Y\u00fcksek oranda zehirli a\u011f\u0131r bir metal olan c\u0131va, deniz ekosistemleri i\u00e7in \u00f6nemli bir tehdit olu\u015fturmaktad\u0131r. En zararl\u0131 formu olan metilc\u0131va, deniz organizmalar\u0131nda, \u00f6zellikle de besin zincirinin en \u00fcst\u00fcndekilerde birikir. C\u0131va emisyonlar\u0131n\u0131 azaltma \u00e7abalar\u0131na ra\u011fmen, c\u0131va end\u00fcstriyel at\u0131klar ve di\u011fer kaynaklar yoluyla okyanusa girmeye devam etmektedir.<\/p>\n\n
C\u0131va besin zincirinde y\u00fckseldik\u00e7e, tepe y\u0131rt\u0131c\u0131larda daha fazla yo\u011funla\u015f\u0131r. Biyolojik b\u00fcy\u00fctme olarak bilinen bu s\u00fcre\u00e7, fok ve deniz aslanlar\u0131 gibi hayvanlarda tehlikeli derecede y\u00fcksek c\u0131va seviyelerine yol a\u00e7abilir. Bu t\u00fcrler, \u00e7evrelerinin sa\u011fl\u0131\u011f\u0131 ve insan sa\u011fl\u0131\u011f\u0131 i\u00e7in potansiyel tehditler hakk\u0131nda de\u011ferli bilgiler sa\u011flayan “g\u00f6sterge t\u00fcrler” g\u00f6revi g\u00f6r\u00fcrler.<\/p>\n\n
Son ara\u015ft\u0131rmalar, fil deniz fillerini Kaliforniya’n\u0131n k\u0131y\u0131 sular\u0131ndaki c\u0131va kirlili\u011fine \u00f6nemli \u00f6l\u00e7\u00fcde katk\u0131da bulunan bir fakt\u00f6r olarak belirlemi\u015ftir. Bu devasa hayvanlar, y\u0131ll\u0131k “felaket t\u00fcy d\u00f6k\u00fcm\u00fc” s\u0131ras\u0131nda t\u00fcm \u00fcst deri ve k\u00fcrk katmanlar\u0131n\u0131 d\u00f6kerler ve suya \u00f6nemli miktarda biyolojik madde salarlar. Bu madde, \u00e7evreleyen sulardaki y\u00fcksek c\u0131va seviyeleriyle ba\u011flant\u0131l\u0131 olan y\u00fcksek konsantrasyonlarda metilc\u0131va i\u00e7erir.<\/p>\n\n
Royal Society B’nin Bildiriler Dergisi’nde yay\u0131nlanan bir \u00e7al\u0131\u015fma, Kaliforniya’daki b\u00fcy\u00fck bir fil denizi fili kolonisi olan A\u00f1o Nuevo Eyalet Rezervi \u00e7evresindeki sulardaki c\u0131va seviyelerini \u00f6l\u00e7m\u00fc\u015ft\u00fcr. Sonu\u00e7lar, foklar\u0131n t\u00fcy d\u00f6k\u00fcm\u00fc mevsimi boyunca c\u0131va seviyelerinin foksuz sulardakine g\u00f6re 17 kat daha y\u00fcksek oldu\u011funu g\u00f6stermi\u015ftir.<\/p>\n\n
\u00c7al\u0131\u015fman\u0131n bulgular\u0131, fil deniz fillerinin t\u00fcy d\u00f6k\u00fcm\u00fcn\u00fcn deniz ekosistemlerindeki c\u0131va d\u00f6ng\u00fcs\u00fc \u00fczerindeki \u00f6nemli etkisini vurgulamaktad\u0131r. Tepe y\u0131rt\u0131c\u0131lar olarak foklar, sa\u011fl\u0131klar\u0131 ve \u00fcreme ba\u015far\u0131lar\u0131 \u00fczerinde zararl\u0131 etkilere yol a\u00e7abilecek y\u00fcksek c\u0131va seviyeleri biriktirirler. Dahas\u0131, t\u00fcy d\u00f6k\u00fcm\u00fc s\u0131ras\u0131nda c\u0131va sal\u0131nmas\u0131, di\u011fer deniz canl\u0131lar\u0131 ve nihayetinde deniz \u00fcr\u00fcnleri t\u00fcketen insanlar i\u00e7in potansiyel bir risk olu\u015fturmaktad\u0131r.<\/p>\n\n
Fil deniz fillerinin c\u0131va kirlili\u011findeki rol\u00fcn\u00fc anlamak, etkili azaltma stratejileri geli\u015ftirmek i\u00e7in \u00e7ok \u00f6nemlidir. Ara\u015ft\u0131rmac\u0131lar, end\u00fcstriyel c\u0131va emisyonlar\u0131n\u0131 azaltma, at\u0131k su ar\u0131t\u0131m\u0131n\u0131 iyile\u015ftirme ve insanlar i\u00e7in diyet k\u0131s\u0131tlamalar\u0131 uygulama gibi \u00e7e\u015fitli yakla\u015f\u0131mlar\u0131 ara\u015ft\u0131rmaktad\u0131rlar.<\/p>\n\n
Deniz ekosistemlerindeki c\u0131va seviyelerinin s\u00fcrekli izlenmesi, azaltma \u00f6nlemlerinin etkinli\u011fini izlemek ve insan sa\u011fl\u0131\u011f\u0131 i\u00e7in potansiyel riskleri de\u011ferlendirmek i\u00e7in \u00e7ok \u00f6nemlidir. Bu sorunu ele almak ve okyanuslar\u0131m\u0131z\u0131n ve deniz ya\u015fam\u0131n\u0131n sa\u011fl\u0131\u011f\u0131n\u0131 korumak i\u00e7in bilim insanlar\u0131, politika yap\u0131c\u0131lar ve payda\u015flar aras\u0131ndaki i\u015fbirli\u011fi hayati \u00f6nem ta\u015f\u0131maktad\u0131r.<\/p>","protected":false},"excerpt":{"rendered":"
Fil deniz filleri: Kaliforniya k\u0131y\u0131 sular\u0131nda c\u0131va kirlili\u011finin \u015fa\u015f\u0131rt\u0131c\u0131 kayna\u011f\u0131 Deniz ortam\u0131nda c\u0131va Y\u00fcksek oranda zehirli a\u011f\u0131r bir metal olan c\u0131va, deniz ekosistemleri i\u00e7in \u00f6nemli bir tehdit olu\u015fturmaktad\u0131r. En zararl\u0131…<\/p>\n","protected":false},"author":2,"featured_media":24487,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[23783,23785,1886,23782,18600,23784],"class_list":["post-18187","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-marine-biology","tag-biomagnification","tag-catastrophic-molt","tag-marine-ecosystems","tag-elephant-seals","tag-mercury-pollution","tag-sentinel-species"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/18187","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/comments?post=18187"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/18187\/revisions"}],"predecessor-version":[{"id":24488,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/18187\/revisions\/24488"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/media\/24487"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/media?parent=18187"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/categories?post=18187"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/tags?post=18187"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}