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
Feature of in silico presentation of biological affinity results of model peptides and heterocyclic bases condensed with pyridine and pyrimidine as pharmacophores. Characterization of the expansion of conjugated heterocyclic compounds using annealing.
статья, добавлен 14.07.2022The morphology of the leech (size of the body and gills, structure of the cuticle) and molecular-genetic diversity of the species. Study of its properties, current status in water bodies, and methods of reproduction in natural and laboratory conditions.
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статья, добавлен 03.10.2012Reducing the number of large species of prey, which are the cornerstone of snow leopard conservation. Understanding the factors influencing the basic needs of the goat and the formation of its distribution. Factors affecting the needs of the goat.
статья, добавлен 23.06.2022Meadows as plant ecosystems of the forest-steppe zone. Changes in botanical composition and projective coverage of dominant species, constant human intervention to maintain their high productivity. Natural fodder lands in conditions of technogenesis.
статья, добавлен 12.05.2024The genus Cedrela in Ecuador has four species. Currently, three species of Cedrela are included in the IUCN Red List. C. odorata and C. nebulosa are listed as vulnerable species and C. fissilis as endangered species. In spite of their status and priority.
статья, добавлен 28.09.2021Residue-Based Substrates and their Solid-State Fermentation by Mushroom Fungi. Types, Availability and Chemical Composition of Raw Materials. Nutritional and Environmental Aspects of Mushroom Growing. Output, Stages and results of Mushroom Cultivation.
курсовая работа, добавлен 17.05.2015Comparison the changes of intestinal microbial composition of two models of dysbiosis induced by ceftriaxone or the mix of ampicillin and metronidazole. Evaluation of quantitative and qualitative changes of fecal microbiota after ceftriaxone withdrawal.
статья, добавлен 26.06.2020Evaluation of the effect of adding Cu (in the form of copper carbonate or nanoparticles) with a reduced level of requirement for rats that are growing. The study of the parameters of the humerus. Analysis of the biomechanical reaction of the humerus.
статья, добавлен 17.06.2020Development of biological preparations for organic agriculture. The study of effect of Lactobacillus plantarum ONU 12 and Bacillus megaterium ONU 484 on germination and growth of wheat seedlings. The formation of bacilli biofilms with a developed matrix.
статья, добавлен 29.06.2020Study of the characteristics of 3 species belonging to the insects Chrysomelidae family, which are often found in agrocenosis and cause serious damage to plants. Information about some bioecological and phenological characteristics of the mentioned specie
статья, добавлен 04.09.2024Different districts of Karakalpakstan on totality of environmental conditions on relief, geological structure, irrigation, climate, soil, vegetation and modern economic use. Distribution of crop wild relatives plants into economically important groups.
статья, добавлен 07.08.2020The fossils of organisms preserved in the lowest layers represent animals and plants. By studying the type of fossils in the different strata, it is possible to build up a picture of how the populations of organisms changed over millions of years.
презентация, добавлен 20.01.2013Evaluation of St. John's wort as a raw material base of phytolectins, the content of protein compounds in organs, the timing of harvesting raw materials with the maximum accumulation of compounds. Hemagglutinating activity of St. John's wort lectins.
статья, добавлен 10.11.2021The growth of bacteria Desulfovibrio Piger of the human intestine at different concentrations of acceptor and donor of electrons. The increase in the intensity of bacterial growth and production of hydrogen sulfide in the environment of cultivation.
статья, добавлен 28.01.2016The paper describes the change in perspective in the composition of the A. messeae taxonomic unit. Initially, based on the disequilibrium ofnatural populations, the species was differentiated into A and B forms using chromosomal inversions as markers.
статья, добавлен 03.08.2021Exchange of grafts between the frogs in the xenotransplantation experiments. Immunogenetic method of skin transplantation was applied for assessing the variability of hybrids and parental species according to levels of expressed histocompatability.
статья, добавлен 02.12.2017Study of the physiological harmfulness of xylophages that inhabit poplars and aspen in the Left Bank forest-steppe, taking into account the ability of these insects to inhabit trees of a certain sanitary condition. The average score of this factor.
статья, добавлен 08.01.2024The creation of a collection of type specimens of fishes of the National Museum of Natural History NAS of Ukraine has started in 1974. The collection of fish type specimens of the Zoological Museum was enriched by both national and foreign specialists.
статья, добавлен 11.07.2023Order and stages of the hybridological analysis on several durum wheat genotypes with utilizing three F-populations from the crossing between parental forms that differed in the invariable malt-zone triplet on electrophoretic spectrum of a-amylase.
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статья, добавлен 04.09.2024Transcription and Gene Regulation. Recombinant DNA Technology. Nucleic Acid Manipulations. Eukaryotic Viruses. Bacterial Genetics and Bacteriophages. Molecular Evolution. Cell Communication. Prokaryotic and eukaryotic. Chemoheterotrophic metabolism.
учебное пособие, добавлен 05.07.2013Фізіологічне значення вторинних метаболітів фенольної природи у водних рослин. Роль флавонідів у захисті рослин від оксидативного пошкодження, викликаного дією ксенобіотиків. Участь поліфенольних сполук у хімічному захисті макрофітів від патогенів.
статья, добавлен 30.08.2018