{"id":107926,"date":"2026-06-05T06:09:09","date_gmt":"2026-06-05T06:09:09","guid":{"rendered":"https:\/\/www.europesays.com\/cz\/107926\/"},"modified":"2026-06-05T06:09:09","modified_gmt":"2026-06-05T06:09:09","slug":"zelene-lipno-ma-jasnou-pricinu-i-kvuli-lidem-do-nej-proudily-tuny-fosforu","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/cz\/107926\/","title":{"rendered":"Zelen\u00e9 Lipno m\u00e1 jasnou p\u0159\u00ed\u010dinu. I\u00a0kv\u016fli lidem do n\u011bj proudily tuny fosforu"},"content":{"rendered":"

\u201eJiho\u010desk\u00e9 mo\u0159e\u201c, jak se p\u0159ezd\u00edv\u00e1 n\u00e1dr\u017ei Lipno, m\u00e1 probl\u00e9m. M\u00edstn\u00ed obyvatel\u00e9, ale i\u00a0politici a\u00a0v\u011bdci upozor\u0148uj\u00ed na to, \u017ee stav zdej\u0161\u00ed vody se v\u00a0posledn\u00edch letech v\u00fdrazn\u011b zhor\u0161uje. A\u00a0to i\u00a0na pohled. <\/p>\n

P\u0159ed p\u00e1r m\u011bs\u00edci \u010cesko p\u0159ekvapily fotografie<\/a> zachycuj\u00edc\u00ed sinice v\u00a0n\u00e1dr\u017ei pod ledem. V\u00a0t\u011bchto dnech se zase v\u00a0okol\u00ed Lipna \u0159e\u0161\u00ed \u00fahyny ps\u016f<\/a>, se kter\u00fdmi mohou souviset pr\u00e1v\u011b sinice.<\/p>\n

U\u017e l\u00e9ta se tak diskutuje o\u00a0tom, kdo za to m\u016f\u017ee. N\u011bkte\u0159\u00ed m\u00edstn\u00ed a\u00a0ekologi\u010dt\u00ed aktivist\u00e9 ze skupiny Lipensko pro \u017eivot vin\u00ed rozs\u00e1hlou apartm\u00e1novou v\u00fdstavbu a\u00a0odm\u00edtaj\u00ed dal\u0161\u00ed rozvoj. Podle jin\u00fdch k\u00a0tomu ale p\u0159isp\u00edvaj\u00ed sp\u00ed\u0161 chata\u0159i, jejich\u017e \u010d\u00e1st nevyv\u00e1\u017e\u00ed sv\u00e9 j\u00edmky.<\/p>\n

A hlavn\u00ed vin\u00edk je jasn\u00fd. \u201eHlavn\u00edm faktorem je dlouhodob\u00e9 zat\u011b\u017eov\u00e1n\u00ed n\u00e1dr\u017ee vypou\u0161t\u011bn\u00edm odpadn\u00edch vod. Jsou tam i\u00a0dal\u0161\u00ed zdroje fosforu, t\u0159eba ryb\u00e1\u0159i, zem\u011bd\u011blsk\u00e9 hospoda\u0159en\u00ed v\u00a0povod\u00ed,\u201c \u0159ekl Seznam Zpr\u00e1v\u00e1m spoluautor studie Josef Hejzlar z\u00a0Hydrobiologick\u00e9ho \u00fastavu Akademie v\u011bd.<\/p>\n

<\/a>Klima i\u00a0fosfor<\/p>\n

\u201eN\u011bkde se kvalita vody p\u0159\u00edli\u0161 nem\u011bn\u00ed, jinde se zhor\u0161uje velmi. Celkov\u011b ale koncentrace fosforu v\u00a0cel\u00e9m objemu n\u00e1dr\u017ee dlouhodob\u011b nar\u016fst\u00e1. Od za\u010d\u00e1tku mil\u00e9nia je tam patrn\u00fd trend,\u201c uvedl k\u00a0v\u00fdsledk\u016fm studie Hejzlar.<\/p>\n

V\u011bdci potvrdili, \u017ee sinic v\u00a0posledn\u00edch dvou dek\u00e1d\u00e1ch v\u00a0n\u00e1dr\u017ei z\u00e1sadn\u011b p\u0159ibylo. K\u00a0tomu p\u0159isp\u00edv\u00e1 mimo jin\u00e9 klimatick\u00e1 zm\u011bna, kter\u00e1 vodu otepluje a\u00a0vytv\u00e1\u0159\u00ed tak lep\u0161\u00ed podm\u00ednky pro rozvoj t\u011bchto bakteri\u00ed. Plat\u00ed, \u017ee v\u00a0such\u00fdch letech je situace hor\u0161\u00ed a\u00a0naopak. <\/p>\n

Z\u00e1sadn\u00ed pro rozvoj sinic je ale zv\u00fd\u0161en\u00e1 p\u0159\u00edtomnost fosforu ve vod\u011b. Do n\u00e1dr\u017ee se jej mezi lety 2019\u00a0a\u017e\u00a02024\u00a0dost\u00e1valo ro\u010dn\u011b zhruba 22,3\u00a0tuny. Za 70\u00a0procenty tohoto mno\u017estv\u00ed stoj\u00ed p\u0159irozen\u00e9 procesy, jako je rozklad rostlin nebo eroze p\u016fdy, t\u00e9m\u011b\u0159 t\u0159etinu pak tvo\u0159\u00ed \u010dinnost \u010dlov\u011bka. <\/p>\n

Foto: Vodohospod\u00e1\u0159sk\u00fd rozvoj a v\u00fdstavba a.s.<\/p>\n

Zastoupen\u00ed zdroj\u016f zne\u010di\u0161t\u011bn\u00ed Lipna fosforem.<\/p>\n

To, \u017ee nejv\u011bt\u0161\u00ed \u010d\u00e1st \u201ekol\u00e1\u010de\u201c tvo\u0159\u00ed p\u0159\u00edrodn\u00ed fosfor, kter\u00fd \u010dlov\u011bk neovliv\u0148uje, zd\u016fraznil ve sv\u00e9m videu na soci\u00e1ln\u00edch s\u00edt\u00edch i\u00a0jiho\u010desk\u00fd hejtman Martin Kuba (Na\u0161e \u010cesko). <\/p>\n

Hejzlar ale zd\u016fraz\u0148uje, \u017ee to neznamen\u00e1, \u017ee by za zne\u010di\u0161t\u011bn\u00ed mohlo pr\u00e1v\u011b uvol\u0148ov\u00e1n\u00ed fosforu z\u00a0p\u0159\u00edrody, nap\u0159\u00edklad z\u00a0ra\u0161elini\u0161\u0165, jak se v\u00a0posledn\u00edch dnech objevilo v\u00a0titulc\u00edch n\u011bkter\u00fdch m\u00e9di\u00ed<\/a>. <\/p>\n

\u201eNic takov\u00e9ho ve studii naps\u00e1no nen\u00ed. Nen\u00ed pravda, \u017ee p\u0159\u00edrodn\u00ed stav jako takov\u00fd je p\u0159\u00ed\u010dinou, kter\u00e1 zp\u016fsobuje \u0161patn\u00fd ekologick\u00fd stav,\u201c \u0159\u00edk\u00e1 Hejzlar. Dod\u00e1v\u00e1, \u017ee pokud by se do n\u00e1dr\u017ee nedost\u00e1val dal\u0161\u00ed fosfor aktivitou \u010dlov\u011bka, sinice by se na n\u00ed v\u00a0takto objemn\u00e9m mno\u017estv\u00ed neobjevovaly.<\/p>\n

\u010cist\u00edrny, j\u00edmky, ryb\u00e1\u0159i<\/p>\n

Za dev\u00edti procenty fosforu stoj\u00ed\u00a0vypou\u0161t\u011bn\u00ed z\u00a0centr\u00e1ln\u00edch \u010dist\u00edren odpadn\u00edch vod v\u00a0cel\u00e9m povod\u00ed. \u201eKa\u017ed\u00e9 v\u011bt\u0161\u00ed m\u011bsto m\u00e1 svou \u010disti\u010dku odpadn\u00edch vod. Ta je koncipov\u00e1na tak, \u017ee tu vodu vy\u010dist\u00ed, zadr\u017e\u00ed velkou \u010d\u00e1st toho fosforu, ale ne \u00fapln\u011b v\u0161echen. \u010c\u00e1st z\u00a0n\u00ed odt\u00e9k\u00e1 do povod\u00ed, kter\u00e9 pak p\u0159ite\u010de do toho Lipna. To je t\u0159eba p\u0159\u00edklad Volar,\u201c \u0159ekl k\u00a0tomu hejtman Kuba ve videu. Dodal, \u017ee m\u011bsta striktn\u011b dodr\u017euj\u00ed z\u00e1konn\u00e1 pravidla. <\/p>\n

To Hejzlar nerozporuje, zd\u016fraz\u0148uje ale, \u017ee zvl\u00e1\u0161t\u011b pro men\u0161\u00ed m\u011bsta a\u00a0obce v\u00a0sou\u010dasnosti p\u0159edpisy vypou\u0161t\u011bn\u00ed fosforu p\u0159\u00edli\u0161 nezohled\u0148uj\u00ed. V\u011bdec upozor\u0148uje tak\u00e9 na to, \u017ee v\u00a0dob\u011b, kdy hodn\u011b pr\u0161\u00ed, vypou\u0161t\u00ed \u010dist\u00edrny do vody fosforu v\u00edce, proto\u017ee se pot\u0159ebuj\u00ed vyrovnat s\u00a0n\u00e1porem de\u0161\u0165ov\u00e9 vody. Dle v\u011bdc\u016f se tento proces pod\u00edl\u00ed na hodnot\u00e1ch fosforu ze dvou procent. <\/p>\n

Sedm procent se pak p\u0159isuzuje domovn\u00edm \u010dist\u00edrn\u00e1m a\u00a0difuzn\u00edm zdroj\u016fm, mezi kter\u00e9 v\u00fdzkumn\u00edci po\u010d\u00edtaj\u00ed t\u0159eba chatov\u00e9 oblasti bez p\u0159ipojen\u00ed na kanalizaci. I\u00a0proto podle v\u011bdc\u016f nelze jejich dopad p\u0159esn\u011b m\u011b\u0159it.<\/p>\n

\u201eP\u0159\u00edsun fosforu z\u00a0t\u011bchto zdroj\u016f je na z\u00e1klad\u011b ve zpr\u00e1v\u011b popsan\u00e9 metodiky odhadnut na 692\u00a0kg za rok, p\u0159i\u010dem\u017e nejv\u011bt\u0161\u00ed \u010d\u00e1st poch\u00e1z\u00ed z\u00a0objekt\u016f v\u00a0bezprost\u0159edn\u00ed bl\u00edzkosti n\u00e1dr\u017ee. Lze pouze konstatovat, \u017ee v\u011bt\u0161ina z\u00a0nich neodstra\u0148uje odpadn\u00ed vody v\u00a0souladu s\u00a0p\u0159edpisy,\u201c p\u00ed\u0161\u00ed ve studii.<\/p>\n

Nejde ale jen o\u00a0lidsk\u00fd odpad. Osmiprocentn\u00ed pod\u00edl v\u00fdzkumn\u00edci p\u0159isoudili chovu dobytka a\u00a0t\u0159i procenta sportovn\u00edmu rybolovu. \u201eRyb\u00e1\u0159i tam vn\u00e1\u0161\u00ed fosfor nap\u0159\u00edklad t\u00edm, \u017ee d\u00e1vaj\u00ed v\u011bt\u0161\u00ed n\u00e1sadu, ne\u017e vylov\u00ed ryb. Nen\u00ed to nejd\u016fle\u017eit\u011bj\u0161\u00ed, to jsou opravdu odpadn\u00ed vody, ale je to tak\u00e9 zdroj, se kter\u00fdm by se m\u011blo n\u011bco d\u011blat,\u201c komentuje Hejzlar.<\/p>\n

<\/a><\/p>\n

U chovu dobytka auto\u0159i studie upozor\u0148uj\u00ed, \u017ee v\u00fdsledn\u00e9 \u010d\u00edslo je sice p\u0159ekvapiv\u011b vysok\u00e9, je ale t\u0159eba jej br\u00e1t jako neov\u011b\u0159en\u00e9. \u201eProdukce \u017eivin dobytkem v\u00a0povod\u00ed vodn\u00ed n\u00e1dr\u017ee Lipno je prokazateln\u011b vysok\u00e1, nejistoty panuj\u00ed na stran\u011b p\u0159enosu \u017eivin z\u00a0pastviny do vodn\u00edho prost\u0159ed\u00ed,\u201c stoj\u00ed ve studii.<\/p>\n

Hejzlar dod\u00e1v\u00e1, \u017ee je\u0161t\u011b v\u00fdrazn\u011bji se pak \u010dlov\u011bk pod\u00edl\u00ed na p\u0159\u00edtomnosti takzvan\u00e9ho fosfore\u010dnanov\u00e9ho fosforu, kter\u00fd m\u00e1 na rozvoji sinic z\u00e1sadn\u00ed pod\u00edl. Ten tvo\u0159\u00ed p\u0159irozen\u00e9 pozad\u00ed jen ze\u00a049\u00a0procent, zbytek je pak spojen s\u00a0\u010dinnost\u00ed \u010dlov\u011bka.<\/p>\n

Hejtman Kuba tak\u00e9 zm\u00ednil, \u017ee se podle n\u011bj dost\u00e1v\u00e1 do Lipna v\u00edce fosforu ne\u017e v\u00a0minulosti p\u0159\u00edrodn\u00ed cestou\u00a0\u2013 a\u00a0to kv\u016fli tomu, \u017ee se v\u00a0minul\u00e9m stolet\u00ed vlivem kysel\u00fdch de\u0161\u0165\u016f tak snadno neodplavoval z\u00a0p\u016fdy. \u201eNen\u00ed to \u00fapln\u011b p\u0159esn\u00fd popis situace,\u201c upozor\u0148uje Hejzlar. \u201eM\u016f\u017ee to b\u00fdt p\u0159\u00edpad t\u0159eba \u0158\u00edmova, na Lipn\u011b se ale nic takov\u00e9ho neprok\u00e1zalo,\u201c \u0159ekl k\u00a0tomu.<\/p>\n

Apartm\u00e1ny to zhor\u0161\u00ed, varuje v\u011bdec<\/p>\n

Na analytickou \u010d\u00e1st studie by m\u011bla nav\u00e1zat n\u00e1vrhov\u00e1 \u010d\u00e1st, kter\u00e1 nazna\u010d\u00ed mo\u017en\u00e9 \u0159e\u0161en\u00ed probl\u00e9mu. V\u011bdci i\u00a0veden\u00ed kraje u\u017e nyn\u00ed nazna\u010duj\u00ed, jak by mohlo vypadat. Hejtman Kuba hovo\u0159il t\u0159eba o\u00a0mo\u017enosti pozm\u011bnit syst\u00e9m kanalizace a\u00a0\u010dist\u00edren tak, aby voda z\u00a0nich netekla do Lipna, ale mimo n\u011bj.<\/p>\n

\u201eTo je projekt, kter\u00fd se nyn\u00ed u\u017e p\u0159ipravuje mezi Frymburkem a\u00a0Lipnem, kdy by se t\u0159eba sv\u00e1d\u011bla voda z\u00a0Frymburku u\u017e do lipensk\u00e9 \u010disti\u010dky odpadn\u00edch vod a\u00a0z n\u00ed by se vyv\u00e1d\u011bla do povod\u00ed pod n\u00ed,\u201c popsal hejtman. Dodal ale, \u017ee jak\u00e9koli \u0159e\u0161en\u00ed bude st\u00e1t stovky milion\u016f i\u00a0p\u0159es miliardu.<\/p>\n

V\u011bdci mezit\u00edm upozor\u0148uj\u00ed, \u017ee situace se m\u016f\u017ee v\u00a0bl\u00edzk\u00e9 budoucnosti je\u0161t\u011b zhor\u0161ovat. Objem fosforu v\u00a0n\u00e1dr\u017ei m\u016f\u017ee je\u0161t\u011b zv\u00fd\u0161it t\u0159eba pl\u00e1novan\u00e1 apartm\u00e1nov\u00e1 v\u00fdstavba. V\u00a0p\u0159\u00ed\u0161t\u00edch letech by podle pl\u00e1n\u016f mohlo p\u0159ib\u00fdt a\u017e 20\u00a0tis\u00edc nov\u00fdch l\u016f\u017eek, nap\u0159\u00edklad v\u00a0okol\u00ed \u010cern\u00e9 v\u00a0Po\u0161umav\u00ed, Horn\u00ed Plan\u00e9 nebo Frymburku.<\/p>\n

\u201eTyto apartm\u00e1nov\u00e9 nov\u00e9 komplexy by zvedly ro\u010dn\u00ed vstup fosforu v\u00a0odpadn\u00edch vod\u00e1ch o\u00a0jednu a\u017e dv\u011b tuny i\u00a0p\u0159i v\u0161ech \u010distic\u00edch opat\u0159en\u00edch, kter\u00e1 slibuj\u00ed,\u201c uvedl Hejzlar.<\/p>\n","protected":false},"excerpt":{"rendered":"\u201eJiho\u010desk\u00e9 mo\u0159e\u201c, jak se p\u0159ezd\u00edv\u00e1 n\u00e1dr\u017ei Lipno, m\u00e1 probl\u00e9m. M\u00edstn\u00ed obyvatel\u00e9, ale i\u00a0politici a\u00a0v\u011bdci upozor\u0148uj\u00ed na to, \u017ee…\n","protected":false},"author":2,"featured_media":107927,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[10],"tags":[17,21,7782,16,7784,18,19,22,1444,20],"class_list":["post-107926","post","type-post","status-publish","format-standard","has-post-thumbnail","category-zpravy","tag-headlines","tag-hlavni-udalosti","tag-lipno","tag-news","tag-sinice","tag-top-news","tag-top-stories","tag-udalosti-dne","tag-zivotni-prostredi","tag-zpravy"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@cz\/116696014022414052","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/107926","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/comments?post=107926"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/107926\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media\/107927"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media?parent=107926"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/categories?post=107926"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/tags?post=107926"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}