{"id":5527,"date":"2017-02-06T15:11:33","date_gmt":"2017-02-06T08:11:33","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=5527"},"modified":"2017-10-03T13:59:02","modified_gmt":"2017-10-03T06:59:02","slug":"khao-sat-dac-diem-thich-nghi-cua-nang-kim-eleocharis-ochrostachys-va-nang-ong-eleocharis-dulcis-voi-moi-truong-dat-tai-vuon-quoc-gia-tram-chim","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/khao-sat-dac-diem-thich-nghi-cua-nang-kim-eleocharis-ochrostachys-va-nang-ong-eleocharis-dulcis-voi-moi-truong-dat-tai-vuon-quoc-gia-tram-chim\/","title":{"rendered":"Kh\u1ea3o s\u00e1t \u0111\u1eb7c \u0111i\u1ec3m th\u00edch nghi c\u1ee7a n\u0103ng kim (Eleocharis ochrostachys) v\u00e0 n\u0103ng \u1ed1ng (Eleocharis dulcis) v\u1edbi m\u00f4i tr\u01b0\u1eddng \u0111\u1ea5t t\u1ea1i v\u01b0\u1eddn qu\u1ed1c gia tr\u00e0m chim"},"content":{"rendered":"

V\u01b0\u1eddn Qu\u1ed1c gia (VQG) Tr\u00e0m Chim, l\u00e0 khu b\u1ea3o t\u1ed3n thi\u00ean nhi\u00ean n\u1eb1m \u1edf n\u0103m x\u00e3 (Ph\u00fa \u0110\u1ee9c, Ph\u00fa Hi\u1ec7p, Ph\u00fa Th\u00e0nh B, Ph\u00fa Th\u1ecd v\u00e0 T\u00e2n C\u00f4ng S\u00ednh) v\u00e0 th\u1ecb tr\u1ea5n Tr\u00e0m Chim thu\u1ed9c huy\u1ec7n Tam N\u00f4ng, t\u1ec9nh \u0110\u1ed3ng Th\u00e1p. VQG Tr\u00e0m Chim c\u00f3 di\u1ec7n t\u00edch 7.313 ha \u0111\u01b0\u1ee3c chia th\u00e0nh nhi\u1ec1u khu.<\/strong><\/p>\n

\"\"<\/p>\n

V\u01b0\u1eddn Qu\u1ed1c gia Tr\u00e0m Chim c\u00f3 h\u1ec7 sinh th\u00e1i th\u1ef1c v\u1eadt r\u1ea5t phong ph\u00fa v\u00e0 \u0111a d\u1ea1ng, \u0111\u1eb7c tr\u01b0ng l\u00e0 ki\u1ec3u ph\u00e2n b\u1ed1 theo qu\u1ea7n x\u00e3: qu\u1ea7n x\u00e3 c\u1ecf n\u0103ng, qu\u1ea7n x\u00e3 c\u1ecf \u1ed1ng, qu\u1ea7n x\u00e3 sen v\u00e0 tr\u00e0m\u2026 Trong \u0111\u00f3 qu\u1ea7n x\u00e3 c\u1ecf n\u0103ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 n\u0103ng Kim \u0111\u00f3ng vai tr\u00f2 r\u1ea5t quan tr\u1ecdng, tuy c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf kh\u00f4ng cao nh\u01b0ng l\u1ea1i l\u00e0 lo\u00e0i ch\u1ee7 l\u1ef1c trong h\u1ec7 sinh th\u00e1i \u0111\u1ea5t ng\u1eadp n\u01b0\u1edbc VQG Tr\u00e0m Chim. Qu\u1ea7n x\u00e3 n\u0103ng Kim c\u00f2n l\u00e0 n\u01a1i c\u01b0 tr\u00fa v\u00e0 ki\u1ebfm \u0103n c\u1ee7a nhi\u1ec1u lo\u00e0i chim, \u0111\u1eb7c bi\u1ec7t l\u00e0 s\u1ebfu \u0111\u1ea7u \u0111\u1ecf.<\/p>\n

Tuy nhi\u00ean, \u0111\u1ec3 ph\u00e1t tri\u1ec3n kinh t\u1ebf, nhu c\u1ea7u v\u1ec1 nh\u00e0 \u1edf c\u0169ng nh\u01b0 \u0111\u00f4 th\u1ecb h\u00f3a \u1edf t\u1ec9nh \u0110\u1ed3ng Th\u00e1p trong th\u1eddi gian qua th\u00ec nhi\u1ec1u c\u00e1nh \u0111\u1ed3ng c\u1ecf n\u0103ng \u0111\u00e3 \u0111\u01b0\u1ee3c thay \u0111\u1ed5i th\u00e0nh nh\u1eefng nh\u00e0 m\u00e1y ch\u1ebf bi\u1ebfn th\u1ee7y s\u1ea3n, khu t\u00e1i \u0111\u1ecbnh c\u01b0… \u0110i\u1ec1u \u0111\u00f3 l\u00e0m cho di\u1ec7n t\u00edch \u0111\u1ed3ng c\u1ecf n\u0103ng gi\u1ea3m \u0111\u00e1ng k\u1ec3.<\/p>\n

Th\u1ef1c t\u1ebf cho th\u1ea5y c\u00f3 \u00edt \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u v\u1ec1 vai tr\u00f2 c\u1ee7a h\u1ec7 th\u1ef1c v\u1eadt n\u00f3i chung v\u00e0 qu\u1ea7n x\u00e3 c\u1ecf n\u0103ng Kim n\u00f3i ri\u00eang trong khu v\u1ef1c \u0111\u1ea5t ng\u1eadp n\u01b0\u1edbc c\u1ee7a VQG Tr\u00e0m Chim.<\/p>\n

\u0110\u1ec3 n\u0103ng Kim ph\u00e1t tri\u1ec3n t\u1ed1t, \u0111\u00f2i h\u1ecfi c\u00f3 m\u1ed9t m\u00f4i tr\u01b0\u1eddng n\u00f3i chung v\u00e0 m\u00f4i tr\u01b0\u1eddng \u0111\u1ea5t n\u00f3i ri\u00eang ph\u1ea3i th\u00edch h\u1ee3p. M\u1ed9t v\u00e0i nghi\u00ean c\u1ee9u tr\u01b0\u1edbc \u0111\u00e2y v\u1ec1 c\u1ecf n\u0103ng \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u01b0ng ch\u1ec9 ch\u1ee7 y\u1ebfu t\u1eadp trung nghi\u00ean c\u1ee9u v\u1ec1 sinh h\u1ecdc, sinh th\u00e1i v\u00e0 \u0111\u1ed9 \u1ea9m c\u1ee7a c\u00e2y n\u0103ng v\u00e0 ch\u01b0a c\u00f3 nghi\u00ean c\u1ee9u n\u00e0o li\u00ean quan \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng \u0111\u1ea5t. Do \u0111\u00f3, m\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u1eb1m \u0111\u00e1nh gi\u00e1 \u0111\u1eb7c \u0111i\u1ec3m th\u00edch nghi c\u1ee7a n\u0103ng Kim (Eleocharis ochrostachys) v\u00e0 n\u0103ng \u1ed0ng (Eleocharis dulcis) v\u1edbi m\u00f4i tr\u01b0\u1eddng \u0111\u1ea5t t\u1ea1i V\u01b0\u1eddn Qu\u1ed1c gia Tr\u00e0m Chim nh\u1eb1m g\u00f3p ph\u1ea7n b\u1ea3o t\u1ed3n h\u1ec7 sinh th\u00e1i \u0111\u1ed3ng c\u1ecf n\u0103ng VQG Tr\u00e0m Chim nh\u01b0 l\u00e0 ngu\u1ed3n th\u1ee9c \u0103n cho c\u00e1c sinh sinh v\u1eadt trong khu v\u1ef1c.<\/p>\n

M\u00f4i tr\u01b0\u1eddng \u0111\u1ea5t \u0111\u00f3ng m\u1ed9t vai tr\u00f2 r\u1ea5t quan tr\u1ecdng cho s\u1ef1 sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a c\u1ecf n\u0103ng. M\u1ee5c ti\u00eau c\u1ee7a \u0111\u1ec1 t\u00e0i nh\u1eb1m \u0111\u00e1nh gi\u00e1 \u0111\u1eb7c \u0111i\u1ec3m th\u00edch nghi c\u1ee7a n\u0103ng Kim (Eleocharis ochrostachys) v\u00e0 n\u0103ng \u1ed0ng (Eleocharis dulcis) t\u1ea1i V\u01b0\u1eddn Qu\u1ed1c gia Tr\u00e0m Chim. Th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed g\u1ed3m 1) n\u0103ng Kim \u0111\u01a1n thu\u1ea7n 2) qu\u1ea7n x\u00e3 n\u0103ng \u1ed0ng \u0111\u01a1n thu\u1ea7n v\u00e0 3) h\u1ed7n giao gi\u1eefa n\u0103ng Kim v\u00e0 n\u0103ng \u1ed0ng. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho th\u1ea5y, c\u00e2y n\u0103ng Kim th\u00edch nghi \u1edf \u0111\u1ea5t pH r\u1ea5t th\u1ea5p, kho\u1ea3ng 3,2\u20133,8, nh\u00f4m trao \u0111\u1ed5i trong m\u00f4i tr\u01b0\u1eddng \u0111\u1ea5t c\u1ee7a qu\u1ea7n x\u00e3 n\u0103ng Kim t\u1eeb 14,40\u201315,70 cmol\/kg, h\u00e0m l\u01b0\u1ee3ng s\u1eaft t\u1ed5ng s\u1ed1 t\u1eeb 0,671\u20131,191%, h\u00e0m l\u01b0\u1ee3ng \u0111\u1ea1m t\u1ed5ng s\u1ed1 t\u1eeb 0, 29\u20130,34%, l\u00e2n t\u1ed5ng s\u1ed1 dao \u0111\u1ed9ng t\u1eeb 0,061\u20130,068%, kali trao \u0111\u1ed5i t\u1eeb 0,058\u20130,103 cmol\/kg v\u00e0 c\u00f3 h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t h\u1eefu c\u01a1 t\u1eeb 10\u201311%. Trong khi \u0111\u00f3, n\u0103ng \u1ed0ng ph\u00e2n b\u1ed1 v\u00e0 th\u00edch nghi \u1edf m\u00f4i tr\u01b0\u1eddng \u0111\u1ea5t c\u00f3 pH 3,8, nh\u00f4m trao \u0111\u1ed5i 9,95-16,90 cmol\/kg, s\u1eaft t\u1ed5ng s\u1ed1 t\u1eeb 0,994\u20132,013%, l\u00e2n t\u1ed5ng s\u1ed1 trong \u0111\u1ea5t t\u1eeb 0,073\u20130,101%, kali trao \u0111\u1ed5i trong kho\u1ea3ng t\u1eeb 0,033\u20130,074 cmol\/kg, ch\u1ea5t h\u1eefu c\u01a1 trong \u0111\u1ea5t 30% v\u00e0 c\u00f3 h\u00e0m l\u01b0\u1ee3ng \u0111\u1ea1m t\u1ed5ng s\u1ed1 t\u1eeb 0,50\u20130,71%. T\u00f3m l\u1ea1i, \u0111\u1ec3 b\u1ea3o t\u1ed3n t\u1ed1t c\u00e2y n\u0103ng Kim c\u1ea7n quan t\u00e2m \u0111\u1ebfn \u0111\u1eb7c \u0111i\u1ec3m sinh th\u00e1i v\u00e0 m\u00f4i tr\u01b0\u1eddng \u0111\u1ea5t \u0111\u1ec3 c\u00e2y n\u0103ng c\u00f3 s\u1ef1 th\u00edch nghi t\u1ed1t.<\/p>\n

Nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 khoa h\u1ecdc Hu\u1ef3nh Th\u1ea1ch Sum (S\u1edf T\u00e0i nguy\u00ean M\u00f4i tr\u01b0\u1eddng t\u1ec9nh C\u00e0 Mau), Tr\u01b0\u01a1ng Th\u1ecb Nga (Khoa M\u00f4i Tr\u01b0\u1eddng v\u00e0 T\u00e0i nguy\u00ean Thi\u00ean nhi\u00ean, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc C\u1ea7n Th\u01a1) v\u00e0 L\u00ea Nh\u1eadt Quang (Tr\u01b0\u1eddng Cao \u0111\u1eb3ng c\u1ed9ng \u0111\u1ed3ng Ki\u00ean Giang) th\u1ef1c hi\u1ec7n.<\/p>\n

T\u1ea1p ch\u00ed Khoa h\u1ecdc Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc C\u1ea7n Th\u01a1 (S\u1ed1 chuy\u00ean \u0111\u1ec1 N\u00f4ng nghi\u1ec7p -2016)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

V\u01b0\u1eddn Qu\u1ed1c gia (VQG) Tr\u00e0m Chim, l\u00e0 khu b\u1ea3o t\u1ed3n thi\u00ean nhi\u00ean n\u1eb1m \u1edf n\u0103m x\u00e3 (Ph\u00fa \u0110\u1ee9c, Ph\u00fa Hi\u1ec7p, Ph\u00fa Th\u00e0nh B, Ph\u00fa Th\u1ecd v\u00e0 T\u00e2n C\u00f4ng S\u00ednh) v\u00e0 th\u1ecb tr\u1ea5n Tr\u00e0m Chim thu\u1ed9c huy\u1ec7n Tam N\u00f4ng, t\u1ec9nh \u0110\u1ed3ng Th\u00e1p. VQG Tr\u00e0m Chim c\u00f3 di\u1ec7n t\u00edch 7.313 ha \u0111\u01b0\u1ee3c chia th\u00e0nh nhi\u1ec1u khu. V\u01b0\u1eddn […]<\/p>\n","protected":false},"author":17,"featured_media":6834,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-5527","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/5527","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=5527"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/5527\/revisions"}],"predecessor-version":[{"id":6835,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/5527\/revisions\/6835"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/6834"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=5527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=5527"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=5527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}