{"id":40198,"date":"2020-02-10T11:50:32","date_gmt":"2020-02-10T08:50:32","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=40198"},"modified":"2020-02-10T11:50:32","modified_gmt":"2020-02-10T08:50:32","slug":"iklim-degisiklikleri-yaban-arisi-sayisinda-dususe-neden-oluyor","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2020\/02\/10\/iklim-degisiklikleri-yaban-arisi-sayisinda-dususe-neden-oluyor","title":{"rendered":"\u0130klim de\u011fi\u015fiklikleri, yaban ar\u0131s\u0131 say\u0131s\u0131nda d\u00fc\u015f\u00fc\u015fe neden oluyor"},"content":{"rendered":"

6 \u015eubat g\u00fcn\u00fc Science dergisinde yay\u0131mlanan \u00e7al\u0131\u015fma, yaban ar\u0131lar\u0131n\u0131n iklim de\u011fi\u015fikliklerine ba\u011fl\u0131 olarak y\u00fckselen s\u0131cakl\u0131klardan etkilendi\u011fini ortaya koydu. Ara\u015ft\u0131rmada Kuzey Amerika ve Avrupa\u2019daki yaban ar\u0131s\u0131 kolonilerinin \u00fcye say\u0131s\u0131nda azalma oldu\u011funu kaydedildi.<\/p>\n

Kuzey Amerika ve Avrupa\u2019da daha \u00f6nceki \u00e7al\u0131\u015fmalarda kataloglanan yaban ar\u0131s\u0131 kay\u0131tlar\u0131n\u0131 inceleyen biliminsanlar\u0131, 1901-1974 ve 2000-2014 y\u0131llar\u0131 aras\u0131ndaki kay\u0131tlar \u00fczerinde durdu. \u00c7al\u0131\u015fmalarda baz\u0131 b\u00f6lgelerde tek bir ar\u0131ya, baz\u0131 b\u00f6lgelerde ise kovanlara rastlanm\u0131\u015ft\u0131. Tek bir ar\u0131n\u0131n olmas\u0131 bile \u00f6nemliydi, \u00e7\u00fcnk\u00fc tek bir ar\u0131n\u0131n varl\u0131\u011f\u0131 dahi yak\u0131nlarda yer alan kovan\u0131 i\u015faret etmekteydi. \u0130statistiksel verilere odakl\u0131 analiz, Kuzey Amerika\u2019daki ar\u0131 say\u0131s\u0131n\u0131n y\u00fczde 46 oran\u0131nda d\u00fc\u015ft\u00fc\u011f\u00fcn\u00fc, Avrupa\u2019da ise y\u00fczde 17\u2019lik bir azalma oldu\u011funu g\u00f6sterdi.<\/p>\n

Biliminsanlar\u0131 geli\u015ftirdikleri yeni bir model ile yerel s\u0131cakl\u0131k de\u011fi\u015fimleri ile ar\u0131 say\u0131s\u0131n\u0131n de\u011fi\u015fimi kar\u015f\u0131la\u015ft\u0131rd\u0131. Yaban ar\u0131lar\u0131n\u0131n biyo\u00e7e\u015fitlili\u011fini ve t\u00fcrlerin yerel yok olma olaylar\u0131n\u0131 analiz edebildikleri bu y\u00f6ntem ile ara\u015ft\u0131rmac\u0131lar, ar\u0131 say\u0131s\u0131ndaki d\u00fc\u015f\u00fc\u015f\u00fcn ortalama s\u0131cakl\u0131ktaki art\u0131\u015fla \u00f6rt\u00fc\u015ft\u00fc\u011f\u00fcn\u00fc raporlad\u0131. En kritik azalmalar, s\u0131cakl\u0131k art\u0131\u015flar\u0131n\u0131n en y\u00fcksek seviyede oldu\u011fu b\u00f6lgelerdeydi. Biliminsanlar\u0131 s\u0131cakl\u0131k art\u0131\u015f\u0131 ile ar\u0131lar\u0131n azalmas\u0131 aras\u0131nda do\u011fru orant\u0131 oldu\u011funu kaydetti.<\/p>\n

Ottawa \u00dcniversitesi\u2019nde doktora \u00f6\u011frencisi olan Peter Soroye, \u201cYaban ar\u0131lar\u0131n\u0131n yok olma riskini tahmin etmek i\u00e7in kullan\u0131labilecek yeni bir y\u00f6ntem geli\u015ftirdik\u201d dedi ve ekledi: \u201cGelecekte yaban ar\u0131lar\u0131 i\u00e7in biyo\u00e7e\u015fitlilik tehlikesi oldu\u011fu a\u00e7\u0131k\u00e7a ortada.\u201d<\/p>\n

S\u00f6z konusu \u00e7al\u0131\u015fmaya kat\u0131lmayan Kuzey Carolina Eyalet \u00dcniversitesi’nden ekoloji uzman\u0131 Rebecca Irwin, \u201cT\u00fcrler iklim de\u011fi\u015fikli\u011fi ile ba\u015fa \u00e7\u0131kmalar\u0131na yard\u0131mc\u0131 olmak i\u00e7in yeni yollar bulmam\u0131z gerekiyor. \u00c7\u00fcnk\u00fc bir \u015fey yapmazsak, ekosistem i\u00e7in \u00f6nemli bir\u00e7ok i\u015flevi olan t\u00fcrleri kaybedece\u011fiz\u201d a\u00e7\u0131klamalar\u0131nda bulundu.<\/p>\n

Kaynak:<\/strong> https:\/\/www.the-scientist.com\/news-opinion\/climate-change-linked-to-drop-in-bumble-bee-numbers–study-67076<\/p>\n","protected":false},"excerpt":{"rendered":"

6 \u015eubat g\u00fcn\u00fc Science dergisinde yay\u0131mlanan \u00e7al\u0131\u015fma, yaban ar\u0131lar\u0131n\u0131n iklim de\u011fi\u015fikliklerine ba\u011fl\u0131 olarak y\u00fckselen s\u0131cakl\u0131klardan etkilendi\u011fini ortaya koydu. Ara\u015ft\u0131rmada Kuzey Amerika ve Avrupa\u2019daki yaban ar\u0131s\u0131 kolonilerinin \u00fcye say\u0131s\u0131nda azalma oldu\u011funu kaydedildi. Kuzey Amerika ve Avrupa\u2019da daha \u00f6nceki \u00e7al\u0131\u015fmalarda kataloglanan yaban ar\u0131s\u0131 kay\u0131tlar\u0131n\u0131 inceleyen biliminsanlar\u0131, 1901-1974 ve 2000-2014 y\u0131llar\u0131 aras\u0131ndaki kay\u0131tlar \u00fczerinde durdu. \u00c7al\u0131\u015fmalarda baz\u0131 b\u00f6lgelerde […]<\/p>\n","protected":false},"author":1390,"featured_media":40199,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19],"tags":[199,2694,3453,5821],"class_list":["post-40198","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim-gundemi","tag-ekoloji","tag-iklim-degisiklikleri","tag-sicaklik","tag-yaban-arisi"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t