{"id":4520,"date":"2020-08-11T03:15:12","date_gmt":"2020-08-11T03:15:12","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=4520"},"modified":"2020-08-11T03:15:12","modified_gmt":"2020-08-11T03:15:12","slug":"oregon-chub-recovery-endangered-species-delisting","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/conservation-biology\/oregon-chub-recovery-endangered-species-delisting\/","title":{"rendered":"Oregonsk\u00fd st\u0159evle\u010dek: Od pokraje vyhynut\u00ed k zotaven\u00ed"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Oregon Chub: Od t\u00e9m\u011b\u0159 vyhynut\u00ed k zotaven\u00ed<\/h2>\n\n<h2 class=\"wp-block-heading\">Ztr\u00e1ta stanovi\u0161t\u011b a \u00fapadek<\/h2>\n\n<p>Na po\u010d\u00e1tku 90. let 20. stolet\u00ed \u010delil oregonsk\u00fd st\u0159evle\u010dek hroziv\u00e9 situaci. Jeho stanovi\u0161t\u011b v mrtv\u00fdch ramenech \u0159eky Willamette v Oregonu bylo vysu\u0161eno kv\u016fli protipovod\u0148ov\u00fdm opat\u0159en\u00edm a zem\u011bd\u011blsk\u00fdm \u00fa\u010del\u016fm, co\u017e sn\u00ed\u017eilo jeho populaci na pouh\u00fdch 1000 jedinc\u016f. Invazivn\u00ed druhy d\u00e1le zhor\u0161ily \u00fabytek st\u0159evl\u00ed\u010dk\u016f, proto\u017ee lovili zb\u00fdvaj\u00edc\u00ed ryby. Omezen\u00fd na n\u011bkolik izolovan\u00fdch potok\u016f se oregonsk\u00fd st\u0159evle\u010dek zd\u00e1l b\u00fdt odsouzen k vyhynut\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">Ochran\u00e1\u0159sk\u00e9 \u00fasil\u00ed a zotaven\u00ed populace<\/h2>\n\n<p>Agentury pro ochranu divok\u00e9 zv\u011b\u0159e a ochran\u00e1\u0159sk\u00e9 organizace si uv\u011bdomily kritickou pot\u0159ebu ochrany a zavedly komplexn\u00ed pl\u00e1n obnovy. \u00dasil\u00ed se zam\u011b\u0159ilo na obnoven\u00ed a ochranu stanovi\u0161t\u011b st\u0159evl\u00ed\u010dka, v\u010detn\u011b op\u011btovn\u00e9ho propojen\u00ed oblast\u00ed mrtv\u00fdch ramen a zlep\u0161en\u00ed kvality vody. Invazivn\u00ed druhy byly kontrolov\u00e1ny a \u0159\u00edzeny tak, aby se minimalizoval jejich dopad na populaci ryb.<\/p>\n\n<h2 class=\"wp-block-heading\">P\u0159\u00edb\u011bh \u00fasp\u011bchu: Prvn\u00ed druh ryb vy\u0159azen\u00fd ze seznamu ohro\u017een\u00fdch druh\u016f<\/h2>\n\n<p>D\u00edky tomuto vytrval\u00e9mu \u00fasil\u00ed o ochranu se oregonsk\u00fd st\u0159evle\u010dek pozoruhodn\u011b vzpamatoval. Populace se vzpamatovaly na v\u00edce ne\u017e 150 000 a ryby nyn\u00ed prosperuj\u00ed ve sv\u00e9m obnoven\u00e9m stanovi\u0161ti. V roce 2014 navrhla americk\u00e1 Fish and Wildlife Service vy\u0159adit oregonsk\u00e9ho st\u0159evl\u00ed\u010dka ze seznamu ohro\u017een\u00fdch druh\u016f, co\u017e je historick\u00fd miln\u00edk pro ochranu p\u0159\u00edrody. Pokud bude n\u00e1vrh schv\u00e1len, stane se oregonsk\u00fd st\u0159evle\u010dek prvn\u00edm druhem ryb ve Spojen\u00fdch st\u00e1tech, kter\u00fd byl \u00fasp\u011b\u0161n\u011b obnoven a vy\u0159azen ze seznamu.<\/p>\n\n<h2 class=\"wp-block-heading\">Faktory p\u0159isp\u00edvaj\u00edc\u00ed k zotaven\u00ed<\/h2>\n\n<p>P\u0159i zotaven\u00ed oregonsk\u00e9ho st\u0159evl\u00ed\u010dka sehr\u00e1lo z\u00e1sadn\u00ed \u00falohu n\u011bkolik faktor\u016f:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Obnova stanovi\u0161t\u011b:<\/strong> Op\u011btovn\u00e9 propojen\u00ed mrtv\u00fdch ramen a zlep\u0161en\u00ed kvality vody poskytly st\u0159evl\u00ed\u010dkovi nezbytn\u00e1 m\u00edsta pro t\u0159en\u00ed a rozmno\u017eov\u00e1n\u00ed.<\/li>\n<li><strong>Kontrola invazivn\u00edch druh\u016f:<\/strong> \u0158\u00edzen\u00ed invazivn\u00edch pred\u00e1tor\u016f a konkurent\u016f umo\u017enilo stabilizovat a r\u016fst populace st\u0159evl\u00ed\u010dk\u016f.<\/li>\n<li><strong>Ochran\u00e1\u0159sk\u00e1 partnerstv\u00ed:<\/strong> Spolupr\u00e1ce mezi vl\u00e1dn\u00edmi agenturami, neziskov\u00fdmi organizacemi a soukrom\u00fdmi vlastn\u00edky p\u016fdy zajistila komplexn\u00ed a koordinovan\u00fd p\u0159\u00edstup k ochran\u00e1\u0159sk\u00fdm snah\u00e1m.<\/li>\n<li><strong>Adaptivn\u00ed \u0159\u00edzen\u00ed:<\/strong> V\u011bdci a ochr\u00e1nci p\u0159\u00edrody pe\u010dliv\u011b sledovali pokrok st\u0159evl\u00ed\u010dka a podle pot\u0159eby upravovali strategie \u0159\u00edzen\u00ed, aby optimalizovali z\u00e1chrann\u00e9 \u00fasil\u00ed.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">D\u016fsledky pro ochranu p\u0159\u00edrody<\/h2>\n\n<p>Obnova oregonsk\u00e9ho st\u0159evl\u00ed\u010dka slou\u017e\u00ed jako inspirativn\u00ed p\u0159\u00edklad s\u00edly ochrany p\u0159\u00edrody. Ukazuje, \u017ee i druhy \u010del\u00edc\u00ed v\u00e1\u017en\u00e9mu \u00fabytku lze p\u0159iv\u00e9st zp\u011bt z pokraje vyhynut\u00ed prost\u0159ednictv\u00edm odhodlan\u00e9ho \u00fasil\u00ed a efektivn\u00edho \u0159\u00edzen\u00ed. P\u0159\u00edb\u011bh \u00fasp\u011bchu tak\u00e9 zd\u016fraz\u0148uje v\u00fdznam:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Ochrany a obnovy kritick\u00fdch stanovi\u0161\u0165<\/li>\n<li>Kontroly invazivn\u00edch druh\u016f<\/li>\n<li>Vytv\u00e1\u0159en\u00ed ochran\u00e1\u0159sk\u00fdch partnerstv\u00ed<\/li>\n<li>Implementace strategi\u00ed adaptivn\u00edho \u0159\u00edzen\u00ed<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Pokra\u010duj\u00edc\u00ed pot\u0159eba ochrany<\/h2>\n\n<p>P\u0159esto\u017ee oregonsk\u00fd st\u0159evle\u010dek dos\u00e1hl v\u00fdznamn\u00e9ho pokroku, jeho zotaven\u00ed je prob\u00edhaj\u00edc\u00ed proces. K zaji\u0161t\u011bn\u00ed dlouhodob\u00e9 stability populace je nezbytn\u00e9 pokra\u010dovat v ochran\u00e1\u0159sk\u00e9m \u00fasil\u00ed. Toto \u00fasil\u00ed zahrnuje:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Monitorov\u00e1n\u00ed popula\u010dn\u00edch trend\u016f a podm\u00ednek stanovi\u0161t\u011b<\/li>\n<li>Pokra\u010dov\u00e1n\u00ed v kontrole invazivn\u00edch druh\u016f<\/li>\n<li>Ochranu a obnovu dal\u0161\u00edch oblast\u00ed stanovi\u0161t\u011b<\/li>\n<li>Zapojen\u00ed ve\u0159ejnosti do osv\u011bty a vzd\u011bl\u00e1v\u00e1n\u00ed s c\u00edlem podpo\u0159it pov\u011bdom\u00ed a podporu ochrany p\u0159\u00edrody<\/li>\n<\/ul>\n\n<p>\u0158e\u0161en\u00edm t\u011bchto pokra\u010duj\u00edc\u00edch pot\u0159eb m\u016f\u017eeme pomoci zajistit sv\u011btlou budoucnost pro oregonsk\u00e9ho st\u0159evl\u00ed\u010dka a dal\u0161\u00ed ohro\u017een\u00e9 druhy \u010del\u00edc\u00ed podobn\u00fdm v\u00fdzv\u00e1m.<\/p>","protected":false},"excerpt":{"rendered":"<p>Oregon Chub: Od t\u00e9m\u011b\u0159 vyhynut\u00ed k zotaven\u00ed Ztr\u00e1ta stanovi\u0161t\u011b a \u00fapadek Na po\u010d\u00e1tku 90. let 20. stolet\u00ed \u010delil oregonsk\u00fd st\u0159evle\u010dek hroziv\u00e9 situaci. Jeho stanovi\u0161t\u011b v mrtv\u00fdch ramenech \u0159eky Willamette v&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4170],"tags":[8201,404,8200,5642,8202],"class_list":["post-4520","post","type-post","status-publish","format-standard","hentry","category-conservation-biology","tag-delisting","tag-endangered-species","tag-oregon-chub","tag-conservation-success","tag-wildlife-recovery"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/4520","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=4520"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/4520\/revisions"}],"predecessor-version":[{"id":4521,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/4520\/revisions\/4521"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=4520"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=4520"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=4520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}