Bristol Universitetinin aliml\u0259ri m\u00fc\u0259yy\u0259n edibl\u0259r ki, m\u00fcasir qurba\u011falar\u0131n \u0259cdadlar\u0131 Perm d\u00f6vr\u00fcn\u00fcn sonundak\u0131 k\u00fctl\u0259vi yoxa \u00e7\u0131xma zaman\u0131 qidalanma say\u0259sind\u0259 sa\u011f qala bilibl\u0259r. Onlar quruda ya\u015fayan y\u0131rt\u0131c\u0131larla r\u0259qab\u0259td\u0259n qa\u00e7araq \u015firin su ekosisteml\u0259rind\u0259 ov ovlay\u0131rd\u0131lar. \u018fs\u0259r Royal Society Open Science (RSOS) jurnal\u0131nda d\u0259rc olunub.<\/p>\n
Perm d\u00f6vr\u00fc t\u0259xmin\u0259n 47 milyon il (299-dan 252 milyon il \u0259vv\u0259l) davam ed\u0259n Paleozoy eras\u0131n\u0131n son m\u0259rh\u0259l\u0259sidir. Bu zaman quruda ilk terapsid s\u00fcr\u00fcn\u0259nl\u0259r meydana \u00e7\u0131xd\u0131 v\u0259 d\u0259nizl\u0259rd\u0259 trilobitl\u0259r, ammonitl\u0259r v\u0259 m\u0259rcanlar \u00fcst\u00fcnl\u00fck t\u0259\u015fkil etdi. Bununla bel\u0259, Perm d\u00f6vr\u00fcn\u00fcn sonu Yer k\u00fcr\u0259sinin tarixind\u0259 \u0259n b\u00f6y\u00fck ekoloji f\u0259lak\u0259t – Perm-Trias n\u0259slinin k\u0259silm\u0259si il\u0259 \u0259lam\u0259tdar oldu, bunun n\u0259tic\u0259sind\u0259 b\u00fct\u00fcn heyvan v\u0259 bitki n\u00f6vl\u0259rinin 90%-\u0259 q\u0259d\u0259ri yox oldu.<\/p>\n
Aliml\u0259r k\u0259\u015ff etdil\u0259r ki, m\u00fcasir qurba\u011falar v\u0259 salamandrlarla \u0259laq\u0259li q\u0259dim amfibiyalar olan temnospondill\u0259rin u\u011furlar\u0131 onlar\u0131n h\u0259rt\u0259r\u0259fli t\u0259bi\u0259ti il\u0259 izah olunur. Onlar m\u00fcxt\u0259lif n\u00f6v y\u0131rt\u0131c\u0131larla qidalana bildil\u0259r ki, bu da onlara qlobal iqlim v\u0259 ekosistem d\u0259yi\u015fiklikl\u0259ri qar\u015f\u0131s\u0131nda sa\u011f qalma\u011fa k\u00f6m\u0259k etdi.<\/p>\n
Planetd\u0259ki dem\u0259k olar ki, b\u00fct\u00fcn canl\u0131lar\u0131 m\u0259hv ed\u0259n Perm-Trias d\u00f6vr\u00fcn\u00fcn s\u00f6nm\u0259si hadis\u0259sind\u0259n sonra Yer s\u0259rt \u015f\u0259rtl\u0259rl\u0259 \u00fczl\u0259\u015fdi: vulkanik f\u0259aliyy\u0259t \u015fidd\u0259tli istil\u0259\u015fm\u0259y\u0259, atmosferin tur\u015fula\u015fmas\u0131na, tur\u015fu ya\u011f\u0131\u015flar\u0131na v\u0259 k\u00fctl\u0259vi yan\u011f\u0131nlara s\u0259b\u0259b oldu. Heyvanlar\u0131n dem\u0259k olar ki, qalmad\u0131\u011f\u0131 tropikl\u0259rd\u0259 \u201c\u00f6l\u00fc zona\u201d yaran\u0131b.<\/p>\n
T\u0259dqiqat\u00e7\u0131lar Triasda ya\u015fam\u0131\u015f 100 temnospondilin qal\u0131qlar\u0131n\u0131 t\u0259hlil ed\u0259r\u0259k, onlar\u0131n b\u0259d\u0259n \u00f6l\u00e7\u00fcl\u0259rini, k\u0259ll\u0259 qurulu\u015funu v\u0259 di\u015fl\u0259rini \u00f6yr\u0259nibl\u0259r. M\u0259lum olub ki, bir \u00e7ox dig\u0259r heyvan qruplar\u0131ndan f\u0259rqli olaraq, onlar\u0131n anatomiyas\u0131 f\u0259lak\u0259tli n\u0259sli k\u0259sildikd\u0259n sonra da nisb\u0259t\u0259n sabit qal\u0131b.<\/p>\n","protected":false},"excerpt":{"rendered":"
Bristol Universitetinin aliml\u0259ri m\u00fc\u0259yy\u0259n edibl\u0259r ki, m\u00fcasir qurba\u011falar\u0131n \u0259cdadlar\u0131 Perm d\u00f6vr\u00fcn\u00fcn sonundak\u0131 k\u00fctl\u0259vi yoxa \u00e7\u0131xma zaman\u0131 qidalanma say\u0259sind\u0259 sa\u011f qala bilibl\u0259r. Onlar quruda ya\u015fayan y\u0131rt\u0131c\u0131larla r\u0259qab\u0259td\u0259n qa\u00e7araq \u015firin su ekosisteml\u0259rind\u0259 ov ovlay\u0131rd\u0131lar. \u018fs\u0259r Royal Society Open Science (RSOS) jurnal\u0131nda d\u0259rc olunub. Perm d\u00f6vr\u00fc t\u0259xmin\u0259n 47 milyon il (299-dan 252 milyon il \u0259vv\u0259l) davam ed\u0259n Paleozoy […]<\/p>\n","protected":false},"author":3,"featured_media":66707,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36,1],"tags":[],"class_list":["post-66706","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-media","category-society"],"yoast_head":"\n