{"id":3290,"count":1,"description":"<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"689\" data-end=\"1491\"><strong data-start=\"689\" data-end=\"708\">Evol\u00faci\u00f3s m\u00falt:<\/strong> A kett\u0151sujj\u00fa gekk\u00f3k (Diplodactylidae) a gekk\u00f3k egyik \u0151si ausztr\u00e1l\u00e1zsiai evol\u00faci\u00f3s \u00e1g\u00e1t alkotj\u00e1k. A Carphodactylidae \u00e9s a szinte teljesen l\u00e1batlann\u00e1 v\u00e1lt Pygopodidae csal\u00e1dokkal egy\u00fctt a kelet-gondwanai eredet\u0171 Diplodactyloidea \u00e1g\u00e1hoz tartoznak. A ma \u00e9l\u0151 Diplodactylidae k\u00f6z\u00f6s \u0151se val\u00f3sz\u00edn\u0171leg Ausztr\u00e1li\u00e1ban \u00e9lt, f\u0151 evol\u00faci\u00f3s vonalaik pedig mintegy 45 milli\u00f3 \u00e9ve, az eoc\u00e9nben kezdtek sz\u00e9tv\u00e1lni. <strong data-start=\"1109\" data-end=\"1198\">\u00daj-Kaled\u00f3nia \u00e9s \u00daj-Z\u00e9land gekk\u00f3i egym\u00e1st\u00f3l f\u00fcggetlen\u00fcl, ausztr\u00e1l \u0151s\u00f6kb\u0151l alakultak ki<\/strong>, \u00e9s csak Gondwana feldarabol\u00f3d\u00e1sa ut\u00e1n jutottak el ezekre a ter\u00fcletekre. \u00daj-Z\u00e9land \u0151sei p\u00e9ld\u00e1ul nagyj\u00e1b\u00f3l 40 milli\u00f3 \u00e9ve v\u00e1ltak el ausztr\u00e1l rokonaikt\u00f3l, vagyis jelenl\u00e9t\u00fck nem magyar\u00e1zhat\u00f3 egyszer\u0171en azzal, hogy a szigetek magukkal vitt\u00e9k \u0151ket Gondwan\u00e1r\u00f3l.<\/p>\r\n<p data-start=\"1493\" data-end=\"2660\"><strong data-start=\"1493\" data-end=\"1516\">Kin\u00e9zet \u00e9s \u00e9letm\u00f3d:<\/strong> A csal\u00e1d testfel\u00e9p\u00edt\u00e9se meglep\u0151en v\u00e1ltozatos: tal\u00e1lunk k\u00f6z\u00f6tt\u00fck apr\u00f3 talajlak\u00f3 fajokat, karcs\u00fa f\u00e1n \u00e9l\u0151 gekk\u00f3kat, er\u0151teljes tapad\u00f3p\u00e1rn\u00e1kkal kapaszkod\u00f3 form\u00e1kat \u00e9s olyan vonalakat is, amelyekn\u00e9l a tapad\u00f3rendszer m\u00e1sodlagosan visszafejl\u0151d\u00f6tt. A l\u00e1bujjak tapad\u00f3fel\u00fclet\u00e9nek alakja az evol\u00faci\u00f3 sor\u00e1n t\u00f6bbsz\u00f6r \u00e1talakult, j\u00f3l p\u00e9ld\u00e1zva, hogy m\u00e9g a gekk\u00f3k egyik legismertebb tulajdons\u00e1ga sem v\u00e1ltozatlan. Az ausztr\u00e1l <em data-start=\"1924\" data-end=\"1936\">Strophurus<\/em> fajok enn\u00e9l is k\u00fcl\u00f6n\u00f6sebb v\u00e9dekez\u00e9st fejlesztettek ki: farkuk speci\u00e1lis mirigyeib\u0151l <strong data-start=\"2021\" data-end=\"2094\">ragad\u00f3s, kellemetlen szag\u00fa v\u00e1lad\u00e9kot k\u00e9pesek a t\u00e1mad\u00f3 fel\u00e9 kil\u00f6vellni<\/strong>, ami a pikkelyes h\u00fcll\u0151k k\u00f6z\u00f6tt rendk\u00edv\u00fcl ritka megold\u00e1s. Az \u00faj-z\u00e9landi kett\u0151sujj\u00fa gekk\u00f3k pedig egy m\u00e1sik gekk\u00f3szab\u00e1lyt szegnek meg: toj\u00e1srak\u00e1s helyett <strong data-start=\"2246\" data-end=\"2280\">eleven ut\u00f3dokat hoznak vil\u00e1gra<\/strong>, sok fajuk emellett szokatlanul hossz\u00fa \u00e9let\u0171 \u00e9s h\u0171v\u00f6s \u00e9ghajlathoz alkalmazkodott. A csal\u00e1d sz\u00e9ls\u0151s\u00e9ges m\u00e9retbeli v\u00e1ltozatoss\u00e1g\u00e1nak cs\u00facsa a feltehet\u0151en kihalt <em data-start=\"2440\" data-end=\"2462\">Gigarcanum delcourti<\/em>: az egyetlen ismert p\u00e9ld\u00e1ny alapj\u00e1n <strong data-start=\"2499\" data-end=\"2538\">ez a valaha ismert legnagyobb gekk\u00f3<\/strong>, amelynek genetikai vizsg\u00e1lata v\u00e1ratlanul az \u00faj-kaled\u00f3niai evol\u00faci\u00f3s \u00e1ghoz k\u00f6t\u00f6tte.<\/p>\r\n<p data-start=\"2662\" data-end=\"3584\"><strong data-start=\"2662\" data-end=\"2683\">\u00d6kol\u00f3giai szerep:<\/strong> A kett\u0151sujj\u00fa gekk\u00f3k Ausztr\u00e1lia sivatagos \u00e9s erd\u0151s ter\u00fcleteit\u0151l \u00daj-Kaled\u00f3nia tr\u00f3pusi \u00e9l\u0151helyein \u00e1t \u00daj-Z\u00e9land h\u0171v\u00f6s erdei \u00e9s alpesi r\u00e9gi\u00f3iig rendk\u00edv\u00fcl k\u00fcl\u00f6nb\u00f6z\u0151 \u00f6kol\u00f3giai k\u00f6rnyezeteket n\u00e9pes\u00edtettek be. Sok faj els\u0151sorban rovarokat, p\u00f3kokat \u00e9s m\u00e1s gerincteleneket fogyaszt, de k\u00fcl\u00f6n\u00f6sen az \u00faj-z\u00e9landi gekk\u00f3k k\u00f6z\u00f6tt a gy\u00fcm\u00f6lcs- \u00e9s nekt\u00e1rfogyaszt\u00e1s is jelent\u0151s. Ez nem egyszer\u0171 \u00e9trendi \u00e9rdekess\u00e9g: terepi vizsg\u00e1latok szerint egyes fajok <strong data-start=\"3116\" data-end=\"3214\">hat\u00e9kony magterjeszt\u0151k\u00e9nt m\u0171k\u00f6dnek, \u00e9s a vir\u00e1gok l\u00e1togat\u00e1s\u00e1val a beporz\u00e1sban is r\u00e9szt vehetnek<\/strong>. A csal\u00e1d ma m\u00e1r <strong data-start=\"3232\" data-end=\"3265\">t\u00f6bb mint k\u00e9tsz\u00e1z ismert fajt<\/strong> foglal mag\u00e1ban. Az \u00daj-Z\u00e9landon \u00e9s \u00daj-Kaled\u00f3ni\u00e1ban kialakult szigeti radi\u00e1ci\u00f3k sz\u00e1mos kis elterjed\u00e9s\u0171 endemikus fajt hoztak l\u00e9tre, amelyek sz\u00e1m\u00e1ra az \u00e9l\u0151helyveszt\u00e9s, a behurcolt ragadoz\u00f3k \u00e9s egyes esetekben az illeg\u00e1lis \u00e1llatkereskedelem komoly term\u00e9szetv\u00e9delmi vesz\u00e9lyt jelenthet.<\/p>","link":"https:\/\/terraplaza.com\/magazin\/hu\/category\/hullok\/pikkelyes-hullok\/gekkok\/kettosujju-gekkok\/","name":"Kett\u0151sujj\u00fa gekk\u00f3k","slug":"kettosujju-gekkok","taxonomy":"category","parent":942,"meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Kett\u0151sujj\u00fa gekk\u00f3k &#8211; TerraPlaza magazin<\/title>\n<meta name=\"description\" content=\"Kett\u0151sujj\u00fa gekk\u00f3k: evol\u00faci\u00f3, fajismeret \u00e9s term\u00e9szetv\u00e9delem. 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