{"id":15932,"date":"2024-08-19T03:41:02","date_gmt":"2024-08-19T03:41:02","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=15932"},"modified":"2024-08-19T03:41:02","modified_gmt":"2024-08-19T03:41:02","slug":"san-francisco-bay-algal-bloom-kills-thousands-of-fish","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/hu\/science\/marine-biology\/san-francisco-bay-algal-bloom-kills-thousands-of-fish\/","title":{"rendered":"Algavir\u00e1gz\u00e1s a San Francisco-\u00f6b\u00f6lben: Okok \u00e9s hat\u00e1sok"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Algavir\u00e1gz\u00e1s a San Francisco-\u00f6b\u00f6lben: T\u00f6bb ezer hal pusztult el<\/h2>\n\n<h2 class=\"wp-block-heading\">Mi az algavir\u00e1gz\u00e1s?<\/h2>\n\n<p>Az algavir\u00e1gz\u00e1s az alg\u00e1k sz\u00e1m\u00e1nak gyors n\u00f6veked\u00e9se egy v\u00edzt\u00f6megben. Az alg\u00e1k olyan mikroszkopikus szervezetek, amelyek k\u00e1rosak lehetnek az emberekre, az \u00e1llatokra \u00e9s a k\u00f6rnyezetre. A k\u00e1ros algavir\u00e1gz\u00e1sok (HAB) olyan toxinokat termelhetnek, amelyek betegs\u00e9get vagy ak\u00e1r hal\u00e1lt is okozhatnak.<\/p>\n\n<h2 class=\"wp-block-heading\">V\u00f6r\u00f6s \u00e1rap\u00e1ly a San Francisco-\u00f6b\u00f6lben<\/h2>\n\n<p>A v\u00f6r\u00f6s \u00e1rap\u00e1ly a HAB egy t\u00edpusa, amelyet <strong>Heterosigma akashiwo<\/strong> nev\u0171 alga vir\u00e1gz\u00e1sa okoz. Ez az alga olyan toxint termel, amely meg\u00f6lheti a halakat \u00e9s m\u00e1s tengeri \u00e9l\u0151l\u00e9nyeket. A San Francisco-\u00f6b\u00f6lben jelenleg tapasztalhat\u00f3 v\u00f6r\u00f6s \u00e1rap\u00e1ly a legnagyobb a k\u00f6zelm\u00falt t\u00f6rt\u00e9nelm\u00e9ben, \u00e9s t\u00f6bb t\u00edzezer halat \u00f6lt meg, k\u00f6zt\u00fck c\u00e1p\u00e1kat, tokhalakat \u00e9s nagy cs\u00edkos s\u00fcg\u00e9reket.<\/p>\n\n<h2 class=\"wp-block-heading\">Az algavir\u00e1gz\u00e1sok okai<\/h2>\n\n<p>Az algavir\u00e1gz\u00e1sokat sz\u00e1mos t\u00e9nyez\u0151 okozza, t\u00f6bbek k\u00f6z\u00f6tt:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u00falzott t\u00e1panyagbevitel:<\/strong> A m\u0171tr\u00e1gy\u00e1kb\u00f3l, szennyv\u00edzb\u0151l \u00e9s csapad\u00e9kv\u00edz lefoly\u00e1s\u00e1b\u00f3l sz\u00e1rmaz\u00f3 t\u00e1panyagok, p\u00e9ld\u00e1ul a nitrog\u00e9n \u00e9s a foszfor el\u0151seg\u00edthetik az alg\u00e1k n\u00f6veked\u00e9s\u00e9t.<\/li>\n<li><strong>Melegebb v\u00edzh\u0151m\u00e9rs\u00e9klet:<\/strong> Az alg\u00e1k meleg v\u00edzben szaporodnak, ez\u00e9rt a kl\u00edmav\u00e1ltoz\u00e1s gyakoribb\u00e1 \u00e9s s\u00falyosabb\u00e1 teszi az algavir\u00e1gz\u00e1sokat.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Az algavir\u00e1gz\u00e1sok hat\u00e1sai<\/h2>\n\n<p>Az algavir\u00e1gz\u00e1sok puszt\u00edt\u00f3 hat\u00e1ssal lehetnek a tengeri \u00e9l\u0151vil\u00e1gra. Az alg\u00e1k \u00e1ltal termelt toxinok meg\u00f6lhetik a halakat, kagyl\u00f3kat \u00e9s m\u00e1s tengeri szervezeteket. Az algavir\u00e1gz\u00e1sok kimer\u00edthetik a v\u00edzben az oxig\u00e9nszintet is, ami halpusztul\u00e1shoz vezethet.<\/p>\n\n<p>A tengeri \u00e9l\u0151vil\u00e1gra gyakorolt hat\u00e1sok mellett az algavir\u00e1gz\u00e1sok negat\u00edvan befoly\u00e1solhatj\u00e1k az emberi eg\u00e9szs\u00e9get is. Az algavir\u00e1gz\u00e1sban szennyezett v\u00edzben \u00fasz\u00f3 emberekn\u00e9l b\u0151rki\u00fct\u00e9sek, szemirrit\u00e1ci\u00f3 \u00e9s l\u00e9gz\u00e9si neh\u00e9zs\u00e9gek jelentkezhetnek. Az algavir\u00e1gz\u00e1sok szennyezhetik az iv\u00f3v\u00edzell\u00e1t\u00e1st is, ami gyomor-b\u00e9lrendszeri betegs\u00e9gekhez vezethet.<\/p>\n\n<h2 class=\"wp-block-heading\">Mit tesznek a San Francisco-\u00f6b\u00f6lbeli algavir\u00e1gz\u00e1s kezel\u00e9s\u00e9re?<\/h2>\n\n<p>A tud\u00f3sok azon dolgoznak, hogy meg\u00e9rts\u00e9k a San Francisco-\u00f6b\u00f6lbeli algavir\u00e1gz\u00e1sok okait, \u00e9s megold\u00e1sokat tal\u00e1ljanak hat\u00e1suk enyh\u00edt\u00e9s\u00e9re. Az egyik lehets\u00e9ges megold\u00e1s a szennyv\u00edztiszt\u00edt\u00f3 telepek korszer\u0171s\u00edt\u00e9se, hogy elt\u00e1vol\u00edts\u00e1k a t\u00e1panyagokat a v\u00edzb\u0151l, miel\u0151tt az az \u00f6b\u00f6lbe ker\u00fclne. Ez azonban k\u00f6lts\u00e9ges \u00e9s id\u0151ig\u00e9nyes projekt lenne.<\/p>\n\n<p>Addig is a lakoss\u00e1g hozz\u00e1j\u00e1rulhat az algavir\u00e1gz\u00e1sok kock\u00e1zat\u00e1nak cs\u00f6kkent\u00e9s\u00e9hez az al\u00e1bbi l\u00e9p\u00e9sekkel:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>A h\u00e1zi\u00e1llatok \u00fcr\u00fcl\u00e9k\u00e9nek \u00e9s a lev\u00e1gott f\u0171nek megfelel\u0151 elhelyez\u00e9se<\/li>\n<li>A m\u0171tr\u00e1gy\u00e1k m\u00e9rs\u00e9kelt haszn\u00e1lata<\/li>\n<li>A fosszilis t\u00fczel\u0151anyagokt\u00f3l val\u00f3 f\u00fcgg\u0151s\u00e9g cs\u00f6kkent\u00e9se, amelyek hozz\u00e1j\u00e1rulnak a kl\u00edmav\u00e1ltoz\u00e1shoz<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">K\u00f6vetkeztet\u00e9s<\/h2>\n\n<p>A San Francisco-\u00f6b\u00f6lben tapasztalhat\u00f3 algavir\u00e1gz\u00e1s egy s\u00falyos probl\u00e9ma, amely puszt\u00edt\u00f3 hat\u00e1ssal van a tengeri \u00e9l\u0151vil\u00e1gra. A tud\u00f3sok azon dolgoznak, hogy meg\u00e9rts\u00e9k a vir\u00e1gz\u00e1s okait, \u00e9s megold\u00e1sokat tal\u00e1ljanak hat\u00e1suk enyh\u00edt\u00e9s\u00e9re. Addig is a lakoss\u00e1g hozz\u00e1j\u00e1rulhat az algavir\u00e1gz\u00e1sok kock\u00e1zat\u00e1nak cs\u00f6kkent\u00e9s\u00e9hez az\u00e1ltal, hogy l\u00e9p\u00e9seket tesz a t\u00e1panyag-szennyez\u00e9s \u00e9s a kl\u00edmav\u00e1ltoz\u00e1s cs\u00f6kkent\u00e9se \u00e9rdek\u00e9ben.<\/p>","protected":false},"excerpt":{"rendered":"<p>Algavir\u00e1gz\u00e1s a San Francisco-\u00f6b\u00f6lben: T\u00f6bb ezer hal pusztult el Mi az algavir\u00e1gz\u00e1s? Az algavir\u00e1gz\u00e1s az alg\u00e1k sz\u00e1m\u00e1nak gyors n\u00f6veked\u00e9se egy v\u00edzt\u00f6megben. Az alg\u00e1k olyan mikroszkopikus szervezetek, amelyek k\u00e1rosak lehetnek az&hellip;<\/p>\n","protected":false},"author":1,"featured_media":24065,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[21172,34,20585,21174,265,8112,21173],"class_list":["post-15932","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-marine-biology","tag-algal-bloom","tag-climate-change","tag-fish-kill","tag-san-francisco-bay","tag-marine-life","tag-water-pollution","tag-red-tide"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/15932","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/comments?post=15932"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/15932\/revisions"}],"predecessor-version":[{"id":15933,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/15932\/revisions\/15933"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/media\/24065"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/media?parent=15932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/categories?post=15932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/tags?post=15932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}