{"id":9891,"date":"2012-09-20T07:20:17","date_gmt":"2012-09-20T00:20:17","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/09\/nghien-cuu-dac-diem-lam-hoc-rung-kin-am-thuong-xanh-am-nhiet-doi-tai-ban-quan-ly-rung-phong-ho-tan-phu-dong-nai\/"},"modified":"2015-05-19T13:30:53","modified_gmt":"2015-05-19T06:30:53","slug":"nghien-cuu-dac-diem-lam-hoc-rung-kin-am-thuong-xanh-am-nhiet-doi-tai-ban-quan-ly-rung-phong-ho-tan-phu-dong-nai","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-dac-diem-lam-hoc-rung-kin-am-thuong-xanh-am-nhiet-doi-tai-ban-quan-ly-rung-phong-ho-tan-phu-dong-nai\/","title":{"rendered":"Nghi\u00ean c\u1ee9u \u0111\u1eb7c \u0111i\u1ec3m l\u00e2m h\u1ecdc r\u1eebng k\u00edn \u1ea9m th\u01b0\u1eddng xanh \u1ea9m nhi\u1ec7t \u0111\u1edbi t\u1ea1i Ban qu\u1ea3n l\u00fd r\u1eebng ph\u00f2ng h\u1ed9 T\u00e2n Ph\u00fa &#8211; \u0110\u1ed3ng Nai"},"content":{"rendered":"<p><strong>Phan Minh Xu\u00e2n<\/strong><\/p>\n<p><em>Khoa L\u00e2m nghi\u1ec7p, \u0110\u1ea1i h\u1ecdc N\u00f4ng L\u00e2m Tp. HCM<\/em><\/p>\n<p><strong>T\u00d3M T\u1eaeT<\/strong><\/p>\n<p>R\u1eebng k\u00edn th\u01b0\u1eddng xanh \u1ea9m nhi\u1ec7t \u0111\u1edbi t\u1ea1i Ban qu\u1ea3n l\u00fd r\u1eebng ph\u00f2ng h\u1ed9 T\u00e2n Ph\u00fa t\u1ec9nh \u0110\u1ed3ng Nai c\u00f3 th\u00e0nh ph\u1ea7n th\u1ef1c v\u1eadt phong ph\u00fa v\u00e0 \u0111a d\u1ea1ng, \u0111a s\u1ed1 c\u00e1c lo\u00e0i c\u00e2y thu\u1ed9c h\u1ecd Dipterocarpaceae, Euphorbiaceae, Fabaceae, Myrtaceae, Annonaceae, Tiliaceae,\u2026 Qua k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u00e3 cho th\u1ea5y th\u00e0nh ph\u1ea7n c\u00e2y th\u00e2n g\u1ed7 c\u00f3 71 lo\u00e0i, 49 chi thu\u1ed9c 36 h\u1ecd th\u1ef1c v\u1eadt g\u1ed3m c\u00f3 40 lo\u00e0i thu\u1ed9c g\u1ed7 l\u1edbn, 22 lo\u00e0i g\u1ed7 trung b\u00ecnh v\u00e0 9 lo\u00e0i g\u1ed7 nh\u1ecf, trong \u0111\u00f3 c\u00f3 5 lo\u00e0i thu\u1ed9c s\u00e1ch \u0111\u1ecf Vi\u1ec7t Nam. Th\u00e0nh ph\u1ea7n th\u1ef1c v\u1eadt t\u1ea1i khu v\u1ef1c t\u1ea1o n\u00ean hai \u01b0u h\u1ee3p ch\u00ednh, \u0111\u00f3 l\u00e0: \u01b0u h\u1ee3p 1: C\u1ea7y+D\u1ea7u song n\u00e0ng+S\u1ebfn c\u00e1t+Ch\u00f2 chai+\u2026 v\u00e0 \u01b0u h\u1ee3p 2: B\u1eb1ng l\u0103ng \u1ed5i+D\u1ea7u r\u00e1i+S\u0103ng \u0111en+D\u1ea7u song n\u00e0ng+\u2026 C\u1ea5u tr\u00fac \u0111\u1ee9ng c\u1ee7a r\u1eebng bao g\u1ed3m 3 t\u1ea7ng t\u00e1n, \u0111\u1ed3 th\u1ecb ph\u00e2n b\u1ed1 s\u1ed1 c\u00e2y theo c\u1ea5p chi\u1ec1u cao l\u1ec7ch tr\u00e1i ph\u00f9 h\u1ee3p ph\u00e2n b\u1ed1 Weibull \u1edf \u01b0u h\u1ee3p 1 v\u00e0 ph\u00e2n b\u1ed1 Normal \u1edf \u01b0u h\u1ee3p 2; C\u1ea5u tr\u00fac ngang c\u1ee7a r\u1eebng c\u00f3 d\u1ea1ng ph\u00e2n b\u1ed1 gi\u1ea3m ph\u00f9 h\u1ee3p v\u1edbi ph\u00e2n b\u1ed1 Mayer cho c\u1ea3 hai \u01b0u h\u1ee3p, ph\u1ea7n l\u1edbn s\u1ed1 c\u00e2y thu\u1ed9c c\u1ea5p ph\u1ea9m ch\u1ea5t t\u1ed1t v\u00e0 trung b\u00ecnh. \u0110\u1ed9 t\u00e0n che c\u1ee7a \u01b0u h\u1ee3p 1 l\u00e0 0,76, \u01b0u h\u1ee3p 2 l\u00e0 0,71 v\u00e0 trung b\u00ecnh c\u1ee7a r\u1eebng l\u00e0 0,74. \u01afu h\u1ee3p 1 c\u00f3 m\u1eadt \u0111\u1ed9 654 c\u00e2y\/ha, ti\u1ebft di\u1ec7n ngang 28,7 m<sup>2<\/sup>\/ha v\u00e0 tr\u1eef l\u01b0\u1ee3ng l\u00e0 259,2 m<sup>3<\/sup>\/ha; \u1edf \u01b0u h\u1ee3p 2 c\u00f3 m\u1eadt \u0111\u1ed9 747 c\u00e2y\/ha, ti\u1ebft di\u1ec7n ngang 30,4 m<sup>2<\/sup>\/ha v\u00e0 tr\u1eef l\u01b0\u1ee3ng l\u00e0 264,6 m<sup>3<\/sup>\/ha. M\u1eadt \u0111\u1ed9 t\u00e1i sinh c\u1ee7a r\u1eebng t\u1ea1i khu v\u1ef1c nghi\u00ean c\u1ee9u cao, dao \u0111\u1ed9ng kho\u1ea3ng 13.639 c\u00e2y\/ha (\u01b0u h\u1ee3p 1) \u0111\u1ebfn 18.667 c\u00e2y\/ha (\u01b0u h\u1ee3p 2).<\/p>\n<p><strong>T\u1eeb kh\u00f3a:<\/strong> R\u1eebng ph\u00f2ng h\u1ed9, T\u1ed5 th\u00e0nh lo\u00e0i, \u0110\u1ed9 t\u00e0n che, \u01afu h\u1ee3p, T\u00e1i sinh<\/p>\n<p><strong>\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong><\/p>\n<p>Ban qu\u1ea3n l\u00fd r\u1eebng ph\u00f2ng h\u1ed9 T\u00e2n Ph\u00fa c\u00f3 t\u1ed5ng di\u1ec7n t\u00edch t\u1ef1 nhi\u00ean 13.733,12 ha, trong \u0111\u00f3 \u0111\u1ea5t c\u00f3 r\u1eebng l\u00e0 12.327,41 ha chi\u1ebfm 89,76%. R\u1eebng c\u1ee7a Ban qu\u1ea3n l\u00fd r\u1eebng ph\u00f2ng h\u1ed9 T\u00e2n ph\u00fa thu\u1ed9c v\u00e0nh \u0111ai h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi 1.000m, bao g\u1ed3m \u0111\u1ed3ng b\u1eb1ng, g\u00f2 v\u00e0 \u0111\u1ed3i th\u1ea5p, di\u1ec7n t\u00edch r\u1eebng t\u1ef1 nhi\u00ean thu\u1ed9c tr\u1ea1ng th\u00e1i r\u1eebng \u1ea9m th\u01b0\u1eddng xanh nhi\u1ec7t \u0111\u1edbi l\u00e0 v\u00e0nh \u0111ai l\u1edbn nh\u1ea5t c\u00f3 t\u00ednh ch\u1ea5t nhi\u1ec7t \u0111\u1edbi \u0111i\u1ec3n h\u00ecnh v\u1edbi h\u1ec7 th\u1ef1c v\u1eadt r\u1eebng r\u1ea5t ph\u1ee9c t\u1ea1p, ph\u00e2n b\u1ed1 \u01b0u th\u1ebf c\u00e1c lo\u00e0i c\u00e2y thu\u1ed9c h\u1ecd Dipterocarpaceae, Euphorbiaceae, Fabaceae, Myrtaceae, Annonaceae, Tiliaceae,\u2026 \u0110\u01b0\u1ee3c \u0111\u1ed5i t\u00ean t\u1eeb L\u00e2m tr\u01b0\u1eddng T\u00e2n Ph\u00fa n\u0103m 2007 th\u00e0nh Ban qu\u1ea3n l\u00fd r\u1eebng ph\u00f2ng h\u1ed9 T\u00e2n Ph\u00fa v\u1edbi nhi\u1ec7m v\u1ee5 qu\u1ea3n l\u00fd b\u1ea3o v\u1ec7, khoanh nu\u00f4i, ph\u1ee5c h\u1ed3i, tr\u1ed3ng r\u1eebng v\u00e0 ph\u1ee5c v\u1ee5 h\u1ecdc t\u1eadp, nghi\u00ean c\u1ee9u khoa h\u1ecdc, d\u1ecbch v\u1ee5 sinh th\u00e1i. Vi\u1ec7c nghi\u00ean c\u1ee9u \u0111\u1eb7c \u0111i\u1ec3m l\u00e2m h\u1ecdc c\u00f3 \u00fd ngh\u0129a r\u1ea5t quan tr\u1ecdng, gi\u00fap nh\u00e0 l\u00e2m h\u1ecdc bi\u1ebft \u0111\u01b0\u1ee3c t\u00ecnh h\u00ecnh r\u1eebng (th\u00e0nh ph\u1ea7n th\u1ef1c v\u1eadt, m\u1eadt \u0111\u1ed9, c\u1ea5u tr\u00fac t\u1ea7ng th\u1ee9, \u0111\u1ed9 che ph\u1ee7, tr\u1eef l\u01b0\u1ee3ng r\u1eebng, t\u00e1i sinh r\u1eebng,\u2026) t\u1eeb \u0111\u00f3 c\u00f3 nh\u1eefng \u0111\u1ecbnh h\u01b0\u1edbng ph\u00e1t tri\u1ec3n v\u00e0 trong c\u00f4ng t\u00e1c qu\u1ea3n l\u00fd b\u1ea3o v\u1ec7, nu\u00f4i d\u01b0\u1ee1ng, ph\u1ee5c h\u1ed3i r\u1eebng, \u0111a d\u1ea1ng sinh h\u1ecdc, d\u1ecbch v\u1ee5 sinh th\u00e1i, tr\u01b0\u1edbc h\u1ebft c\u1ea7n ph\u1ea3i nghi\u00ean c\u1ee9u n\u1eafm b\u1eaft nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m l\u00e2m h\u1ecdc t\u1ea1i khu v\u1ef1c \u0111\u1ec3 c\u00f3 c\u01a1 s\u1edf \u0111\u1ec1 ra k\u1ebf ho\u1ea1ch, ph\u01b0\u01a1ng \u00e1n ho\u1eb7c nh\u1eefng bi\u1ec7n ph\u00e1p l\u00e2m sinh t\u00e1c \u0111\u1ed9ng nh\u1eb1m d\u1eabn d\u1eaft r\u1eebng sinh tr\u01b0\u1edfng ph\u00e1t tri\u1ec3n \u0111\u1ea3m b\u1ea3o ph\u00e1t huy t\u1ed1t vai tr\u00f2 v\u00e0 ch\u1ee9c n\u0103ng ph\u00f2ng h\u1ed9 m\u00f4i tr\u01b0\u1eddng c\u1ee7a r\u1eebng.<\/p>\n<p><em>(T\u1ea1p ch\u00ed Khoa h\u1ecdc L\u00e2m nghi\u1ec7p s\u1ed1 2 n\u0103m 2012, trang 2227-2234)<\/em><\/p>\n<div><\/div>\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]--><\/p>\n<div align=\"justify\">\n<span style=\"font-size: 10pt; font-family: Arial\">R\u1eebng k&iacute;n th\u01b0\u1eddng xanh \u1ea9m nhi\u1ec7t \u0111\u1edbi t\u1ea1i Ban qu\u1ea3n<br \/>\nl&yacute; r\u1eebng ph&ograve;ng h\u1ed9 T&acirc;n Ph&uacute; t\u1ec9nh \u0110\u1ed3ng Nai c&oacute; th&agrave;nh ph\u1ea7n th\u1ef1c v\u1eadt phong ph&uacute; v&agrave; \u0111a<br \/>\nd\u1ea1ng, \u0111a s\u1ed1 c&aacute;c lo&agrave;i c&acirc;y thu\u1ed9c h\u1ecd Dipterocarpaceae, Euphorbiaceae, Fabaceae,<br \/>\nMyrtaceae, Annonaceae, Tiliaceae,&hellip;<\/span>\n<\/div>\n<p><!--[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:0cm 5.4pt 0cm 5.4pt;\nmso-para-margin:0cm;\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","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\/9891"}],"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=9891"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9891\/revisions"}],"predecessor-version":[{"id":15226,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9891\/revisions\/15226"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}