Dokuz on y\u0131l\u0131 kapsayan benzersiz bir analiz, \u0130svi\u00e7re\u2019deki b\u00f6cek pop\u00fclasyonlar\u0131n\u0131n, \u00f6zellikle 1930 ile 1980 y\u0131llar\u0131 aras\u0131nda derin d\u00f6n\u00fc\u015f\u00fcmler ge\u00e7irdi\u011fini ortaya koyuyor. \u00d6l\u00fc oduna ba\u011f\u0131ml\u0131 olan saproksilik b\u00f6cekler ve tozla\u015fmada kritik rol oynayan kelebekler, bu d\u00f6nemde t\u00fcr zenginliklerinde \u00f6nemli \u00f6l\u00e7\u00fcde azalma ya\u015fad\u0131. Saproksilik b\u00f6cekler, 1930\u2019lardan itibaren belirgin bir gerileme g\u00f6sterdi, ard\u0131ndan istikrar kazand\u0131 ve 2000\u2019lerden itibaren hafif bir toparlanma ya\u015fad\u0131. Buna kar\u015f\u0131n, kelebekler 1980\u2019lere kadar gerilemeye devam etti ve asla ba\u015flang\u0131\u00e7taki seviyelerine d\u00f6nemediler.<\/p>\n
Bu gerileme, \u00f6zellikle 1950 ile 1980 y\u0131llar\u0131 aras\u0131nda tar\u0131m\u0131n yo\u011funla\u015ft\u0131\u011f\u0131 bir d\u00f6nemle \u00f6rt\u00fc\u015f\u00fcyor. Tar\u0131m makinelerinin kitlesel kullan\u0131m\u0131 manzaralar\u0131 de\u011fi\u015ftirdi, yar\u0131 do\u011fal \u00e7ay\u0131rlar ve eski ormanlar gibi do\u011fal ya\u015fam alanlar\u0131n\u0131 azaltt\u0131. Bu de\u011fi\u015fiklikler, basitle\u015ftirilmi\u015f ve fakirle\u015fmi\u015f ortamlara uyum sa\u011flayamayan uzmanla\u015fm\u0131\u015f t\u00fcrleri \u00f6zellikle etkiledi. \u00d6rne\u011fin, saproksilik b\u00f6cekler, ya\u015fam d\u00f6ng\u00fcleri i\u00e7in hayati \u00f6nem ta\u015f\u0131yan \u00f6l\u00fc odunlar\u0131n kayb\u0131ndan etkilendi. Kelebekler ise, hayatta kalmalar\u0131 i\u00e7in gerekli olan \u00f6zel konuk\u00e7u bitkilerin azalmas\u0131ndan zarar g\u00f6rd\u00fc.<\/p>\n
1980\u2019lerden itibaren baz\u0131 t\u00fcrler i\u00e7in tersine bir e\u011filim belirdi. \u0130klim \u0131s\u0131nmas\u0131, daha y\u00fcksek s\u0131cakl\u0131klara uyum sa\u011flam\u0131\u015f b\u00f6cekleri desteklerken, so\u011fu\u011fa uyum sa\u011flam\u0131\u015f t\u00fcrler gerilemeye devam etti. Saproksilik b\u00f6cekler, f\u0131rt\u0131nalar ve biyo\u00e7e\u015fitlili\u011fe daha sayg\u0131l\u0131 orman y\u00f6netimi sayesinde artan \u00f6l\u00fc odun miktar\u0131ndan da faydaland\u0131. Bu olaylar, \u0131\u015f\u0131\u011fa daha iyi maruz kalma ve besin kaynaklar\u0131n\u0131n artmas\u0131 gibi daha elveri\u015fli ko\u015fullar yaratt\u0131.<\/p>\n
\u0130svi\u00e7re\u2019nin b\u00f6lgeleri aras\u0131ndaki farkl\u0131l\u0131klar da dikkat \u00e7ekici. Tar\u0131m\u0131n en yo\u011fun oldu\u011fu Plato ve Kuzey Alpler\u2019de, kelebekler en b\u00fcy\u00fck kay\u0131plar\u0131 ya\u015fad\u0131 ve kay\u0131plar neredeyse %30\u2019a ula\u015fabiliyor. Buna kar\u015f\u0131n, Merkezi Alpler ve Jura\u2019da gerilemeler daha az belirgin hatta baz\u0131 t\u00fcrler i\u00e7in durgunla\u015ft\u0131. Bu farkl\u0131l\u0131klar, tar\u0131m\u0131n yo\u011funla\u015fmas\u0131 ve orman y\u00f6netimindeki farkl\u0131 seviyelerle a\u00e7\u0131klan\u0131yor.<\/p>\n
\u00c7e\u015fitli ya\u015fam alanlar\u0131nda ya\u015fayabilen genelci t\u00fcrler, \u00e7ok \u00f6zel \u00e7evresel ko\u015fullara ba\u011f\u0131ml\u0131 olan uzmanla\u015fm\u0131\u015f t\u00fcrlerden daha diren\u00e7li oldu. Uzmanla\u015fm\u0131\u015f t\u00fcrler aras\u0131nda, b\u00fcy\u00fck boyutlu saproksilik b\u00f6cekler ve k\u00fc\u00e7\u00fck kelebekler en fazla etkilenenler oldu. B\u00fcy\u00fck boyutlu saproksilik b\u00f6cekler, yo\u011fun orman y\u00f6netimi nedeniyle nadir hale gelen b\u00fcy\u00fck \u00e7apl\u0131 g\u00f6vdeler gerektiriyor. K\u00fc\u00e7\u00fck kelebekler ise, daha az hareketli olduklar\u0131 i\u00e7in par\u00e7alanm\u0131\u015f manzaralara ve h\u0131zl\u0131 de\u011fi\u015fikliklere uyum sa\u011flamakta zorlan\u0131yor.<\/p>\n
S\u0131cak iklimlere uyum sa\u011flam\u0131\u015f t\u00fcrler, 1980\u2019den sonra iklim de\u011fi\u015fikli\u011finin h\u0131zlanmas\u0131ndan faydalanarak toparland\u0131. So\u011fu\u011fa uyum sa\u011flam\u0131\u015f t\u00fcrler ise, \u00f6zellikle da\u011fl\u0131k b\u00f6lgelerde ya\u015fam alanlar\u0131 darald\u0131\u011f\u0131 i\u00e7in gerilemeye devam etti. Bu durum, b\u00f6cek topluluklar\u0131n\u0131n, yeni ko\u015fullara uyum sa\u011flama kapasitelerine g\u00f6re kazananlar\u0131n ve kaybedenlerin belirdi\u011fi bir yeniden yap\u0131land\u0131rmas\u0131n\u0131 g\u00f6steriyor.<\/p>\n
Bu \u00e7al\u0131\u015fma, koruma kararlar\u0131n\u0131n tarihsel de\u011fi\u015fiklikleri ve iklim etkilerini dikkate almas\u0131 gerekti\u011fini g\u00f6steriyor. B\u00f6cek \u00e7e\u015fitlili\u011fini korumak i\u00e7in tar\u0131m ve ormanc\u0131l\u0131k uygulamalar\u0131n\u0131n etkisinin azalt\u0131lmas\u0131 hayati \u00f6nem ta\u015f\u0131yor. Biyo\u00e7e\u015fitlili\u011fi destekleyen son \u00f6nlemler, \u00f6rne\u011fin ormanlar\u0131n daha do\u011fal y\u00f6netimi ve tar\u0131m-\u00e7evre programlar\u0131, baz\u0131 pop\u00fclasyonlar\u0131n istikrar kazanmas\u0131n\u0131 sa\u011flad\u0131. Bununla birlikte, uzmanla\u015fm\u0131\u015f t\u00fcrler halen ac\u0131 \u00e7ekmeye devam ediyor, ya\u015fam alanlar\u0131n\u0131n restore edilmesinin ve manzara ba\u011flant\u0131s\u0131n\u0131n iyile\u015ftirilmesinin \u00f6nemini vurguluyor.<\/p>\n
DOI\u00a0:<\/strong> https:\/\/doi.org\/10.1038\/s41559-026-03074-6<\/a><\/p>\n Titre\u00a0:<\/strong> Ninety-year trends reveal sharpest insect declines in the mid-twentieth century<\/p>\n Revue : <\/strong> Nature Ecology & Evolution<\/p>\n \u00c9diteur : <\/strong> Springer Science and Business Media LLC<\/p>\n Auteurs : <\/strong> Felix Neff; Kurt Bollmann; Yannick Chittaro; Martin M. Gossner; Felix Herzog; Fr\u00e4nzi Korner-Nievergelt; Glenn Litsios; Carlos Mart\u00ednez-N\u00fa\u00f1ez; Marco Moretti; Emmanuel Rey; Andreas Sanchez; Eva Knop<\/p>\n","protected":false},"excerpt":{"rendered":" B\u00f6cekler, 20. Y\u00fczy\u0131l\u0131n Ortalar\u0131nda En B\u00fcy\u00fck Gerilemelerini Mi Ya\u015fad\u0131? Dokuz on y\u0131l\u0131 kapsayan benzersiz bir analiz, \u0130svi\u00e7re\u2019deki b\u00f6cek pop\u00fclasyonlar\u0131n\u0131n, \u00f6zellikle 1930 ile 1980 y\u0131llar\u0131 aras\u0131nda derin d\u00f6n\u00fc\u015f\u00fcmler ge\u00e7irdi\u011fini ortaya koyuyor. \u00d6l\u00fc oduna ba\u011f\u0131ml\u0131 olan saproksilik b\u00f6cekler ve tozla\u015fmada kritik rol oynayan kelebekler, bu d\u00f6nemde t\u00fcr zenginliklerinde \u00f6nemli \u00f6l\u00e7\u00fcde azalma ya\u015fad\u0131. Saproksilik b\u00f6cekler, 1930\u2019lardan itibaren belirgin… Okumaya devam et B\u00f6cekler, 20. Y\u00fczy\u0131l\u0131n Ortalar\u0131nda En B\u00fcy\u00fck Gerilemelerini Mi Ya\u015fad\u0131?<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,6],"tags":[],"class_list":["post-21","post","type-post","status-publish","format-standard","hentry","category-cevre","category-kultur","entry"],"_links":{"self":[{"href":"https:\/\/biodiversityreview.com\/tr\/wp-json\/wp\/v2\/posts\/21","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/biodiversityreview.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/biodiversityreview.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/biodiversityreview.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/biodiversityreview.com\/tr\/wp-json\/wp\/v2\/comments?post=21"}],"version-history":[{"count":1,"href":"https:\/\/biodiversityreview.com\/tr\/wp-json\/wp\/v2\/posts\/21\/revisions"}],"predecessor-version":[{"id":22,"href":"https:\/\/biodiversityreview.com\/tr\/wp-json\/wp\/v2\/posts\/21\/revisions\/22"}],"wp:attachment":[{"href":"https:\/\/biodiversityreview.com\/tr\/wp-json\/wp\/v2\/media?parent=21"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/biodiversityreview.com\/tr\/wp-json\/wp\/v2\/categories?post=21"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/biodiversityreview.com\/tr\/wp-json\/wp\/v2\/tags?post=21"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}