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- Title
STUDY UPON THE SPECIES IPS TYPOGRAPHUS L. (COLEOPTERA, CURCULIONIDAE) IN THE RAŞINARI FORESTRY ECOSYSTEM, SIBIU COUNTY.
- Authors
ANTONIE, Iuliana
- Abstract
The disturbance of the equilibrium between the endogenous and exogenous command factors of human origin leads to massive perturbations in the forestry ecosystems affecting all the living beings within the biocenosis and especially the forestry entomologic fauna. Under some circumstances the pest insects from the forestry ecosystem can produce big damages to the trees in the case of maintaining high effectives of these and for many years, too. Our study aimed the monitoring the species Ips typographus L., a forestry pest, which by its action produces important damages to the spruce fir. The research work ran for two years, during 2012-2013, in the area of Raşinari Forestry District, Sibiu County. The work method was to install at the skirt of the forest the traps with pheromones bait in the researched area. There were collected a number of 4,146 samples of which in 2012 were captured 1,973 individuals and in 2013 were captured 2,173 individuals. There was established a growth of the pest population in the studied biotope, this being the same as at the national level. As a consequence there are imposed further studies in order to find the most proper solutions regarding stopping the dissemination of the insect into new territories and maintaining the density of the population of the pest beyond the economic level of damage.
- Subjects
BEETLES; ENTOMOLOGY; ANIMAL species; FORESTS &; forestry; FOREST ecology
- Publication
Scientific Papers Series Management, Economic Engineering in Agriculture & Rural Development, 2015, Vol 15, Issue 1, p45
- ISSN
2284-7995
- Publication type
Article