Mathematical Biology
Insect outbreak model: spruce budworm. Harvesting a single natural population. population model with age distribution. Ecological implications andcaveats. Discrete growth models for interacting populations. Multiple steady states, mushrooms and isolas.
Подобные документы
The aim of the research is to study the antagonistic activity of lactobacilli isolated from different sources of the Southern region of Ukraine. The experiments used 13 strains of bacteria of the genus Lactobacillus isolated from different sources.
статья, добавлен 20.08.2020Determination of indices of species richness of Eurytopian beetles and diversity of staphylinid communities of the Ukrainian Carpathians. Study of the originality of the fauna in the forest biotopes of the mountain massifs of Yavirnyk and Polonyn ridge.
статья, добавлен 11.07.2023The search for new natural sources of biologically active substances. The value of the nature of the extractant for the manifestation of biological activity. Study of extracts of Piptoporus betulinus and Fomitopsis pinicola, prospects for their study.
статья, добавлен 14.04.202216 species of land mollusks on the territory of the Brest Fortress. A high degree of difference between the species composition of sites with meadow and woody vegetation. Establishing the distribution of mollusks. Soil cover density and type of litter.
статья, добавлен 24.12.2021The main compounds of the Н. arenarium essential oil were oleic acid, ethyl hexadecanoate, sclareol. The extracts showed a high level of total phenolic content, which make the studied plant species as a potential source of natural antioxidant or a source.
статья, добавлен 10.06.2022Research of morphogenesis (or minor life cycle) and ontogenesis (or major life cycle) of Galanthus nivalis L. Phases of monocarpic shoot development within the bud. Multivariate ways of bulb plant ontogeny from the moment of zygote to natural death.
статья, добавлен 28.12.2017Discussed in the scientific literature possible mechanisms for the formation of the "image" on the linen fabric of the Shroud of Turin. It was shown how this “image” on the fabric was formed in a natural way and how much energy it took, oil marks.
статья, добавлен 25.03.2019The impact of infusion derived from commercial green leaf tea on the growth of some Gram-positive and Gram-negative strains was studied. The most sensitive to infusion was the Gram-negative bacterial strain Escherichia coli Castellani and Chalmers.
статья, добавлен 16.07.2023High temperatures as important abiotic stressors affecting the growth, development and productivity of plants. Relationship between ROS content and mitochondrial functions in Saccharum officinarum suspension culture cells at elevated temperatures.
статья, добавлен 13.04.2022Assessment of biological diversity of the Lipetsk region. Determination of the number of nesting sites of rare bird species using cartographic data and remote sensing. Identification of the reasons for the variability of the landscape of the region.
статья, добавлен 18.05.2021Evaluation and analysis of relative degree of drought resistance by water content of tissue. Assessment of relative drought resistance by water-holding capacity of leaves genus momordica (cucurbitaceae) introduced under the conditions of Belgorod region.
статья, добавлен 29.11.2016For the first time, the method of bioclimatic modeling was used to determine the boundaries of the range of occurrence of a potential polemochoral species Avenella flexuosa (L.) Drejer. Maximum entropy modeling of species geographic Distributions.
статья, добавлен 25.02.2021Individual genetic heterogeneity as the main factor driving prolonged dormancy of the species. Three morphological states were identified in dormant plants of Fritillaria including a false dormancy in individuals which carried on growing below ground.
статья, добавлен 25.02.2021Analysis the morphological, functional states of neuromuscular junctions of drosophila larvae expressing synuclein wild type, its mutant forms and induces morphological changes in NMJs, reducing the number of mitochondria in axon presynaptic terminals.
статья, добавлен 27.07.2016Characteristics of creating a selective system with Cd2 + cations for obtaining water-resistant wheat cell lines. Study of osmostability of Cd-resistant cell lines under conditions of direct action of mannitol. Feature of growth of level of free proline.
статья, добавлен 14.12.2020Growing conditions for fodder legume Lucerne (Medicago L.). Comparison of salt stress indices of two species (Medicago sativa, Medicago falcata) and two grades at the germination and growth stages. Analysis of the sensitivity of alfalfa to soil salinity.
статья, добавлен 20.03.2022Exemplary systems for studying of three-dimensional growth and differentiation in vitro. Spheroid formation in spinner flasks. Spheroid formation on agar overlay. Formation of multicellular aggregates under different conditions of microenvironment.
статья, добавлен 28.09.2012The identifies the types of Sorbus L plants that are new to the flora of the Nakhchivan Autonomous Republic. The research includes information on species synonyms, distribution patterns in altitude zones, biotope, flowering and fruit ripening periods.
статья, добавлен 19.09.2022The allometric models of microbial community respiration and production provide a complementary method for understanding the metabolic balance of the upper ocean. Latitudinal Variation in Plankton Size Spectra along in large areas the Atlantic Ocean.
дипломная работа, добавлен 25.06.2010Еffect of soft wheat seed treatment (Triticum aestivum L.) with two bacterial strains (Aeromonas media GS4, Pseudomonas extremorientalis PhS1) isolatedfrom earthworm coprolites on the growth and development of wheat seedlings in a laboratory experiment.
статья, добавлен 05.10.2020Stages of cultivation of multipotent stem cells derived from the neural crest in 3D collagen and fibrin hydrogels. Cell viability and growth. The conditions for the effective use of the results obtained for the development of the nervous system.
статья, добавлен 28.09.2016