"Through the evaluation of a detailed experimental description of the population biology of Gentianella praecox subsp. bohemica on four localities from the centre of the species area, we were able: (i) to examine the effects of different management regimes on the survival of the biennial G. praecox subsp. bohemica; (ii) to determine factors influencing the individual phases of the plant's life cycle; (iii) to quantify the size and germination of the plant's seed bank; (iv) to suggest appropriate management for the localities with G. praecox subsp. bohemica. Populations of G. praecox subsp. bohemica clearly show the best viability at the experimental sites managed by the combination of grass mowing and disturbance of vegetation by raking, lower viability at the sites managed by grass mowing only, and the worst viability on the control sites without any management. Seedling emergence is proven to be the phase of the plant's life cycle most affected by the type of management. The first summer period of the biennial plant's life cycle, the seedlings at the experimental sites managed by mowing survive best; plants at sites managed by mowing and disturbances slightly worse and those on the control sites show the worst survival rate. This trend could be affected by extreme conditions like the 2003 droughts in our case. There is evidence of a long-lasting viable seed bank of G. praecox subsp. bohemica. Each year, the amount of viable seeds buried in the seed bank dropped by one half, however, we proved that the seeds are able to emerge even after eight years. Under optimal conditions (experimental site 15 x 15 cm, grass mowed and vegetation disturbed by raking before sowing) the mean number of seeds emerging during the first year is around 15.7%. Among the rest of the seeds remaining in the seed bank, around 1.6% emerge over the next three years."@en . "25"^^ . "Vliv obhospoda\u0159ov\u00E1n\u00ED na \u017Eivotn\u00ED cyklus ho\u0159e\u010Dku mnohotvar\u00E9ho \u010Desk\u00E9ho (Gentianella praecox subsp. bohemica)" . . "S" . "Effect of management on life cycle of Gentianella praecox subsp. bohemica"@en . . "Brabec, Ji\u0159\u00ED" . "11310" . . "Effect of management on life cycle of Gentianella praecox subsp. bohemica"@en . . "1211-3603" . "Vliv obhospoda\u0159ov\u00E1n\u00ED na \u017Eivotn\u00ED cyklus ho\u0159e\u010Dku mnohotvar\u00E9ho \u010Desk\u00E9ho (Gentianella praecox subsp. bohemica)"@cs . . . "Vliv obhospoda\u0159ov\u00E1n\u00ED na \u017Eivotn\u00ED cyklus ho\u0159e\u010Dku mnohotvar\u00E9ho \u010Desk\u00E9ho (Gentianella praecox subsp. bohemica)" . . . . "31" . "Vyhodnocen\u00ED podrobn\u00E9ho experiment\u00E1ln\u00EDho popisu popula\u010Dn\u00ED biologie ho\u0159e\u010Dku mnohotvar\u00E9ho \u010Desk\u00E9ho (Gentianella praecox subsp. bohemica) na \u010Dty\u0159ech lokalit\u00E1ch v centru are\u00E1lu taxonu umo\u017Enilo (a) stanovit vliv r\u016Fzn\u00FDch typ\u016F obhospoda\u0159ov\u00E1n\u00ED na p\u0159e\u017E\u00EDv\u00E1n\u00ED t\u011Bchto dvoulet\u00FDch rostlin, (b) ur\u010Dit faktory ovliv\u0148uj\u00EDc\u00ED jednotliv\u00E9 f\u00E1ze \u017Eivotn\u00EDho cyklu, (c) kvantifikovat velikost a kl\u00ED\u010Divost semenn\u00E9 banky a (d) stanovit doporu\u010Den\u00ED pro dal\u0161\u00ED obhospoda\u0159ov\u00E1n\u00ED lokalit. Populace ho\u0159e\u010Dk\u016F jednozna\u010Dn\u011B nejl\u00E9pe p\u0159e\u017E\u00EDvaj\u00ED na ploch\u00E1ch obhospoda\u0159ovan\u00FDch se\u010D\u00ED spojenou s n\u00E1slednou disturbanc\u00ED z\u00E1poje vegetace, o n\u011Bco h\u016F\u0159e v ploch\u00E1ch pouze se\u010Den\u00FDch a nejh\u016F\u0159e v neobhospoda\u0159ovan\u00FDch kontroln\u00EDch ploch\u00E1ch. F\u00E1z\u00ED \u017Eivotn\u00EDho cyklu, kter\u00E1 tyto rozd\u00EDly zp\u016Fsobuje, je prokazateln\u011B vzch\u00E1zen\u00ED. Prvn\u00ED letn\u00ED obdob\u00ED dvoulet\u00E9ho \u017Eivotn\u00EDho cyklu p\u0159e\u017E\u00EDvaj\u00ED nejl\u00E9pe semen\u00E1\u010Dky v se\u010Den\u00FDch ploch\u00E1ch, o n\u011Bco h\u016F\u0159e v se\u010Den\u00FDch s disturbanc\u00ED a nejh\u016F\u0159e v kontroln\u00EDch. Tento m\u00EDrn\u00FD trend v\u0161ak naru\u0161uj\u00ED n\u00E1sledky extr\u00E9mn\u00EDch ud\u00E1lost\u00ED, v na\u0161em p\u0159\u00EDpad\u011B sucha v roce 2003. Experiment\u00E1ln\u011B byla u G. praecox subsp. bohemica prok\u00E1z\u00E1na dlouhodob\u011B p\u0159etrv\u00E1vaj\u00EDc\u00ED semenn\u00E1 banka. Po\u010Det zachoval\u00FDch semen v poh\u0159ben\u00E9 semenn\u00E9 bance kles\u00E1 ka\u017Edoro\u010Dn\u011B zhruba na polovinu p\u0159edchoz\u00EDho roku, nicm\u00E9n\u011B je\u0161t\u011B po osmi letech se poda\u0159ilo prok\u00E1zat kl\u00ED\u010Den\u00ED. Za optim\u00E1ln\u00EDch podm\u00EDnek na lokalit\u011B (experiment\u00E1ln\u00ED plo\u0161ka 15 x 15 cm o\u0161et\u0159en\u00E1 se\u010D\u00ED a disturbanc\u00ED p\u0159ed vyset\u00EDm semen) kl\u00ED\u010D\u00ED v n\u00E1sleduj\u00EDc\u00EDm roce pr\u016Fm\u011Brn\u011B ca 15,7 % semen. Ze semen, kter\u00E1 prvn\u00ED rok nevzejdou, vykl\u00ED\u010D\u00ED n\u00E1sleduj\u00EDc\u00ED t\u0159i roky (tj. ze semenn\u00E9 banky) ca 1,6 % semen."@cs . "Vliv obhospoda\u0159ov\u00E1n\u00ED na \u017Eivotn\u00ED cyklus ho\u0159e\u010Dku mnohotvar\u00E9ho \u010Desk\u00E9ho (Gentianella praecox subsp. bohemica)"@cs . . "\u0160tef\u00E1nek, Michal" . "seedbank; population biology; grassland management; critical phases of the life cycle; conservation action plan; biennial"@en . "Vyhodnocen\u00ED podrobn\u00E9ho experiment\u00E1ln\u00EDho popisu popula\u010Dn\u00ED biologie ho\u0159e\u010Dku mnohotvar\u00E9ho \u010Desk\u00E9ho (Gentianella praecox subsp. bohemica) na \u010Dty\u0159ech lokalit\u00E1ch v centru are\u00E1lu taxonu umo\u017Enilo (a) stanovit vliv r\u016Fzn\u00FDch typ\u016F obhospoda\u0159ov\u00E1n\u00ED na p\u0159e\u017E\u00EDv\u00E1n\u00ED t\u011Bchto dvoulet\u00FDch rostlin, (b) ur\u010Dit faktory ovliv\u0148uj\u00EDc\u00ED jednotliv\u00E9 f\u00E1ze \u017Eivotn\u00EDho cyklu, (c) kvantifikovat velikost a kl\u00ED\u010Divost semenn\u00E9 banky a (d) stanovit doporu\u010Den\u00ED pro dal\u0161\u00ED obhospoda\u0159ov\u00E1n\u00ED lokalit. Populace ho\u0159e\u010Dk\u016F jednozna\u010Dn\u011B nejl\u00E9pe p\u0159e\u017E\u00EDvaj\u00ED na ploch\u00E1ch obhospoda\u0159ovan\u00FDch se\u010D\u00ED spojenou s n\u00E1slednou disturbanc\u00ED z\u00E1poje vegetace, o n\u011Bco h\u016F\u0159e v ploch\u00E1ch pouze se\u010Den\u00FDch a nejh\u016F\u0159e v neobhospoda\u0159ovan\u00FDch kontroln\u00EDch ploch\u00E1ch. F\u00E1z\u00ED \u017Eivotn\u00EDho cyklu, kter\u00E1 tyto rozd\u00EDly zp\u016Fsobuje, je prokazateln\u011B vzch\u00E1zen\u00ED. Prvn\u00ED letn\u00ED obdob\u00ED dvoulet\u00E9ho \u017Eivotn\u00EDho cyklu p\u0159e\u017E\u00EDvaj\u00ED nejl\u00E9pe semen\u00E1\u010Dky v se\u010Den\u00FDch ploch\u00E1ch, o n\u011Bco h\u016F\u0159e v se\u010Den\u00FDch s disturbanc\u00ED a nejh\u016F\u0159e v kontroln\u00EDch. Tento m\u00EDrn\u00FD trend v\u0161ak naru\u0161uj\u00ED n\u00E1sledky extr\u00E9mn\u00EDch ud\u00E1lost\u00ED, v na\u0161em p\u0159\u00EDpad\u011B sucha v roce 2003. Experiment\u00E1ln\u011B byla u G. praecox subsp. bohemica prok\u00E1z\u00E1na dlouhodob\u011B p\u0159etrv\u00E1vaj\u00EDc\u00ED semenn\u00E1 banka. Po\u010Det zachoval\u00FDch semen v poh\u0159ben\u00E9 semenn\u00E9 bance kles\u00E1 ka\u017Edoro\u010Dn\u011B zhruba na polovinu p\u0159edchoz\u00EDho roku, nicm\u00E9n\u011B je\u0161t\u011B po osmi letech se poda\u0159ilo prok\u00E1zat kl\u00ED\u010Den\u00ED. Za optim\u00E1ln\u00EDch podm\u00EDnek na lokalit\u011B (experiment\u00E1ln\u00ED plo\u0161ka 15 x 15 cm o\u0161et\u0159en\u00E1 se\u010D\u00ED a disturbanc\u00ED p\u0159ed vyset\u00EDm semen) kl\u00ED\u010D\u00ED v n\u00E1sleduj\u00EDc\u00EDm roce pr\u016Fm\u011Brn\u011B ca 15,7 % semen. Ze semen, kter\u00E1 prvn\u00ED rok nevzejdou, vykl\u00ED\u010D\u00ED n\u00E1sleduj\u00EDc\u00ED t\u0159i roky (tj. ze semenn\u00E9 banky) ca 1,6 % semen." . "CZ - \u010Cesk\u00E1 republika" . "3"^^ . . . "238971" . . "[2DE48FDC9598]" . "RIV/00216208:11310/11:10107694!RIV12-MSM-11310___" . . . "Bucharov\u00E1, Anna" . . "2011" . "P\u0159\u00EDroda. Sborn\u00EDk prac\u00ED z ochrany p\u0159\u00EDrody" . "RIV/00216208:11310/11:10107694" . "1"^^ . . .