{"id":1566,"date":"2017-03-01T23:09:18","date_gmt":"2017-03-01T22:09:18","guid":{"rendered":"http:\/\/www.insect-communities.cz\/?p=1566"},"modified":"2017-03-01T23:16:48","modified_gmt":"2017-03-01T22:16:48","slug":"new-study-on-competition-in-pollination-systems","status":"publish","type":"post","link":"https:\/\/www.insect-communities.cz\/cz\/new-study-on-competition-in-pollination-systems\/","title":{"rendered":"Nov\u00e1 studie o kompetici v polina\u010dn\u00edch syst\u00e9mech"},"content":{"rendered":"<p><\/p>\n<p style=\"text-align: justify;\">Na\u0161e skupina ji\u017e del\u0161\u00ed dobu spolupracuje na v\u00fdzkumu polina\u010dn\u00edho syst\u00e9mu podrostovky <em>Hypoestes aristata<\/em> v\u00a0kamerunsk\u00fdch hor\u00e1ch Bamenda Highlands. <a href=\"http:\/\/journals.plos.org\/plosone\/article?id=10.1371\/journal.pone.0059299\">Jej\u00edm nej\u010detn\u011bj\u0161\u00edm a nejefektivn\u011bj\u0161\u00edm opylova\u010dem v\u00a0\u0161irok\u00e9m spektru n\u00e1v\u0161t\u011bvn\u00edk\u016f je drvod\u011blka <\/a><em>Xylocopa caffra.<\/em> Kv\u011bty v\u0161ak \u010dasto nav\u0161t\u011bvuje i strdimil severn\u00ed (<em>Cinnyris reichenowi<\/em>), kter\u00fd ov\u0161em nep\u0159isp\u00edv\u00e1 k\u00a0reprodukci nav\u0161t\u011bvovan\u00e9 rostliny a <a href=\"http:\/\/www.bioone.org\/doi\/abs\/10.3377\/004.048.0222\">dokonce z\u00a0jej\u00edch kv\u011bt\u016f odh\u00e1n\u00ed drvod\u011blky<\/a>. Z\u00e1rove\u0148 pije z\u00a0kv\u011bt\u016f nektar, \u010d\u00edm\u017e sni\u017euje jejich atraktivitu pro skute\u010dn\u00e9 hmyz\u00ed opylova\u010de. <a href=\"https:\/\/link.springer.com\/article\/10.1007\/s00442-017-3817-4\">V\u00a0posledn\u00ed studii, pr\u00e1v\u011b vych\u00e1zej\u00edc\u00ed v\u00a0presti\u017en\u00edm \u010dasopise Oecologia<\/a>, porovn\u00e1v\u00e1me denn\u00ed energetick\u00e9 n\u00e1roky obou zmi\u0148ovan\u00fdch \u010dast\u00fdch n\u00e1v\u0161t\u011bvn\u00edk\u016f kv\u011bt\u016f ve vztahu k\u00a0m\u011bn\u00edc\u00edm se hodnot\u00e1m kvality a kvantity dostupn\u00e9ho nektaru v\u00a0pr\u016fb\u011bhu dne. V\u00fdsledky zjednodu\u0161en\u00e9ho modelu ukazuj\u00ed, \u017ee men\u0161\u00ed drvod\u011blka m\u00e1 v\u00a0kompetici v\u00fdraznou p\u0159evahu d\u00edky sv\u00fdm obecn\u011b ni\u017e\u0161\u00edm energetick\u00fdm n\u00e1rok\u016fm. V\u011bt\u0161\u00ed strdimil s\u00a0mnohem vy\u0161\u0161\u00edmi energetick\u00fdmi n\u00e1roky tuto kompeti\u010dn\u00ed p\u0159evahu vyva\u017euje rychlej\u0161\u00edm s\u00e1n\u00edm nektaru, n\u00e1v\u0161t\u011bvou kv\u011bt\u016f v\u00a0dob\u011b, kdy nen\u00ed drvod\u011blka aktivn\u00ed a agresivn\u00ed obranou sv\u00fdch potravn\u00edch zdroj\u016f. Na\u0161e studie je jednou z\u00a0m\u00e1la publikovan\u00fdch prac\u00ed, zab\u00fdvaj\u00edc\u00edch se kompetic\u00ed o potravn\u00ed zdroj mezi fylogeneticky vzd\u00e1len\u00fdmi druhy n\u00e1v\u0161t\u011bvn\u00edk\u016f kv\u011bt\u016f.<\/p>\n<div id=\"attachment_1570\" style=\"width: 2008px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.insect-communities.cz\/wp-content\/uploads\/2017\/03\/xylocopy-caffra.jpg\"><img aria-describedby=\"caption-attachment-1570\" loading=\"lazy\" class=\"wp-image-1570 size-full\" src=\"http:\/\/www.insect-communities.cz\/wp-content\/uploads\/2017\/03\/xylocopy-caffra.jpg\" width=\"1998\" height=\"1115\" srcset=\"https:\/\/www.insect-communities.cz\/wp-content\/uploads\/2017\/03\/xylocopy-caffra.jpg 1998w, https:\/\/www.insect-communities.cz\/wp-content\/uploads\/2017\/03\/xylocopy-caffra-300x167.jpg 300w, https:\/\/www.insect-communities.cz\/wp-content\/uploads\/2017\/03\/xylocopy-caffra-768x429.jpg 768w, https:\/\/www.insect-communities.cz\/wp-content\/uploads\/2017\/03\/xylocopy-caffra-1024x571.jpg 1024w\" sizes=\"(max-width: 1998px) 100vw, 1998px\" \/><\/a><p id=\"caption-attachment-1570\" class=\"wp-caption-text\"><em>Samice (vlevo) a samec drvod\u011blky Xylocopa caffra na kv\u011btech podrostovky Hypoestes aristata (\u00a9 R. Tropek)<\/em><\/p><\/div>\n<p>Citace:\u00a0Pady\u0161\u00e1kov\u00e1 E., Okrouhl\u00edk J., Brown M., Barto\u0161 M., Jane\u010dek \u0160. (in press) <a href=\"https:\/\/link.springer.com\/article\/10.1007\/s00442-017-3817-4\"><strong>Asymmetric competition for nectar between a large nectar thief and a small pollinator: an energetic point of view<\/strong><\/a>. <em>Oecologia<\/em>.<\/p>\n<p style=\"text-align: justify;\">\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Na\u0161e skupina ji\u017e del\u0161\u00ed dobu spolupracuje na v\u00fdzkumu polina\u010dn\u00edho syst\u00e9mu podrostovky Hypoestes aristata v\u00a0kamerunsk\u00fdch hor\u00e1ch Bamenda Highlands. Jej\u00edm nej\u010detn\u011bj\u0161\u00edm a nejefektivn\u011bj\u0161\u00edm opylova\u010dem v\u00a0\u0161irok\u00e9m spektru n\u00e1v\u0161t\u011bvn\u00edk\u016f je drvod\u011blka Xylocopa caffra. Kv\u011bty v\u0161ak \u010dasto nav\u0161t\u011bvuje i strdimil severn\u00ed (Cinnyris reichenowi), kter\u00fd ov\u0161em&hellip; <\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.insect-communities.cz\/cz\/wp-json\/wp\/v2\/posts\/1566"}],"collection":[{"href":"https:\/\/www.insect-communities.cz\/cz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.insect-communities.cz\/cz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.insect-communities.cz\/cz\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.insect-communities.cz\/cz\/wp-json\/wp\/v2\/comments?post=1566"}],"version-history":[{"count":2,"href":"https:\/\/www.insect-communities.cz\/cz\/wp-json\/wp\/v2\/posts\/1566\/revisions"}],"predecessor-version":[{"id":1572,"href":"https:\/\/www.insect-communities.cz\/cz\/wp-json\/wp\/v2\/posts\/1566\/revisions\/1572"}],"wp:attachment":[{"href":"https:\/\/www.insect-communities.cz\/cz\/wp-json\/wp\/v2\/media?parent=1566"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.insect-communities.cz\/cz\/wp-json\/wp\/v2\/categories?post=1566"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.insect-communities.cz\/cz\/wp-json\/wp\/v2\/tags?post=1566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}