. . "3"^^ . . . . . . . "Gephyrocapsa oceanica"@cs . . . . . . . . "230"^^ . "Gephyrocapsa oceanica"@cs . "Gephyrocapsa oceanica"@cs . . . . . . . . . "Gephyrocapsa oceanica"@cs . . . . . . . "1247212"^^ . "4034"^^ . "Gephyrocapsa oceanica"@cs . . . . "Kamptner, 1943"@cs . . "Gephyrocapsa oceanica color.jpg"@cs . "Gephyrocapsa oceanica je druh pat\u0159\u00EDc\u00ED mezi kokolitky (Coccolithophyceae). Jedn\u00E1 se o typov\u00FD druh \u0159as rodu Gephyrocapsa, kter\u00FD se pro vysokou citlivost na zm\u011Bny prost\u0159ed\u00ED a v\u00FDskyt v sedimentech stal d\u016Fle\u017Eit\u00FDm pleistoc\u00E9nn\u00EDm biostratigrafick\u00FDm indik\u00E1torem vyu\u017E\u00EDvan\u00FDm v paleoklimatologii a stratigrafii.Na vn\u011Bj\u0161\u00EDm povrchu cytoplazmatick\u00E9 membr\u00E1ny se usazuj\u00ED krystaly zv\u00E1penat\u011Bl\u00FDch \u0161upinek, tzv. kokolity, je\u017E jsou produkov\u00E1ny intracelul\u00E1rn\u00EDmi v\u00E1\u010Dky a slo\u017Eeny z kalcitu."@cs . . . . . . "31"^^ . "Gephyrocapsa"@cs . . . . . . "14858763"^^ . "Gephyrocapsa oceanica je druh pat\u0159\u00EDc\u00ED mezi kokolitky (Coccolithophyceae). Jedn\u00E1 se o typov\u00FD druh \u0159as rodu Gephyrocapsa, kter\u00FD se pro vysokou citlivost na zm\u011Bny prost\u0159ed\u00ED a v\u00FDskyt v sedimentech stal d\u016Fle\u017Eit\u00FDm pleistoc\u00E9nn\u00EDm biostratigrafick\u00FDm indik\u00E1torem vyu\u017E\u00EDvan\u00FDm v paleoklimatologii a stratigrafii.Na vn\u011Bj\u0161\u00EDm povrchu cytoplazmatick\u00E9 membr\u00E1ny se usazuj\u00ED krystaly zv\u00E1penat\u011Bl\u00FDch \u0161upinek, tzv. kokolity, je\u017E jsou produkov\u00E1ny intracelul\u00E1rn\u00EDmi v\u00E1\u010Dky a slo\u017Eeny z kalcitu. Kokolity pak okolo Gephyrocapsa oceanica vytv\u00E1\u0159ej\u00ED radi\u00E1ln\u00ED kokosf\u00E9ru o pr\u016Fm\u011Bru 6\u201310 \u03BCm, \u010Dasto se agreguj\u00EDc\u00ED s dal\u0161\u00EDmi kokosf\u00E9rami do ve v\u011Bt\u0161\u00EDch shluk\u016F. P\u0159edpokl\u00E1d\u00E1 se, \u017Ee vzhledem k vlastnostem \u0161upinek rozptylovat a odr\u00E1\u017Eet sv\u011Btlo, zaji\u0161\u0165uj\u00ED kokolity ochranu \u0159as zejm\u00E9na p\u0159ed ultrafialov\u00FDm z\u00E1\u0159en\u00EDm.Gephyrocapsa oceanica specificky reaguje na zm\u011Bny oxidu uhli\u010Dit\u00E9ho v atmosf\u00E9\u0159e, jeho\u017E zv\u00FD\u0161en\u00E1 koncentrace se projev\u00ED vy\u0161\u0161\u00ED kyselost\u00ED mo\u0159sk\u00E9 vody a n\u00E1slednou rychlej\u0161\u00ED degradac\u00ED ochrann\u00E9 organick\u00E9 vrstvi\u010Dky na povrchu kokolit\u016F. Pro udr\u017Een\u00ED st\u00E1losti vnitrobun\u011B\u010Dn\u00E9ho pH pak bu\u0148ka utlumuje kalcifikaci, tj. tvorbu zv\u00E1p\u011Bnat\u011Bl\u00FDch \u0161upin.Dvouf\u00E1zov\u00FD \u017Eivotn\u00ED cyklus za\u010D\u00EDn\u00E1 mobiln\u00ED etapou haploidn\u00ED bu\u0148ky s bi\u010D\u00EDkem. Pot\u00E9 co dv\u011B haploidn\u00ED bu\u0148ky splynou v jednu diploidn\u00ED, nov\u00E1 bu\u0148ka ztr\u00E1c\u00ED schopnost pohybu a rozmno\u017Euje se nepohlavn\u011B."@cs . . . .