Detailed Information on Publication Record
2016
Freshwater mineral nitrogen and essential elements in autotrophs in James Ross Island, West Antarctica
COUFALÍK, Pavel, Petra PROCHAZKOVÁ, Ondřej ZVĚŘINA, Kateřina TRNKOVÁ, Kateřina SKÁCELOVÁ et. al.Basic information
Original name
Freshwater mineral nitrogen and essential elements in autotrophs in James Ross Island, West Antarctica
Authors
COUFALÍK, Pavel (203 Czech Republic, guarantor, belonging to the institution), Petra PROCHAZKOVÁ (203 Czech Republic, belonging to the institution), Ondřej ZVĚŘINA (203 Czech Republic, belonging to the institution), Kateřina TRNKOVÁ (203 Czech Republic, belonging to the institution), Kateřina SKÁCELOVÁ (203 Czech Republic, belonging to the institution), Daniel NÝVLT (203 Czech Republic, belonging to the institution) and Josef KOMÁREK (203 Czech Republic, belonging to the institution)
Edition
Polish Polar Research, Warszawa, Państwowe Wydawnictwo Naukowe, 2016, 0138-0338
Other information
Language
English
Type of outcome
Článek v odborném periodiku
Field of Study
10406 Analytical chemistry
Country of publisher
Poland
Confidentiality degree
není předmětem státního či obchodního tajemství
Impact factor
Impact factor: 0.636
RIV identification code
RIV/00216224:14310/16:00092206
Organization unit
Faculty of Science
UT WoS
000390412400003
Keywords in English
Antarctica; cyanobacteria; algae; nutrients
Tags
International impact, Reviewed
Změněno: 13/3/2018 13:33, doc. Mgr. Daniel Nývlt, Ph.D.
Abstract
V originále
The lakes and watercourses are habitats for various communities of cyanobacteria and algae, which are among the few primary producers in Antarctica. The amount of nutrients in the mineral-poor Antarctic environment is a limiting factor for the growth of freshwater autotrophs in most cases. In this study, the main aim was to assess the availability of mineral nitrogen for microorganisms in cyanobacterial mats in James Ross Island. The nitrate and ammonium ions in water environment were determined as well as the contents of major elements (C, N, P, S, Na, K, Ca, Mg, Al, Fe, Mn) in cyanobacterial mats. The molar ratios of C:N, C:P and N:P in mats were in focus. The growth of freshwater autotrophs seems not to be limited by the level of nitrogen, according to the content of available mineral nitrogen in water and the biogeochemical stoichiometry of C:N:P. The source of nutrients in the Ulu Peninsula is not obvious. The nitrogen fixation could enhance the nitrogen content in mats, which was observed in some samples containing the Nostoc sp.
Links
LM2010009, research and development project |
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MUNI/A/1008/2013, interní kód MU |
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