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Influence of temperature and conductivity on the life-history characteristics of a pampean strain of Brachionus plicatilis Anais da ABC (AABC)
FERRANDO,NOELIA S.; CLAPS,MARÍA C.; BENÍTEZ,HERNÁN H.; GABELLONE,NÉSTOR A..
ABSTRACT In the present work, we provide the first approach about the life-history of Brachionus plicatilis in South America. We tested with laboratory experiments the response of the pampean strain of B. plicatilis for two of its main stressors (conductivity and temperature). We evaluated the effects of eight conductivity values from 1 to 17 mS.cm-1 and two temperatures (15 and 25 °C) to compare its abundance with those obtained in the pampean lotic and lentic environments, where this rotifer is frequent or dominant. The results demonstrated that the increase in population-growth rate and the peak of abundance occurred at the highest temperature and at medium conductivity. Minimum values were obtained at the lowest temperature and conductivities analyzed,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Euryhaline rotifer; Experimental cultures; Growth rate; Salinity; Temperature.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000401431
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