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Regulatory Processesin Populations ofForest Insects (ACase Study of InsectSpecies Damaging thePine Pinus sylvestrisL. in… : научноеиздание Soukhovolsky VladislavOvchinnikova TamaraTarasova Olga2022 год

Regulatory Processes in Populations of Forest Insects (A Case Study of Insect Species Damaging the Pine Pinus sylvestris L. in Forests of SIBERIA) : научное издание
статья из журнала

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База данных: Каталог библиотеки СФУ
Библиографическое описание: Regulatory Processes in Populations of Forest Insects (A Case Study of Insect Species Damaging the Pine Pinus sylvestris L. in Forests of SIBERIA) : научное издание / V. Soukhovolsky, T. Ovchinnikova, O. Tarasova [et al.]. - Текст : непосредственный // Diversity. - 2022. - Т. 14, № 12. - P. 1038. - ISSN 1424-2818, DOI 10.3390/d14121038.
Аннотация: <jats:p>The present study addresses the population dynamics of five species of phyllophagous forest insects in five habitats located in the Krasnoturansk pine forest (south Middle Siberia). Based on the data of insect surveys obtained during 1979–2016, autoregressive (AR) models of population dynamics have been proposed, with the current population density being dependent on population densities of the preceding years. Methods of calculation of the autoregression order and coefficients of AR equations have been presented. The study shows that, for different insect species in different habitats, the lags between the current population density and the densities of the previous years are not the same. AR equations characterize positive and negative feedbacks regulating population dynamics. By using AR equations, up to 90% of population density variance can be taken into account. Stability margin, which is calculated from coefficients of AR models, has been proposed as a parameter to assess the stability of population dynamics. A small stability margin indicates a high risk of outbreak of an insect species.</jats:p>
Год издания: 2022
Авторы: Soukhovolsky Vladislav, Ovchinnikova Tamara, Tarasova Olga, Ivanova Yulia, Kovalev Anton
Источник: Diversity
Выпуск: Т. 14, № 12
Номера страниц: 1038
Количество экземпляров:
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