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230412|2022 sz s a eng d |
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|a 10.3390/insects13080712
|2 doi
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| 035 |
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|a koha001000158
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|a RU-ToGU
|b rus
|c RU-ToGU
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|a Ananko, Grigory G.
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|a Rock microhabitats provide suitable thermal conditions for overwintering insects: A case study of the spongy moth (Lymantria dispar l.) population in the Altai mountains
|c G. G. Ananko, A. V. Kolosov, V. V. Martemyanov
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|a Текст
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|a электронный
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|a Библиогр.: с. 53 назв.
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|a Simple Summary The spongy moth (SM) lives in the temperate latitudes of Europe and Asia, as well as in North America (as an invasive species). Caterpillars of the spongy moth feed on tree leaves. They cause significant economic damage, as they lead to the defoliation of trees over vast areas. Studies of the ecology of the spongy moth are necessary to predict possible outbreaks of this insect, as well as to develop effective methods for controlling their numbers. In North America, where the SM is an invasive species, its range is still expanding. Therefore, it is vitally important to build adequate models that will help predict the regions where the SM may appear in the future. The results of our study of Asian SM populations suggest another possible pathway for the SM to spread in the forests of North America. It turns out that the temperature of the rock surface, where the spongy moth lays eggs overwinter, is significantly higher than the temperature of the winter air. Therefore, insects (or their eggs) wintering on rocks can survive colder winter air temperatures than their physiology allows. These results help to reassess the role of the mountain landscape in the spread of insect species. Many insect species overwinter in various rock shelters (cavities and crevices), but the microclimates of rock biotopes remain poorly understood. We investigated the temperature dynamics in rock microhabitats where clusters of egg masses of the wintering spongy moth Lymantria dispar L. (SM) were observed. Our research objective was to find the relation between the ovipositing behaviour of females and the landscape features in different parts of this species' range. Studies of the ecology of the SM are important from a practical point of view, as the moth causes significant economic damage to forests of the Holarctic. We found that the average monthly temperature of rock surfaces in the studied microhabitats was 2-5 degrees C above the average air temperature. More importantly, the minimum temperatures in these microhabitats were 4-13 degrees C higher than the minimum air temperature. These results help to reassess the role of the mountain landscape in the spread of insect species. Rock biotopes provided a significant improvement in the conditions for wintering insects. We believe that, when modelling the spread of invasive species (such as the SM), it is necessary to account for the influence of rock biotopes that may facilitate shifts in the northern boundaries of their range.
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|a зимнее выживание
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|a микроареалы
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|a микроклимат
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|a экстремальные температуры
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|a точки переохлаждения
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|a яйцекладка
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|a непарный шелкопряд
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|a губчатая моль
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|a альпийская среда
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4 |
|a статьи в журналах
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1 |
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|a Kolosov, Aleksei V.
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|a Martemyanov, Vyacheslav V.
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| 773 |
0 |
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|t Insects
|d 2022
|g Vol. 13, № 8. P. 712 (1-17)
|x 2075-4450
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| 852 |
4 |
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|a RU-ToGU
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|u http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:001000158
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|a статья
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|c 1000158
|d 1000158
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