Aspects regarding the dinamics of pest populations to the coniferous forests of the upper basin of the Doamnei river
January 1, 2012
Aspects regarding the dinamics of pest populations to the coniferous forests of the upper basin of the Doamnei river
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| Title: | Aspects regarding the dinamics of pest populations to the coniferous forests of the upper basin of the Doamnei river |
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| Article_Title: | Aspects regarding the dinamics of pest populations to the coniferous forests of the upper basin of the Doamnei river |
| Authors: | Gheorghe Romeo Retevoi |
| Affiliation: | Faculty of Sciences, University of Pitesti, Arges, Romania |
| Abstract: | The research of harmful insects for pine forest was achieved in two distinct areas: the hilly area of the village Pietroşani (Argeş) and the mountain area Clăbucet during the years 2008 and 2009. Using various methods of study, in the mentioned areas, we identified the following species of insects: Ips typographus, Hilastes ater, Pytiogenes chalcographus, Hylurgops palliatus. Among these the first three had numeric explosion causing major damage to the forests. By processing the field data we determined: the intensity of the attack, the insect population density, the frequency of the attacked trees, the propagation coefficient, and the abundance. Knowing all these parameters it was possible to develop short-term forecasts useful in forestry. |
| Keywords: | Arges county, harmful insects, Ips typographus, Hilastes ater, Pytiogenes chalcographus, Hylurgops palliatus |
| References: | Bakke A., Saether T., Mass trapping of the spruce bark beetle Ips typographus, Norsk Inst. Skogforsk 38:1-35, 1983. Dumouchel, L., Exeford Detabase Pest Report: Hilurgops paliatus, USDA Forest Service, 2004. Ioan Iancu, Îndrumarul pădurarului, Editura Pegasus, Bucureşti, 1999. Olimpia Marcu, Dieter Simon, Entomologie forestieră, Editura Ceres, Bucureşti, pp. 193 – 204, 1995. Regia naţională a pădurilor, Cartea pădurarului, Editura Muşatini, Suceava, pp. 300 – 305, 1997. Simionescu, A., Dăunătorii pădurilor, Editura Ceres, Bucureşti, 1971. Ştefan R. Zamfirescu, Oana Zamfirescu, Elemente de statistică aplicate în ecologie, Editura Universitatea Ioan Cuza, Iaşi, 2007. Tuca Ionel, Principalii dăunători ai răşinoaselor, Staţiunea experimentală Câmpulung Moldovenesc, 1996. Wilhelm H. Lucht, Die Kafer Mitteleruopas Katalog, 1987. |
| Read_full_article: | pdf/21-2011/21-4-2011/SU21-4-2011-Retevoi.pdf |
| Correspondence: | Retevoi Gheorghe Romeo, Department of Ecology, Faculty of Sciences, University of Pitesti, Arges, Romania, email: reteik@yahoo.com |
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| Article Title: | Aspects regarding the dinamics of pest populations to the coniferous forests of the upper basin of the Doamnei river |
| Authors: | Gheorghe Romeo Retevoi |
| Affiliation: | Faculty of Sciences, University of Pitesti, Arges, Romania |
| Abstract: | The research of harmful insects for pine forest was achieved in two distinct areas: the hilly area of the village Pietroşani (Argeş) and the mountain area Clăbucet during the years 2008 and 2009. Using various methods of study, in the mentioned areas, we identified the following species of insects: Ips typographus, Hilastes ater, Pytiogenes chalcographus, Hylurgops palliatus. Among these the first three had numeric explosion causing major damage to the forests. By processing the field data we determined: the intensity of the attack, the insect population density, the frequency of the attacked trees, the propagation coefficient, and the abundance. Knowing all these parameters it was possible to develop short-term forecasts useful in forestry. |
| Keywords: | Arges county, harmful insects, Ips typographus, Hilastes ater, Pytiogenes chalcographus, Hylurgops palliatus |
| References: | Bakke A., Saether T., Mass trapping of the spruce bark beetle Ips typographus, Norsk Inst. Skogforsk 38:1- 35, 1983. Dumouchel, L., Exeford Detabase Pest Report: Hilurgops paliatus, USDA Forest Service, 2004. Ioan Iancu, Îndrumarul pădurarului, Editura Pegasus, Bucureşti, 1999. Olimpia Marcu, Dieter Simon, Entomologie forestieră, Editura Ceres, Bucureşti, pp. 193 – 204, 1995. Regia naţională a pădurilor, Cartea pădurarului, Editura Muşatini, Suceava, pp. 300 – 305, 1997. Simionescu, A., Dăunătorii pădurilor, Editura Ceres, Bucureşti, 1971. Ştefan R. Zamfirescu, Oana Zamfirescu, Elemente de statistică aplicate în ecologie, Editura Universitatea Ioan Cuza, Iaşi, 2007. Tuca Ionel, Principalii dăunători ai răşinoaselor, Staţiunea experimentală Câmpulung Moldovenesc, 1996. Wilhelm H. Lucht, Die Kafer Mitteleruopas Katalog, 1987. |
| *Correspondence: | Retevoi Gheorghe Romeo, Department of Ecology, Faculty of Sciences, University of Pitesti, Arges, Romania, email: reteik@yahoo.com |
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