{"id":371193,"date":"2026-03-26T14:31:15","date_gmt":"2026-03-26T13:31:15","guid":{"rendered":"https:\/\/zakrasnejsivimperk.cz\/?p=371193"},"modified":"2026-03-26T14:31:15","modified_gmt":"2026-03-26T13:31:15","slug":"jizni-cechy-lipensti-candati-dostanou-hnizda-z-kominickych-stetek-odbornici-sleduji-jejich-treni","status":"publish","type":"post","link":"https:\/\/zakrasnejsivimperk.cz\/?p=371193","title":{"rendered":"JI\u017dN\u00cd \u010cECHY: Lipen\u0161t\u00ed cand\u00e1ti dostanou hn\u00edzda z kominick\u00fdch \u0161t\u011btek, odborn\u00edci sleduj\u00ed jejich t\u0159en\u00ed"},"content":{"rendered":"

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Ji\u017e t\u0159et\u00edm rokem budou jiho\u010de\u0161t\u00ed ryb\u00e1\u0159i z\u00a0\u010cesk\u00e9ho ryb\u00e1\u0159sk\u00e9ho svazu spolu s v\u011bdci z\u00a0Biologick\u00e9ho centra Akademie v\u011bd \u010cR sledovat pr\u016fb\u011bh t\u0159en\u00ed cand\u00e1t\u016f na Lipn\u011b. V\u00a0z\u00e1toce Had\u00ed luka, v\u00a0H\u016freck\u00e9 z\u00e1toce a v\u00a0oblasti Valtrova instaluj\u00ed odborn\u00edci na konci b\u0159ezna celkem 70 um\u011bl\u00fdch hn\u00edzd. Zku\u0161enosti z\u00a0uplynul\u00fdch dvou let ukazuj\u00ed, \u017ee cand\u00e1ti velmi r\u00e1di vezmou zavd\u011bk podlo\u017ekami vyroben\u00fdmi z\u00a0kominick\u00fdch \u0161t\u011btek. Sv\u011bd\u010d\u00ed to o tom, \u017ee v n\u00e1dr\u017ei nemaj\u00ed p\u0159\u00edli\u0161 mnoho jin\u00fdch vhodn\u00fdch m\u00edst k rozmno\u017eov\u00e1n\u00ed.<\/b><\/h6>\n

\"\"Ka\u017edoro\u010dn\u011b touto dobou p\u0159iplouvaj\u00ed p\u00e1ry cand\u00e1t\u016f do m\u011bl\u010d\u00edch \u010d\u00e1st\u00ed Lipensk\u00e9 n\u00e1dr\u017ee, aby zajistily pokra\u010dov\u00e1n\u00ed rodu do dal\u0161\u00ed generace. Cand\u00e1t obecn\u00fd se vyzna\u010duje vyvinutou rodi\u010dovskou p\u00e9\u010d\u00ed \u2013 pro sn\u016f\u0161ku jiker si buduje hn\u00edzda, kter\u00e1 tak\u00e9 s\u00a0velk\u00fdm odhodl\u00e1n\u00edm br\u00e1n\u00ed proti vet\u0159elc\u016fm. Pro podporu rozmno\u017eov\u00e1n\u00ed cand\u00e1t\u016f proto odborn\u00edci p\u0159ipravuj\u00ed ryb\u00e1m um\u011bl\u00e1 hn\u00edzda. A velmi \u00fasp\u011b\u0161n\u011b. Obsazenost hn\u00edzd v\u00a0minul\u00fdch letech p\u0159esahovala devades\u00e1t procent. N\u011bkter\u00e1 hn\u00edzda dokonce cand\u00e1ti pou\u017eili pro dv\u011b po sob\u011b jdouc\u00ed sn\u016f\u0161ky jiker. Sotva se jedna sn\u016f\u0161ka vyl\u00edhla, hned se objevily nov\u00e9 jikry. Tak\u00e9 zapln\u011bnost hn\u00edzd jikrami b\u00fdv\u00e1 vysok\u00e1, cand\u00e1ti v\u00a0pr\u016fm\u011bru pou\u017eij\u00ed p\u0159es 60% prostoru, kter\u00fd jim hn\u00edzda nab\u00edzej\u00ed.<\/p>\n

\u201eZde m\u00e1me mo\u017enost opatrn\u011b sledovat, jestli inkubace jiker prob\u00edh\u00e1 tak, jak m\u00e1, a jestli se starostliv\u00fd cand\u00e1t\u00ed otec nestane ob\u011bt\u00ed rybo\u017erav\u00e9ho pred\u00e1tora. Z\u00e1rove\u0148 tento experiment poskytuje p\u0159esn\u00e9 informace, kdy v\u00fdt\u011br cand\u00e1ta prob\u00edh\u00e1, jak\u00e1 stanovi\u0161t\u011b si cand\u00e1ti vyb\u00edraj\u00ed a jakou lze o\u010dek\u00e1vat \u00fasp\u011b\u0161nost rozmno\u017eov\u00e1n\u00ed,\u201c<\/em> \u0159\u00edk\u00e1 hydrobiolog Jan Kube\u010dka z\u00a0Biologick\u00e9ho centra AV \u010cR.<\/p>\n

Hn\u00edzda budou odborn\u00edci po celou dobu, kdy samci hl\u00eddaj\u00ed jikry, pravideln\u011b kontrolovat.\u00a0<\/b>Um\u011bl\u00e1 hn\u00edzda odborn\u00edci pokl\u00e1daj\u00ed do vhodn\u00fdch p\u0159\u00edb\u0159e\u017en\u00edch m\u00edst do hloubky 1,5 -5 metr\u016f, aby vytvo\u0159ili co nejlep\u0161\u00ed podm\u00ednky pro t\u0159en\u00ed cand\u00e1t\u016f.<\/p>\n

Pros\u00edme v\u0161echny ryb\u00e1\u0159e a n\u00e1v\u0161t\u011bvn\u00edky n\u00e1dr\u017ee, aby soukrom\u00ed cand\u00e1t\u016f respektovali a nijak nezasahovali. Neodborn\u00fd z\u00e1sah m\u016f\u017ee vypudit hl\u00eddaj\u00edc\u00edho samce a v\u00e9st ke zk\u00e1ze cel\u00e9 sn\u016f\u0161ky jiker. Pokusn\u00e1 hn\u00edzda jsou pov\u011bt\u0161in\u011b ozna\u010dena b\u00edl\u00fdmi b\u00f3jkami s\u00a0n\u00e1pisem \u201eTrdli\u0161t\u011b Z\u00e1kaz rybolovu\u201c. Pros\u00edme, nep\u0159ibli\u017eujte se k\u00a0nim a v\u00a0\u017e\u00e1dn\u00e9m p\u0159\u00edpad\u011b se nesna\u017ete na nich kotvit nebo jakkoliv tahat za p\u0159ipevn\u011bnou \u0161\u0148\u016fru. Cand\u00e1t\u016fm tak umo\u017en\u00edme v\u00a0klidu pro\u017e\u00edt nejd\u016fle\u017eit\u011bj\u0161\u00ed obdob\u00ed sezony a za n\u011bkolik let se n\u00e1m odvd\u011b\u010d\u00ed vzru\u0161uj\u00edc\u00edmi \u00falovky.<\/p>\n

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Text a foto: (tz-av\u010dr)<\/strong><\/p>\n

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  Ji\u017e <\/p>\n","protected":false},"author":2,"featured_media":371194,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"footnotes":""},"categories":[128,174],"tags":[],"jetpack_featured_media_url":"https:\/\/zakrasnejsivimperk.cz\/wp-content\/uploads\/2026\/03\/24\/Lipensti-candati-dostanou-hnizda-z-kominickych-stetek-1.jpg","_links":{"self":[{"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/posts\/371193"}],"collection":[{"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=371193"}],"version-history":[{"count":1,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/posts\/371193\/revisions"}],"predecessor-version":[{"id":371196,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/posts\/371193\/revisions\/371196"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=\/wp\/v2\/media\/371194"}],"wp:attachment":[{"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=371193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=371193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zakrasnejsivimperk.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=371193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}