{"id":4833,"date":"2016-03-30T22:59:25","date_gmt":"2016-03-30T15:59:25","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=4833"},"modified":"2017-10-02T13:41:11","modified_gmt":"2017-10-02T06:41:11","slug":"gan-den-led-vao-luoi-danh-bat-ca-de-bao-ve-rua-bien-ca-heo","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/gan-den-led-vao-luoi-danh-bat-ca-de-bao-ve-rua-bien-ca-heo\/","title":{"rendered":"G\u1eafn \u0111\u00e8n LED v\u00e0o l\u01b0\u1edbi \u0111\u00e1nh b\u1eaft c\u00e1 \u0111\u1ec3 b\u1ea3o v\u1ec7 r\u00f9a bi\u1ec3n, c\u00e1 heo,…"},"content":{"rendered":"

C\u00e1c nh\u00e0 khoa h\u1ecdc cho bi\u1ebft bi\u1ec7n ph\u00e1p g\u1eafn \u0111\u00e8n LED s\u1ebd gi\u00fap gi\u1ea3m 64% l\u01b0\u1ee3ng r\u00f9a bi\u1ec3n \u0111i v\u00e0o khu v\u1ef1c gi\u0103ng l\u01b0\u1edbi r\u00ea (l\u01b0\u1edbi ch\u0103ng ho\u1eb7c l\u01b0\u1edbi \u0111\u00f3ng). V\u1edbi chi ph\u00ed tri\u1ec3n khai kh\u00f4ng qu\u00e1 \u0111\u1eaft, kh\u00f4ng \u0111\u00f2i h\u1ecfi nhi\u1ec1u k\u1ef9 thu\u1eadt ph\u1ee9c t\u1ea1p n\u00ean c\u00e1ch l\u00e0m n\u00e0y c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c tri\u1ec3n khai t\u1ea1i nhi\u1ec1u n\u01a1i tr\u00ean th\u1ebf gi\u1edbi, h\u1ee9a h\u1eb9n s\u1ebd gi\u00fap b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c kh\u00f4ng ri\u00eang lo\u00e0i r\u00f9a bi\u1ec3n m\u00e0 c\u00f2n nhi\u1ec1u lo\u00e0i sinh v\u1eadt bi\u1ec3n kh\u00e1c v\u1ed1n \u0111ang \u0111\u1ee9ng tr\u01b0\u1edbc nguy c\u01a1 tuy\u1ec7t ch\u1ee7ng nh\u01b0 c\u00e1 heo, c\u00e1 voi,…<\/strong><\/p>\n

Theo th\u1ed1ng k\u00ea m\u1ed7i n\u0103m c\u00f3 h\u00e0ng ng\u00e0n con r\u00f9a bi\u1ec3n b\u1ecb gi\u1ebft ch\u1ebft do m\u1eafc ph\u1ea3i l\u01b0\u1edbi \u0111\u00e1nh b\u1eaft c\u00e1. Tr\u1edb tr\u00eau thay ph\u1ea7n l\u1edbn \u0111\u1ec1u \u0111ang \u0111\u1ee9ng tr\u01b0\u1edbc nguy c\u01a1 tuy\u1ec7t ch\u1ee7ng. V\u00e0 trong qu\u00e1 tr\u00ecnh t\u00ecm c\u00e1ch gi\u1ea3i quy\u1ebft t\u00ecnh tr\u1ea1ng n\u00e0y, c\u00e1c nh\u00e0 khoa h\u1ecdc t\u1ea1i \u0110\u1ea1i h\u1ecdc Exeter \u0111\u00e3 ph\u00e1t hi\u1ec7n ra \u0111\u00e8n LED xanh l\u00e1 c\u00f3 t\u00e1c d\u1ee5ng xua \u0111u\u1ed5i r\u00f9a bi\u1ec3n \u0111i n\u01a1i kh\u00e1c nh\u01b0ng kh\u00f4ng \u1ea3nh h\u01b0\u1edfng t\u1edbi n\u0103ng su\u1ea5t \u0111\u00e1nh b\u1eaft c\u00e1.<\/p>\n

\"\"
\n M\u1ed9t con r\u00f9a bi\u1ec3n b\u1ecb m\u1eafc v\u00e0o l\u01b0\u1edbi \u0111\u00e1nh c\u00e1\u200b<\/em><\/p>\n

Qua nghi\u00ean c\u1ee9u, h\u1ecd k\u1ebft lu\u1eadn r\u1eb1ng \u0111\u00e8n LED xanh l\u00e1 ch\u1eb3ng nh\u1eefng kh\u00f4ng t\u1ed1n nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng nh\u01b0ng l\u1ea1i c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n 64% nguy c\u01a1 r\u00f9a bi\u1ec3n b\u1ecb m\u1eafc v\u00e0o trong l\u01b0\u1edbi r\u00ea (c\u00f2n g\u1ecdi l\u00e0 l\u01b0\u1edbi ch\u0103ng, l\u01b0\u1edbi \u0111\u00f3ng,…) \u0110\u00e2y l\u00e0 l\u01b0\u1edbi \u0111\u01b0\u1ee3c gi\u0103ng ngang d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n nh\u01b0 l\u01b0\u1edbi s\u00e2n tennis, b\u1eaft d\u00ednh \u0111\u1ea7u c\u00e1 l\u1ea1i nh\u01b0ng ph\u1ea7n th\u00e2n v\u1eabn c\u00f2n b\u00ean ngo\u00e0i v\u00e0 kh\u00f4ng ch\u1ec9 b\u1eaft \u0111\u01b0\u1ee3c c\u00e1 m\u00e0 r\u00f9a bi\u1ec3n c\u0169ng th\u01b0\u1eddng xuy\u00ean l\u00e0 n\u1ea1n nh\u00e2n c\u1ee7a k\u1ef9 thu\u1eadt \u0111\u00e1nh b\u1eaft n\u00e0y.<\/p>\n

Khi r\u00f9a bi\u1ec3n b\u1ecb m\u1eafc l\u01b0\u1edbi, ch\u00fang c\u00f3 th\u1ec3 b\u1ecb d\u00ecm ch\u1ebft. V\u00e0 th\u1eadm ch\u00ed khi ch\u00fang c\u00f3 th\u1ec3 t\u1ef1 tho\u00e1t ra \u0111\u01b0\u1ee3c v\u00e0 ngoi l\u00ean m\u1eb7t n\u01b0\u1edbc th\u00ec ch\u00fang c\u0169ng b\u1ecb th\u01b0\u01a1ng nghi\u00eam tr\u1ecdng do c\u00e1c s\u1ee3i l\u01b0\u1edbi nylon c\u00f3 th\u1ec3 c\u1eaft v\u00e0o trong nh\u1eefng ph\u1ea7n m\u00f4 m\u1ec1m tr\u00ean c\u1ed5 v\u00e0 v\u00e2y. Tuy nhi\u00ean, vi\u1ec7c d\u00f9ng \u0111\u00e8n LED xanh l\u00e1 v\u00e0o l\u01b0\u1edbi th\u00ec \u0111i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u1ea1n ch\u1ebf \u0111\u00e1ng k\u1ec3. Nh\u00f3m nghi\u00ean c\u1ee9u cho bi\u1ebft m\u1ed7i chi\u1ebfc \u0111\u00e8n c\u00f3 gi\u00e1 ch\u1ec9 kho\u1ea3ng 2 \u0111\u00f4 la v\u00e0 theo \u01b0\u1edbc t\u00ednh, c\u1ee9 d\u00f9ng 34 \u0111\u00f4 l\u00e0 c\u00f3 th\u1ec3 c\u1ee9u \u0111\u01b0\u1ee3c 1 con r\u00f9a. \u0110\u1ed3ng th\u1eddi, n\u1ebfu \u00e1p d\u1ee5ng tr\u00ean quy m\u00f4 l\u1edbn th\u00ec chi ph\u00ed s\u1ebd c\u00f2n ti\u1ebfp t\u1ee5c gi\u1ea3m xu\u1ed1ng.
\n\u0110\u1ec3 th\u1eed nghi\u1ec7m hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1ch l\u00e0m n\u00e0y, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 trang b\u1ecb \u0111\u00e8n LED cho 114 c\u1eb7p l\u01b0\u1edbi r\u00ea d\u00f9ng \u1edf ngo\u00e0i kh\u01a1i bi\u1ec3n Peru. M\u1ed7i 9,75 m\u00e9t \u0111\u01b0\u1ee3c l\u1eafp m\u1ed9t b\u00f3ng LED v\u00e0 k\u00e9o d\u00e0i su\u1ed1t \u0111o\u1ea1n l\u01b0\u1edbi d\u00e0i 500 m\u00e9t. K\u1ebft qu\u1ea3 cho th\u1ea5y nh\u1eefng t\u1ea5m l\u01b0\u1edbi kh\u00f4ng c\u00f3 \u0111\u00e8n s\u1ebd b\u1eaft \u0111\u01b0\u1ee3c 125 con r\u00f9a, trong khi l\u01b0\u1edbi c\u00f3 \u0111\u00e8n ch\u1ec9 b\u1eaft \u0111\u01b0\u1ee3c 64 con. Hi\u1ec7n h\u1ecd v\u1eabn ch\u01b0a bi\u1ebft ch\u00ednh x\u00e1c t\u1ea1i sao \u0111\u00e8n LED xanh l\u1ea1i c\u00f3 hi\u1ec7u qu\u1ea3 \u0111u\u1ed5i r\u00f9a bi\u1ec3n nh\u01b0ng h\u1ecd cho r\u1eb1ng c\u00f3 th\u1ec3, \u00e1nh s\u00e1ng s\u1ebd gi\u00fap r\u00f9a nh\u00ecn \u0111\u01b0\u1ee3c l\u01b0\u1edbi v\u00e0 \u0111i n\u01a1i kh\u00e1c. Th\u00fa v\u1ecb h\u01a1n, c\u00e1ch l\u00e0m n\u00e0y kh\u00f4ng h\u1ec1 \u1ea3nh h\u01b0\u1edfng t\u1edbi nh\u1eefng con c\u00e1 m\u00e0 c\u01b0 d\u00e2n t\u1ea1i \u0111\u00e2y mu\u1ed1n \u0111\u00e1nh b\u1eaft.<\/p>\n

Ng\u01b0\u1eddi d\u1eabn \u0111\u1ea7u nghi\u00ean c\u1ee9u Jeffrey Mangel cho bi\u1ebft: “Ch\u00fang t\u00f4i hy v\u1ecdng r\u1eb1ng vi\u1ec7c gi\u1ea3m l\u01b0\u1ee3ng \u0111\u00e1nh b\u1eaft bycatch, \u0111\u1eb7c bi\u1ec7t l\u00e0 b\u1eb1ng l\u01b0\u1edbi r\u00ea, c\u00f3 th\u1ec3 gi\u00fap ki\u1ec3m so\u00e1t v\u00e0 ph\u1ee5c h\u1ed3i qu\u1ea7n th\u1ebf r\u00f9a bi\u1ec3n d\u01b0\u1edbi \u0111\u1ea1i d\u01b0\u01a1ng.” \u0110\u01b0\u1ee3c bi\u1ebft c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f9ng c\u00e1c t\u1ed5 ch\u1ee9c b\u1ea3o t\u1ed3n \u0111\u1ed9ng v\u1eadt hoang d\u00e3 th\u01b0\u1eddng d\u00f9ng t\u1eeb “bycatch” \u0111\u1ec3 di\u1ec5n t\u1ea3 nh\u1eefng lo\u00e0i \u0111\u1ed9ng v\u1eadt v\u00f4 t\u00ecnh b\u1ecb b\u1eaft b\u1eb1ng nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh b\u1eaft c\u00e1 kh\u00e1c nhau.<\/p>\n

Nh\u00f3m nghi\u00ean c\u1ee9u cho bi\u1ebft s\u1eafp t\u1edbi h\u1ecd s\u1ebd ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m th\u00eam nhi\u1ec1u lo\u1ea1i m\u00e0u \u0111\u00e8n LED kh\u00e1c nhau nh\u1eb1m kh\u1ea3o s\u00e1t m\u1ee9c \u0111\u1ed9 hi\u1ec7u qu\u1ea3 c\u1ee7a t\u1eebng m\u00e0u, \u0111\u1ed3ng th\u1eddi kh\u1ea3o s\u00e1t xem c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 b\u1ea3o v\u1ec7 nh\u1eefng lo\u00e0i sinh v\u1eadt bi\u1ec3n kh\u00e1c nh\u01b0 c\u00e1 heo, c\u00e1 voi, chim bi\u1ec3n,… hay kh\u00f4ng M\u1eb7t kh\u00e1c, h\u1ecd tin r\u1eb1ng c\u0169ng b\u1eb1ng c\u00e1ch d\u00f9ng \u0111\u00e8n LED c\u00f3 th\u1ec3 gi\u00fap ng\u01b0 d\u00e2n t\u0103ng c\u01b0\u1eddng n\u0103ng su\u1ea5t \u0111\u00e1nh b\u1eaft lo\u1ea1i c\u00e1 c\u1ea7n thi\u1ebft nh\u01b0ng v\u1eabn \u0111\u1ea3m b\u1ea3o b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/p>\n

Tham kh\u1ea3o BI, EA\u200b<\/em><\/p>\n

Ngu\u1ed3n tinhte.vn<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c nh\u00e0 khoa h\u1ecdc cho bi\u1ebft bi\u1ec7n ph\u00e1p g\u1eafn \u0111\u00e8n LED s\u1ebd gi\u00fap gi\u1ea3m 64% l\u01b0\u1ee3ng r\u00f9a bi\u1ec3n \u0111i v\u00e0o khu v\u1ef1c gi\u0103ng l\u01b0\u1edbi r\u00ea (l\u01b0\u1edbi ch\u0103ng ho\u1eb7c l\u01b0\u1edbi \u0111\u00f3ng). V\u1edbi chi ph\u00ed tri\u1ec3n khai kh\u00f4ng qu\u00e1 \u0111\u1eaft, kh\u00f4ng \u0111\u00f2i h\u1ecfi nhi\u1ec1u k\u1ef9 thu\u1eadt ph\u1ee9c t\u1ea1p n\u00ean c\u00e1ch l\u00e0m n\u00e0y c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c […]<\/p>\n","protected":false},"author":17,"featured_media":5390,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-4833","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4833","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=4833"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4833\/revisions"}],"predecessor-version":[{"id":5391,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4833\/revisions\/5391"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/5390"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=4833"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=4833"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=4833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}