{"id":16309,"date":"2024-07-11T05:09:16","date_gmt":"2024-07-11T05:09:16","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=16309"},"modified":"2024-07-11T05:09:16","modified_gmt":"2024-07-11T05:09:16","slug":"fireflies-threats-habitat-loss-light-pollution-pesticides","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/life\/wildlife\/fireflies-threats-habitat-loss-light-pollution-pesticides\/","title":{"rendered":"Sv\u011btlu\u0161ky v ohro\u017een\u00ed: Ztr\u00e1ta stanovi\u0161\u0165, sv\u011bteln\u00e9 zne\u010di\u0161t\u011bn\u00ed a pesticidy"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Sv\u011btlu\u0161ky v ohro\u017een\u00ed: Ztr\u00e1ta stanovi\u0161\u0165, sv\u011bteln\u00e9 zne\u010di\u0161t\u011bn\u00ed a pesticidy<\/h2>\n\n<p>Sv\u011btlu\u0161ky, s jejich okouzluj\u00edc\u00ed bioluminiscen\u010dn\u00ed z\u00e1\u0159\u00ed, jsou obl\u00edben\u00fdm hmyzem, kter\u00fd rozjas\u0148uje na\u0161e letn\u00ed ve\u010dery. Ned\u00e1vn\u00e1 studie v\u0161ak odhaluje, \u017ee tyto fascinuj\u00edc\u00ed tvory \u010del\u00ed v\u00e1\u017en\u00fdm hrozb\u00e1m, kter\u00e9 by mohly v\u00e9st k jejich vyhynut\u00ed.<\/p>\n\n<h3 class=\"wp-block-heading\">Ztr\u00e1ta stanovi\u0161\u0165: Nejv\u011bt\u0161\u00ed hrozba<\/h3>\n\n<p>Ztr\u00e1ta stanovi\u0161\u0165, ni\u010den\u00ed nebo degradace p\u0159irozen\u00fdch oblast\u00ed, kde sv\u011btlu\u0161ky \u017eij\u00ed, p\u0159edstavuje nejv\u011bt\u0161\u00ed riziko pro jejich p\u0159e\u017eit\u00ed. S r\u016fstem a urbanizac\u00ed lidsk\u00e9 populace jsou stanovi\u0161t\u011b sv\u011btlu\u0161ek odstra\u0148ov\u00e1na pro rozvoj, zem\u011bd\u011blstv\u00ed a jin\u00e9 \u00fa\u010dely.<\/p>\n\n<p>Nap\u0159\u00edklad v Malajsii byly pob\u0159e\u017en\u00ed mangrovov\u00e9 lesy, kde se rozmno\u017euj\u00ed sv\u011btlu\u0161ky, odstran\u011bny pro urbanizaci, co\u017e vedlo k poklesu jejich populac\u00ed. V Anglii p\u0159isp\u011bly ke ztr\u00e1t\u011b stanovi\u0161\u0165 sv\u011btlu\u0161ek v\u00fdstavba silnic a zasyp\u00e1v\u00e1n\u00ed p\u0159\u00edkop\u016f.<\/p>\n\n<h3 class=\"wp-block-heading\">Sv\u011bteln\u00e9 zne\u010di\u0161t\u011bn\u00ed: Ru\u0161en\u00ed n\u00e1mluv<\/h3>\n\n<p>Sv\u011bteln\u00e9 zne\u010di\u0161t\u011bn\u00ed, nadm\u011brn\u00e9 a nevhodn\u00e9 pou\u017e\u00edv\u00e1n\u00ed um\u011bl\u00e9ho osv\u011btlen\u00ed v noci, je dal\u0161\u00ed velkou hrozbou pro sv\u011btlu\u0161ky. Bioluminiscence je z\u00e1sadn\u00ed pro rozmno\u017eov\u00e1n\u00ed sv\u011btlu\u0161ek. Same\u010dci sv\u011btlu\u0161ek pou\u017e\u00edvaj\u00ed sv\u011bteln\u00e9 z\u00e1blesky k p\u0159il\u00e1k\u00e1n\u00ed partnerek, zat\u00edmco sami\u010dky reaguj\u00ed sv\u00fdmi vlastn\u00edmi sv\u011bteln\u00fdmi sign\u00e1ly.<\/p>\n\n<p>Um\u011bl\u00e9 sv\u011btlo v noci ru\u0161\u00ed tyto n\u00e1mluvn\u00ed sign\u00e1ly. M\u016f\u017ee zt\u00ed\u017eit samc\u016fm nalezen\u00ed partnerek a samic\u00edm nalezen\u00ed vhodn\u00fdch m\u00edst pro rozmno\u017eov\u00e1n\u00ed.<\/p>\n\n<h3 class=\"wp-block-heading\">Pesticidy: Skryt\u00e9 nebezpe\u010d\u00ed<\/h3>\n\n<p>Pesticidy jsou chemik\u00e1lie pou\u017e\u00edvan\u00e9 k huben\u00ed \u0161k\u016fdc\u016f, ale mohou tak\u00e9 po\u0161kodit nec\u00edlov\u00fd hmyz, jako jsou sv\u011btlu\u0161ky. Larvy, nezral\u00e9 stadium sv\u011btlu\u0161ek, jsou obzvl\u00e1\u0161t\u011b citliv\u00e9 na pesticidy, proto\u017ee tr\u00e1v\u00ed a\u017e dva roky pod zem\u00ed nebo pod vodou, kde b\u00fdvaj\u00ed koncentrace pesticid\u016f vy\u0161\u0161\u00ed.<\/p>\n\n<p>P\u0159esto\u017ee je zapot\u0159eb\u00ed dal\u0161\u00ed v\u00fdzkum, studie uk\u00e1zaly, \u017ee \u0161irokospektr\u00e1 insekticidy mohou m\u00edt negativn\u00ed \u00fa\u010dinky na sv\u011btlu\u0161ky a dal\u0161\u00ed nec\u00edlov\u00fd hmyz.<\/p>\n\n<h3 class=\"wp-block-heading\">V\u00fdznam sv\u011btlu\u0161ek<\/h3>\n\n<p>Sv\u011btlu\u0161ky hraj\u00ed z\u00e1sadn\u00ed roli ve sv\u00fdch ekosyst\u00e9mech. Slou\u017e\u00ed jako zdroj potravy pro pt\u00e1ky, netop\u00fdry a jin\u00e1 zv\u00ed\u0159ata. Tak\u00e9 pom\u00e1haj\u00ed opylovat rostliny.<\/p>\n\n<p>Ztr\u00e1ta sv\u011btlu\u0161ek by m\u011bla dominov\u00fd efekt na cel\u00fd ekosyst\u00e9m, naru\u0161en\u00ed potravn\u00edch \u0159et\u011bzc\u016f a sn\u00ed\u017een\u00ed biologick\u00e9 rozmanitosti.<\/p>\n\n<h3 class=\"wp-block-heading\">Doporu\u010den\u00ed pro ochranu<\/h3>\n\n<p>Abychom ochr\u00e1nili sv\u011btlu\u0161ky a zajistili jejich p\u0159e\u017eit\u00ed, doporu\u010duj\u00ed odborn\u00edci n\u00e1sleduj\u00edc\u00ed opat\u0159en\u00ed:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Identifikace kriticky ohro\u017een\u00fdch druh\u016f sv\u011btlu\u0161ek a stanoven\u00ed priorit pro jejich ochranu<\/li>\n<li>Ochrana a obnova stanovi\u0161\u0165 sv\u011btlu\u0161ek, v\u010detn\u011b mok\u0159ad\u016f, les\u016f a luk<\/li>\n<li>Sn\u00ed\u017een\u00ed um\u011bl\u00e9ho osv\u011btlen\u00ed v noci pomoc\u00ed sv\u011btel s \u010didly pohybu, st\u00edn\u011bn\u00fdch \u017e\u00e1rovek a strategi\u00ed tmav\u00e9 oblohy<\/li>\n<li>Minimalizace pou\u017e\u00edv\u00e1n\u00ed insekticid\u016f pro kosmetick\u00e9 \u00fa\u010dely, zejm\u00e9na na tr\u00e1vn\u00edc\u00edch, zahrad\u00e1ch a v parc\u00edch<\/li>\n<li>Zvy\u0161ov\u00e1n\u00ed pov\u011bdom\u00ed o v\u00fdznamu sv\u011btlu\u0161ek a hrozb\u00e1ch, kter\u00fdm \u010del\u00ed<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h3>\n\n<p>Sv\u011btlu\u0161ky jsou cennou sou\u010d\u00e1st\u00ed na\u0161eho p\u0159\u00edrodn\u00edho sv\u011bta. Jejich okouzluj\u00edc\u00ed z\u00e1\u0159e p\u0159in\u00e1\u0161\u00ed radost lidem v\u0161ech v\u011bkov\u00fdch kategori\u00ed. P\u0159ijet\u00edm opat\u0159en\u00ed k \u0159e\u0161en\u00ed hrozeb, kter\u00fdm \u010del\u00ed, m\u016f\u017eeme ochr\u00e1nit tento ikonick\u00fd hmyz a zajistit, aby i nad\u00e1le rozjas\u0148oval na\u0161e letn\u00ed ve\u010dery po mnoho dal\u0161\u00edch generac\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"<p>Sv\u011btlu\u0161ky v ohro\u017een\u00ed: Ztr\u00e1ta stanovi\u0161\u0165, sv\u011bteln\u00e9 zne\u010di\u0161t\u011bn\u00ed a pesticidy Sv\u011btlu\u0161ky, s jejich okouzluj\u00edc\u00ed bioluminiscen\u010dn\u00ed z\u00e1\u0159\u00ed, jsou obl\u00edben\u00fdm hmyzem, kter\u00fd rozjas\u0148uje na\u0161e letn\u00ed ve\u010dery. Ned\u00e1vn\u00e1 studie v\u0161ak odhaluje, \u017ee tyto fascinuj\u00edc\u00ed&hellip;<\/p>\n","protected":false},"author":4,"featured_media":23854,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[949],"tags":[395,401,11220,2904,2671,583],"class_list":["post-16309","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wildlife","tag-biodiversity","tag-conservation","tag-pesticides","tag-light-pollution","tag-fireflies","tag-habitat-loss"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/16309","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=16309"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/16309\/revisions"}],"predecessor-version":[{"id":16310,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/16309\/revisions\/16310"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media\/23854"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=16309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=16309"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=16309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}