Bilim insanlar\u0131, uzun y\u0131llard\u0131r neslinin t\u00fckendi\u011fi d\u00fc\u015f\u00fcn\u00fclen iki hayvan t\u00fcr\u00fcn\u00fcn Avustralya ve Yeni Gine\u2019de h\u00e2l\u00e2 ya\u015fam\u0131n\u0131 s\u00fcrd\u00fcrd\u00fc\u011f\u00fcn\u00fc ortaya \u00e7\u0131kard\u0131. Ara\u015ft\u0131rmac\u0131lar taraf\u0131ndan yap\u0131lan bu dikkat \u00e7ekici ke\u015fif, bilim d\u00fcnyas\u0131nda \u201cLazarus taksonu\u201d olarak adland\u0131r\u0131l\u0131yor.<\/p>\n\n\n\n
BBC\u2019nin aktard\u0131\u011f\u0131na g\u00f6re, uzak ya\u011fmur ormanlar\u0131nda yap\u0131lan ara\u015ft\u0131rmalar s\u0131ras\u0131nda c\u00fcce uzun parmakl\u0131 keseli s\u0131\u00e7an<\/strong> ile halka kuyruklu u\u00e7an sincap<\/strong> t\u00fcrlerinin ya\u015fayan \u00f6rneklerine rastland\u0131.<\/p>\n\n\n\n Bilim insanlar\u0131, uzun s\u00fcre neslinin t\u00fckendi\u011fi d\u00fc\u015f\u00fcn\u00fcld\u00fckten sonra yeniden ke\u015ffedilen t\u00fcrleri \u201cLazarus taksonu\u201d<\/strong> olarak adland\u0131r\u0131yor. Bu terim, \u0130ncil\u2019de \u00f6l\u00fcmden dirildi\u011fine inan\u0131lan Lazarus fig\u00fcr\u00fcnden esinleniyor.<\/p>\n\n\n\n Ara\u015ft\u0131rmay\u0131 y\u00fcr\u00fcten Avustralyal\u0131 bilim insan\u0131 Profes\u00f6r Tim Flannery<\/strong>, ke\u015ffin \u00f6nemine dikkat \u00e7ekerek \u015fu ifadeleri kulland\u0131:<\/p>\n\n\n\n \u201cLazarus taksonlar\u0131ndan birinin ke\u015ffi bile ola\u011fan\u00fcst\u00fc bir durum. Ancak binlerce y\u0131ld\u0131r yok oldu\u011fu d\u00fc\u015f\u00fcn\u00fclen iki t\u00fcr\u00fcn ayn\u0131 anda bulunmas\u0131 ger\u00e7ekten dikkat \u00e7ekici.\u201d<\/p>\n<\/blockquote>\n\n\n\n Ke\u015ffedilen ilk t\u00fcr yakla\u015f\u0131k 200 gram a\u011f\u0131rl\u0131\u011f\u0131ndaki c\u00fcce uzun parmakl\u0131 keseli s\u0131\u00e7an<\/strong> oldu. Bu hayvan\u0131n en dikkat \u00e7ekici \u00f6zelli\u011fi ise \u00f6n ayaklar\u0131nda bulunan ola\u011fan\u00fcst\u00fc uzun d\u00f6rd\u00fcnc\u00fc parmak<\/strong>.<\/p>\n\n\n\n Bilim insanlar\u0131na g\u00f6re bu parmak, di\u011fer parmaklar\u0131n neredeyse iki kat\u0131 uzunlu\u011funda<\/strong> ve hayvan\u0131n beslenmesinde \u00f6nemli bir rol oynuyor. T\u00fcr, \u00f6zellikle a\u011fa\u00e7lar\u0131n i\u00e7indeki tahta kurdu larvalar\u0131n\u0131 \u00e7\u0131karmak<\/strong> i\u00e7in bu parma\u011f\u0131 kullan\u0131yor.<\/p>\n\n\n\n Ara\u015ft\u0131rmac\u0131lar, bu t\u00fcr\u00fcn Buz \u00c7a\u011f\u0131 d\u00f6neminde Avustralya\u2019da yok oldu\u011fu<\/strong> d\u00fc\u015f\u00fcncesinin uzun s\u00fcre bilimsel kabul g\u00f6rd\u00fc\u011f\u00fcn\u00fc belirtiyor.<\/p>\n\n\n\n Ara\u015ft\u0131rmac\u0131lar\u0131n ke\u015ffetti\u011fi ikinci t\u00fcr ise halka kuyruklu u\u00e7an sincap oldu. Bu t\u00fcr, Avustralya\u2019da ya\u015fayan b\u00fcy\u00fck u\u00e7an sincaplara benzer \u015fekilde ya\u015fam\u0131n\u0131 y\u00fcksek a\u011fa\u00e7lar\u0131n kovuklar\u0131nda s\u00fcrd\u00fcr\u00fcyor.<\/p>\n\n\n\n U\u00e7ma yetene\u011fini sa\u011flayan zar yap\u0131s\u0131 sayesinde a\u011fa\u00e7tan a\u011faca s\u00fcz\u00fclebilen bu hayvanlar, yo\u011fun ya\u011fmur ormanlar\u0131nda olduk\u00e7a gizli bir ya\u015fam s\u00fcr\u00fcyor. Bu nedenle bilim insanlar\u0131 uzun s\u00fcre bu t\u00fcr\u00fcn tamamen yok oldu\u011funu d\u00fc\u015f\u00fcn\u00fcyordu.<\/p>\n\n\n\n Ara\u015ft\u0131rma s\u00fcreci, onlarca y\u0131ll\u0131k fosil incelemeleri, nadir foto\u011fraflar ve eski \u00f6rneklerin analiz edilmesi<\/strong> ile ba\u015flad\u0131. Ard\u0131ndan bilim insanlar\u0131 Yeni Gine\u2019nin uzak b\u00f6lgelerinde saha \u00e7al\u0131\u015fmalar\u0131 y\u00fcr\u00fctt\u00fc.<\/p>\n\n\n\n Profes\u00f6r Flannery ve ekibi, b\u00f6lgede ya\u015fayan Tambrauw ve Maybrat klanlar\u0131n\u0131n ya\u015fl\u0131lar\u0131yla<\/strong> g\u00f6r\u00fc\u015ferek \u00f6nemli bilgiler elde etti. Maybratl\u0131 ara\u015ft\u0131rmac\u0131 Rika Korain<\/strong>, yerel halk\u0131n katk\u0131s\u0131n\u0131n ke\u015fif i\u00e7in kritik oldu\u011funu vurgulad\u0131.<\/p>\n\n\n\n Flannery\u2019ye g\u00f6re b\u00f6lge halk\u0131 bu hayvanlara b\u00fcy\u00fck sayg\u0131 duyuyor:<\/p>\n\n\n\n \u201cPlan\u00f6rleri o kadar kutsal g\u00f6r\u00fcyorlar ki avlam\u0131yorlar, hatta ad\u0131n\u0131 bile anm\u0131yorlar.\u201d<\/p>\n<\/blockquote>\n\n\n\n
\n\n\n\n\u201cLazarus Taksonu\u201d Olarak Tan\u0131mlan\u0131yor<\/h2>\n\n\n\n
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\n\n\n\nC\u00fcce Uzun Parmakl\u0131 Keseli S\u0131\u00e7an<\/h2>\n\n\n\n
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\n\n\n\nKe\u015fifte Yerel Halk\u0131n Rol\u00fc B\u00fcy\u00fck<\/h2>\n\n\n\n
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