{"id":9401,"date":"2010-08-13T02:41:38","date_gmt":"2010-08-12T19:41:38","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2010\/08\/nghien-cuu-moi-lien-he-giua-dac-tinh-phan-bo-cua-thuc-vat-ngap-man-voi-do-man-dat-tan-suat-ngap-trieu-tai-vung-ven-song-rach-ca-mau\/"},"modified":"2015-05-19T14:34:44","modified_gmt":"2015-05-19T07:34:44","slug":"nghien-cuu-moi-lien-he-giua-dac-tinh-phan-bo-cua-thuc-vat-ngap-man-voi-do-man-dat-tan-suat-ngap-trieu-tai-vung-ven-song-rach-ca-mau","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-moi-lien-he-giua-dac-tinh-phan-bo-cua-thuc-vat-ngap-man-voi-do-man-dat-tan-suat-ngap-trieu-tai-vung-ven-song-rach-ca-mau\/","title":{"rendered":"Nghi\u00ean c\u1ee9u m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa \u0111\u1eb7c t\u00ednh ph\u00e2n b\u1ed1 c\u1ee7a th\u1ef1c v\u1eadt ng\u1eadp m\u1eb7n v\u1edbi \u0111\u1ed9 m\u1eb7n \u0111\u1ea5t, t\u1ea7n su\u1ea5t ng\u1eadp tri\u1ec1u t\u1ea1i v\u00f9ng ven s\u00f4ng r\u1ea1ch C\u00e0 Mau"},"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><\/p>\n<p><strong>T\u00d3M T\u1eaeT<\/strong><\/p>\n<p>Nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i v\u00f9ng ven s\u00f4ng r\u1ea1ch t\u1ec9nh C\u00e0 Mau, v\u1edbi m\u1ee5c ti\u00eau nghi\u00ean c\u1ee9uv\u1ec1 th\u00e0nh ph\u1ea7n lo\u00e0i th\u1ef1c v\u1eadt v\u00e0 x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1c nh\u00e2n t\u1ed1 m\u00f4i tr\u01b0\u1eddng \u0111\u1ebfn ph\u00e2n b\u1ed1 c\u00e1c lo\u00e0i th\u1ef1c v\u1eadt r\u1eebng ng\u1eadp m\u1eb7n, nh\u1eb1m c\u00f3 \u0111\u01b0\u1ee3c c\u00e1c c\u0103n c\u1ee9 khoa h\u1ecdc \u0111\u1ec1 xu\u1ea5t c\u00e1c bi\u1ec7n ph\u00e1p l\u1ef1a ch\u1ecdn lo\u00e0i c\u00e2y tr\u1ed3ng th\u00edch h\u1ee3p cho vi\u1ec7c t\u00e1i t\u1ea1o r\u1eebng ph\u00f2ng h\u1ed9 ven s\u00f4ng m\u1ed9t c\u00e1ch b\u1ec1n v\u1eefng. Ti\u1ebfn h\u00e0nh l\u1eadp 3 tuy\u1ebfn \u0111i\u1ec1u tra th\u1eb3ng g\u00f3c v\u1edbi h\u01b0\u1edbng b\u1edd bi\u1ec3n, \u0111\u1ea1i di\u1ec7n cho c\u00e1c d\u1ea1ng ng\u1eadp tri\u1ec1u kh\u00e1c nhau, \u0111\u1ed9 m\u1eb7n n\u01b0\u1edbc bi\u1ec3n kh\u00e1c nhau trong v\u00f9ng nghi\u00ean c\u1ee9u, \u0111i\u1ec1u tra th\u00e0nh ph\u1ea7n lo\u00e0i, \u0111\u00e0o ph\u1eabu di\u1ec7n, l\u1ea5y m\u1eabu \u0111\u1ea5t\u1edf \u0111\u1ed9 s\u00e2u 0-10cm v\u00e0 40-50cm, c\u1eafm c\u1ecdc \u0111o th\u1ee7y tri\u1ec1u. K\u1ebft qu\u1ea3 cho th\u1ea5y khu v\u1ef1c nghi\u00ean c\u1ee9u c\u00f3 33 lo\u00e0i c\u1ee7a 20 h\u1ecd th\u1ef1c v\u1eadt . G\u1ed3m nh\u00f3m c\u00e2y ng\u1eadp m\u1eb7n ch\u00ednh th\u1ee9c, bao g\u1ed3m 23 lo\u00e0i,nh\u00f3m lo\u00e0i c\u00e2yk\u1ebft h\u1ee3p v\u1edbi r\u1eebng ng\u1eadp m\u1eb7ng\u1ed3m 10 lo\u00e0i. Lo\u00e0i c\u00f3 m\u1eadt \u0111\u1ed9 c\u00e2y chi\u1ebfm nhi\u1ec1u nh\u1ea5t l\u00e0 lo\u00e0i M\u1eafm tr\u1eafng (AA) ti\u1ebfp theo l\u00e0 \u0110\u01b0\u1edbc (RA), c\u00e1c lo\u00e0i Trang (KC), V\u1eb9t t\u00e1ch (BP), B\u1ea7n chua (SC) c\u00f3 m\u1eadt \u0111\u1ed9 th\u1ea5p nh\u1ea5t l\u00e0 0,1% c\u00e1c lo\u00e0i. Lo\u00e0i \u0110\u01b0\u1edbc v\u00e0 M\u1eafm tr\u1eafng c\u00f3 s\u1ed1 l\u1ea7n xu\u1ea5t hi\u1ec7n trung b\u00ecnh l\u00e0 70,1% v\u00e0 54,5%. C\u00e1c lo\u00e0i \u0110\u01b0ng, D\u00e0 v\u00f4i, B\u1ea7n tr\u1eafng, B\u1ea7n chua, Ch\u00e0 l\u00e0, Trang \u0111\u1ea1t t\u1ef7 l\u1ec7 xu\u1ea5t hi\u1ec7n th\u1ea5p nh\u1ea5t ch\u1ec9 c\u00f3 1,3- 3,9%. \u0110\u01b0\u1edbc c\u00f3 ph\u1ea1m vi ph\u00e2n b\u1ed1 r\u1ea5t r\u1ed9ng, nh\u01b0ng th\u00edch h\u1ee3p \u1edf \u0111\u1ed9 m\u1eb7n \u0111\u1ea5t 30-35\u2030 v\u00e0 v\u00f9ng c\u00f3 t\u1ea7n su\u1ea5t ng\u1eadp tri\u1ec1u trung b\u00ecnh cao. Lo\u00e0i D\u00e0 qu\u00e1nh ph\u00e2n b\u1ed1 th\u00edch h\u1ee3p trong ph\u1ea1m v\u1ecb \u0111\u1ed9 m\u1eb7n \u0111\u1ea5t t\u1eeb30 -39\u2030, c\u00f3 t\u1ea7n su\u1ea5t ng\u1eadp tri\u1ec1u t\u1eeb 3- 6 ng\u00e0y\/th\u00e1ng. Lo\u00e0i D\u00e0 v\u00f4i t\u1eeb 30-35\u2030 v\u00e0 ph\u00e2n b\u1ed1 nhi\u1ec1u \u1edf \u0111\u1ed9 ng\u1eadp t\u1eeb trung b\u00ecnh \u0111\u1ebfn trung b\u00ecnh cao. V\u1eb9t d\u00f9 ph\u00e2n b\u1ed1 kh\u00e1 t\u1eadp trung \u1edf \u0111\u1ed9 m\u1eb7n 24,5-32,5 \u2030 v\u00e0 g\u1eb7p nhi\u1ec1u \u1edf v\u00f9ng ng\u1eadp 5-13 ng\u00e0y\/th\u00e1ng.M\u1eafm tr\u1eafng ph\u00e2n b\u1ed1 t\u1eadp trung \u1edf \u0111\u1ed9 m\u1eb7n cao t\u1eeb 30-38,5\u2030 \u1edf \u0111\u1ed9 ng\u1eadp t\u1eeb L1-L3.M\u1eafm \u0111en ph\u00e2n b\u1ed1 nhi\u1ec1u \u1edf \u0111\u1ed9 m\u1eb7nth\u1ea5p t\u1eeb 19,8 -38 \u2030 v\u00e0 \u1edf \u0111\u1ed9 ng\u1eadp 1 &#8211; 10 ng\u00e0y\/th\u00e1ng. <strong><\/strong><\/p>\n<p><strong>T\u1eeb kh\u00f3a: <\/strong>Lo\u00e0i c\u00e2y, Ng\u1eadp m\u1eb7n, \u0110\u1ed9 m\u1eb7n, Ng\u1eadp tri\u1ec1u, Ph\u00e2n b\u1ed1<\/p>\n<h1><\/h1>\n<h1><strong>\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong><\/h1>\n<p>R\u1eebng ng\u1eadp m\u1eb7n(RNM) hi\u1ec7n nay b\u1ecb suy tho\u00e1i m\u1ed9t c\u00e1ch nhanh ch\u00f3ng, k\u1ec3 c\u1ea3 v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng v\u00e0 ch\u1ea5t l\u01b0\u1ecdng r\u1eebng. C\u00f3 nhi\u1ec1u nguy\u00ean nh\u00e2n, trong \u0111\u00f3 nguy\u00ean nh\u00e2n quan tr\u1ecdng l\u00e0 s\u1ef1 thi\u1ebfu hi\u1ec3u bi\u1ebft v\u1ec1 vai tr\u00f2, ch\u1ee9c n\u0103ng v\u00e0 c\u1ea5u tr\u00fac r\u1eebng, c\u0169ng nh\u01b0 m\u1ed1i quan h\u1ec7 gi\u1eefa RNM v\u00e0 m\u00f4i tr\u01b0\u1eddng. \u0110i\u1ec1u \u0111\u00f3 d\u1eabn \u0111\u1ebfn c\u00e1ch \u1ee9ng x\u1eed kh\u00f4ng c\u00f4ng b\u1eb1ng \u0111\u1ed1i v\u1edbi RNM, k\u1ebft qu\u1ea3 l\u00e0 ho\u1ea1ch \u0111\u1ecbnh ch\u00ednh s\u00e1ch ch\u1ec9 ch\u00fa tr\u1ecdng \u0111\u1ebfn l\u1ee3i \u00edch kinh t\u1ebf m\u00e0 kh\u00f4ng ch\u00fa \u00fd \u0111\u1ebfn gi\u00e1 tr\u1ecb kinh t\u1ebf m\u00f4i tr\u01b0\u1eddng m\u00e0 ch\u00fang c\u00f3 th\u1ec3 mang l\u1ea1i. H\u1ec7 sinh th\u00e1i r\u1ea5t nh\u1ea1y c\u1ea3m, khi s\u1eed d\u1ee5ng h\u1ec7 sinh th\u00e1i n\u00e0y c\u1ea7n ph\u1ea3i ch\u00fa \u00fd t\u1edbi hai nh\u00f3m nh\u00e2n t\u1ed1 b\u00ean trong v\u00e0 c\u00e1c nh\u00e2n t\u1ed1 b\u00ean ngo\u00e0i h\u1ec7 th\u1ed1ng.\u0110\u1ec3 qu\u1ea3n l\u00fd r\u1eebng b\u1ec1n v\u1eefng r\u1ea5t c\u1ea7n hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c nh\u00f3m nh\u00e2n t\u1ed1 b\u00ean trong c\u1ee7a h\u1ec7 sinh th\u00e1i r\u1eebng nh\u01b0 c\u1ea5u tr\u00fac sinh th\u00e1i: th\u00e0nh ph\u1ea7n lo\u00e0i, t\u00ednh \u0111a d\u1ea1ng sinh h\u1ecdc\u2026 c\u1ea5u tr\u00fac h\u1ec7 th\u1ed1ng theo kh\u00f4ng gian v\u00e0 th\u1eddi gian m\u00e0 h\u1ec7 sinh th\u00e1i t\u1ed3n t\u1ea1i v\u00e0 ph\u00e1t tri\u1ec3n. H\u01a1n n\u1eefa, c\u1ea7n ph\u1ea3i c\u00f3 s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng l\u00ean s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a RNM nh\u01b0 \u0111i\u1ec1u ki\u1ec7n \u0111\u1ea5t \u0111ai, ch\u1ebf \u0111\u1ed9 ng\u1eadp tri\u1ec1u, \u0111\u1ed9 m\u1eb7n \u2026 c\u00e1c nh\u00e2n t\u1ed1 n\u00e0y t\u00e1c \u0111\u1ed9ng r\u1ea5t kh\u00e1c nhau l\u00ean t\u1eebng lo\u00e0i c\u00e2y RNM c\u0169ng nh\u01b0 ph\u1ea1m vi ph\u00e2n b\u1ed1 c\u1ee7a ch\u00fang. C\u00e1c t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c nh\u00e2n t\u1ed1 m\u00f4i tr\u01b0\u1eddng c\u0169ng h\u1ebft s\u1ee9c \u0111a d\u1ea1ng v\u00e0 kh\u00f4ng tu\u00e2n theo quy lu\u1eadt, \u0111i\u1ec1u \u0111\u00f3 r\u1ea5t d\u1ec5 g\u00e2y t\u1ed5n th\u01b0\u01a1ng cho RNM. Do \u0111\u00f3, vi\u1ec7c nghi\u00ean c\u1ee9u v\u1ec1th\u00e0nh ph\u1ea7n lo\u00e0i th\u1ef1c v\u1eadt RNM ph\u00e2n b\u1ed1 ven s\u00f4ng r\u1ea1chv\u00e0 x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1c nh\u00e2n t\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 \u0111\u1ed9 thu\u1ea7n th\u1ee5c, \u0111\u1ed9 m\u1eb7n \u0111\u1ea5t v\u00e0 t\u1ea7n su\u1ea5t ng\u1eadp tri\u1ec1u \u0111\u1ebfn ph\u00e2n b\u1ed1 c\u00e1c lo\u00e0i th\u1ef1c v\u1eadt RNM l\u00e0 vi\u1ec7c l\u00e0m c\u1ea7n thi\u1ebft, nh\u1eb1m c\u00f3 \u0111\u01b0\u1ee3c c\u00e1c c\u0103n c\u1ee9 khoa h\u1ecdc \u0111\u1ec3 \u0111\u1ec1 xu\u1ea5t c\u00e1c bi\u1ec7n ph\u00e1p l\u1ef1a ch\u1ecdn lo\u00e0i c\u00e2y tr\u1ed3ng th\u00edch h\u1ee3p v\u00e0 c\u00f3 c\u00e1c gi\u1ea3i ph\u00e1p t\u00e1i t\u1ea1o r\u1eebngph\u00f2ng h\u1ed9 ven s\u00f4ng m\u1ed9t c\u00e1ch b\u1ec1n v\u1eefng. (Trang 1187-1202)<\/p>\n","protected":false},"excerpt":{"rendered":"<p align=\"justify\">\n<span style=\"font-family: Arial; font-size: 10pt\">&nbsp;<\/span><span style=\"font-family: Arial; font-size: 10pt\">Nghi&ecirc;n c\u1ee9u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i v&ugrave;ng ven s&ocirc;ng r\u1ea1ch t\u1ec9nh C&agrave; Mau, v\u1edbi m\u1ee5c ti&ecirc;u <span>nghi&ecirc;n c\u1ee9u<span>&nbsp; <\/span>v\u1ec1 th&agrave;nh ph\u1ea7n lo&agrave;i th\u1ef1c v\u1eadt v&agrave; x&aacute;c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng c\u1ee7a c&aacute;c nh&acirc;n t\u1ed1 m&ocirc;i tr\u01b0\u1eddng \u0111\u1ebfn ph&acirc;n b\u1ed1 c&aacute;c lo&agrave;i th\u1ef1c v\u1eadt r\u1eebng ng\u1eadp m\u1eb7n, nh\u1eb1m c&oacute; \u0111\u01b0\u1ee3c c&aacute;c c\u0103n c\u1ee9 khoa h\u1ecdc \u0111\u1ec1 xu\u1ea5t c&aacute;c bi\u1ec7n ph&aacute;p l\u1ef1a ch\u1ecdn lo&agrave;i c&acirc;y tr\u1ed3ng th&iacute;ch h\u1ee3p cho vi\u1ec7c t&aacute;i t\u1ea1o r\u1eebng ph&ograve;ng h\u1ed9 ven s&ocirc;ng m\u1ed9t c&aacute;ch b\u1ec1n v\u1eefng. Ti\u1ebfn h&agrave;nh l\u1eadp 3 tuy\u1ebfn \u0111i\u1ec1u tra th\u1eb3ng g&oacute;c v\u1edbi h\u01b0\u1edbng b\u1edd bi\u1ec3n, \u0111\u1ea1i di\u1ec7n cho c&aacute;c d\u1ea1ng ng\u1eadp tri\u1ec1u kh&aacute;c nhau, \u0111\u1ed9 m\u1eb7n n\u01b0\u1edbc bi\u1ec3n kh&aacute;c nhau trong v&ugrave;ng nghi&ecirc;n c\u1ee9u, \u0111i\u1ec1u tra th&agrave;nh ph\u1ea7n lo&agrave;i, \u0111&agrave;o ph\u1eabu di\u1ec7n, l\u1ea5y m\u1eabu \u0111\u1ea5t<span>&nbsp; <\/span>\u1edf \u0111\u1ed9 s&acirc;u 0-10cm v&agrave; 40-50cm, c\u1eafm c\u1ecdc \u0111o th\u1ee7y tri\u1ec1u. K\u1ebft qu\u1ea3 cho th\u1ea5y khu v\u1ef1c nghi&ecirc;n c\u1ee9u c&oacute; 33 lo&agrave;i c\u1ee7a 20 h\u1ecd th\u1ef1c v\u1eadt .<\/span><\/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\/9401"}],"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=9401"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9401\/revisions"}],"predecessor-version":[{"id":15281,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9401\/revisions\/15281"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9401"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9401"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}