{"id":9807,"date":"2012-04-12T08:20:51","date_gmt":"2012-04-12T01:20:51","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/04\/nghien-cuu-kha-nang-hap-thu-cac-bon-cua-rung-trong-3-loai-keo-o-viet-nam\/"},"modified":"2013-10-06T09:02:43","modified_gmt":"2013-10-06T02:02:43","slug":"nghien-cuu-kha-nang-hap-thu-cac-bon-cua-rung-trong-3-loai-keo-o-viet-nam","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-kha-nang-hap-thu-cac-bon-cua-rung-trong-3-loai-keo-o-viet-nam\/","title":{"rendered":"Nghi\u00ean c\u1ee9u kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 c\u00e1c bon c\u1ee7a r\u1eebng tr\u1ed3ng 3 lo\u00e0i keo \u1edf Vi\u1ec7t Nam"},"content":{"rendered":"<p> <strong>V\u00f5 \u0110\u1ea1i H\u1ea3i <\/strong> <\/p>\n<p> <em>Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em> <\/p>\n<p> <strong>T\u00d3M T\u1eaeT<\/strong> <\/p>\n<p> Nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u1eb1m x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng carbon h\u1ea5p th\u1ee5 c\u1ee7a 3 d\u1ea1ng r\u1eebng tr\u1ed3ng ph\u1ed5 bi\u1ebfn \u1edf Vi\u1ec7t Nam l\u00e0 r\u1eebng tr\u1ed3ng thu\u1ea7n lo\u00e0i Keo lai, Keo tai t\u01b0\u1ee3ng v\u00e0 Keo l\u00e1 tr\u00e0m g\u00f3p ph\u1ea7n cung c\u1ea5p c\u01a1 s\u1edf khoa h\u1ecdc cho vi\u1ec7c \u0111\u1ecbnh l\u01b0\u1ee3ng gi\u00e1 tr\u1ecb m\u00f4i tr\u01b0\u1eddng v\u00e0 chi tr\u1ea3 d\u1ecbch v\u1ee5 m\u00f4i tr\u01b0\u1eddng r\u1eebng \u1edf n\u01b0\u1edbc ta.  <\/p>\n<p> K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho th\u1ea5y, t\u1ed5ng l\u01b0\u1ee3ng carbon h\u1ea5p th\u1ee5 trung b\u00ecnh c\u1ee7a l\u00e2m ph\u1ea7n Keo lai l\u00e0 68,92 t\u1ea5n carbon\/ha, r\u1eebng Keo tai t\u01b0\u1ee3ng trung b\u00ecnh l\u00e0 93,04 t\u1ea5n carbon\/ha v\u00e0 r\u1eebng Keo l\u00e1 tr\u00e0m \u0111\u1ea1t kho\u1ea3ng 51,91 t\u1ea5n carbon\/ha. C\u1ea5u tr\u00fac l\u01b0\u1ee3ng carbon trong l\u00e2m ph\u1ea7n t\u1eadp trung ch\u1ee7 y\u1ebfu \u1edf trong \u0111\u1ea5t r\u1eebng (chi\u1ebfm 36,86 &#8211; 95,6% \u0111\u1ed1i v\u1edbi Keo lai, trung b\u00ecnh 44% \u0111\u1ed1i v\u1edbi Keo tai t\u01b0\u1ee3ng v\u00e0 26,43 &#8211; 86,77% \u0111\u1ed1i v\u1edbi Keo l\u00e1 tr\u00e0m),\u2026 \u1ede c\u00f9ng m\u1ed9t tu\u1ed5i, l\u01b0\u1ee3ng carbon h\u1ea5p th\u1ee5 c\u1ee7a l\u00e2m ph\u1ea7n c\u00f3 xu h\u01b0\u1edbng gi\u1ea3m d\u1ea7n theo c\u1ea5p \u0111\u1ea5t v\u00e0 trong c\u00f9ng m\u1ed9t c\u1ea5p \u0111\u1ea5t th\u00ec l\u01b0\u1ee3ng carbon h\u1ea5p th\u1ee5 c\u1ee7a l\u00e2m ph\u1ea7n t\u0103ng d\u1ea7n theo tu\u1ed5i, ch\u1eb3ng h\u1ea1n \u0111\u1ed1i v\u1edbi lo\u00e0i Keo lai, \u1edf c\u00f9ng tu\u1ed5i 4 l\u01b0\u1ee3ng carbon h\u1ea5p th\u1ee5 \u1edf c\u1ea5p \u0111\u1ea5t I \u0111\u1ea1t 81,16 t\u1ea5n carbon\/ha v\u00e0 con s\u1ed1 n\u00e0y gi\u1ea3m xu\u1ed1ng ch\u1ec9 c\u00f2n 58,11 t\u1ea5n carbon\/ha \u0111\u1ed1i v\u1edbi c\u1ea5p \u0111\u1ea5t IV;&#8230;. Gi\u1eefa t\u1ed5ng l\u01b0\u1ee3ng carbon h\u1ea5p th\u1ee5 c\u1ee7a l\u00e2m ph\u1ea7n 3 lo\u00e0i Keo c\u00f3 m\u1ed1i quan h\u1ec7 ch\u1eb7t ch\u1ebd v\u1edbi c\u00e1c nh\u00e2n t\u1ed1 \u0111i\u1ec1u tra d\u1ec5 \u0111o \u0111\u1ebfm nh\u01b0: tu\u1ed5i (A), m\u1eadt \u0111\u1ed9 (N), \u0111\u01b0\u1eddng k\u00ednh ngang ng\u1ef1c (D<sub>1,3<\/sub>), chi\u1ec1u cao v\u00fat ng\u1ecdn (H<sub>vn<\/sub>). Do v\u1eady, trong th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 \u1ee9ng d\u1ee5ng c\u00e1c k\u1ebft qu\u1ea3 n\u00e0y trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh nhanh kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 carbon c\u1ee7a 3 d\u1ea1ng r\u1eebng tr\u1ed3ng n\u00f3i tr\u00ean. <\/p>\n<p> <strong>T\u1eeb kh\u00f3a: <\/strong>H\u1ea5p th\u1ee5 carbon; R\u1eebng tr\u1ed3ng thu\u1ea7n lo\u00e0i; Keo lai; Keo tai t\u01b0\u1ee3ng; Keo l\u00e1 tr\u00e0m <\/p>\n<p> <strong>\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong> <\/p>\n<p> Bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu to\u00e0n c\u1ea7u do s\u1ef1 gia t\u0103ng n\u1ed3ng \u0111\u1ed9 C0<sub>2<\/sub> trong kh\u00ed quy\u1ec3n \u0111\u00e3 v\u00e0 \u0111ang g\u00e2y n\u00ean nh\u1eefng t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c v\u1ec1 m\u00f4i tr\u01b0\u1eddng s\u1ed1ng nh\u01b0 m\u1ef1c n\u01b0\u1edbc bi\u1ec3n d\u00e2ng, h\u1ea1n h\u00e1n, l\u0169 l\u1ee5t,&#8230; \u1ea3nh h\u01b0\u1edfng r\u1ea5t l\u1edbn t\u1edbi \u0111\u1eddi s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi v\u00e0 tr\u1edf th\u00e0nh m\u1ed1i quan t\u00e2m chung c\u1ee7a to\u00e0n x\u00e3 h\u1ed9i. V\u1edbi h\u00e0ng lo\u1ea1t c\u00e1c s\u1ef1 ki\u1ec7n nh\u01b0 ph\u00ea chu\u1ea9n C\u00f4ng \u01b0\u1edbc bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu (n\u0103m 1994), k\u00fd Ngh\u1ecb \u0111\u1ecbnh th\u01b0 Kyoto (n\u0103m 2002) v\u00e0 th\u00e0nh l\u1eadp Ban T\u01b0 v\u1ea5n v\u00e0 \u0110i\u1ec1u h\u00e0nh qu\u1ed1c gia v\u1ec1 CDM (n\u0103m 2003) cho th\u1ea5y, Vi\u1ec7t Nam \u0111\u00e3 c\u00f3 nh\u1eefng ho\u1ea1t \u0111\u1ed9ng t\u00edch c\u1ef1c \u0111\u1ec3 g\u00f3p ph\u1ea7n ng\u0103n ch\u1eb7n s\u1ef1 n\u00f3ng l\u00ean c\u1ee7a tr\u00e1i \u0111\u1ea5t tr\u00ean ph\u1ea1m vi to\u00e0n c\u1ea7u. CDM v\u00e0 hi\u1ec7n nay l\u00e0 REDD \u0111\u00e3 m\u1edf ra c\u01a1 h\u1ed9i l\u1edbn \u0111\u1ea7y tri\u1ec3n v\u1ecdng cho ng\u00e0nh l\u00e2m nghi\u1ec7p trong vi\u1ec7c chi tr\u1ea3 c\u00e1c d\u1ecbch v\u1ee5 m\u00f4i tr\u01b0\u1eddng r\u1eebng, \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u1ea3 n\u0103ng l\u01b0u gi\u1eef carbon c\u1ee7a h\u1ec7 sinh th\u00e1i r\u1eebng. Tuy nhi\u00ean, nh\u1eefng nghi\u00ean c\u1ee9u v\u1ec1 l\u01b0\u1ee3ng gi\u00e1 c\u00e1c gi\u00e1 tr\u1ecb c\u1ee7a r\u1eebng th\u01b0\u1eddng ch\u1ec9 t\u1eadp trung v\u00e0o c\u00e1c gi\u00e1 tr\u1ecb kinh t\u1ebf, ph\u00f2ng ch\u1ed1ng x\u00f3i m\u00f2n, \u0111i\u1ec1u ti\u1ebft n\u01b0\u1edbc c\u1ee7a r\u1eebng,\u2026m\u00e0 ch\u01b0a quan t\u00e2m \u0111\u00fang m\u1ee9c \u0111\u1ebfn gi\u00e1 tr\u1ecb d\u1ecbch v\u1ee5 m\u00f4i tr\u01b0\u1eddng r\u1eebng, \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 carbon. V\u00ec v\u1eady, vi\u1ec7c \u0111\u1ecbnh l\u01b0\u1ee3ng kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 carbon l\u00e0m c\u01a1 s\u1edf x\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb th\u01b0\u01a1ng m\u1ea1i carbon l\u00e0 vi\u1ec7c l\u00e0m c\u1ea7n thi\u1ebft, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi 3 lo\u00e0i Keo (Keo lai, Keo l\u00e1 tr\u00e0m, Keo tai t\u01b0\u1ee3ng) &#8211; nh\u1eefng lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng ch\u00ednh \u1edf n\u01b0\u1edbc ta hi\u1ec7n nay. <\/p>\n<p> <em>(K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u khoa h\u1ecdc c\u00f4ng ngh\u1ec7 L\u00e2m nghi\u1ec7p giai \u0111o\u1ea1n 2006-2010, trang 305-315)<\/em> <\/p>\n","protected":false},"excerpt":{"rendered":"<p><!--[if gte mso 9]><xml>\n<w:WordDocument>\n<w:View>Normal<\/w:View>\n<w:Zoom>0<\/w:Zoom>\n<w:PunctuationKerning\/>\n<w:ValidateAgainstSchemas\/>\n<w:SaveIfXMLInvalid>false<\/w:SaveIfXMLInvalid>\n<w:IgnoreMixedContent>false<\/w:IgnoreMixedContent>\n<w:AlwaysShowPlaceholderText>false<\/w:AlwaysShowPlaceholderText>\n<w:Compatibility>\n<w:BreakWrappedTables\/>\n<w:SnapToGridInCell\/>\n<w:WrapTextWithPunct\/>\n<w:UseAsianBreakRules\/>\n<w:DontGrowAutofit\/>\n<\/w:Compatibility>\n<w:BrowserLevel>MicrosoftInternetExplorer4<\/w:BrowserLevel>\n<\/w:WordDocument>\n<\/xml><![endif]--><!--[if gte mso 9]><xml>\n<w:LatentStyles DefLockedState=\"false\" LatentStyleCount=\"156\">\n<\/w:LatentStyles>\n<\/xml><![endif]--><!--[if gte mso 10]>\n\n\n<style>\n\/* Style Definitions *\/\ntable.MsoNormalTable\n{mso-style-name:\"Table Normal\";\nmso-tstyle-rowband-size:0;\nmso-tstyle-colband-size:0;\nmso-style-noshow:yes;\nmso-style-parent:\"\";\nmso-padding-alt:0pt 5.4pt 0pt 5.4pt;\nmso-para-margin:0pt;\nmso-para-margin-bottom:.0001pt;\nmso-pagination:widow-orphan;\nfont-size:10.0pt;\nfont-family:\"Times New Roman\";\nmso-ansi-language:#0400;\nmso-fareast-language:#0400;\nmso-bidi-language:#0400;}\n<\/style>\n\n\n<![endif]--><\/p>\n<p style=\"margin: 6pt 0pt; text-align: justify\" class=\"MsoNormal\" align=\"justify\">\n<span style=\"font-size: 10pt; font-family: Arial\">Nghi&ecirc;n c\u1ee9u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u1eb1m x&aacute;c \u0111\u1ecbnh l\u01b0\u1ee3ng carbon h\u1ea5p th\u1ee5 c\u1ee7a 3 d\u1ea1ng<br \/>\nr\u1eebng tr\u1ed3ng ph\u1ed5 bi\u1ebfn \u1edf Vi\u1ec7t Nam l&agrave; r\u1eebng tr\u1ed3ng thu\u1ea7n lo&agrave;i Keo lai, Keo tai t\u01b0\u1ee3ng<br \/>\nv&agrave; Keo l&aacute; tr&agrave;m g&oacute;p ph\u1ea7n cung c\u1ea5p c\u01a1 s\u1edf khoa h\u1ecdc cho vi\u1ec7c \u0111\u1ecbnh l\u01b0\u1ee3ng gi&aacute; tr\u1ecb m&ocirc;i<br \/>\ntr\u01b0\u1eddng v&agrave; chi tr\u1ea3 d\u1ecbch v\u1ee5 m&ocirc;i tr\u01b0\u1eddng r\u1eebng \u1edf n\u01b0\u1edbc ta. <\/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\/9807"}],"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=9807"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9807\/revisions"}],"predecessor-version":[{"id":11258,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9807\/revisions\/11258"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}