Respondent

Semaschuk Roman Bohdanovych

Theme

Initial  soil  formation  and  rendzinas  Western  Podolia.

Defence Date

29.01.2016

Annotation

Dissertation  for  granting  the  academic  degree  of  Ph.D.  of  geographical  Sciences,
specialty  11.00.05  –  biogeography  and  geography  of  soils.  –  Ivan  Franko  National
University of Lviv, 2015.
The dissertation covers the history, problems and theoretical methodological basis
of  studies  of  soils,  which  are  at  initial  stages  of  development.  The  specificity  of  soil
formation  on  products  elyuviohenezy  dense  carbonate  rocks.  Described  in  detail  the
complex factors of soil genesis and characteristics rendzinas in Western Podolia.
Gross  analyzed  the  chemical  composition  and  energy  and  thermodynamic
parameters  of  the  objects,  whereby  it  was  found  difference  between  eluvial  weathering
crust  and  rendzinas  formed  in  different  geomorphology-phytocoenotic  conditions.
Therefore  rendzinas  are  more  important  crystal  lattice  energy  and  Gibbs  free  energy.
Analysis of molar ratios, and the balance factor leach substances showed that the studied
soils  typical  intensive  surface  weathering  and  dissolution  processes  and  leaching
carbonates.
The leading influence the nature and direction of manifestation initial soil, including
the accumulation of humus and biofilnyh elements and the intensity of the formation of the
genetic  profile  of  the  studied  soil  is  a  biological  factor,  especially  the  dominance  of
herbaceous plant associations.
And supplement the theoretical and methodological principles of soil formation and
study  initial  rendzinas  different  geomorphology-phytocoenotic  conditions  at  the  tract.
Systematic  and  generalized  materials  of  the  research  can  be  used  to  solve  genetic
(ontogenetic)  and  geographical  classification problems  within the  Western  Podolia.  The
results are offered to improve methods of soil-geographic zone and optimize the use of
forest soils.
Keywords:  initial  soil,  rendzinas,  geomorphology-phytocenotic,  energy  and
thermodynamic properties, carbonates, gross chemical composition, group and fractional
composition of humus.

Dissertation File

Autosummary File