{"id":11900,"date":"2024-09-19T21:14:06","date_gmt":"2024-09-19T21:14:06","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=11900"},"modified":"2024-09-19T21:14:06","modified_gmt":"2024-09-19T21:14:06","slug":"climate-change-threatens-gulf-of-maine-cod-recovery","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/marine-biology\/climate-change-threatens-gulf-of-maine-cod-recovery\/","title":{"rendered":"Bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111e d\u1ecda s\u1ef1 ph\u1ee5c h\u1ed3i c\u1ee7a c\u00e1 tuy\u1ebft t\u1ea1i V\u1ecbnh Maine"},"content":{"rendered":"

Bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111e d\u1ecda s\u1ef1 ph\u1ee5c h\u1ed3i c\u1ee7a lo\u00e0i c\u00e1 tuy\u1ebft t\u1ea1i V\u1ecbnh Maine<\/h2>\n\n

Ngu\u1ed3n n\u01b0\u1edbc \u1ea5m h\u01a1n l\u00e0m suy y\u1ebfu n\u1ed7 l\u1ef1c qu\u1ea3n l\u00fd ngh\u1ec1 c\u00e1<\/h2>\n\n

Bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111ang \u0111\u1eb7t ra m\u1ed1i \u0111e d\u1ecda \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn s\u1ef1 ph\u1ee5c h\u1ed3i c\u1ee7a lo\u00e0i c\u00e1 tuy\u1ebft t\u1ea1i V\u1ecbnh Maine, b\u1ea5t ch\u1ea5p vi\u1ec7c \u00e1p d\u1ee5ng h\u1ea1n ng\u1ea1ch \u0111\u00e1nh b\u1eaft nghi\u00eam ng\u1eb7t. M\u1ed9t nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng V\u1ecbnh Maine \u1ea5m l\u00ean nhanh h\u01a1n nhi\u1ec1u so v\u1edbi ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a \u0111\u1ea1i d\u01b0\u01a1ng, t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn s\u1ef1 s\u1ed1ng c\u00f2n v\u00e0 sinh s\u1ea3n c\u1ee7a c\u00e1 tuy\u1ebft.<\/p>\n\n

T\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 \u0111\u1ebfn s\u1ef1 s\u1ed1ng c\u00f2n c\u1ee7a c\u00e1 tuy\u1ebft<\/h2>\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ph\u00e1t hi\u1ec7n ra r\u1eb1ng ngu\u1ed3n n\u01b0\u1edbc \u1ea5m h\u01a1n t\u1ea1i V\u1ecbnh Maine \u0111\u00e3 d\u1eabn \u0111\u1ebfn s\u1ef1 suy gi\u1ea3m v\u1ec1 t\u1ef7 l\u1ec7 s\u1ed1ng s\u00f3t c\u1ee7a \u1ea5u tr\u00f9ng v\u00e0 c\u00e1 tuy\u1ebft nh\u1ecf. C\u00e1 l\u1edbn tu\u1ed5i h\u01a1n c\u0169ng \u0111ang \u0111\u1ed1i m\u1eb7t v\u1edbi t\u1ef7 l\u1ec7 t\u1eed vong cao h\u01a1n. Nh\u1eefng t\u00e1c \u0111\u1ed9ng li\u00ean quan \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 n\u00e0y \u0111\u00e3 l\u00e0m cho h\u1ea1n ng\u1ea1ch \u0111\u00e1nh b\u1eaft tr\u1edf n\u00ean kh\u00f4ng hi\u1ec7u qu\u1ea3, v\u00ec ch\u00fang d\u1ef1a tr\u00ean nh\u1eefng gi\u1ea3 \u0111\u1ecbnh l\u1ed7i th\u1eddi v\u1ec1 t\u1ef7 l\u1ec7 s\u1ed1ng s\u00f3t c\u1ee7a c\u00e1 tuy\u1ebft.<\/p>\n\n

D\u00f2ng ch\u1ea3y v\u00f9ng V\u1ecbnh v\u00e0 s\u1ef1 n\u00f3ng l\u00ean c\u1ee7a B\u1eafc C\u1ef1c<\/h2>\n\n

S\u1ef1 n\u00f3ng l\u00ean nhanh ch\u00f3ng c\u1ee7a V\u1ecbnh Maine \u0111\u01b0\u1ee3c cho l\u00e0 do s\u1ef1 d\u1ecbch chuy\u1ec3n d\u00f2ng ch\u1ea3y v\u00f9ng V\u1ecbnh v\u1ec1 ph\u00eda b\u1eafc, nguy\u00ean nh\u00e2n l\u00e0 do s\u1ef1 thay \u0111\u1ed5i v\u1ec1 h\u01b0\u1edbng gi\u00f3. Th\u00eam v\u00e0o \u0111\u00f3, s\u1ef1 n\u00f3ng l\u00ean c\u1ee7a B\u1eafc C\u1ef1c \u0111ang g\u00f3p ph\u1ea7n l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh l\u01b0u th\u00f4ng ho\u00e0n l\u01b0u kinh tuy\u1ebfn c\u1ee7a \u0110\u1ea1i T\u00e2y D\u01b0\u01a1ng, \u0111i\u1ec1u n\u00e0y c\u0169ng c\u00f3 th\u1ec3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 trong s\u1ef1 d\u1ecbch chuy\u1ec3n c\u1ee7a d\u00f2ng ch\u1ea3y v\u00f9ng V\u1ecbnh.<\/p>\n\n

Nh\u1eefng t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn vi\u1ec7c qu\u1ea3n l\u00fd ngh\u1ec1 c\u00e1<\/h2>\n\n

Nghi\u00ean c\u1ee9u n\u00e0y nh\u1ea5n m\u1ea1nh s\u1ef1 c\u1ea7n thi\u1ebft ph\u1ea3i xem x\u00e9t nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 qu\u1ea3n l\u00fd ngh\u1ec1 c\u00e1 khi thi\u1ebft l\u1eadp h\u1ea1n ng\u1ea1ch \u0111\u00e1nh b\u1eaft. C\u00e1c h\u1ea1n ng\u1ea1ch hi\u1ec7n t\u1ea1i kh\u00f4ng t\u00ednh \u0111\u1ebfn nh\u1eefng t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c c\u1ee7a ngu\u1ed3n n\u01b0\u1edbc \u1ea5m h\u01a1n \u0111\u1ed1i v\u1edbi qu\u1ea7n th\u1ec3 c\u00e1 tuy\u1ebft. Do \u0111\u00f3, s\u1ef1 ph\u1ee5c h\u1ed3i v\u00e0 quy m\u00f4 d\u1ef1 ki\u1ebfn c\u1ee7a ngh\u1ec1 c\u00e1 tuy\u1ebft t\u1ea1i V\u1ecbnh Maine \u0111\u00e3 b\u1ecb \u0111\u00e1nh gi\u00e1 qu\u00e1 cao.<\/p>\n\n

Nh\u1eefng t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn c\u00e1c lo\u00e0i kh\u00e1c<\/h2>\n\n

S\u1ef1 suy gi\u1ea3m c\u1ee7a lo\u00e0i c\u00e1 tuy\u1ebft t\u1ea1i V\u1ecbnh Maine kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t s\u1ef1 c\u1ed1 \u0111\u01a1n l\u1ebb. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u nghi ng\u1edd r\u1eb1ng c\u00e1c lo\u00e0i kh\u00e1c \u1edf v\u00f9ng \u0110\u00f4ng B\u1eafc Hoa K\u1ef3 v\u00e0 nh\u1eefng n\u01a1i kh\u00e1c c\u0169ng c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng t\u01b0\u01a1ng t\u1ef1 b\u1edfi ngu\u1ed3n n\u01b0\u1edbc \u1ea5m h\u01a1n. \u0110i\u1ec1u n\u00e0y l\u00e0m d\u1ea5y l\u00ean m\u1ed1i lo ng\u1ea1i v\u1ec1 nh\u1eefng t\u00e1c \u0111\u1ed9ng l\u00e2u d\u00e0i c\u1ee7a bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 sinh th\u00e1i bi\u1ec3n.<\/p>\n\n

Ngu\u1ed3n c\u00e1 tuy\u1ebft to\u00e0n c\u1ea7u<\/h2>\n\n

Trong khi ngu\u1ed3n c\u00e1 tuy\u1ebft t\u1ea1i V\u1ecbnh Maine \u0111ang g\u1eb7p kh\u00f3 kh\u0103n, th\u00ec c\u00e1c ngu\u1ed3n c\u00e1 tuy\u1ebft kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u1ea1i Iceland, Na Uy v\u00e0 Alaska, hi\u1ec7n v\u1eabn \u0111ang ph\u00e1t tri\u1ec3n t\u1ed1t. Tuy nhi\u00ean, s\u1ef1 suy gi\u1ea3m c\u1ee7a c\u00e1 tuy\u1ebft t\u1ea1i V\u1ecbnh Maine \u0111\u00f3ng vai tr\u00f2 l\u00e0 m\u1ed9t l\u1eddi c\u1ea3nh b\u00e1o v\u1ec1 c\u00e1c m\u1ed1i \u0111e d\u1ecda ti\u1ec1m t\u00e0ng \u0111\u1ed1i v\u1edbi qu\u1ea7n th\u1ec3 c\u00e1 tuy\u1ebft tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n\n

C\u00e1c chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3n l\u00fd th\u00edch \u1ee9ng<\/h2>\n\n

\u0110\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng th\u00e1ch th\u1ee9c do bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu g\u00e2y ra, nh\u1eefng ng\u01b0\u1eddi qu\u1ea3n l\u00fd ngh\u1ec1 c\u00e1 c\u1ea7n \u00e1p d\u1ee5ng c\u00e1c chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3n l\u00fd th\u00edch \u1ee9ng. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c theo d\u00f5i c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng v\u00e0 \u0111i\u1ec1u ch\u1ec9nh h\u1ea1n ng\u1ea1ch \u0111\u00e1nh b\u1eaft cho ph\u00f9 h\u1ee3p. B\u1eb1ng c\u00e1ch xem x\u00e9t nhi\u1ec7t \u0111\u1ed9 v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 li\u00ean quan \u0111\u1ebfn kh\u00ed h\u1eadu kh\u00e1c, nh\u1eefng nh\u00e0 qu\u1ea3n l\u00fd c\u00f3 th\u1ec3 gi\u00fap \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ec1n v\u1eefng c\u1ee7a ngu\u1ed3n c\u00e1 tuy\u1ebft.<\/p>\n\n

Nh\u1eefng t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn an ninh l\u01b0\u01a1ng th\u1ef1c<\/h2>\n\n

S\u1ef1 suy gi\u1ea3m c\u1ee7a lo\u00e0i c\u00e1 tuy\u1ebft t\u1ea1i V\u1ecbnh Maine c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn an ninh l\u01b0\u01a1ng th\u1ef1c. C\u00e1 tuy\u1ebft l\u00e0 m\u1ed9t ngu\u1ed3n th\u1ef1c ph\u1ea9m c\u00f3 gi\u00e1 tr\u1ecb v\u00e0 s\u1ef1 suy gi\u1ea3m c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c c\u1ed9ng \u0111\u1ed3ng ven bi\u1ec3n v\u00e0 ng\u00e0nh th\u1ee7y h\u1ea3i s\u1ea3n. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ph\u00e1t tri\u1ec3n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ec3 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111\u1ed1i v\u1edbi ngh\u1ec1 c\u00e1 v\u00e0 \u0111\u1ea3m b\u1ea3o ngu\u1ed3n cung c\u1ea5p h\u1ea3i s\u1ea3n b\u1ec1n v\u1eefng cho c\u00e1c th\u1ebf h\u1ec7 t\u01b0\u01a1ng lai.<\/p>\n\n

K\u1ebft lu\u1eadn<\/h2>\n\n

Bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu l\u00e0 m\u1ed1i \u0111e d\u1ecda \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i v\u1edbi ngh\u1ec1 c\u00e1 tuy\u1ebft t\u1ea1i V\u1ecbnh Maine. Ngu\u1ed3n n\u01b0\u1edbc \u1ea5m h\u01a1n \u0111ang t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn s\u1ef1 s\u1ed1ng c\u00f2n v\u00e0 sinh s\u1ea3n c\u1ee7a c\u00e1 tuy\u1ebft, khi\u1ebfn cho h\u1ea1n ng\u1ea1ch \u0111\u00e1nh b\u1eaft tr\u1edf n\u00ean kh\u00f4ng hi\u1ec7u qu\u1ea3. C\u00e1c nh\u00e0 qu\u1ea3n l\u00fd ngh\u1ec1 c\u00e1 c\u1ea7n xem x\u00e9t nhi\u1ec7t \u0111\u1ed9 v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 li\u00ean quan \u0111\u1ebfn kh\u00ed h\u1eadu kh\u00e1c khi thi\u1ebft l\u1eadp h\u1ea1n ng\u1ea1ch \u0111\u00e1nh b\u1eaft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ec1n v\u1eefng l\u00e2u d\u00e0i cho ngu\u1ed3n c\u00e1 tuy\u1ebft v\u00e0 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i c\u1ee7a c\u00e1c h\u1ec7 sinh th\u00e1i bi\u1ec3n.<\/p>","protected":false},"excerpt":{"rendered":"

Bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111e d\u1ecda s\u1ef1 ph\u1ee5c h\u1ed3i c\u1ee7a lo\u00e0i c\u00e1 tuy\u1ebft t\u1ea1i V\u1ecbnh Maine Ngu\u1ed3n n\u01b0\u1edbc \u1ea5m h\u01a1n l\u00e0m suy y\u1ebfu n\u1ed7 l\u1ef1c qu\u1ea3n l\u00fd ngh\u1ec1 c\u00e1 Bi\u1ebfn…<\/p>\n","protected":false},"author":2,"featured_media":24383,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[1298,34,16080,16081,16082],"class_list":["post-11900","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-marine-biology","tag-marine-conservation","tag-climate-change","tag-fisheries-management","tag-gulf-of-maine-cod","tag-ocean-warming"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11900","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=11900"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11900\/revisions"}],"predecessor-version":[{"id":24384,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11900\/revisions\/24384"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media\/24383"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=11900"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=11900"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=11900"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}