Unsplash<\/a><\/figcaption><\/figure>\n\n\n\nG\u00f6zlem ve analiz:<\/p>\n\n\n\n
\u0130zotoplar, ayn\u0131 say\u0131da protona sahip olan ancak zaman i\u00e7inde bozunmayan farkl\u0131 say\u0131da n\u00f6trona sahip elementlerdir.<\/p>\n\n\n\n
\u015eimdi, bu izotop elementleri g\u00f6\u00e7men hayvanlar\u0131n beslenme kaynaklar\u0131n\u0131n belirlenmesi ile ili\u015fkilendirilmi\u015ftir.<\/p>\n\n\n\n
G\u00f6z k\u00fcresi merceklerinin laminalar\u0131n\u0131n proteinler a\u00e7\u0131s\u0131ndan zengin oldu\u011fu s\u00f6ylenmektedir. Bu proteinler, kararl\u0131 izotop analizi yoluyla de\u011ferlendirilebilecek bir izotopik imzaya yol a\u00e7an izotop elementleri ile ba\u011flan\u0131r.<\/p>\n\n\n\n
Yavru Somon bal\u0131\u011f\u0131, bal\u0131k g\u00f6z k\u00fcresinin ar\u015fiv dokusunu \u00f6l\u00e7mek i\u00e7in farkl\u0131 bir g\u0131da a\u011f\u0131na sahip \u00fc\u00e7 farkl\u0131 izotopik habitat alt\u0131nda incelenmi\u015ftir.<\/p>\n\n\n\n
Kullan\u0131lan kararl\u0131 izotop elementleri s\u00fclf\u00fcr 35, karbon 13 ve nitrojen 15'tir (34<\/sup>S, 13<\/sup>C,15<\/sup>N).<\/p>\n\n\n\nS\u00fclf\u00fcr izotopu beslenme kaynaklar\u0131n\u0131 \u00f6\u011frenmede faydal\u0131d\u0131r. K\u0131y\u0131 g\u00f6\u00e7\u00fcnden gelen bal\u0131klar karbon 13 izotopu bak\u0131m\u0131ndan zengindir, bu nedenle g\u00f6\u00e7 hareketini belirlemek i\u00e7in kullan\u0131l\u0131r.<\/p>\n\n\n\n
Azot izotopu, g\u00f6\u00e7men hayvanlarda trofik seviyelerin y\u00f6netilmesinde kullan\u0131l\u0131r.<\/p>\n\n\n\n
Kararl\u0131 izotop analizi \"ne yersen osun\" konsepti temelinde form\u00fcle edilmi\u015ftir.<\/p>\n\n\n\n
Bu temelde bilim insanlar\u0131, \u00fc\u00e7 farkl\u0131 habitatta yeti\u015fen yeti\u015fkin Somon bal\u0131klar\u0131n\u0131n dokular\u0131nda k\u00fck\u00fcrt, karbon ve nitrojen gibi elementlerin izotoplar\u0131n\u0131 ara\u015ft\u0131rd\u0131.<\/p>\n\n\n\n
\u00c7al\u0131\u015fmalar\u0131, mevsimsel ta\u015fk\u0131n yata\u011f\u0131nda yeti\u015fen bal\u0131klar\u0131n daha fazla mercek katman\u0131na sahip oldu\u011fu ve nehirde ve kulu\u00e7kahanede yeti\u015fenlere g\u00f6re \u00e7ok daha h\u0131zl\u0131 b\u00fcy\u00fcd\u00fc\u011f\u00fc bulgusuna yol a\u00e7t\u0131.<\/p>\n\n\n\n
Ayr\u0131ca, izotop analizi bal\u0131klar\u0131n Bypass'taki pirin\u00e7 tarlalar\u0131 nedeniyle y\u00fcksek karbon ve s\u00fclf\u00fcr i\u00e7eri\u011fine sahip oldu\u011funu ortaya koymu\u015ftur.<\/p>\n\n\n\n
G\u00f6z bal\u0131\u011f\u0131 topu proteinlerinin ve izotop elementinin ba\u011flanmas\u0131, diyet i\u00e7eri\u011fini analiz etmek i\u00e7in kullan\u0131lm\u0131\u015ft\u0131r.<\/p>\n\n\n\n
Bunun d\u0131\u015f\u0131nda, yavru Somon bal\u0131klar\u0131n\u0131n g\u00f6z merceklerinde kararl\u0131 bir izotop elementi kaydedildi ve bu da ya\u015fam alan\u0131 ve beslenme kayna\u011f\u0131n\u0131n genel g\u00f6r\u00fcn\u00fcm\u00fc i\u00e7in yeti\u015fkin bal\u0131klarla kar\u015f\u0131la\u015ft\u0131r\u0131lmas\u0131na yol a\u00e7t\u0131.<\/p>\n\n\n\n
Bu kararl\u0131 izotop analizi (SIA) arac\u0131, \u00e7e\u015fitli koruma projelerinin kapsam\u0131n\u0131 geni\u015fletmi\u015ftir. Mevcut iklim de\u011fi\u015fiklikleri ve insan faaliyetleri nedeniyle y\u00fcksek oranda etkilendikleri i\u00e7in \u00e7e\u015fitli g\u00f6\u00e7men hayvanlar\u0131n ya\u015fam alanlar\u0131n\u0131 izole etmek i\u00e7in kullan\u0131labilir.<\/p>\n\n\n\n
Ara\u015ft\u0131rmalar\u0131 hakk\u0131nda daha fazla bilgi edinmek i\u00e7in a\u015fa\u011f\u0131da verilen referansa g\u00f6z at\u0131n.<\/p>\n\n\n\n
Miranda Bell-Tilcock, Carson A. Jeffres, Andrew L. Rypel, Ted R. Sommer, Jacob V. E. Katz, George Whitman, Rachel C. Johnson. Bal\u0131k g\u00f6z\u00fc lenslerinde diyet yeniden yap\u0131land\u0131rmas\u0131n\u0131n ilerletilmesi<\/strong>. Ekoloji ve Evrimde Y\u00f6ntemler<\/em>, 2021; DOI: 10.1111\/2041-210X.13543<\/a><\/p>\n\n\n\n<\/p>","protected":false},"excerpt":{"rendered":"
Bu do\u011fru, t\u00fcm cevaplar g\u00f6zlerde yat\u0131yor. Konu bal\u0131klar\u0131n tarihi oldu\u011funda bile. Kaliforniya \u00dcniversitesi'nden bilim insan\u0131 Miranda Bell ve ekibi, bal\u0131klar\u0131n beslenme ve g\u00f6\u00e7lerindeki de\u011fi\u015fimleri tahmin etmek i\u00e7in bal\u0131k g\u00f6zbebeklerinin lenslerinin kullan\u0131m\u0131n\u0131 g\u00f6sterdi. Suda ya\u015fayan hayvanlar\u0131n g\u00f6\u00e7\u00fc genellikle [...]<\/p>","protected":false},"author":18,"featured_media":12903,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[959,28],"tags":[554],"yoast_head":"\n
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<\/a>