Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Plamen Mirchev"'
Publikováno v:
Silva Balcanica, Vol 25, Iss 3, Pp 5-19 (2024)
In 2022, a study was conducted with experimental material from the area of Marikostinovo village, covering various aspects of species bioecology. The stability or changes that have occurred in these bioecological parameters after a 28-31 year period
Externí odkaz:
https://doaj.org/article/e3941760a8f74b21af33381088897f6c
Autor:
Georgi Georgiev, Peter Boyadzhiev, Margarita Georgieva, Plamen Mirchev, Mihail Kechev, Sevdalin Belilov, Boriana Katinova
Publikováno v:
Silva Balcanica, Vol 25, Iss 2, Pp 31-36 (2024)
During the period 2019-2020, parasitoids of invasive oak lace bug (Corythucha arcuata) were studied in Bulgaria. Biological material (larvae of C. arcuata) was collected from European oak (Quercus robur) or Austrian oak (Quercus cerris) in five local
Externí odkaz:
https://doaj.org/article/ef570e822c594c7e8468f70aa55d45f2
Autor:
Margarita Georgieva, Ilia Gjonov, Veselin Ivanov, Sevdalin Belilov, Yonko Dodev, Lyubomira Georgieva, Plamen Mirchev, Georgi Georgiev
Publikováno v:
Historia naturalis bulgarica, Vol 46, Iss 1, Pp 11-19 (2024)
During the period 2020-2023, strong damage caused by singing cicadas (Hemiptera: Cicadidae) were registered on ash trees (Fraxinus spp.) in the field protective forest belts (FPFBs) in South Dobrudzha, northeastern Bulgaria. Bioacoustic studies have
Externí odkaz:
https://doaj.org/article/4cd9e18cf0f8466d8b03645959166b68
Autor:
Plamen Mirchev, Georgi Georgiev, Margarita Georgieva, Gergana Zaemdzhikova, Lilia Bocheva, Peter Boyadzhiev, Maria Dobreva, Maria Matova
Publikováno v:
Silva Balcanica, Vol 24, Iss 3, Pp 61-76 (2023)
The region of Gyumyurdzhinski Snezhnik in the Eastern Rhodopes is the closest in Bulgaria to the Aegean Sea. However, the climate is characterized by specific parameters that are determined by its relief. It is poorly protected from the invasion of c
Externí odkaz:
https://doaj.org/article/483061036842426f86745b42f285027e
Autor:
Margarita Georgieva, Georgi Georgiev, Plamen Mirchev, Eva Filipova, Maria Matova, Sevdalin Belilov, Svetozar Madzhov, Mihaela Hristova
Publikováno v:
Silva Balcanica, Vol 24, Iss 3, Pp 35-42 (2023)
In the period 2017-2023, a survey for the assessment of the phytosanitary condition of sweet chestnut (Castanea sativa) was conducted in a permanent sample plot (PSP) Belasitsa, which is part of the European large-scale network for monitoring the hea
Externí odkaz:
https://doaj.org/article/b32108e93adc41b8a77163f630984e65
Autor:
Georgi Georgiev, Margarita Georgieva, Plamen Mirchev, Sevdalin Belilov, Maria Matova, Veselin Ivanov, Radoslav Radev, Maria Kirilova
Publikováno v:
Silva Balcanica, Vol 24, Iss 2, Pp 5-12 (2023)
Biological control of gypsy moth (Lymantria dispar) was carried out in 2021 in the field protective forest belts at the territory of the State Hunting Enterprise Balchik by introducing the entomopathogenic fungus Entomophaga maimaiga (Entomophthorale
Externí odkaz:
https://doaj.org/article/ca5006f2cc204b9889e4fead5afb24a5
Publikováno v:
Historia naturalis bulgarica, Vol 45, Iss 6, Pp 163-168 (2023)
Macedonian pine (Pinus peuce) is a southern Balkan Peninsula endemic, growing in high mountains of Bulgaria, between 1400 and 2100 m a.s.l. Stands of P. peuce form the upper tree line forest areas. During a survey in 2020-2022 on Macedonian pine natu
Externí odkaz:
https://doaj.org/article/3a32dfb7ae434c56b51a92a45dc41f15
Autor:
Plamen Mirchev, Georgi Tsankov, Margarita Georgieva, Gergana Zaemdzhikova, Maria Matova, Georgi Georgiev
Publikováno v:
Silva Balcanica, Vol 24, Iss 1, Pp 23-34 (2023)
Studies on egg parasitoids of the pine processionary moth (Thaumetopoea pityocampa) were conducted during the period 1991-2018 in native localities of the pest on the Balkan Peninsula and in Asia Minor. In Bulgaria the biological material (2510 egg b
Externí odkaz:
https://doaj.org/article/fb5ec7fdb6844f1ba1b7754233d33800
Autor:
Georgi Georgiev, Margarita Georgieva, Plamen Mirchev, Sevdalin Belilov, Gergana Zaemdzhikova, Maria Matova
Publikováno v:
Silva Balcanica, Vol 24, Iss 1, Pp 17-22 (2023)
The pine processionary moth (Thaumetopoea pityocampa) was reported for the first time in North Bul-garia in 2022. Winter nests of the pest were observed in a number of pine plantations in more than 10 sites of four Forest State Enterprises (Troyan, S
Externí odkaz:
https://doaj.org/article/b1a80635841f4d02bca39c99ccc71eed
Autor:
Georgi Georgiev, Margarita Georgieva, Sevdalin Belilov, Plamen Mirchev, Stanko Deliyanchev, Velizar Mladenov, Kadir Kropov, Sirma Haydarova
Publikováno v:
Silva Balcanica, Vol 23, Iss 2, Pp 27-34 (2022)
Strong winds uprooted more than 100 thousand m3 of coniferous trees in natural forest stands nearby the town of Smolyan (the Western Rhodopes) in January 2018. Although damaged trees were quickly removed from the stands, the European spruce bark beet
Externí odkaz:
https://doaj.org/article/c89d0c80230b48d19fd82434b7a071c9