Scientists found the cause of major insect pest outbreaks at the Siberian Federal University: outbreaks of insect breeding are associated with the number of “grandmothers” and “grandchildren” 11:02

Scientists from the Siberian Federal University have discovered a pattern in the emergence and disappearance of insect pests. It turns out that they are connected to the generation of “grandmothers”. If there are many of them, then there will be a lot of insects – “descendants”. However, if there are many “parent” insects, then there will be few “descendants”. The Ministry of Education and Science of the Russian Federation told socialbites.ca about this.

This is because insects do not live long and “parents” compete directly with “descendants” for food resources. But the “grandchildren” of insects do not have to fight with their “grandmothers” for food. This rule helps to understand the nature and regularity of epidemics. However, weather conditions do not affect epidemics.

Mass proliferation of forest insects is an understudied phenomenon. Scientists do not know when, where or why the epidemic will start. Scientists can only record current outbreaks and observe the pest for a short period of time (3-4 years).

For 46 years, scientists of the Siberian Federal University, using the example of forests in the south of the Krasnoyarsk Territory, have been studying Siberian silkworm, pine moth, greenish gilpinia, etc. They are investigating how mass breeding outbreaks of insect pests such as It turns out that weather factors have almost no impact on the dynamics of such epidemics.

Based on the data obtained, scientists developed mathematical models of species population dynamics. They will help predict future major epidemics and take proactive measures to protect Siberian forests, which play a critical role in maintaining the global carbon balance.

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