{"id":18564,"date":"2024-11-09T17:24:11","date_gmt":"2024-11-09T17:24:11","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=18564"},"modified":"2024-11-09T17:24:11","modified_gmt":"2024-11-09T17:24:11","slug":"americas-lakes-losing-blue-hue-murky-waters-rise","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/hu\/science\/environmental-science\/americas-lakes-losing-blue-hue-murky-waters-rise\/","title":{"rendered":"Amerika tavai: elvesz\u00edtik k\u00e9k sz\u00edn\u00fcket"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Amerika tavai: elvesz\u00edtik k\u00e9k sz\u00edn\u00fcket<\/h2>\n\n<p>Az elm\u00falt \u00f6t \u00e9vben jelent\u0151s \u00e1talakul\u00e1son mentek kereszt\u00fcl Amerika tavai. A k\u00e9k tavak, amelyek egykor a domin\u00e1ns t\u00edpus voltak, 18 sz\u00e1zal\u00e9kkal cs\u00f6kkentek, m\u00edg a zavaros tavak sz\u00e1ma 12 sz\u00e1zal\u00e9kkal n\u0151tt. Ez a v\u00e1ltoz\u00e1s aggodalomra ad okot a tud\u00f3sok k\u00f6r\u00e9ben, akik figyelmeztetnek arra, hogy a zavaros tavak negat\u00edvan befoly\u00e1solhatj\u00e1k a v\u00edzmin\u0151s\u00e9get \u00e9s a v\u00edzi \u00e9l\u0151vil\u00e1got.<\/p>\n\n<h3 class=\"wp-block-heading\">A zavaros tavak okai<\/h3>\n\n<p>A zavaros tavak sz\u00e1m\u00e1nak n\u00f6veked\u00e9s\u00e9nek pontos okai m\u00e9g nem ismertek, de a tud\u00f3sok \u00fagy v\u00e9lik, hogy t\u00f6bb t\u00e9nyez\u0151 is szerepet j\u00e1tszhat.<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>F\u00f6ldbor\u00edt\u00e1s:<\/strong> A zavaros tavak jellemz\u0151en olyan v\u00edzgy\u0171jt\u0151 ter\u00fcleteken tal\u00e1lhat\u00f3k, ahol t\u00f6bb a mez\u0151gazdas\u00e1gi ter\u00fclet, ami t\u00e1panyagokkal \u00e9s \u00fcled\u00e9kkel j\u00e1rulhat hozz\u00e1 a v\u00edzhez.<\/li>\n<li><strong>\u00c9ghajlatv\u00e1ltoz\u00e1s:<\/strong> A h\u0151m\u00e9rs\u00e9klet emelked\u00e9se \u00e9s a csapad\u00e9kviszonyok v\u00e1ltoz\u00e1sa szint\u00e9n befoly\u00e1solhatja a tavak v\u00edzmin\u0151s\u00e9g\u00e9t, ami fokozott alg\u00e1sod\u00e1shoz \u00e9s zavaross\u00e1ghoz vezet.<\/li>\n<li><strong>F\u00f6ldhasznos\u00edt\u00e1si mint\u00e1k:<\/strong> Az emberi tev\u00e9kenys\u00e9gek, p\u00e9ld\u00e1ul az erd\u0151irt\u00e1s \u00e9s az urbaniz\u00e1ci\u00f3 megv\u00e1ltoztathatj\u00e1k a tavakba \u00e1raml\u00f3 v\u00edz \u00fatj\u00e1t, ami szint\u00e9n befoly\u00e1solhatja a v\u00edzmin\u0151s\u00e9get.<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">A zavaros tavak k\u00f6vetkezm\u00e9nyei<\/h3>\n\n<p>A zavaros tavaknak sz\u00e1mos negat\u00edv k\u00f6vetkezm\u00e9nye van a v\u00edzmin\u0151s\u00e9gre \u00e9s a v\u00edzi \u00e9l\u0151vil\u00e1gra n\u00e9zve.<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Megn\u00f6vekedett alg\u00e1sod\u00e1s:<\/strong> A zavaros tavakban magas a t\u00e1panyagtartalom, ami t\u00e1mogathatja az alg\u00e1k n\u00f6veked\u00e9s\u00e9t. Az alg\u00e1k olyan toxinokat termelhetnek, amelyek k\u00e1rosak az emberekre \u00e9s az \u00e1llatokra, \u00e9s megakad\u00e1lyozhatj\u00e1k a napf\u00e9ny v\u00edz alatti n\u00f6v\u00e9nyekhez val\u00f3 eljut\u00e1s\u00e1t is.<\/li>\n<li><strong>Rossz v\u00edzmin\u0151s\u00e9g:<\/strong> A zavaros tavak v\u00edzmin\u0151s\u00e9ge gyeng\u00e9bb, mint a k\u00e9k tavak\u00e9. Ennek oka, hogy a zavaros tavakban l\u00e9v\u0151 alg\u00e1k \u00e9s szerves anyagok elt\u00f6m\u00edthetik a sz\u0171r\u0151ket, \u00e9s megnehez\u00edthetik a halak \u00e9s m\u00e1s v\u00edzi szervezetek l\u00e9gz\u00e9s\u00e9t.<\/li>\n<li><strong>Cs\u00f6kkent biol\u00f3giai sokf\u00e9les\u00e9g:<\/strong> A zavaros tavak kevesebb halfajt \u00e9s m\u00e1s v\u00edzi szervezetet k\u00e9pesek eltartani, mint a k\u00e9k tavak. Ennek oka, hogy a rossz v\u00edzmin\u0151s\u00e9g \u00e9s a napf\u00e9ny hi\u00e1nya megnehez\u00edtheti ezeknek a szervezeteknek a t\u00fal\u00e9l\u00e9s\u00e9t.<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">A zavaros tavak kezel\u00e9se<\/h3>\n\n<p>A zavaros tavak kezel\u00e9s\u00e9hez olyan sokoldal\u00fa megk\u00f6zel\u00edt\u00e9sre van sz\u00fcks\u00e9g, amely a probl\u00e9ma kiv\u00e1lt\u00f3 okait kezeli.<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u00e1panyag-bevitel cs\u00f6kkent\u00e9se:<\/strong> A zavaross\u00e1g cs\u00f6kkent\u00e9s\u00e9nek egyik m\u00f3dja, hogy cs\u00f6kkents\u00fck a mez\u0151gazdas\u00e1gi lefoly\u00e1sokb\u00f3l \u00e9s egy\u00e9b forr\u00e1sokb\u00f3l a tavakba ker\u00fcl\u0151 t\u00e1panyagok mennyis\u00e9g\u00e9t. Ezt olyan int\u00e9zked\u00e9sekkel lehet el\u00e9rni, mint p\u00e9ld\u00e1ul pufferz\u00f3n\u00e1k telep\u00edt\u00e9se patakok \u00e9s foly\u00f3k ment\u00e9n, \u00e9s a m\u0171tr\u00e1gy\u00e1k haszn\u00e1lat\u00e1nak cs\u00f6kkent\u00e9se.<\/li>\n<li><strong>F\u00f6ldhasznos\u00edt\u00e1si gyakorlatok jav\u00edt\u00e1sa:<\/strong> A zavaros tavak kezel\u00e9s\u00e9nek m\u00e1sik m\u00f3dja, hogy jav\u00edtsuk a v\u00edzgy\u0171jt\u0151 ter\u00fcleteken a f\u00f6ldhasznos\u00edt\u00e1si gyakorlatokat, amelyek bel\u00e9j\u00fck folynak. Ez mag\u00e1ban foglalhatja az erd\u0151irt\u00e1s cs\u00f6kkent\u00e9s\u00e9t, az \u00fajratelep\u00edt\u00e9st \u00e9s a fenntarthat\u00f3 mez\u0151gazdas\u00e1gi gyakorlatok el\u0151mozd\u00edt\u00e1s\u00e1t.<\/li>\n<li><strong>Vizes \u00e9l\u0151helyek helyre\u00e1ll\u00edt\u00e1sa:<\/strong> A vizes \u00e9l\u0151helyek seg\u00edthetnek kisz\u0171rni a szennyez\u0151 anyagokat a v\u00edzb\u0151l, miel\u0151tt az a tavakba ker\u00fclne. Ez\u00e9rt a vizes \u00e9l\u0151helyek helyre\u00e1ll\u00edt\u00e1sa seg\u00edthet jav\u00edtani a v\u00edzmin\u0151s\u00e9get \u00e9s cs\u00f6kkenteni a zavaross\u00e1got.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Amerika tavai j\u00f6v\u0151je<\/h2>\n\n<p>Amerika tavai j\u00f6v\u0151je bizonytalan. Azonban a zavaros tavak okait megsz\u00fcntet\u0151 l\u00e9p\u00e9sek megt\u00e9tel\u00e9vel seg\u00edthet\u00fcnk megv\u00e9deni ezeket a fontos \u00f6kosziszt\u00e9m\u00e1kat a j\u00f6v\u0151 gener\u00e1ci\u00f3i sz\u00e1m\u00e1ra.<\/p>\n\n<h3 class=\"wp-block-heading\">Tov\u00e1bbi inform\u00e1ci\u00f3k<\/h3>\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.epa.gov\/national-aquatic-resource-surveys\/national-lakes-assessment\" rel=\"nofollow noopener\" target=\"_blank\">Nemzeti Tavi \u00c9rt\u00e9kel\u00e9s (NLA)<\/a><\/li>\n<li><a href=\"https:\/\/aslo.org\/lo\/\" rel=\"nofollow noopener\" target=\"_blank\">Limnol\u00f3gia \u00e9s \u00f3ceanogr\u00e1fia<\/a><\/li>\n<li><a href=\"https:\/\/lakescientist.org\/\" rel=\"nofollow noopener\" target=\"_blank\">T\u00f3tud\u00f3s<\/a><\/li>\n<li><a href=\"https:\/\/www.rpi.edu\/\" rel=\"nofollow noopener\" target=\"_blank\">Rensselaer Polytechnic Institute<\/a><\/li>\n<li><a href=\"https:\/\/www.longwood.edu\/\" rel=\"nofollow noopener\" target=\"_blank\">Longwood Egyetem<\/a><\/li>\n<li><a href=\"https:\/\/wsu.edu\/\" rel=\"nofollow noopener\" target=\"_blank\">Washingtoni \u00c1llami Egyetem<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Amerika tavai: elvesz\u00edtik k\u00e9k sz\u00edn\u00fcket Az elm\u00falt \u00f6t \u00e9vben jelent\u0151s \u00e1talakul\u00e1son mentek kereszt\u00fcl Amerika tavai. A k\u00e9k tavak, amelyek egykor a domin\u00e1ns t\u00edpus voltak, 18 sz\u00e1zal\u00e9kkal cs\u00f6kkentek, m\u00edg a zavaros&hellip;<\/p>\n","protected":false},"author":2,"featured_media":24831,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[24249,21911,24250,34,16643,24251,8112,9566],"class_list":["post-18564","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-environmental-science","tag-americas-lakes","tag-aquatic-life","tag-blue-lakes","tag-climate-change","tag-land-use","tag-murky-lakes","tag-water-pollution","tag-water-quality"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/18564","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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/comments?post=18564"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/18564\/revisions"}],"predecessor-version":[{"id":24832,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/18564\/revisions\/24832"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/media\/24831"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/media?parent=18564"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/categories?post=18564"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/tags?post=18564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}