{"id":20920,"date":"2025-10-06T14:50:04","date_gmt":"2025-10-06T07:50:04","guid":{"rendered":"https:\/\/nopphatnguoi.vn\/blog\/khi-hau-thay-doi-cay-coi-tren-dat-lien-hut-carbon-nhieu-hon-tao-bien-giam\/"},"modified":"2025-10-06T14:50:05","modified_gmt":"2025-10-06T07:50:05","slug":"khi-hau-thay-doi-cay-coi-tren-dat-lien-hut-carbon-nhieu-hon-tao-bien-giam","status":"publish","type":"post","link":"https:\/\/nopphatnguoi.vn\/blog\/khi-hau-thay-doi-cay-coi-tren-dat-lien-hut-carbon-nhieu-hon-tao-bien-giam\/","title":{"rendered":"Kh\u00ed h\u1eadu thay \u0111\u1ed5i: C\u00e2y c\u1ed1i tr\u00ean \u0111\u1ea5t li\u1ec1n &#8216;h\u00fat&#8217; carbon nhi\u1ec1u h\u01a1n, t\u1ea3o bi\u1ec3n gi\u1ea3m"},"content":{"rendered":"<div>\n<div>\n<p>Trong giai &#273;o&#7841;n t&#7915; n&#259;m 2003 &#273;&#7871;n 2021, c&aacute;c h&#7879; sinh th&aacute;i tr&ecirc;n Tr&aacute;i &#273;&#7845;t &#273;&atilde; tr&#7843;i qua nh&#7919;ng bi&#7871;n &#273;&#7893;i &#273;&aacute;ng k&#7875;. M&#7897;t nghi&ecirc;n c&#7913;u m&#7899;i &#273;&#432;&#7907;c &#272;&#7841;i h&#7885;c Duke th&#7921;c hi&#7879;n v&agrave; c&ocirc;ng b&#7889; tr&ecirc;n t&#7841;p ch&iacute; Nature Climate Change &#273;&atilde; ch&#7881; ra r&#7857;ng, m&#7863;c d&ugrave; c&acirc;y c&#7889;i tr&ecirc;n &#273;&#7845;t li&#7873;n ph&aacute;t tri&#7875;n m&#7841;nh m&#7869;, th&#7921;c v&#7853;t bi&#7875;n l&#7841;i suy gi&#7843;m &#273;&aacute;ng k&#7875;. S&#7921; ph&aacute;t tri&#7875;n c&#7911;a c&acirc;y c&#7889;i tr&ecirc;n &#273;&#7845;t li&#7873;n ch&#7911; y&#7871;u t&#7853;p trung &#7903; c&aacute;c v&ugrave;ng &ocirc;n &#273;&#7899;i v&agrave; v&#297; &#273;&#7897; cao, n&#417;i kh&iacute; h&#7853;u &#7845;m h&#417;n v&agrave; l&#432;&#7907;ng m&#432;a d&#7891;i d&agrave;o &#273;&atilde; t&#7841;o &#273;i&#7873;u ki&#7879;n thu&#7853;n l&#7907;i cho qu&aacute; tr&igrave;nh quang h&#7907;p.<\/p>\n<p>Theo nghi&ecirc;n c&#7913;u, t&#7915; n&#259;m 2003 &#273;&#7871;n 2021, l&#432;&#7907;ng carbon dioxide m&agrave; th&#7921;c v&#7853;t tr&ecirc;n &#273;&#7845;t li&#7873;n h&#7845;p th&#7909; &#273;&atilde; t&#259;ng th&ecirc;m 0,2 t&#7927; t&#7845;n m&#7895;i n&#259;m. S&#7921; gia t&#259;ng n&agrave;y c&oacute; th&#7875; &#273;&#432;&#7907;c l&yacute; gi&#7843;i b&#7903;i vi&#7879;c c&acirc;y c&#7889;i t&#7841;i c&aacute;c khu v&#7921;c &ocirc;n &#273;&#7899;i v&agrave; v&#297; &#273;&#7897; cao &#273;&#432;&#7907;c h&#432;&#7903;ng l&#7907;i t&#7915; kh&iacute; h&#7853;u &#7845;m h&#417;n v&agrave; l&#432;&#7907;ng m&#432;a nhi&#7873;u h&#417;n, k&eacute;o d&agrave;i m&ugrave;a sinh tr&#432;&#7903;ng v&agrave; t&#259;ng c&#432;&#7901;ng kh&#7843; n&#259;ng quang h&#7907;p. Ng&#432;&#7907;c l&#7841;i, th&#7921;c v&#7853;t bi&#7875;n, ch&#7911; y&#7871;u t&#7853;p trung &#7903; v&ugrave;ng bi&#7875;n nhi&#7879;t &#273;&#7899;i v&agrave; c&#7853;n nhi&#7879;t &#273;&#7899;i, &#273;&atilde; tr&#7843;i qua m&#7897;t s&#7921; suy gi&#7843;m kh&#7843; n&#259;ng quang h&#7907;p kho&#7843;ng 0,1 t&#7927; t&#7845;n m&#7895;i n&#259;m. Nguy&ecirc;n nh&acirc;n ch&iacute;nh c&#7911;a s&#7921; suy gi&#7843;m n&agrave;y l&agrave; do n&#432;&#7899;c bi&#7875;n &#7845;m l&ecirc;n, d&#7851;n &#273;&#7871;n h&#7841;n ch&#7871; ngu&#7891;n dinh d&#432;&#7905;ng c&#7847;n thi&#7871;t cho s&#7921; ph&aacute;t tri&#7875;n c&#7911;a t&#7843;o bi&#7875;n.<\/p>\n<p>K&#7871;t qu&#7843; cu&#7889;i c&ugrave;ng c&#7911;a s&#7921; thay &#273;&#7893;i n&agrave;y l&agrave; c&aacute;c h&#7879; sinh th&aacute;i tr&ecirc;n &#273;&#7845;t li&#7873;n &#273;&atilde; chi&#7871;m &#432;u th&#7871; trong vi&#7879;c h&#7845;p th&#7909; carbon dioxide. &#272;i&#7873;u n&agrave;y &#273;&atilde; d&#7851;n &#273;&#7871;n m&#7897;t s&#7921; gia t&#259;ng l&#432;&#7907;ng carbon &#273;&#432;&#7907;c h&#7845;p th&#7909; to&agrave;n c&#7847;u trung b&igrave;nh 0,1 t&#7927; t&#7845;n m&#7895;i n&#259;m trong giai &#273;o&#7841;n t&#7915; 2003 &#273;&#7871;n 2021. S&#7921; gia t&#259;ng n&agrave;y &#273;&oacute;ng vai tr&ograve; quan tr&#7885;ng kh&ocirc;ng ch&#7881; trong vi&#7879;c &#7893;n &#273;&#7883;nh kh&iacute; h&#7853;u m&agrave; c&ograve;n cung c&#7845;p c&aacute;c t&agrave;i nguy&ecirc;n sinh h&#7885;c thi&#7871;t y&#7871;u nh&#432; l&#432;&#417;ng th&#7921;c v&agrave; s&#7907;i v&#7843;i cho con ng&#432;&#7901;i.<\/p>\n<p>&#272;&#7875; &#273;&#7841;t &#273;&#432;&#7907;c nh&#7919;ng k&#7871;t lu&#7853;n n&agrave;y, nh&oacute;m nghi&ecirc;n c&#7913;u &#273;&atilde; s&#7917; d&#7909;ng d&#7919; li&#7879;u t&#7915; c&aacute;c v&#7879; tinh &#273;&#7875; &#273;&aacute;nh gi&aacute; m&#7913;c &#273;&#7897; quang h&#7907;p tr&ecirc;n to&agrave;n c&#7847;u. H&#7885; c&#361;ng ti&#7871;n h&agrave;nh ph&acirc;n t&iacute;ch nhi&#7873;u y&#7871;u t&#7889; m&ocirc;i tr&#432;&#7901;ng, bao g&#7891;m nhi&#7879;t &#273;&#7897; kh&ocirc;ng kh&iacute; v&agrave; m&#7863;t bi&#7875;n, l&#432;&#7907;ng m&#432;a, v&agrave; &#273;&#7897; s&acirc;u c&#7911;a l&#7899;p n&#432;&#7899;c h&#7895;n h&#7907;p &#7903; &#273;&#7841;i d&#432;&#417;ng. Nghi&ecirc;n c&#7913;u nh&#7845;n m&#7841;nh vai tr&ograve; quan tr&#7885;ng c&#7911;a c&aacute;c khu r&#7915;ng &ocirc;n &#273;&#7899;i v&agrave; r&#7915;ng taiga &#7903; v&#297; &#273;&#7897; cao t&#7841;i B&#7855;c b&aacute;n c&#7847;u, n&#417;i m&agrave; s&#7921; &#7845;m l&ecirc;n c&#7911;a kh&iacute; h&#7853;u &#273;&atilde; k&eacute;o d&agrave;i m&ugrave;a sinh tr&#432;&#7903;ng, cho ph&eacute;p c&acirc;y c&#7889;i h&#7845;p th&#7909; nhi&#7873;u carbon h&#417;n.<\/p>\n<p>Tuy nhi&ecirc;n, s&#7921; suy gi&#7843;m kh&#7843; n&#259;ng quang h&#7907;p c&#7911;a th&#7921;c v&#7853;t bi&#7875;n &#7903; c&aacute;c v&ugrave;ng nhi&#7879;t &#273;&#7899;i c&oacute; th&#7875; g&acirc;y ra nh&#7919;ng h&#7853;u qu&#7843; ti&ecirc;u c&#7921;c. &#272;i&#7873;u n&agrave;y c&oacute; th&#7875; l&agrave;m suy y&#7871;u chu&#7895;i th&#7913;c &#259;n t&#7841;i nh&#7919;ng khu v&#7921;c n&agrave;y, &#7843;nh h&#432;&#7903;ng x&#7845;u &#273;&#7871;n &#273;a d&#7841;ng sinh h&#7885;c, ng&agrave;nh &#273;&aacute;nh b&#7855;t th&#7911;y s&#7843;n, v&agrave; kinh t&#7871; &#273;&#7883;a ph&#432;&#417;ng. N&#7871;u t&igrave;nh tr&#7841;ng n&agrave;y ti&#7871;p t&#7909;c, kh&#7843; n&#259;ng h&#7845;p th&#7909; carbon &#7903; c&aacute;c khu v&#7921;c nhi&#7879;t &#273;&#7899;i c&oacute; th&#7875; b&#7883; suy gi&#7843;m nghi&ecirc;m tr&#7885;ng, l&agrave;m tr&#7847;m tr&#7885;ng h&#417;n t&aacute;c &#273;&#7897;ng c&#7911;a bi&#7871;n &#273;&#7893;i kh&iacute; h&#7853;u.<\/p>\n<p>C&aacute;c nh&agrave; khoa h&#7885;c nh&#7845;n m&#7841;nh s&#7921; c&#7847;n thi&#7871;t c&#7911;a vi&#7879;c ti&#7871;p t&#7909;c gi&aacute;m s&aacute;t d&agrave;i h&#7841;n c&#7843; h&#7879; sinh th&aacute;i tr&ecirc;n &#273;&#7845;t li&#7873;n v&agrave; &#273;&#7841;i d&#432;&#417;ng. &#272;i&#7873;u n&agrave;y s&#7869; gi&uacute;p hi&#7875;u r&otilde; h&#417;n v&#7873; xu h&#432;&#7899;ng t&#432;&#417;ng lai, t&igrave;m ra c&aacute;c bi&#7879;n ph&aacute;p &#7913;ng ph&oacute; ph&ugrave; h&#7907;p, v&agrave; &#273;&#7843;m b&#7843;o s&#7921; c&acirc;n b&#7857;ng b&#7873;n v&#7919;ng c&#7911;a c&aacute;c h&#7879; sinh th&aacute;i tr&#432;&#7899;c nh&#7919;ng th&aacute;ch th&#7913;c m&ocirc;i tr&#432;&#7901;ng to&agrave;n c&#7847;u ng&agrave;y c&agrave;ng gia t&#259;ng.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c thay \u0111\u1ed5i kh\u00ed h\u1eadu t\u1eeb n\u0103m 2003 \u0111\u1ebfn 2021 \u0111\u00e3 t\u1ea1o ra cu\u1ed9c \u0111ua gi\u1eefa kh\u1ea3 n\u0103ng quang h\u1ee3p \u1edf th\u1ef1c v\u1eadt tr\u00ean \u0111\u1ea5t li\u1ec1n v\u00e0 d\u01b0\u1edbi bi\u1ec3n. C\u00e2y tr\u00ean c\u1ea1n t\u0103ng kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 carbon do \u1ea5m \u00e1p v\u00e0 m\u01b0a nhi\u1ec1u h\u01a1n, trong khi t\u1ea3o bi\u1ec3n gi\u1ea3m do n\u01b0\u1edbc \u1ea5m v\u00e0 thi\u1ebfu dinh d\u01b0\u1ee1ng. H\u1ec7 sinh th\u00e1i tr\u00ean c\u1ea1n \u0111\u00e3 h\u1ea5p th\u1ee5 th\u00eam 0.1 t\u1ef7 t\u1ea5n carbon\/n\u0103m, cung c\u1ea5p th\u1ef1c ph\u1ea9m, s\u1ee3i v\u00e0 t\u00e0i nguy\u00ean sinh h\u1ecdc. Tuy nhi\u00ean, suy gi\u1ea3m quang h\u1ee3p \u1edf th\u1ef1c v\u1eadt bi\u1ec3n nhi\u1ec7t \u0111\u1edbi \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn \u0111a d\u1ea1ng sinh h\u1ecdc, \u0111\u00e1nh b\u1eaft v\u00e0 kinh t\u1ebf \u0111\u1ecba ph\u01b0\u01a1ng, c\u00f3 th\u1ec3 gi\u1ea3m h\u1ea5p th\u1ee5 carbon \u1edf v\u00f9ng nhi\u1ec7t \u0111\u1edbi.<\/p>\n","protected":false},"author":1,"featured_media":20921,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[3,12],"tags":[2755,3435,3519,99,4431,16204,16203],"class_list":["post-20920","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thoi-su","category-xa-hoi","tag-bien-doi-khi-hau","tag-da-dang-sinh-hoc","tag-he-sinh-thai","tag-khi-hau","tag-kinh-te-dia-phuong","tag-tao-bien","tag-thuc-vat"],"_links":{"self":[{"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/posts\/20920","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/comments?post=20920"}],"version-history":[{"count":0,"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/posts\/20920\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/media\/20921"}],"wp:attachment":[{"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/media?parent=20920"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/categories?post=20920"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/tags?post=20920"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}