ISSN:
1573-5117
Keywords:
algal growth
;
sorption
;
chemical speciation
;
micronutrients
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Abstract Algal nutrient studies in chemically-defined media typically employ a synthetic chelator to prevent iron hydroxide precipitation. Micronutrient-particulate interactions may, however, significantly affect chemical speciation and hence biovailability of these nutrients in natural waters. A technique is described by which Selenastrum capricornutum Printz (Chlorophyta) may be cultured in a medium where trace metal speciation (except iron) is controlled, not by organic chelation, but by sorption onto titanium dioxide. Application of this culturing protocol in conjunction with results from sorption studies of nutrient ions on mineral particles provides a means of studying biological impacts of sorptive processes in aquatic environments.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00011393
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