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Hydrobiological Journal
SJR: 0.217 SNIP: 0.575 CiteScore™: 0.24

ISSN Imprimer: 0018-8166
ISSN En ligne: 1943-5991

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Volume 55, 2019 Volume 54, 2018 Volume 53, 2017 Volume 52, 2016 Volume 51, 2015 Volume 50, 2014 Volume 49, 2013 Volume 48, 2012 Volume 47, 2011 Volume 46, 2010 Volume 45, 2009 Volume 44, 2008 Volume 43, 2007 Volume 42, 2006 Volume 41, 2005 Volume 40, 2004 Volume 39, 2003 Volume 38, 2002 Volume 37, 2001 Volume 36, 2000 Volume 35, 1999 Volume 34, 1998

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v55.i1.40
pages 44-49

Empiric Relationship between the Growth of Chironomus riparius Larvae and the Content of the Elements of the Group of Metals in the Composition of Freshwater Bottom Sediments under Laboratory Conditions

M. V. Gapeyeva
Institute of Biology of Inland Waters Russian Academy of Sciences Borok, Russian Federation
L. A. Kuchay
Institute of Biology of Inland Waters Russian Academy of Sciences Borok, Russian Federation
R. A. Lozhkina
Institute of Biology of Inland Waters Russian Academy of Sciences Borok, Russian Federation

RÉSUMÉ

The group of metals, including Li, Be, Na, Mg, K, Ca, Mn, Co, Cu, Rb, Sr, Cs, Ba, Tl, and Pb, and the sum of light (La, Ce, Pr, Nd, and Sm) and heavy (Eu, Gd, Tb, Dy, Er, Tm, Yb, and Lu) rare-earth elements, the content of which correlates with the growth of Chironomus riparius larvae, was determined in bottom sediments using the method of piecewise regression. The methods of the multidimensional statistical analysis and the appendix of the theory of indistinct sets, in particular, desirability functions were used. It has been shown that the metals of the first two groups of the Mendeleyev Table explain 79.5% of the variations of the change in larvae dimensions. The intervals of the concentrations of the general forms of chemical elements corresponding to the optimal growth of Chironomus riparius larvae were determined on the basis of the Harrington scale and function.


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