{"id":4067,"date":"2015-09-18T12:34:07","date_gmt":"2015-09-18T11:34:07","guid":{"rendered":"http:\/\/www.gymhorice.cz\/?p=4067"},"modified":"2015-12-17T17:27:25","modified_gmt":"2015-12-17T16:27:25","slug":"jak-se-maji-lisejniky","status":"publish","type":"post","link":"https:\/\/www.gymhorice.cz\/?p=4067","title":{"rendered":"Jak se maj\u00ed li\u0161ejn\u00edky?"},"content":{"rendered":"<p><a href=\"http:\/\/www.gymhorice.cz\/?attachment_id=4069\" rel=\"attachment wp-att-4069\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-4069\" style=\"margin-right: 10px;\" src=\"http:\/\/www.gymhorice.cz\/wp-content\/uploads\/2015\/10\/2015-10-helena01m.jpg\" alt=\"2015-10-helena01m\" width=\"200\" height=\"133\" \/><\/a>Li\u0161ejn\u00edky jsou organismy, kter\u00e9 vznikaj\u00ed vz\u00e1jemn\u00fdm t\u011bsn\u00fdm vztahem mezi houbov\u00fdmi vl\u00e1kny a&nbsp;\u0159asami nebo sinicemi. Tento vztah je pom\u011brn\u011b k\u0159ehk\u00fd, li\u0161ejn\u00edky proto nerostou \u00fapln\u011b v\u0161ude. Takov\u00e9 organismy se naz\u00fdvaj\u00ed bioindik\u00e1tory, jejich v\u00fdskyt vypov\u00edd\u00e1 o&nbsp;vlastnostech prost\u0159ed\u00ed, ve kter\u00e9m se nach\u00e1zej\u00ed. A&nbsp;pr\u00e1v\u011b li\u0161ejn\u00edky jsou citliv\u00e9 na zne\u010di\u0161t\u011bn\u00ed prost\u0159ed\u00ed oxidy s\u00edry a&nbsp;dus\u00edku. Jak je to v\u00a0Ho\u0159ic\u00edch s\u00a0\u010distotou ovzdu\u0161\u00ed? Prv\u00e1ci a&nbsp;druh\u00e1ci se vypravili do Smetanov\u00fdch sad\u016f a&nbsp;na Gothard, aby to vyzkoumali s\u00a0pomoc\u00ed li\u0161ejn\u00edk\u016f rostouc\u00edch na k\u016f\u0159e strom\u016f. A&nbsp;co jsme zjistili? Na stromech se vyskytuj\u00ed li\u0161ejn\u00edky s\u00a0korovitou a&nbsp;lupenitou st\u00e9lkou, ale nen\u00ed jich mnoho, do 5 druh\u016f na jednom strom\u011b. Na b\u0159\u00edz\u00e1ch na Gothard\u011b se objevila dokonce provazovka srstnat\u00e1, to u\u017e je trochu citliv\u011bj\u0161\u00ed li\u0161ejn\u00edk, v\u00a0posledn\u00ed dob\u011b se ale nech\u00e1 naj\u00edt. Prozkoumali jsme p\u0159es 30 strom\u016f, pro p\u0159esn\u011bj\u0161\u00ed z\u00e1v\u011bry bychom museli na\u0161e v\u00fdzkumy roz\u0161\u00ed\u0159it. Na druhou stranu m\u016f\u017eeme srovn\u00e1vat s\u00a0m\u011b\u0159en\u00edmi, kter\u00e1 prov\u00e1d\u011bli studenti na\u0161\u00ed \u0161koly od devades\u00e1t\u00fdch let minul\u00e9ho stolet\u00ed. Tak\u017ee m\u016f\u017eeme \u0159\u00edci, \u017ee po\u010det druh\u016f epifytick\u00fdch li\u0161ejn\u00edk\u016f se ve Smetanov\u00fdch sadech a&nbsp;na Gothard\u011b v\u00fdrazn\u011b nezm\u011bnil, zat\u00ed\u017een\u00ed emisemi s\u00edry a&nbsp;dus\u00edku je st\u0159edn\u00ed.<\/p>\n<p style=\"text-align: right;\">Helena Trkalov\u00e1<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Li\u0161ejn\u00edky jsou organismy, kter\u00e9 vznikaj\u00ed vz\u00e1jemn\u00fdm t\u011bsn\u00fdm vztahem mezi houbov\u00fdmi vl\u00e1kny a&nbsp;\u0159asami nebo sinicemi. Tento vztah je pom\u011brn\u011b k\u0159ehk\u00fd, li\u0161ejn\u00edky proto nerostou \u00fapln\u011b v\u0161ude. Takov\u00e9 organismy se naz\u00fdvaj\u00ed bioindik\u00e1tory, jejich v\u00fdskyt vypov\u00edd\u00e1 o&nbsp;vlastnostech prost\u0159ed\u00ed, ve kter\u00e9m se nach\u00e1zej\u00ed. A&nbsp;pr\u00e1v\u011b li\u0161ejn\u00edky jsou citliv\u00e9 na zne\u010di\u0161t\u011bn\u00ed prost\u0159ed\u00ed oxidy s\u00edry a&nbsp;dus\u00edku. Jak je &#8230; <a title=\"Jak se maj\u00ed li\u0161ejn\u00edky?\" class=\"read-more\" href=\"https:\/\/www.gymhorice.cz\/?p=4067\" aria-label=\"\u010c\u00edst v\u00edce o Jak se maj\u00ed li\u0161ejn\u00edky?\">p\u0159e\u010d\u00edst v\u0161e<\/a><\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[2],"tags":[36],"class_list":["post-4067","post","type-post","status-publish","format-standard","hentry","category-aktuality","tag-akce"],"_links":{"self":[{"href":"https:\/\/www.gymhorice.cz\/index.php?rest_route=\/wp\/v2\/posts\/4067","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gymhorice.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gymhorice.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gymhorice.cz\/index.php?rest_route=\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gymhorice.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4067"}],"version-history":[{"count":1,"href":"https:\/\/www.gymhorice.cz\/index.php?rest_route=\/wp\/v2\/posts\/4067\/revisions"}],"predecessor-version":[{"id":4070,"href":"https:\/\/www.gymhorice.cz\/index.php?rest_route=\/wp\/v2\/posts\/4067\/revisions\/4070"}],"wp:attachment":[{"href":"https:\/\/www.gymhorice.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gymhorice.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gymhorice.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}