Search

Search Results

• The dynamics of biodiversity structure of soil microorganisms under the impact of biopreparations during potato growing season

  67-74

  M. V. Patyka

  V. V. Borodai

  E. V. Khomenko

  V. P. Patyka

  Views:

  141

  The use of biological preparations such as Phytotsid and Planryz contributes the increase of the general number of soil bacteria population by 13.0–36.1% in the case of potato variety Scarbnytsya and by 4.5–24.6% for potato variety Oberig compared with control. It also increases the number of saprophyte microflora, which compete with plant pathogens, micromycetes, and causes 1.2–1.8 times reduction in the number of soil fungi – Fusarium and Alternaria. During the application of Rovral Akvaflo the Shannon ecological index of species biodiversity is lower than during the biopreparation use. The decrease of species biodiversity was observed as well as strengthening the dominance of some species (dark pigmentation in fungi).

• Features of forming an invertebrate fauna in technogen environment (Kriviy Rig, Ukraine)

  53-56

  Y. Kul'Bachko

  O. Pakhomov

  O. Didur

  I. Loza

  Views:

  128

  The features of invertebrate fauna forming in conditions of technogen pressure (Kriviy Rig, Ukraine) were studied. The taxonomic composition, dominance structure and correlation of soil invertebrates’ functional groups in the large industrial enterprises were examined. It had been found that a small thickness of the soil layer as a habitat for ground animals causes the depletion of taxonomic composition, species richness and decrease the total number of soil invertebrates. Gastropoda molluscs in conditions of technogen pressure are the most adapted to stresses group of invertebrates.