{"id":15382,"date":"2023-09-19T08:52:43","date_gmt":"2023-09-19T06:52:43","guid":{"rendered":"https:\/\/zeleni-prsten.hr\/portal\/?p=15382"},"modified":"2023-09-19T08:52:43","modified_gmt":"2023-09-19T06:52:43","slug":"istrazivanje-crnke-2","status":"publish","type":"post","link":"https:\/\/zeleni-prsten.hr\/portal\/istrazivanje-crnke-2\/","title":{"rendered":"Istra\u017eivanje crnke"},"content":{"rendered":"<p>Nakon \u0161to je 2021. godine provedeno prvo detaljnije istra\u017eivanje globalno ugro\u017eene vrste ribe, crnke (Umbra krameri), ove godine u suradnji s ihtiolozima iz tvrtke BIOTA j.d.o.o. provodimo monitoring populacije na rijeci Odri kod Jagodna. Prema rezultatima istra\u017eivanja i procjeni stru\u010dnjaka iz 2021. godine, populacija crnke u rijeci Odri i pritokama spada u tri najbrojnije poznate populacije na svijetu te \u010dini vi\u0161e od 15% nacionalne populacije.<\/p>\n<p>Istra\u017eivanja se provode od prolje\u0107a do jeseni kako bi se prikupil \u0161to kvalitetniji podaci o brojnosti vrste i stanju stani\u0161ta. Rezultat istra\u017eivanja je procjena brojnosti i kartiranje vrste na istra\u017eivanom podru\u010dju. Osim crnke, tijekom istra\u017eivanja bilje\u017ei se prisutnost svih ostalih vrsta riba. Glavna metoda istra\u017eivanja je elektroribolov pri \u010demu se sva ulovljena riba stavlja u spremnike s dovoljno kisika te se potom mjeri i vra\u0107a na mjestu ulova.<\/p>\n<p>Osim \u0161to je crnka iznimno rijetka vrsta ribe, zanimljivo je i \u0161to kroz du\u017ee razdoblje mo\u017ee pre\u017eivjeti vrlo niske koncentracije kisika. To joj omogu\u0107uje specijalna prilagodba vrlo dobro prokrvljenog ribljeg mjehura kojim mo\u017ee apsorbirati kisik iz atmosfere. Tako pre\u017eivljava u uvjetima u kojima ve\u0107ina drugih vrsta riba ne mo\u017ee pre\u017eivjeti, a nastalo je kao prilagodba na prirodna mo\u010dvarna stani\u0161ta u kojima razdoblja s malo kisika nisu neuobi\u010dajena. Osim kod Jagodna, u Zagreba\u010dkoj \u017eupaniji zabilje\u017eena je jo\u0161 samo u par lokvica u \u0161umi \u017dutica.<\/p>\n\n<div class=\"ngg-galleryoverview ngg-template-caption\" id=\"ngg-gallery-3603d574f73333b1be6d96369b185b2b-15382\">\n\n\n\t<!-- Thumbnails -->\n    \t\t\n\t<div id=\"ngg-image-1153\" class=\"ngg-gallery-thumbnail-box\"  >\n\t\t<div class=\"ngg-gallery-thumbnail\" >\n\t\t\t<a href=\"https:\/\/zeleni-prsten.hr\/portal\/wp-content\/gallery\/istrazivanje-crke\/Istrazivanje_crnka-1-1.jpg\"\n               title=\" \"\n               class=\"ngg-simplelightbox\" rel=\"3603d574f73333b1be6d96369b185b2b\" data-image-id=\"1153\" data-src=\"https:\/\/zeleni-prsten.hr\/portal\/wp-content\/gallery\/istrazivanje-crke\/Istrazivanje_crnka-1-1.jpg\" data-thumbnail=\"https:\/\/zeleni-prsten.hr\/portal\/wp-content\/gallery\/istrazivanje-crke\/cache\/Istrazivanje_crnka-1-1.jpg-nggid041153-ngg0dyn-360x320x100-00f0w010c011r110f110r010t010.jpg\" data-title=\"Istrazivanje_crnka-1-1\" data-description=\" \" >\n\t\t\t\t\t\t\t\t<img title=\"Istrazivanje_crnka-1-1\" alt=\"Istrazivanje_crnka-1-1\" src=\"https:\/\/zeleni-prsten.hr\/portal\/wp-content\/gallery\/istrazivanje-crke\/cache\/Istrazivanje_crnka-1-1.jpg-nggid041153-ngg0dyn-360x320x100-00f0w010c011r110f110r010t010.jpg\" width='360' height='320' \/>\n\t\t\t\t\t\t\t<\/a>\n\t\t\t<span> <\/span>\n\t\t<\/div>\n\t<\/div>\n\t\t \t\t\n\t<div id=\"ngg-image-1154\" class=\"ngg-gallery-thumbnail-box\"  >\n\t\t<div class=\"ngg-gallery-thumbnail\" >\n\t\t\t<a href=\"https:\/\/zeleni-prsten.hr\/portal\/wp-content\/gallery\/istrazivanje-crke\/Istrazivanje_crnka-2-1.jpg\"\n               title=\" \"\n               class=\"ngg-simplelightbox\" rel=\"3603d574f73333b1be6d96369b185b2b\" data-image-id=\"1154\" data-src=\"https:\/\/zeleni-prsten.hr\/portal\/wp-content\/gallery\/istrazivanje-crke\/Istrazivanje_crnka-2-1.jpg\" data-thumbnail=\"https:\/\/zeleni-prsten.hr\/portal\/wp-content\/gallery\/istrazivanje-crke\/cache\/Istrazivanje_crnka-2-1.jpg-nggid041154-ngg0dyn-360x320x100-00f0w010c011r110f110r010t010.jpg\" data-title=\"Istrazivanje_crnka-2-1\" data-description=\" \" >\n\t\t\t\t\t\t\t\t<img title=\"Istrazivanje_crnka-2-1\" alt=\"Istrazivanje_crnka-2-1\" src=\"https:\/\/zeleni-prsten.hr\/portal\/wp-content\/gallery\/istrazivanje-crke\/cache\/Istrazivanje_crnka-2-1.jpg-nggid041154-ngg0dyn-360x320x100-00f0w010c011r110f110r010t010.jpg\" width='360' height='320' \/>\n\t\t\t\t\t\t\t<\/a>\n\t\t\t<span> <\/span>\n\t\t<\/div>\n\t<\/div>\n\t\t \t\t\n\t<div id=\"ngg-image-1155\" class=\"ngg-gallery-thumbnail-box\"  >\n\t\t<div class=\"ngg-gallery-thumbnail\" >\n\t\t\t<a href=\"https:\/\/zeleni-prsten.hr\/portal\/wp-content\/gallery\/istrazivanje-crke\/Crnka-Dusan-Jelic-2-Medium.jpg\"\n               title=\" \"\n               class=\"ngg-simplelightbox\" rel=\"3603d574f73333b1be6d96369b185b2b\" data-image-id=\"1155\" data-src=\"https:\/\/zeleni-prsten.hr\/portal\/wp-content\/gallery\/istrazivanje-crke\/Crnka-Dusan-Jelic-2-Medium.jpg\" data-thumbnail=\"https:\/\/zeleni-prsten.hr\/portal\/wp-content\/gallery\/istrazivanje-crke\/cache\/Crnka-Dusan-Jelic-2-Medium.jpg-nggid041155-ngg0dyn-360x320x100-00f0w010c011r110f110r010t010.jpg\" data-title=\"Crnka-Dusan-Jelic-2-Medium\" data-description=\" \" >\n\t\t\t\t\t\t\t\t<img title=\"Crnka-Dusan-Jelic-2-Medium\" alt=\"Crnka-Dusan-Jelic-2-Medium\" src=\"https:\/\/zeleni-prsten.hr\/portal\/wp-content\/gallery\/istrazivanje-crke\/cache\/Crnka-Dusan-Jelic-2-Medium.jpg-nggid041155-ngg0dyn-360x320x100-00f0w010c011r110f110r010t010.jpg\" width='360' height='320' \/>\n\t\t\t\t\t\t\t<\/a>\n\t\t\t<span> <\/span>\n\t\t<\/div>\n\t<\/div>\n\t\t \t \t\n\t<!-- Pagination -->\n \t<div class='ngg-clear'><\/div> \t\n<\/div>\n\n\n","protected":false},"excerpt":{"rendered":"<p>Nakon \u0161to je 2021. godine provedeno prvo detaljnije istra\u017eivanje globalno ugro\u017eene vrste ribe, crnke (Umbra krameri), ove godine u suradnji s ihtiolozima iz tvrtke BIOTA j.d.o.o. provodimo monitoring populacije na rijeci Odri kod Jagodna. Prema rezultatima istra\u017eivanja i procjeni stru\u010dnjaka [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":10788,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[59],"tags":[281,570,65,67,147,417,77,79,81],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.4.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Istra\u017eivanje crnke - JU Zeleni prsten Zagreba\u010dke \u017eupanije<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zeleni-prsten.hr\/portal\/istrazivanje-crnke-2\/\" \/>\n<meta property=\"og:locale\" content=\"hr_HR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Istra\u017eivanje crnke - JU Zeleni prsten Zagreba\u010dke \u017eupanije\" \/>\n<meta property=\"og:description\" content=\"Nakon \u0161to je 2021. godine provedeno prvo detaljnije istra\u017eivanje globalno ugro\u017eene vrste ribe, crnke (Umbra krameri), ove godine u suradnji s ihtiolozima iz tvrtke BIOTA j.d.o.o. provodimo monitoring populacije na rijeci Odri kod Jagodna. 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