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January 26, 2021
Karelian scientists assessed the effects of annual tourist traffic on the forest cover and soils in and around the White Sea petroglyph sites. They found that intensive trampling threatens the local forest ecosystems. Based on the results of the study, the specialists produced recommendations on how to conserve the ecosystems.
Staff of the Forest Research Institute of the Karelian Research Centre RAS visited the cultural heritage site “White Sea petroglyphs” to find out how the condition of its forest ecosystems has changed under tourism impact. This was the first study of this kind in the area. Its results were published in a recent issue of the "Bulletin of Higher Educational Institutions. Lesnoy Zhurnal"
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April 28, 2025
Karelian biologists ran successful trials of a technique for detecting fish infection with helminths based on traces of their DNA in water
Specialists of the Institute of Biology KarRC RAS were the first in the republic to test the method of environmental DNA analysis (eDNA) to detect a model fish parasite in an area impacted by trout farms. This is especially important in the context of a growing number of fish farms that use the practice of transporting stock (fry) from between water bodies, which creates a risk of new parasites appearing in lakes. Currently, fish have to be captured and examined to detect an infection, and for the output to be accurate the sample should be at least 15 fish. This may be problematic in the wild and costly in cage facilities. The eDNA diagnosis system can detect the presence of parasites directly in water samples.
Specialists of the Institute of Biology KarRC RAS were the first in the republic to test the method of environmental DNA analysis (eDNA) to detect a model fish parasite in an area impacted by trout farms. This is especially important in the context of a growing number of fish farms that use the practice of transporting stock (fry) from between water bodies, which creates a risk of new parasites appearing in lakes. Currently, fish have to be captured and examined to detect an infection, and for the output to be accurate the sample should be at least 15 fish. This may be problematic in the wild and costly in cage facilities. The eDNA diagnosis system can detect the presence of parasites directly in water samples.