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Marine and Freshwater Research Marine and Freshwater Research Society
Advances in the aquatic sciences
RESEARCH ARTICLE

Concentrations of some inorganic plant nutrients in saline lakes on the Yorke Peninsula, South Australia

H Tominaga, N Tominaga and WD Williams

Australian Journal of Marine and Freshwater Research 38(2) 301 - 305
Published: 1987

Abstract

The concentrations of major ions (Na+, K+, Ca2+, Mg2+, Cl-, SO42- and HCO3- + CO32-) and minor ions (NO2, NO3-, NH4 and PO43-) were determined in 10 saline and mostly ephemeral lakes on the Yorke Peninsula, S.A., over a range of salinity (27-250 g/l). The major ion dominances were similar to those of saline lakes elsewhere in southern Australia: Na+> Mg2+ > Ca2+ > K+ : Cl- > SO42- > HCO3- + CO32-. Concentration ranges of minor ions were wide; individual concentrations of ions were not correlated with salinity, but in the least-saline lakes (salinity < 150 g/l) phosphorus appears to be the most likely limiting plant nutrient, whereas in the more saline lakes (>150 g/l) nitrogen appears to be so.

https://doi.org/10.1071/MF9870301

© CSIRO 1987

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