{"id":9768,"date":"2012-02-17T08:32:44","date_gmt":"2012-02-17T01:32:44","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/02\/xac-dinh-thanh-phan-loai-va-phan-bo-cua-cay-ngap-man-tren-cac-dang-cat-soi-da-vun-san-ho-tai-mot-so-dao-ven-bo-nam-bo\/"},"modified":"2013-10-06T09:02:38","modified_gmt":"2013-10-06T02:02:38","slug":"xac-dinh-thanh-phan-loai-va-phan-bo-cua-cay-ngap-man-tren-cac-dang-cat-soi-da-vun-san-ho-tai-mot-so-dao-ven-bo-nam-bo","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/xac-dinh-thanh-phan-loai-va-phan-bo-cua-cay-ngap-man-tren-cac-dang-cat-soi-da-vun-san-ho-tai-mot-so-dao-ven-bo-nam-bo\/","title":{"rendered":"X\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n lo\u00e0i v\u00e0 ph\u00e2n b\u1ed1 c\u1ee7a c\u00e2y ng\u1eadp m\u1eb7n tr\u00ean c\u00e1c d\u1ea1ng c\u00e1t, s\u1ecfi, \u0111\u00e1, v\u1ee5n san h\u00f4 t\u1ea1i m\u1ed9t s\u1ed1 \u0111\u1ea3o ven b\u1edd Nam b\u1ed9"},"content":{"rendered":"<p> <strong>Ho\u00e0ng V\u0103n Th\u01a1i<\/strong> <\/p>\n<p> <em>Ph\u00e2n vi\u1ec7n Nghi\u00ean c\u1ee9u Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Nam B\u1ed9<\/em><strong><\/strong> <\/p>\n<p> <strong>T\u00d3M T\u1eaeT<\/strong> <\/p>\n<p> Nghi\u00ean c\u1ee9u v\u1ec1 c\u1ea5u tr\u00fac v\u00e0 ph\u00e2n b\u1ed1 c\u1ee7a th\u1ef1c v\u1eadt r\u1eebng ng\u1eadp m\u1eb7n (RNM) \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i 4 \u0111\u1ea3o c\u1ee7a C\u00e0 Mau v\u00e0 Ki\u00ean Giang, nh\u1eb1m l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y ph\u00e2n b\u1ed1 tr\u00ean d\u1ea1ng \u0111\u00e1, c\u00e1t, s\u1ecfi, v\u1ee5n san h\u00f4 \u0111\u1ec3 c\u00f3 th\u1ec3 th\u1eed nghi\u1ec7m g\u00e2y tr\u1ed3ng tr\u00ean c\u00e1c \u0111\u1ea3o v\u00f9ng bi\u1ec3n ph\u00eda Nam n\u01b0\u1edbc ta. Nghi\u00ean c\u1ee9u t\u1eadp trung v\u00e0o kh\u1ea3o s\u00e1t th\u00e0nh ph\u1ea7n lo\u00e0i, c\u1ea5u tr\u00fac v\u00e0 ph\u00e2n b\u1ed1 c\u1ee7a c\u00e1c qu\u1ea7n x\u00e3 th\u1ef1c v\u1eadt ng\u1eadp m\u1eb7n s\u1ed1ng trong \u0111i\u1ec1u ki\u1ec7n b\u1ecb t\u00e1c \u0111\u1ed9ng m\u1ea1nh c\u1ee7a s\u00f3ng v\u00e0 gi\u00f3 bi\u1ec3n. \u0110\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c n\u1ed9i dung tr\u00ean, \u0111\u1ec1 t\u00e0i \u0111\u00e3 ti\u1ebfn h\u00e0nh kh\u1ea3o s\u00e1t tr\u00ean 8 tuy\u1ebfn song song v\u1edbi \u0111\u01b0\u1eddng b\u1edd bi\u1ec3n v\u00e0 thi\u1ebft l\u1eadp 12 \u00f4 ti\u00eau chu\u1ea9n \u0111\u1ea1i di\u1ec7n cho c\u00e1c khu v\u1ef1c nghi\u00ean c\u1ee9u, \u00f4 ti\u00eau chu\u1ea9n c\u00f3 k\u00edch th\u01b0\u1edbc 100m<sup>2<\/sup> (10x10m) d\u1ecdc theo c\u00e1c tuy\u1ebfn \u0111i\u1ec1u tra.K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u00e3 ghi nh\u1eadn s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a 32 lo\u00e0i c\u00e2y thu\u1ed9c 17 h\u1ecd th\u1ef1c v\u1eadt kh\u00e1c nhau t\u1ea1i c\u00e1c \u0111\u1ea3o H\u00f2n Khoai, H\u00f2n \u0110\u00e1 B\u1ea1c thu\u1ed9c C\u00e0 Mau, H\u00f2n Tre v\u00e0 Ph\u00fa Qu\u1ed1c thu\u1ed9c Ki\u00ean Giang, trong \u0111\u00f3 c\u00f3 22 lo\u00e0i c\u00e2y ng\u1eadp m\u1eb7n ch\u00ednh th\u1ee9c (<strong>true<\/strong> mangrove species) v\u00e0 10 lo\u00e0i c\u00e2y tham gia RNM (<strong>associate<\/strong> species). Nh\u1eefng lo\u00e0i c\u00e2y n\u00e0y kh\u00f4ng ch\u1ec9 s\u1ed1ng \u0111\u01b0\u1ee3c tr\u00ean \u0111\u00e1, s\u1ecfi, c\u00e1t, v\u1ee5n san h\u00f4 m\u00e0 c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c t\u00e1c \u0111\u1ed9ng m\u1ea1nh c\u1ee7a s\u00f3ng v\u00e0 gi\u00f3 bi\u1ec3n. V\u1ec1 s\u1ed1 l\u01b0\u1ee3ng v\u00e0 m\u1ee9c \u0111\u1ed9 quan tr\u1ecdng c\u1ee7a c\u00e1c lo\u00e0i t\u1ea1i 4 \u0111\u1ecba \u0111i\u1ec3m nghi\u00ean c\u1ee9u nh\u01b0 sau:- T\u1ea1i H\u00f2n Khoai c\u00f3 12 lo\u00e0i c\u00e2y ng\u1eadp m\u1eb7n ch\u00ednh th\u1ee9c \u0111\u01b0\u1ee3c ghi nh\u1eadn, v\u1edbi gi\u00e1 tr\u1ecb quan tr\u1ecdng c\u1ee7a lo\u00e0i theo th\u1ee9 t\u1ef1 l\u00e0 Gi\u00e1 (<em>E. agallocha), <\/em>\u0110\u01b0\u1edbc<em> (R. apiculata), <\/em>M\u1eafmtr\u1eafng<em> (A. alba)<\/em>, Xu \u1ed5i (<em>X. granatum) <\/em>v\u00e0 D\u00e0 qu\u00e1nh<em> (C. decandra)<\/em>&#8211; T\u1ea1i H\u00f2n \u0110\u00e1 B\u1ea1c c\u00f3 9 lo\u00e0i c\u00e2y ng\u1eadp m\u1eb7n ch\u00ednh th\u1ee9c, v\u1edbi gi\u00e1 tr\u1ecb quan tr\u1ecdng c\u1ee7a lo\u00e0i theo th\u1ee9 t\u1ef1 l\u00e0 Xu \u1ed5i<em>, <\/em>Gi\u00e1<em>, <\/em>M\u1eafm tr\u1eafng v\u00e0 Xu Jumphi<em> (X. jumphii).<\/em>&#8211; T\u1ea1i \u0111\u1ea3o Ph\u00fa Qu\u1ed1c c\u00f3 16 lo\u00e0i c\u00e2y ng\u1eadp m\u1eb7n ch\u00ednh th\u1ee9c, v\u1edbi gi\u00e1 tr\u1ecb quan tr\u1ecdng c\u1ee7a lo\u00e0i theo th\u1ee9 t\u1ef1 \u0110\u01b0\u1edbc<em>, <\/em>V\u1eb9t d\u00f9 b\u00f4ng \u0111\u1ecf<em> (B. gymnorhiza), <\/em>\u0110\u01b0ng <em>(R. mucronata) <\/em>v\u00e0 Xu \u1ed5i.- T\u1ea1i H\u00f2n Tre c\u00f3 8 lo\u00e0i c\u00e2y ng\u1eadp m\u1eb7n ch\u00ednh th\u1ee9c, v\u1edbi gi\u00e1 tr\u1ecb quan tr\u1ecdng c\u1ee7a lo\u00e0i l\u1ea7n l\u01b0\u1ee3t l\u00e0 V\u1eb9t d\u00f9 b\u00f4ng \u0111\u1ecf<em>, <\/em>M\u1eafm tr\u1eafng<em>, <\/em>\u0110\u01b0\u1edbcv\u00e0 Cui bi\u1ec3n<em> (Heritiera littoralis).<\/em>T\u1eeb k\u1ebft qu\u1ea3 kh\u1ea3o s\u00e1t c\u00f3 th\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c 5 lo\u00e0i c\u00e2y \u0111\u01b0a v\u00e0o th\u1eed nghi\u1ec7m g\u00e2y tr\u1ed3ng tr\u00ean n\u1ec1n c\u00e1t, s\u1ecfi, \u0111\u00e1, v\u1ee5n san h\u00f4 t\u1ea1i m\u1ed9t s\u1ed1 \u0111\u1ea3o ph\u00eda Nam l\u00e0 V\u1eb9t d\u00f9 b\u00f4ng \u0111\u1ecf<em>, <\/em>\u0110\u01b0\u1edbc<em>, <\/em>M\u1eafm tr\u1eafng<em>, <\/em>Xu \u1ed5iv\u00e0 Gi\u00e1<em>.<\/em> <\/p>\n<p> <strong>T\u1eeb kh\u00f3a: <\/strong>Ph\u00e2n b\u1ed1 c\u00e2y ng\u1eadp m\u1eb7n, \u0110\u1ea3o ven b\u1edd Nam B\u1ed9. <\/p>\n<p> <strong>M\u1ede \u0110\u1ea6U<\/strong> <\/p>\n<p> V\u00f9ng bi\u1ec3n \u0110BSCL c\u0169ng c\u00f3 nhi\u1ec1u c\u1ee5m \u0111\u1ea3o g\u1ea7n b\u1edd n\u1eb1m t\u1eadp trung nh\u01b0 H\u00f2n Khoai, H\u00f2n \u0110\u00e1 B\u1ea1c &#8211; C\u00e0 Mau. \u0110\u1eb7c bi\u1ec7t v\u00f9ng bi\u1ec3n Ki\u00ean Giang v\u1edbi h\u1ec7 th\u1ed1ng h\u00e0ng tr\u0103m \u0111\u1ea3o l\u1edbn nh\u1ecf nh\u01b0 \u0111\u1ea3o Ph\u00fa Qu\u1ed1c, qu\u1ea7n \u0111\u1ea3o Nam Du, Ki\u00ean H\u1ea3i,\u2026 C\u1ee5m \u0111\u1ea3o H\u00f2n Khoai v\u1edbi c\u00e1c \u0111\u1ea3o nh\u1ecf n\u1eb1m g\u1ea7n nhau trong m\u1ed9t h\u1ec7 th\u1ed1ng gi\u1eefa bi\u1ec3n kh\u01a1i l\u00e0 H\u00f2n Khoai, H\u00f2n Sao, H\u00f2n \u0110\u1ed3i M\u1ed3i, H\u00f2n Quy, H\u00f2n \u0110\u00e1 L\u1ebb, v\u1edbi t\u1ed5ng di\u1ec7n t\u00edch kho\u1ea3ng 577ha, trong \u0111\u00f3 H\u00f2n Khoai c\u00f3 di\u1ec7n t\u00edch l\u1edbn nh\u1ea5t kho\u1ea3ng 420ha v\u1edbi \u0111\u1ed9 cao h\u01a1n m\u1eb7t bi\u1ec3n kho\u1ea3ng 300m. C\u1ee5m \u0111\u1ea3o H\u00f2n Khoai thu\u1ed9c \u0111\u1ecba b\u00e0n x\u00e3 T\u00e2n \u00c2n huy\u1ec7n Ng\u1ecdc Hi\u1ec3n, c\u00e1ch \u0111\u1ea5t li\u1ec1n kho\u1ea3ng 18km. <\/p>\n<p>  <em>(K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u khoa h\u1ecdc c\u00f4ng ngh\u1ec7 giai \u0111o\u1ea1n 2006-2010, trang 230-240)<\/em> <\/p>\n","protected":false},"excerpt":{"rendered":"<p align=\"justify\">\n<span style=\"font-family: Arial; font-size: 10pt\">Nghi&ecirc;n c\u1ee9u v\u1ec1 c\u1ea5u tr&uacute;c v&agrave; ph&acirc;n b\u1ed1 c\u1ee7a th\u1ef1c v\u1eadt r\u1eebng ng\u1eadp m\u1eb7n (RNM) \u0111&atilde; \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i 4 \u0111\u1ea3o c\u1ee7a C&agrave; Mau v&agrave; Ki&ecirc;n Giang, nh\u1eb1m l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 lo&agrave;i c&acirc;y ph&acirc;n b\u1ed1 tr&ecirc;n d\u1ea1ng \u0111&aacute;, c&aacute;t, s\u1ecfi, v\u1ee5n san h&ocirc; \u0111\u1ec3 c&oacute; th\u1ec3 th\u1eed nghi\u1ec7m g&acirc;y tr\u1ed3ng tr&ecirc;n c&aacute;c \u0111\u1ea3o v&ugrave;ng bi\u1ec3n ph&iacute;a Nam n\u01b0\u1edbc ta. Nghi&ecirc;n c\u1ee9u t\u1eadp trung v&agrave;o kh\u1ea3o s&aacute;t th&agrave;nh ph\u1ea7n lo&agrave;i, c\u1ea5u tr&uacute;c v&agrave; ph&acirc;n b\u1ed1 c\u1ee7a c&aacute;c qu\u1ea7n x&atilde; th\u1ef1c v\u1eadt ng\u1eadp m\u1eb7n s\u1ed1ng trong \u0111i\u1ec1u ki\u1ec7n b\u1ecb t&aacute;c \u0111\u1ed9ng m\u1ea1nh c\u1ee7a s&oacute;ng v&agrave; gi&oacute; bi\u1ec3n. <\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[21],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9768"}],"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=9768"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9768\/revisions"}],"predecessor-version":[{"id":11220,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9768\/revisions\/11220"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9768"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9768"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9768"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}