiê\u0309u sâu. \u0110\u1eb7c bi\u1ec7t là nh\u1eefng
\nloài có ph\u1ea1m vi phân b\u1ed1 h\u1eb9p, di\u1ec7n tích còn r\u1ea5t ít nh\u01b0ng l\u1ea1i có giá tr\u1ecb cao v\u1ec1
\nkhoa h\u1ecdc, b\u1ea3o ngu\u1ed3n gen,… Trúc \u0111en (Phyllostachys
\nnigra <\/em>Munro) là m\u1ed9t trong s\u1ed1 \u0111ó.<\/span>\n<\/p>\n

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