{"id":9085,"date":"2009-04-20T08:33:22","date_gmt":"2009-04-20T01:33:22","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/04\/mot-so-dac-diem-lam-hoc-cua-cay-cho-chi-parashore-chinensis-wang-hsie-tai-vuon-quoc-gia-xuan-son-phu-tho\/"},"modified":"2013-10-06T09:01:18","modified_gmt":"2013-10-06T02:01:18","slug":"mot-so-dac-diem-lam-hoc-cua-cay-cho-chi-parashore-chinensis-wang-hsie-tai-vuon-quoc-gia-xuan-son-phu-tho","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/mot-so-dac-diem-lam-hoc-cua-cay-cho-chi-parashore-chinensis-wang-hsie-tai-vuon-quoc-gia-xuan-son-phu-tho\/","title":{"rendered":"M\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m l\u00e2m h\u1ecdc c\u1ee7a c\u00e2y Ch\u00f2 ch\u1ec9 (Parashore chinensis Wang Hsie) t\u1ea1i V\u01b0\u1eddn qu\u1ed1c gia Xu\u00e2n S\u01a1n – Ph\u00fa Th\u1ecd"},"content":{"rendered":"\n

\u0110o\u00e0n \u0110\u00ecnh Tam<\/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

Ch\u00f2 ch\u1ec9 (Parashorea chinensis<\/em> Wang Hsie) l\u00e0 c\u00e2y g\u1ed7 l\u1edbn c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf v\u00e0 gi\u00e1 tr\u1ecb \u0111a d\u1ea1ng sinh h\u1ecdc cao, c\u00f3 t\u00ean trong s\u00e1ch \u0111\u1ecf c\u1ee7a Vi\u1ec7t Nam, \u0111ang c\u00f3 nguy c\u01a1 b\u1ecb tuy\u1ec7t ch\u1ee7ng cao v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o t\u1ed3n. Ch\u00f2 ch\u1ec9 c\u00f3 bi\u00ean \u0111\u1ed9 sinh th\u00e1i h\u1eb9p, th\u00edch h\u1ee3p v\u1edbi c\u1ea3 lo\u1ea1i \u0111\u1ea5t Feralit v\u00e0ng n\u00e2u ho\u1eb7c v\u00e0ng \u0111\u1ecf v\u00e0 c\u00f3 th\u1ec3 s\u1ed1ng th\u00e0nh qu\u1ea7n th\u1ee5 r\u1eebng v\u00e0 trong h\u1ec7 sinh th\u00e1i \u0111\u00f3, ch\u00fang c\u00f3 th\u1ec3 c\u00f3 nh\u1eefng vai tr\u00f2 kh\u00e1c nhau tr\u00ean nh\u1eefng l\u1eadp \u0111\u1ecba kh\u00e1c nhau. Hi\u1ec7n nay, Ch\u00f2 ch\u1ec9 \u0111ang b\u1ecb khai th\u00e1c m\u1ed9t c\u00e1ch qu\u00e1 m\u1ee9c, c\u00f2n l\u1ea1i r\u1ea5t \u00edt trong r\u1eebng t\u1ef1 nhi\u00ean v\u00e0 th\u01b0\u1eddng s\u1ed1ng chung v\u1edbi c\u00e1c lo\u00e0i c\u00e2y g\u1ed7 kh\u00e1c nh\u01b0 S\u1ea5u, Re, Kh\u00e1o, Tr\u00e2m,… \u0110\u1eb7c bi\u1ec7t, Ch\u00f2 ch\u1ec9r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi \u0111\u1ea5t ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a C\u00e1cbonnat canxi. Trong t\u1ef1 nhi\u00ean th\u00ec ch\u01b0a th\u1ea5y Ch\u00f2 ch\u1ec9 t\u1ed3n t\u1ea1i \u1edf n\u01a1i \u0111\u1ea5t tr\u1ed1ng, \u0111\u1ed3i n\u00fai tr\u1ecdc, \u0111\u1ea5t b\u1ea1c m\u00e0u tho\u00e1i ho\u00e1. <\/p>\n

T\u1eeb kho\u00e1: <\/strong>Ch\u00f2 ch\u1ec9, c\u1ea5u tr\u00fac t\u1ed5 th\u00e0nh, \u0111\u1eb7c \u0111i\u1ec3m t\u00e1i sinh, V\u01b0\u1eddn Qu\u1ed1c gia Xu\u00e2n S\u01a1n <\/p>\n

M\u1ede \u0110\u1ea6U<\/strong><\/strong> <\/p>\n

V\u01b0\u1eddn Qu\u1ed1c gia(VQG) Xu\u00e2n S\u01a1n n\u1eb1m tr\u00ean x\u00e3 Xu\u00e2n S\u01a1n \u2013 Thanh S\u01a1n \u2013 Ph\u00fa Th\u1ecd, c\u00f3 \u0111\u1ecba h\u00ecnh ph\u1ee9c t\u1ea1p, ch\u1ee7 y\u1ebfu l\u00e0 \u0111\u1ed3i, n\u00fai \u0111\u00e1 cao v\u00e0 thung l\u0169ng v\u1edbi d\u1ea1ng \u0111\u1ecba h\u00ecnh ki\u1ec3u l\u00f2ng m\u00e1ng cao \u1edf ba b\u00ean. Kh\u00ed h\u1eadu ph\u00e2n l\u00e0m hai m\u00f9a r\u00f5 r\u1ec7t l\u00e0 m\u00f9a kh\u00f4 v\u00e0 m\u00f9a m\u01b0a. Nhi\u1ec7t \u0111\u1ed9 b\u00ecnh qu\u00e2n n\u0103m l\u00e0 22,80<\/sup>C, l\u01b0\u1ee3ng m\u01b0a b\u00ecnh qu\u00e2n n\u0103m t\u1eeb 2000 \u2013 2300mm, t\u1eadp chung ch\u1ee7 y\u1ebfu v\u00e0o th\u00e1ng 7 \u0111\u1ebfn th\u00e1ng 10. <\/p>\n

VQG Xu\u00e2n S\u01a1n c\u00f3 th\u1ea3m th\u1ef1c v\u1eadt theo ki\u1ec3u m\u01b0a nhi\u1ec7t \u0111\u1edbi th\u01b0\u1eddng xanh v\u00e0 c\u1ea5u tr\u00fac t\u1ed5 th\u00e0nh c\u00e1c lo\u00e0i th\u1ef1c v\u1eadt t\u01b0\u01a1ng \u0111\u1ed1i phong ph\u00fa, trong \u0111\u00f3 c\u00f3 nhi\u1ec1u lo\u00e0i c\u00e2y g\u1ed7 qu\u00ed hi\u1ebfm c\u00f3 gi\u00e1 tr\u1ecb cao v\u1ec1 kinh t\u1ebf v\u00e0 b\u1ea3o t\u1ed3n. <\/p>\n

Ch\u00f2 ch\u1ec9 l\u00e0 c\u00e2y g\u1ed7 l\u1edbn c\u00f3 t\u00ean trong s\u00e1ch \u0111\u1ecf Vi\u1ec7t Nam (Nguy\u1ec5n Ho\u00e0ng Ngh\u0129a, 1999). Do kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 v\u00e0 b\u1ecb khai th\u00e1c qu\u00e1 m\u1ee9c tr\u01b0\u1edbc \u0111\u00e2y n\u00ean hi\u1ec7n nay Ch\u00f2 ch\u1ec9 c\u00f2n l\u1ea1i \u1edf \u0111\u00e2y r\u1ea5t \u00edt. Ch\u00ednh v\u00ec v\u1eady, vi\u1ec7c nghi\u00ean c\u1ee9u \u0111\u1eb7c \u0111i\u1ec3m l\u00e2m h\u1ecdc c\u1ee7a Ch\u00f2 ch\u1ec9 l\u00e0 c\u1ea7n thi\u1ebft, g\u00f3p ph\u1ea7n v\u00e0o vi\u1ec7c b\u1ea3o t\u1ed3n v\u00e0 ph\u00e1t tri\u1ec3n lo\u00e0i c\u00e2y n\u00e0y trong t\u01b0\u01a1ng lai. <\/p>\n

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

\n \n<\/p>\n

\nChò ch\u1ec9 (Parashorea chinensis<\/em> Wang Hsie) là cây g\u1ed7 l\u1edbn có giá tr\u1ecb kinh t\u1ebf và giá tr\u1ecb \u0111a d\u1ea1ng sinh h\u1ecdc cao, có tên trong sách \u0111\u1ecf c\u1ee7a Vi\u1ec7t Nam, \u0111ang có nguy c\u01a1 b\u1ecb tuy\u1ec7t ch\u1ee7ng cao và c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o t\u1ed3n. Chò ch\u1ec9 có biên \u0111\u1ed9 sinh thái h\u1eb9p, thích h\u1ee3p v\u1edbi c\u1ea3 lo\u1ea1i \u0111\u1ea5t Feralit vàng nâu ho\u1eb7c vàng \u0111\u1ecf và có th\u1ec3 s\u1ed1ng thành qu\u1ea7n th\u1ee5 r\u1eebng và trong h\u1ec7 sinh thái \u0111ó, chúng có th\u1ec3 có nh\u1eefng vai trò khác nhau trên nh\u1eefng l\u1eadp \u0111\u1ecba khác nhau. Hi\u1ec7n nay, Chò ch\u1ec9 \u0111ang b\u1ecb khai thác m\u1ed9t cách quá m\u1ee9c, còn l\u1ea1i r\u1ea5t ít trong r\u1eebng t\u1ef1 nhiên và th\u01b0\u1eddng s\u1ed1ng chung v\u1edbi các loài cây g\u1ed7 khác nh\u01b0 S\u1ea5u, Re, Kháo, Trâm,… \u0110\u1eb7c bi\u1ec7t, Chò ch\u1ec9  <\/span>r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi \u0111\u1ea5t ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a Cácbonnat canxi. Trong t\u1ef1 nhiên thì ch\u01b0a th\u1ea5y Chò ch\u1ec9 t\u1ed3n t\u1ea1i \u1edf n\u01a1i \u0111\u1ea5t tr\u1ed1ng, \u0111\u1ed3i núi tr\u1ecdc, \u0111\u1ea5t b\u1ea1c màu thoái hoá.<\/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\/9085"}],"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=9085"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9085\/revisions"}],"predecessor-version":[{"id":10539,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9085\/revisions\/10539"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9085"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9085"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9085"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}