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Nutrient Requirement and Growth of a Synechococcus Species Isolated from Lake Balaton
Author(s) -
Mastala Zoltan,
Herodek Sándor,
V.Balogh Katalin,
Borbély György,
Shafik Hesham Mohamed,
Vörös Lajos
Publication year - 1996
Publication title -
internationale revue der gesamten hydrobiologie und hydrographie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.524
H-Index - 52
eISSN - 1522-2632
pISSN - 0020-9309
DOI - 10.1002/iroh.19960810403
Subject(s) - synechococcus , growth rate , saturation (graph theory) , dry weight , nutrient , zoology , chlorophyll a , biomass (ecology) , chemistry , botany , environmental chemistry , biology , ecology , cyanobacteria , bacteria , mathematics , genetics , geometry , combinatorics
Abstract A pico sized Synechococcus species isolated from Lake Balaton was studied in batch and continuous cultures. This picocyanobacterium had a pH optimum at 8.5 and a temperature optimum at 28‐30°C. The I k value for growth was 52 μEinstein m −2 S −1 , the maximum growth rate 2.27 d −1 , the half saturation Constant of growth 1.2 μg PO 4 ‐P I −1 and the minimal cell quota 1.74 nig P g dry weight −1 . The dry weight of cells showed a minimum, the chlorophyll‐a/biomass ratio a maximum as a function of growth rate. Above the quota of 3.4 fg P Cell −1 significant amounts of non‐reactive dissolved Phosphorous were released.