"1"^^ . " bacterial production" . "http://www.isvav.cz/projectDetail.do?rowId=GA13-11281S"^^ . . "2017-12-31+01:00"^^ . "0"^^ . " primary production" . . "Turning the microbial loop"@en . . "Jak rychle se ot\u00E1\u010D\u00ED mikrobi\u00E1ln\u00ED smy\u010Dka?" . . . "The role of microorganisms in aquatic environments has been described using the concept of the microbial loop. Phytoplankton are a primary source of organic matter which is later recycled by heterotrophic organisms, zooplankton and bacteria. In spite of the importance of bacteria in the aquatic systems many fundamental microbial processes are only poorly understood. We lack clear answers to some very basic questions: How fast do aquatic bacteria grow and what are the main control factors? What are the carbon fluxes through the microbial loop? How tight is the relationship between bacterial production and primary production? Here, we propose to test two different modes of microbial functioning \u2013 the slow microbial loop, which is largely decoupled from the primary production, versus the fast loop, which is tightly coupled to new carbon production. To accomplish that, we propose an integrated effort encompassing laboratory experiments, field measurements which should better quantify the extent and functioning of this crucial process."@en . "2015-04-23+02:00"^^ . "aquatic microorganisms, primary production, bacterial production, carbon cycle"@en . . . . . . "2014-03-31+02:00"^^ . "2013-02-01+01:00"^^ . "\u00DAloha mikroorganism\u016F ve vodn\u00EDm prost\u0159ed\u00ED je shurnuta v konceptu tzv. mikrobi\u00E1ln\u00ED smy\u010Dky. Fytoplankton je prim\u00E1rn\u00EDm zdrojem organick\u00E9ho uhl\u00EDku, kter\u00FD je vyu\u017E\u00EDv\u00E1n heterotrofn\u00EDmi organismy, zooplanktonem a bakteriemi. P\u0159es v\u00FDznam jak\u00FD bakterie ve vodn\u00EDm prost\u0159ed\u00ED maj\u00ED, nen\u00ED jejich \u00FAloha v z\u00E1kladn\u00EDch mikrobi\u00E1ln\u00EDch procesech zcela objasn\u011Bna. Doposud nezn\u00E1me odpov\u011B\u010F na mnoh\u00E9 z\u00E1kladn\u00ED ot\u00E1zky: Jak rychle vodn\u00ED bakterie rostou a jak\u00E9 jsou hlavn\u00ED \u0159\u00EDd\u00EDc\u00ED faktory? Jak\u00FD je tok uhl\u00EDku mikrobi\u00E1ln\u00ED pumpou? Jak pevn\u00FD je vztah mezi bakteri\u00E1ln\u00ED produkc\u00ED a prim\u00E1rn\u00ED produkc\u00ED? V tomto projektu pl\u00E1nujeme testovat dva z\u00E1kladn\u00ED modely mikrobi\u00E1ln\u00ED smy\u010Dky - pomalou smy\u010Dku, kter\u00E1 je na prim\u00E1rn\u00ED produkci pom\u011Brn\u011B nez\u00E1visl\u00E1, a rychl\u00E1 smy\u010Dka, kter\u00E1 je na prim\u00E1rn\u00ED produkci t\u011Bsn\u011B nav\u00E1zan\u00E1. K zodpov\u011Bzen\u00ED techto ot\u00E1zek p\u0159edkl\u00E1d\u00E1me integrovan\u00FD projekt slo\u017Een\u00FD z laboratorn\u00EDch a poln\u00EDch m\u011B\u0159en\u00ED, jeho\u017E c\u00EDlem je p\u0159esn\u00E1 kvantifikace rozsahu a fungov\u00E1n\u00ED tohoto kl\u00ED\u010Dov\u00E9ho procesu." . . . "1"^^ . . . . . "aquatic microorganisms" . "1"^^ . "GA13-11281S" . "0"^^ . . .