Brezilya h\u00fck\u00fcmeti ve Deniz Kuvvetleri taraf\u0131ndan uygulanan yasak uyar\u0131nca, adaya bilimsel ara\u015ft\u0131rma m\u00fcsaadesi olmayan hi\u00e7 kimsenin ayak basmas\u0131na m\u00fcsaade verilmiyor. Adan\u0131n tek sakinleri olan “Alt\u0131n M\u0131zrak Ba\u015fl\u0131 Engerekler”in (Bothrops insularis), d\u00fcnyadaki en \u00f6l\u00fcmc\u00fcl zehirlerden birine sahip oldu\u011fu kan\u0131tland\u0131.<\/p>\n
METREKARE BA\u015eINA 5 ZEH\u0130RL\u0130 YILAN<\/strong><\/p>\n Yap\u0131lan pop\u00fclasyon ara\u015ft\u0131rmalar\u0131, adada yakla\u015f\u0131k 2 bin ila 4 bin ortas\u0131nda zehirli y\u0131lan\u0131n ya\u015fad\u0131\u011f\u0131n\u0131 ortaya koydu. Bu durum, adan\u0131n her b\u00f6lgesinde metrekare ba\u015f\u0131na 1 ila 5 ortas\u0131nda y\u0131lan d\u00fc\u015ft\u00fc\u011f\u00fc manas\u0131na geliyor. Y\u0131lanlar\u0131n ana besin kayna\u011f\u0131 olan g\u00f6\u00e7men ku\u015flar\u0131 avlayabilmek i\u00e7in a\u011fa\u00e7 kollar\u0131nda ve yerlerde a\u011f\u0131rla\u015ft\u0131\u011f\u0131 saptand\u0131.<\/p>\n Adada di\u011fer bir avc\u0131 \u00e7e\u015fit bulunmad\u0131\u011f\u0131 i\u00e7in y\u0131lanlar\u0131n besin zincirinin en zirvesinde yer ald\u0131\u011f\u0131 ve adan\u0131n tamam\u0131na yay\u0131ld\u0131\u011f\u0131 bildirildi. Bu yo\u011funluk, adaya ad\u0131m atan bir insan\u0131n rastgele bir y\u0131lana basmadan yahut ak\u0131na u\u011framadan ilerlemesini imkans\u0131z k\u0131l\u0131yor.<\/p>\n EVR\u0130M GE\u00c7\u0130REN \u00d6L\u00dcMC\u00dcL ZEH\u0130R<\/strong><\/p>\n Adaya has “Alt\u0131n M\u0131zrak Ba\u015fl\u0131” engerek tipinin, ana karadaki akrabalar\u0131ndan 5 kat daha g\u00fc\u00e7l\u00fc bir zehre sahip oldu\u011fu saptand\u0131. Adada mahsur kalan y\u0131lanlar\u0131n, ku\u015flar\u0131 an\u0131nda etkisiz hale getirebilmek i\u00e7in zehirlerinin genetik bir evrim ge\u00e7irdi\u011fi belirlendi.<\/p>\n Bu y\u0131lanlar\u0131n zehrinin insan dokusunu saniyeler i\u00e7inde eritebilme (nekrotik etki) g\u00fcc\u00fcne sahip oldu\u011fu ve m\u00fcdahale edilmedi\u011fi takdirde mevt oran\u0131n\u0131n %100’e yak\u0131n oldu\u011fu vurguland\u0131. Zehrin b\u00f6brek yetmezli\u011fi, kas dokusu y\u0131k\u0131m\u0131 ve beyin kanamas\u0131 \u00fczere a\u011f\u0131r semptomlara yol a\u00e7t\u0131\u011f\u0131 kaydedildi.<\/p>\n TEK YAPI OLAN FENER\u0130N TRAJ\u0130K H\u0130KAYES\u0130<\/strong><\/p>\n Adada bulunan tek yap\u0131 olan deniz fenerinin g\u00fcn\u00fcm\u00fczde b\u00fcsb\u00fct\u00fcn insans\u0131z ve otomatik sistemle \u00e7al\u0131\u015ft\u0131\u011f\u0131 bildirildi. 1920’li y\u0131llarda fenerde vazife yapan son fener bek\u00e7isi ve ailesinin, meskene giren y\u0131lanlar\u0131n sald\u0131r\u0131s\u0131 sonucu hayat\u0131n\u0131 kaybetti\u011fine dair kay\u0131tlar, adan\u0131n tehlikesini belgeleyen en somut olaylar ortas\u0131nda yer al\u0131yor.<\/p>\n G\u00fcn\u00fcm\u00fczde yaln\u0131zca Brezilya Donanmas\u0131 ve \u00f6zel m\u00fcsaadeli biyologlar\u0131n, tam muhafazal\u0131 k\u0131yafetler ve panzehir kitleriyle adaya giri\u015fine m\u00fcsaade veriliyor. B\u00f6lgenin s\u0131k\u0131 kontrol\u00fc, hem insanlar\u0131n hayat\u0131n\u0131 muhafazay\u0131 hem de jenerasyonu t\u00fckenmekte olan bu \u00f6zel y\u0131lan cinsini ka\u00e7ak avc\u0131lardan uzak tutmay\u0131 ama\u00e7l\u0131yor.<\/p>\n","protected":false},"excerpt":{"rendered":" Brezilya’n\u0131n Sao Paulo eyaleti a\u00e7\u0131klar\u0131nda bulunan ve “Y\u0131lan Adas\u0131” olarak bilinen Ilha da Queimada Grande’nin neden sivil ziyarete b\u00fcsb\u00fct\u00fcn kapat\u0131ld\u0131\u011f\u0131na dair teknik bilgiler payla\u015f\u0131ld\u0131. Adada metrekare ba\u015f\u0131na d\u00fc\u015fen zehirli y\u0131lan yo\u011funlu\u011fu ve bu cinslerin ge\u00e7irdi\u011fi evrimsel de\u011fi\u015fimler, b\u00f6lgeyi d\u00fcnyan\u0131n en tehlikeli kara kesimi haline getiriyor.<\/p>\n","protected":false},"author":1,"featured_media":93422,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[1908,3865],"class_list":["post-93421","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dunya","tag-yilan","tag-zehir"],"_links":{"self":[{"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/posts\/93421","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/comments?post=93421"}],"version-history":[{"count":1,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/posts\/93421\/revisions"}],"predecessor-version":[{"id":93423,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/posts\/93421\/revisions\/93423"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/media\/93422"}],"wp:attachment":[{"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/media?parent=93421"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/categories?post=93421"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/tags?post=93421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}